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| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 09-12-2025 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 16-12-2025 |
| 2 | 04-12-2025 | Corrigendum04 | Technical Bid | 09-12-2025 |
| 3 | 04-12-2025 | Corrigendum03 | Date | 09-12-2025 |
| 4 | 03-12-2025 | Corrigendum02 | Technical Bid | 06-12-2025 |
| 5 | 28-11-2025 | Corrigendum1 | Date | 06-12-2025 |
| Sl. No. | Item Description |
| 1 | (A) PROVISION OF ROOF TOP SOLAR POWER PLANT OF 1.5 MW AT AFS KANPUR UNDER GE (AF) E/M CHAKERI(W1) |
| 2 | Design, supply, installation, testing and commissioning of grid connected Roof topsolar photo voltaic power plant without battery for generation capacity of 1500 KWp including comprising of DCR Solar Photo Voltaic panels / Moduleswith antiglare coating , Inverters/PCUs, Module mounting structure, Net meter (as applicable) , Generation meter, Array Junction boxes, DC junction/ distribution boxes, AC junction/ distribution boxes, Solar grade DC copper cables, AC cables, Lightning arrestor, surge arrestor, Earthings, civil RCC/ PCC/ earth work, Ladders, including preliminary and pre-operative charges & ComprehensiveMaintenance charges for 02 years, other plant accessories complete including miscellaneous items required for satisfactory functioning of roof top solar power plant suitable to be installed atbuildings no. (a) Hanger No.3- 200 KWp ( Available area- 3000 sqm), (b) Hanger No.4 - 200 KWp (Available area- 3000 sqm), (c) Hanger No.5- 200 KWp ( Available area- 3000 sqm), (d) Hanger No.6- 200 KWp ( Available area- 3000 sqm), (e) Hanger No.7- 200 KWp ( Available area- 3000 sqm) and (f) Hanger No.8-200 KWp (Available area- 3000 sqm) (g) Hanger No.2- 200 KWp (Available area- 3000 sqm) (h)Hanger No.8 Annex- 100 KWp ( Available area- 2000 sqm) alongwith necessary civil and electrical works required for erection and commissioning of Solar PV plant in accordance with prevaling conditionsatAF Stn Chakeri, Kanpur(UP) with fixed type structure on tin shed andcomprising of following sub-components/sub-systems which shall meet the specifications as given here-in-after and in tender documents completeall as specified and as directed by Engineer-in-Charge:-A. SOLAR PV MODULESupply and Fixing mono-facial half cut mono-PERCDCR Solar Photovoltaic module shall be MNRE/GOI and ALMM approved having minimum 520 KWp capacity .The PV modules and Solar Cell used should be made in India having efficiency should be minimum 21% andminimum fill factor 75%, temperature co-efficient powershall be equal to or better than - 0.45%/°C.to be used. The rated power of the solar PV module shall have maximum tolerance up to +3%. and no negative tolerance. It shall perform satisfactorily in RH 85% with temperature up to - 40 degree centigrade to + 85 degree Centigrade and should withstand wind resistance on the surface of panel as per max wind |
| 3 | speed selected for design. The PV modules used must qualify to the latest edition of IEC standards or equivalent BIS standards, i.e., IEC 61215/IS14286, IEC 61853-Part I/IS 16170-Part I, IEC 61730 Part-1 & Part 2 and IEC 62804 (PID).For the PV modules to be used in a highly corrosive atmosphere throughout their lifetime, they must qualify to IEC 61701/IS 61701. The PV modules shall be equipped with IP 65 or better protection level junction box with required numbers of bypass diodes of appropriate rating and appropriately sized output powercable of symmetric length with MC4 or equivalentsolar connectors. PV modules shall be warranted for their output peak watt capacity. All PV modules should have a nominal power output more than 90% at STC during the first Ten years and more than 80% during next 15 years. Further, module shall have nominal power output of more than 97% during the first year of installation. PV Module shall also be in conformity to latest minimum technical specifications issued by MNRE & IREDA from time to time. DCR Modules should be of MNRE\"s ALMM & IREDA approved companies and as per latest IEC/IS standards. SPV Modules shall be essentially indigenously manufactured (Made in India) only for the Makes -Havells/ Adani/ Waaree/ Vikram Solar/ LuminousNote :(i) Selection of module power and number of modules shall be according to design based on the available shadow free roof top area & adequate walkway and final selection to be got approved from GE before commencement of work. Adequate number of module to be installed to obtain DC power ouput in KWp.(ii) Each module shall have RFID tag encapsulated/ laminated inside glass. Following information must be mentioned in RFID tag(a) Name of Manufacturer of SPV Module(b) Name of Manufacturer of Solar Cell(c) Month and year of Manufacturing (separately for solar cell and module)(d) Country of Origin for solar cell and module |
| 4 | (e) Peak wattage, Im, Vm, Vsc, Isc and fill factor of the module(f) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate(g) Unique serial no and model no of module(h) IV curve of module(j) Date and Year of obtaining IEC PV module qualification certificate(k) Name of test lab issuing IEC certificate(l) Other relevant information on traceability of solar cells and modules as per ISO 9001 and ISO 14001.B. MODULE MOUNTING STRUCTURE (MMS) at Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, KanpurDesign, supply/ procure, fixing, module mounting & support structure made of Hot rolled galvanized steelGrade : S390GD(EN 10346)) with min 80 micron thickness zinc coating/galvanization as per relevant IS code .The structure shall be mounting directly on sheet metal roof or penetrating the sheet metal and fixing to the sub structure. The structure shall be non-corrosive and tilted at an angle suitable to obtain peak output power at site fromthe available solar radiation. The frames consists of channels, purlin, plates, columns etc. including leg assemblies of array structure. Necessary RCC foundation (if applicable) and associated iron work cutting, drilling, welding, jointing, grouting, PCC/ RCC filling, disposing waste material, etc., complete and fixing mounting arrangement suitable for SPV modules so as it can withstand wind speed of 150 km per hour or as per IS-875 Part-3 (2015). The mounting structure is to be installed at sheet metal roof (as existing at site) and the array structure has to be so designed that maximum load is directly on roof structure to avoid any affect on life & strength of structure.It shall also occupy minimum space without sacrificing the output of SPV panels & adequate space between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, mounting structure including module mounting structure shall have to be adequately protected from the atmosphere and weather prevailing in the area. All the fasteners, nut, bolts shall be of Stainless Steel of grade SS 304 or hot dip galvanized and panel mounting clamps shall be of aluminium and must sustain the adverse climatic conditions. The minimum clearance of the lowest point of the structure from the tin shade should be more than 100mm.The module mounting structure shall be securely anchored to the roof structure. The base of the structure should be connected on the Purlin of the tin shed with the proper |
| 5 | riveting. All structure members should be of minimum 2 mm thickness. The contractor quoted rates shall be deemed to inclusive of all civil works for mounting structure and its foundation including roof treatment after grouting and civil works to prevent seepage and damage to roof structure. Contractor to submit structural design and drawings duly vetted by professor of IIT/NIT or by govt institute authorized by MNRE or NISE. Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts, and bolts .Adequate spacing shall be provided between two panel frames and rows of panels to facilitate personnel protection, ease of installation, replacement, cleaning of panels and electrical maintenance.Note: (i)The contractor shall submit structural design on Stad-Pro based or equivalent software on wind load 150 Kmph, live load and dead load of structure with solar panel & seismic zone, wind speed zone of Chakeri, Kanpur( UP). Any deflection to the mounting structure shall be as per IS 800:2007. Structural design of the mounting structure should be carried out by a consultant/ company approved by the GE. The height of Roof top MMS shall be as per latest MNRE & IREDA guidelines for ease in maintenance.(ii) The structure shall be designed to withstand operating environmental conditions for a period of minimum 25 years. (iii) Any damage done to water proofing/ Roof structure during installation shall be made good by the contractor at no extra cost. Water Leak Protection has to be ensured with Pure Epoxy Resin based chemical anchoring system, wherever damage to structure occurs.(iv) MMS steel shall be as per latest IS 2062: 2011 and galvanization of mounting structure shall be in compliance of IS 4759.(v) The PV array structure design shall be appropriate with a factor of safety 1.5 min or higher factor of safety.(vi)Two numbers of anti-theft fasteners of Stainless Steel on two diagonally opposite corners of each module shall be provided. C.POWER CONDITIONING UNIT(PCU)/SOLAR GRID TIEDSTRING INVERTER atHanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, KanpurDesign, supply, installation, testing and commissioning 3 phase PCU/ string inverters of matching capacity with total SPV wattage of appropriate capacity as per site/ design approved of suitable capacity as given 1500KWAC (nominal power), suitable to convert DC |
| 6 | power of installed Solar PV module/ array in to AC power output for planned building mentioned under Para(1), for further feeding to grid ,if required, confirming to IEC:61683/ IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2 (1,2,14 & 30)/IEC : 62093 (as applicable)/ equivalent BIS standard for efficiency, for safety and for reliability. The inverters shall consist ofdata loggers for monitoring of solar power generation and solar meters of suitable specification to be installed for complete/ utilization of solar power generated on grid with in the desired location only. The inverter should have MODBUS, PROFIBUS, ETHERNET common ports. PCU must have the feature to work in tandem with other similar PCUs and be able to be successively switched ON and OFF automatically based on solar radiation variations during the day. There should not be any clipping/ scalping losses due to incorrect DC/AC ratio cap selection of Inverter. The PCU/ inverter shall have an overloading capacity of minimum 10%.The output power factor of the inverter should be suitable for all voltage ranges or sink of reactive power, the inverter should have internal protection arrangement against any sustain fault in the feeder line and against the lightning on the feeder Monolithic design of inverter is not permitted.Make:- HAVELLS/SUNGROW/ GROWATT/ POLYCAB or equivalent make same as the make of PV Panels as approved by GE.General Features of Solar Grid tied Inverter:(a) Standby operation consumption (at night) : < 2 W(b) No load losses: Less than 1% of rated power(c) Allowable Relative Humidity rage : 0 ~ 100 %(d) Ambient temperature range : - 25 degree centigrade to 60 degree centigrade(e) Active power Adjustable range : 0 ~ 100 %(f) Topology : Transformerless(g) Integrated DC switch : Yes(h) Protection : The inverter should have provisions of Galvanic isolation, anti-islanding protection (IEEE 1547/UL 1741) equivalent IS, DC Reverse Polarity protection, Output overcurrent & output over voltage protection, ground fault monitoring, grid monitoring, AC and DC short circuit current and over current, AC and DC over voltage and over temperature protection., AC & DC Surge protection, prevent lightning damage etc. |
| 7 | (j) Ingress Protection : IP 65 or better (k) Remote Monitoring: Wifi/ GPRS/ RS 485 as necessitated by site conditions & directed by GE. Web based monitoring with historical data storage for analysis(l) Display: LED Warranty : 5 years Min(n) The inverter shall adjust voltage and frequency levels to suit the grid.(o) The inverter shall be self-cumulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronize maximum within one minute or less time.(p) Maximum Power Point Tracker (MPPT) shall be integrated in the inverter/ PCU to maximize energy drawn from the array. Charge controller (if any)/ MPPT units environmental testing should qualify IEC 60068-2 (1,2,14,30)/ Equivalent BIS standard.(q) The inverter shall have suitable Nos of protected inputs (as per design) and outgoing shall be protected by ACB/MCCB.(r ) All inverters/PCUs shall be IEC 61000 compliant for electromagnetic compatibility, harmonics, Surge, etc.(s) The inverter shall include appropriate self protection and self diagnostic feature to protect itself and the PV array from the damage in the event of inverter component failure or any deviation of parameters beyond the inverters safe operating range due to internal and/ or external causes. Inverter shall have protection arrangement against ground leakage faults, over voltage, (SPD) & over current. Inverter shall have arrangement for adjustment for adjusting DC input current and shall trip against sustainable fault down stream and shall not restart till fault is rectified.(t) Typical technical features of the inverter shall be as follows:- i). Switching devices: IGBT/MOSFET |
| 8 | ii). Control: Microprocessor/DSP iii). Nominal AC output voltage and frequency: as per CEA/State regulationsiv). Output frequency: 50 Hz v. Grid Frequency Synchronization range: as per CEA/State Regulations vi). Ambient temperature considered: -20°C to 60°C vii). Humidity: 95 % Non-condensing viii). Protection of Enclosure: IP-54 (Minimum) for indoor and IP-65(Minimum) for outdoor. ix). Grid Frequency Tolerance range: as per CEA/State regulations x). Grid Voltage tolerance: as per CEA/State Regulations xi). No-load losses: Less than 1% of rated power xii). Inverter efficiency (Min.): >93% (In case of 10 kW or above with in-built galvanic isolation) >97% (In case of 10 kW or above without inbuilt galvanic isolation) xiii). THD: < 3% xv. PF: > 0.9 (lag or lead) xiv). Should not inject DC power more than 0.5% of full rated output at the interconnection point and comply with IEEE 519.(u) Invertor should provide remote monitoring system for accessing following parameters viz grid voltage and frequency, DC voltage and power from solar panels, inverter output power, and the total energy produced (Daily, Monthly, quarterly , Half Annually and Yearly). Additionally, parameters like load power (consumption), and system status (e.g., \"run\" or fault codes) etc. Web based or app based system to display these parameter with cyber security encryption for remote monitoring of theses parameter to be be provided by OEM.The input DC & output AC technical specification of Inverter are as under :-.Input(DC)(a) Max input Voltage : 1100 V(b) Rated Input Voltage : 600 V(c) Start-up input voltage : 200 V(d) Operating input DC voltage range : 300 - 950 V(e) No of independent MPPT : Must be suitable to accommodate installed DC SPV array & their cap. Min 2 to 10 (as per approved design based on No of array strings)(f) MPPT operating voltage range : 180 - 960 V(g) Max input DC Current : As per approved array string design |
| 9 | (h) Maximum input short circuit current : As technically required & suitable as per approved array string design(j) No of Protected DC inputs/ strings : 6 to 20 (as per approved design based on No of array strings)Output (AC)(a) AC grid connection type: 3/N/PE(b) Rated Power at unity PF: Suitable for SPV DC cap installed at building.(c) Max AC output power : 110% of rated power(d) Max AC output Apparent power : As per Inverter rated output(e) Max AC output Current : As per Inverter rated output(f) Max AC fault current : As per Inverter rated output(g) Nominal Output Voltage : 415 V(h) Grid Output voltage range : According to SEB standard(j) Rated Grid Frequency : 50 Hz(k) Output Frequency : 50 Hz ± 3Hz(l) Power factor : > 0.9 (Lag or lead)(m) Thermal Harmonic Distortion i (THDi) : < 3%(n) MPPT Efficiency : > 99%(o) EU efficiency : 97.5%(p) No of Protected DC inputs All the Inverters should contain the following clear and indelible Marking Label Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with: (i) The name or trademark of the manufacturer or supplier.(ii) A model number, name, or other means to identify the equipment, (iii) A serial number, code or other marking allowing identification of manufacturing location and |
| 10 | the manufacturing batch or date within a twelve-month time. (iv) Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current foreach input.(v) Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current and for a.c. outputs, either the power or power factor for each output. (vi) The Ingress Protection (IP) rating D. DC DISTRIBUTION / ARRAY JUNCTION BOXES at Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, KanpurSupply and Fixing DC junction boxes of suitable capacity, rating & Nos (as per design approved)/ OEM recommendations having suitably rated inputs and output terminals having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plastic with IP 65 protection or better standard in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and suitable arrangement for earthing connections as per relevant standard. Make:MNRE/GOI approved.(e)The incomming and outgoing cables from box, panel shall be properly sealed through proper glands.(f) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V or system voltage as approved designed with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard. E. AC DB PANEL at Hanger No. 2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur - 08 Nos”.AC Disconnect switch (MCCBs) shall be of matching capacity as per inverter rating. Make:- Schneider/Siemens/ABB/L&T/Havells or equivalent as approved by GE for each location. ACDB Panel of suitable rating (Inverter AC capacity) shall be provided for interconnection of Solar Power Plant with proposed LT Panels near existing transformer and further connected to grid. Each ACDB shall be made of CRCA sheetof appropriate 2 mm thick duly Powder Coated as per colour approved by the GE. It shall bedust, water & vermin proof arrangement with IP 56 protection . |
| 11 | Make:-Schneider/Siemens/ABB/L&T/Havellsor equivalent as approved by GE. Each ACDB shall comprise of following:(i) 3 Phase 4 wire Aluminum Bus Bars shall be the 1.5 times of the incoming MCCB rating(ii) Intelligent Panel meter to measure voltage, current, frequency, power factoretc with all connected CTs of each breakers(iii) 4 P MCCB 415 V,36 kA (ICS=ICU=ICW for 1 Sec) of suitable rating matching with inverter AC output, withadjustable thermal and magnetic releasetype for overload protection and short circuit protection 02 Nos as incomer and outgoing(iv) LED Indicating Lamps for each phase with colour code Red Yellow Blue for R, Y and B Phases for each breakersNote : Each ACDB shall be made of CRCA sheetof appropriate thickness duly Powder Coated as per colour approved by the GE.dust, water & vermin proof arrangement with IP 56 protection with transparent covers.Make:- Havells or equivalent as approved by GE. F. DC CABLE AND AC CABLE at at Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, KanpurThe contractor shall submit design calculations to deptt for selection of suitable size DC cables and AC cables to ensure voltage drop less than 2 %. The electric cables for DC system for rated voltage of 1500V. Cables shall have operating range of -10 degree centigrade to + 80 degree centigrade. DC side cables shall be EBXL XLPO ZH-FRLS type having multistranded, annealed tinned high conductivity copper conductor 1.5 kV rated. The min size of DC cable shall not be less 6 Sqmm and shall confirm to IEC 62930/ or equivaent IEC/ IS standard for solar cables/ cables for roof top solar photo voltaic system. The AC cables (Inverter to ACDB) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, copper conductor of suitable size, (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses. Further, AC cables (ACDB to LT panel) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, Aluminium conductor of suitable size (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses and shall be as under :-(a) All cables and connectors for use of installation shall be of Solar grade which can withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years min and voltage as per latest IEC/ IS.(b) All the cables / wires shall be provided with UV resistant printed ferrules for DC side. |
| 12 | (c) The size of the DC cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 2%.(d) Cable batch No, IEC/IS code/ applicable standard and size and make shall be metioned on every one meter or as per OEM practice/ IS standard.(e) AC Cable of suitable rating, size and type from output of solar inverter to nearest LT panel deemed to be included in quoted rates. The contractor shall submit design with voltage drop calculations and take approval from deptt before start of work.4 Core XLPE Alcable of suitable size, max Current capacity to cable shall be 150% of actual current to be carried ( inveter to ACDB),1.1 KV grade, vd<3(f) The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size.(g) The cost of interconnecting DC Copper/ Aluminium cable/ wires( as mentioned above) suitable GI cable trays, Rigid PVC/ GI pipes, ties and earth work for trenches, suitable to accommodate Solar grade cables from SPV module upto inverters and inverters to AC supply panel are deemed to be included in the quoted rates(h) The DC cables shall be provided with superior quality MC 4 connectors, Y connectors to ensure long life and ferrules for ease in fault tracing.Make of DC cable : Havells/Siechem/Polycab/KEIMake of AC cable : Havells/Finolex/Polycab/KEIG. EARTHING PROTECTION each at Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur - 16 NosThe contractor shall provide suitable Nos of Earthings for protection of DCelectric supply system board and module mounting structure separately as per approved design. Earthing for Inverters, AC distribution board, lightning protection shall also be provided for safety and deemed to be included in quoted rates for all locations. The specs of Earthing shall be as under:- |
| 13 | Supply, installation, testing of02 Nos of maintenance free safe chemical earthing system 02 nos earthing at each hangers i.e total 16 Nos earthing system complete with 01 Number UL 467 approved/ CPRI tested copper bonded (earth rod with 250 microns of copper cladding) earth rod 17.2mm dia 3000mm long electrode buried in ground to bore holes 120mm dia, vertically to a depth not less than 3.50 mtr deep below ground level with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of GI bus bar of size 200mm x 25mm x 6mm for inter connection with GI earth lead strip 25mm x 4mm/ GI lead and further connected to test point terminal block all as directed. Each earth pit shall include minimum 50 Kg (two bags of 25 Kg each) NABL labcertified Ground Enhancement material/ back fill compound and 6 Kg (tow container of 3 Kg each) NABL lab certified conductive gel (LOHM-EG-03) compound (if reqd) or equivalent for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three parts of mother soil), so as to achieve earth resistance below 3 Ohm including excavation of polypit chamber with polyplastic pit cover, GI lead / GI strip of reqd size within overall quoted rates) complete all as specified and directed by Engineer-in-Charge. Any extra material reqd at site to achieve the result within specified limits, shall be deemed to be included in quoted rates.Earthing Circuit has to be connected/completed as under:1. Main Earthing Circuit/Grid has to be connected with 50X6 mm GI Earth strip of required Length2. Earthing Strip from Earthing Grid to Final Earthing with Equipment/Solar PV Array to be connected with25X 4mm GI Earth Strip as required at site.H. LIGHTINING PROTECTION FOR SPV ARRAY SYSTEM eachatHanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur- 08 NosDesign, supply, installation, testing & commissioning of lighting arrestor/ protection system confirming to IS/ IEC-62305 (Part 1 - 4) for roofs at location as planned for above mentioned building numbers at Para(1). The air termination rod/ equipment shall be fixed at the top of GI elevation pole with base so as to be at least two meter above or suitable height as designed from the structure to be protected. Its height above roof level shall be depend upon the level of protection and protection radii required.Earthing conductor GIpipe terminal adaptor havinginner dia 60mm OD.Air termination rod shall be solid copper bonded single spike min dia of 15 mm. Each lightening arrester shall be provided with 02 no of earthing pit with separate chemical earthig or more as per manufacturers specifications.(02 Nos Earthing + 01 Air Termination Rod) |
| 14 | MAKE:- OBO/JMV/JEF Techno/Indelec/EricoNotes :(a) The cost of all equipments, GI/Al/ copper strip (as per approved design) upto earth test point and from test point to earthing, LA, etc., shall be deemed to be included in the quoted rates.(b) The cost of sufficient Nos of earthing as per design for lightning protection to be provided is deemed to be included in quoted rates as directed by Engr-in-charge and no extra payement shall be made to the contractor on this account.J. INSTALLATION KIT AND ACCESSORIES Cable trays, Lugs, Routing accessories, cables, conduits etc. - 08 LotK. EARTHING CABLE : Copper PVC Flexible cable 1.1 KV 16 Sqmm , green earthing cable of requisite quantity as per site requirement ( For Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur -08 Nos)L. BALANCE OF SYSTEM (BOS) ITEMS/ COMPONENTS :- The BOS items/ components of the SPV power plants/ systems deployed under this project shall conform to the latest edition of IEC or equivalent BIS Standards/ latest MNRE specifications as on last date of quoting of tender. Any suitable item reqd for satisafactory functioning shall be provided within quoted rates.M. POWER EVACUATION: atHanger No.1,2,3,4,5 & 6 AFS Chakeri, Kanpur - 08 NosThe Contractor will be responsible for obtaining all permissions as per the procedure of UPPCL,KESCO,UPNERDA and Electricity Regulatory Commission of Uttar Pradesh for evacuation of Power of ON GRID solar system. The cost of the same is to be included in the quoted rates. No additional payment shall be made to the contractor for the same. The contracor must go through latest solar policy of the MEDA/ SEBs, Procedures for evacuation of Power of ON GRID. Charges (as applicable) to be payable to any Department/ SEBs for any ON GRID power evacuation shall be borne by the contractor within overall quoted rates. |
| 15 | N. IRON LADDER atHanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpurr - 08 NosFabricate and install for each separate roof a access Iron ladder -01 Nos minimum which shall be rust proof fixed access ladder complete with safety cages, intermediate rest platforms, top-landing platforms and fall-arrest rails to enable safe access to rooftop solar PV arrays. For design criteria , material, dimensions and other technical details refer Particular specification. Any other items of Civil / Electrical nature work required for the200 KWp - 07 Nos and 100KWp -01 Nos PV plant at different locations shall be included in quoted rate.P. HAND RAIL/ RAILING atHanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur - 07 Nos ( Hanger 8 annexe being flat roof)Design, supply, install, test and commissiona permanent stainless-steel flexible horizontal lifeline (HLL) system around the Solar PV Arrays, complete with anchorage posts and intermediate pass through brackets, energy absorbers, connectors and certified full-body harnesses, to safeguard maintenance personnel accessing photovoltaic installations on all sloped metal roofs at each location. Total length for each building shall be decided by the contractor post approval from GE. For more details refer Particular specification.General Notes:(i) Plants installed in high dust geographies/areas must have the solar modules tested with relevant dust standards (Applicable standard would be IEC 60068-2-68).(ii) Each structure should have angle of inclination as per the site conditions to generate maximum power.(iii) Any damage to the existing roof treatment of any type duringthe Installation of Solar Power System shall be Re-done/made good as per existing treatment. Cost of the same shall be deemed to be included in the unit rate quoted. Nothing extra shall be admissible on this account.(iv) Design of Solar Power Plant and structure design suitable for 150 km/hr or as per IS -875 Part-3(2015), whichever is more wind speed shall be approved by NISE/IIT.The complete design and installation and layout of solar roof system be carried out in consonance with MNRE latest guidelines for roof top solar phase and preliminary solar panel direction layout, structure design with Stad pro/ equivalent software and single line diagram be ratified by MNRE empanelled charted Engr/ firm/ consultant.(iv)The contractor shall also submitt design and calculations for structural and foundation design of the module mounting structure duly considering the wind speed as 150 km/hr or as per IS -875 Part-3(2015), whichever is more and vetted from IIT/NIT or any other Govt institution for approval of GE. The cost of design and all other works shall be deemed included in the quoted rate of the item. |
| 16 | (v)The contractor must visit the site before quoting the rates to assess the site conditions so as to decide up on location and layout of SPV, placement of inverter as per buildings, length of DC cables, AC cables, lightning arresters, earthing, mounting structure etc,complete.(vi)The contractor shall submit complete scheme including electrical diagram of the work, schematic diagram, SPV module layout, location/ placement of LAs, Civil work, etc., complete as per MNRE/ IREDA latest guidelines as applicable, relevant IEC/IS norms to the GE for approval within one month of date of commencement of the work for approval(vii) The dimensioned drawing of the site of work clearly marked with all sub systems components etc shall be submitted to GE for approval. which shall be self contained and self explanatory representation of layout of equipment and sub systems.(viii) Schematic diagram of the electrical system. This shall contain specification, size, current, voltage and fault levels rating of all cables, switch gears and instrumentation & control systems and all metering and interlocking etc. All the documents/technical details mentioned above duly vetted as specified above shall be approved by GE. GE may approve the documents as submitted by the Contractor or may suggest modification/alteration in documents/technical specifications duly supported with reasons for the same. The work shall be executed based on the approved documents.(ix) The above items shall be quoted and executed on ground based on performace Guarantee basis. The performance Guarantee is related to achieving the 1500 KW generation on AC side within specified efficiency and efficacies. The contractor shall also be responsible for desired operational efficacy and desired efficiency of the system during its life cycle of minimum 25 yrs.(x) Quoted rate shall be inclusive of cost of smooth and efficient functioning of solar plant with comprehensive AMCwithin DLPfor Period of 02 years from the date ofcompletion of work rendering onsite replacement of defective parts for seamless generation.Solar Engineers shall visit the site and service the system once in month and carried out breakdown maintenance like repairing, replacing faultycomponents, wires etc free of cost. The maintenance service provided by contractor |
| 17 | shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. Penalty for achieving less CUF than the annually contracted target wiil be levied on a year-by-year basis. The shortfall in units (calculated based on that year’s specified CUF) will be charged at the prevailing import rate, subject to a maximum penalty of 10% of total units to be generated as per that year’s CUF. During the defect liability period of 24 Calender Months from the date of completion, the contractor shall deploy a suitable trade man/ technician in consultation & prior approval of GE, for routine maintenance of both the plant as recommended by the manufacturer and for checking functionality of various instruments/ infrastructureprovided under the contract on weekly basis, and to take corrective action (if required any), to ensure continuous generation of solar power to achieve expected output.Trade man/ technician so deployed by contractor shall submit his report to GE on format as decided by GE. contractor shall ensure proper saftey norms to be followed by the workers during maintanence work Contractor shall also ensure cleaning of Solar PV Modules Periodically as per pre-planned schedule,Checking electrical parameter of the installed power plant, any other job other than above indicated jobs shall be covered under warranty ofSolar plant installed and Keeping the area neat and clean free from vegetations growth.If during the defect liability period any part/equipment of the solar plant gets damaged orstops functioning, then the same shall be rectified immediately by contractor free of cost ensuring non-stop and smooth functioning of solar plant.(xi) In case non reporting of trade man/ technician on schedule day as decided by GE, a pro-rate (considering 8 hrs of working) recovery shall be double as per the previling govt market rates per day per instance shall be recovered from the performance guarantee/ dues.A proper record of weekly attendances & reports submitted and action taken by trade man/ technician so detailed shall be maintained by the Engr-in-Charge. The rates quoted by the tenderer (s) against item of Sch ‘A’/BOQ shall be deemed to include for above provisions.(xii) Capacity Utilization Factor (CUF) for a solar power plant should be minimum 17% with a degradation at the rate of 0.75% per year. |
| 18 | (xiii)The Contractor Shall also be responsible forrenewal/replacement of parts fittings/fixtures filling of Solar modules, inverter, mounting structure etc during the defect liability period.Maintenance of log sheet and all maintenance record shall be responsibility of contractor and stationary shall be provided by the Contractor. Format of log sheet and maintenance records etc shall be decided by GE/Engr-In-Charge. Solar Panel water servicing, panel Cleaning, Area cleaning surround the plant room etc shall be the responsibility of contractor.(xiv) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost.(xv) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate.(xvi)After successful installation contractor should provide final drawing of electrical wiring, test certficates, warranty certificates, manuals to the Engr-in-Charge.(xvii) Supply and Installation of Display board of 6’ X 4’size made of MS 40mm x 40mm square pipe and flexes showing all technical information of SPV plant shall at each location for Hanger No.1,2,3,4,5 & 6 AFS Chakeri, Kanpur - 08 Nos be done by the contractor within overall quoted rates.The matter written on the boards shall be finalized with GE.(xviii) After execution of project the contractor will verify generation of electricity as per vetted design and report shall be submitted to deptt during defect liability period.(xix) The quoted rate include the cost of any items which is not specifically mentioned above, but required for satisfactory functioning of the roof top solar power plant. The same shall be provided within overall quoted rates. Nothing extra shal be payable to contractor on this account or any higher specs provided by contractor.In case, capacity as mentioned above of solar roof top for any location changes due to any reason, no claim of contractor shall be entertained on this account.(xx) Training : On successful commissioning of the plant, training shall be provided on plant operation and maintenance to a team (Engineers/ technicians/ operators) as nominated by department for minimum fifteen days.Q.EXPORT DEVICE ANDSYNCHRONIZER :at Hanger No.2,3,4,5,6,7,8 & Hanger No.8 Annexe AFS Chakeri, Kanpur -08 NosZero export device shall be included in the solar circuit and DG synchronizer for existing DG set in the system shall be provided and installed at all locations. |
| 19 | R. FIBRE-REINFORCED PLASTIC (FRP) / FIBRE-COATED ROOF WALKWAY SYSTEM at Hanger No.2,3,4,5,6,7& 8 AFS Chakeri, Kanpur -07 Nos ( Hanger 8 annexe being flat roof)Supply, install, test and commission non-corrosive, anti-slip FRP roof-top walkway system, panel type Moulded FRP grating 38 × 38 mm mesh, 38 mm thick to facilitate safe movement of maintenance personnel on sloped metal hangar roofs housing photovoltaic (PV) arrays at each location. Total length for each building shall be decided by the contractor post approval from GE. For more details refer Particular specification. |
| 20 | Supply,laying,jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 300 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 21 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated, screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 500 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 22 | Material and labour for rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) triple layer hoisted and fixed in position all as specified in SSR Part I of cap 1000 Ltrs complete with suitable PCC/ RCC foundation and civil work reqd at site, complete, all as specified and as directed. |
| 23 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 25 mm (1”) bore, complete, all as specified and as directed. |
| 24 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 20 mm (3/4”) bore, complete, all as specified and as directed. |
| 25 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 20mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 26 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 25 mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 27 | Supply & Fixing 2 pole openwell submersible pump setsuitable for 50 Hz, single phase A.C. Power supply voltage range 160 to 260 volts, 24.0 meter head , 1.70 litre per seconds discharge , IP 68,cast iron casing, cast iron impeller, motor and shaft stainless steel and power rating 1.1KW/1.5HP or as per manufacturer recommendation complete with copper wireand DOL starter of suitable capacity as per matching capacity of motor including necessary connections to distribution board, complete, all as specified and directed |
| 28 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting it out in soft/loose soil including forming bottom surface to required level for laying of cables/pipes/poles complete, all as specified and as directed. |
| 29 | Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm deep as in soil complete, all as specified and as directed. |
| 30 | Material and labour for sand cushioning to underground cable with dry sand locally available 8cm thick before laying of the cable and 15cm thick after laying and strectching the cable below the bricks/PCC cover, punning of sand using suitable T&P as per site condition, complete, all as specified and as directed.Note : Punned thickness of sand to be consider for measurement purpose. |
| 31 | Supply and laying un-reinforced pre cast concrete cable coverconfirming to IS:5820 with minimum average breaking load capacity 200 kgs for unreinforced covers , class LV Type 1, flat, size 250mm x 150mm x 40mm complete, all as specified and as directed. |
| 32 | Material and labour for removing the excavated material n.exc 50M to a distance and depositing where directed at a level n.exc 1.5 M above the starting point complete all as specified and as directed. |
| 33 | Material and labour for cutting existing steel tubing 40/50 mm bore for alteration and addition and screwing existing steel tubing for alteration and additions in postion and insertion of suitable new Tee for taking new connection complete including threading screwing complete all as specified and directed. |
| 34 | Supply, installation, testing and commissioning of LT panel outdoor type floor mounted ( LT Panel 1, Location :Near 11B Sub Station 1 MVA transformer) cubical typedesign verified confirming of IS/IEC 61439- 1 & 2, CPRI approval, totally enclosed vermin proof suitably ventilated, factory built, modular, sectionalized, compartmentalized, fully interlocked electrically and mechanically, extendable type suitable for operationon 3 phase, 4 wire 433/415 Volts, 50Hz, AC supply. The outer shell shall be fabricated out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame and compartmentalized inner shell shall be fabricated of out of 2.0 mm thick CRCA sheet for control gear. Front and back door operating with locking arrangement at front . The panel shall havevibration free structurewith Protection of enclosure IP 65 as per IS-2147 of 1962with pre-treatment through 7 tank hot chemical process prior to powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachablegland plates shall be fabricated out of 3.0mm thick CRCA sheet having provision for entry of armoured cable of adequate size complete with stiffeners wherever required. The bottom base channel of section not less than 150mmX 100mmX 5 mm thick, fabrication shall be done in transportable sections. The entire panel shall have a common earth bar of required size at the rear with 2 Nos. earth stud, connections and interconnection with solid conductor wires / copper strips, neutral links, control wiring with 1.5 sqmm. & 2.5sqmm.The panel shall be provided with manufacturer name plate, heavy duty SS cable glands of adequate size for incoming and outgoing cables. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bones and skull to be provided. EPDM gasket of appropriate shape and size provided at all joints, door and covers including suitable size angle iron/flat iron frame work/support required with four legs 60cm long using angle iron 75x75x6mm or suitable size duly painted with anti corrosive paint, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs, 4 x legs grouted in PCC 1:2:4 and making good disturbed surface completeincluding providing and fixing following switch gears and as per schedulesand technical specifications etc. The panel shall be designedfor suitable for electric load completeas required and comprising of the following:- |
| 35 | (A). INCOMER from Hanger No.5,6,7,8and H8 Annex(i) MCCB 400 Amp 4 pole, 36 KA, lcs =100% lcu, microprocessor release ,confirming to IS:13947(Part-3) 1993 andIS/IEC:60947(Part-2) Adjustable Overload, Short-circuit, Ground fault (4 Pole) & Fixed Instantaneous Netural Protection (4 Pole), with Adjustable Thermal release 0.6 to 1.0 In and Adjustable magnetic release with (3.5 to 10.0 In) complete with phase separator complete with phase separator - 04 Nos( from Hanger No.5,6,7and 8)(ii) MCCB 200 Amp 4 pole, 36 KA, lcs =100% lcu, confirming to IS:13947(Part-3) 1993 andIS/IEC:60947 (Part-2)Adjustable Overload, Short-circuit, Ground fault (4 Pole) & Fixed Instantaneous Netural Protection (4 Pole) with Adjustable Thermal release 0.6 to 1.0 In and Adjustable magnetic release with (3.5 to 10.0 In) complete with phase separator - 01 Nos( from Hanger 8 Annexe)(iii) 1 No., 230V, AC operated integral type Digital multi function meter with RS-485 port for measuring Amps ,Voltage, Energy, kWH, kVAH, frequency, Maximum Demand & power factor etc with TOD facility conforming to specifications, latest IEC/ EMC and EMI standards/criterion, with necessary Circuit MCBs and suitable size summating CTs forincomer metering supporting SCADA/BMS connectivity.(iv)1- set Red/Green ON/OFF indicating lamps (v)1- set of three phase (red, yellow, blue) indicating lamps (vi) Amber healthy trip indicating lamps(vii)3 nos. cast resin current transformers of suitable ratio withVA Burden &protection and Class 1.0 for measurement or CTs of suitable capacity as per panel designer.(viii) RS-485 port for display of ON/OFF status, current and energy parameters etc. of ACB on BMS workstation through MODBUS protocol (ix) Terminals to receive alum. XLPE armoured cables.(x)MCB SP 6A \"C\" series for control ckt protection= 03Nos |
| 36 | (B).BUSBAR(i) TPN + EAluminium electrolytic grade high conductivity bus bar of rating not less than the 1.5 times the rated capacity of total incomer MCCB/ACBshall be insulated with colour coded heat shrinkable sleeves and mountedon suitable size F class insulators made of non hygroscopic , non combustible, track resistant, high strength FRP/MC/DMC material at an interval not more than 500mm through out the length of busbar along with extension and interconnected busbar. The extension link shall not be less than 300mm long supported on suitable size F class insulatorsfor termination of incoming and outgoing cables. All control wires shall be with 2.5sqmm FRLS multi strandedcopper conductor and shall be properly bunched , tied, ferruled for proper identification and crimped with adequate size of lugs.(C). OUTGOING(i)ACB 1600 A, 3P, 415V, 50kA , lcs =100% lcu confirm to IEC/IS – 60947-2, with microprocessor based adjustable overload 50-100%, adjustable short circuit in range of 400% to 100% of ACB rating complete with ON/OFF indication and earth fault protection have adjustable current setting of 20% to 100% of rated capacity complete withintegral LCD Display of load current and individual loading of all the three phases including closing and trip coils (Shunt release + Under voltage release) and protection against , over current, short circuit, over voltage and earth fault. ACB shall be electronic draw out type modular in construction confirming to IEC947/IS:13947(part 2) ,VDE 0660 Part 101,IEC 68 Part 2-30(Climate proof).The ACB release shallbe self powered with true RMS sensing. The ACB shall be with 230 V AC shunt trip coil and 230 V, AC Motor wound spring closing mechanism. Specific LED indications should be provided for short circuit, over current and earth fault operation for faster fault diagnosis - 02 nos(1W+1S)(ii) MCB SPN C series 16Amp/32Amp ,10KA -02 Nos(iii) Auto/Manual selector switch -01 nos (iv) 1 sets (2 no.) of AC operated, 3.5 Digit, independent Digital Ammeter, Digital Volt meter with necessary Circuit MCBs and with suitable size CTs connections as required foreach outgoing feeders. |
| 37 | Supply, installation, testing and commissioning of LT panel outdoor type floor mounted ( LT Panel 2, Location : H4 Sub Stn Near 400 KVA transformer) cubical typedesign verified confirming of IS/IEC 61439- 1 & 2, CPRI approval, totally enclosed vermin proof suitably ventilated, factory built, modular, sectionalized, compartmentalized, fully interlocked electrically and mechanically, extendable type suitable for operationon 3 phase, 4 wire 433/415 Volts, 50Hz, AC supply. The outer shell shall be fabricated out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame and compartmentalized inner shell shall be fabricated of out of 2.0 mm thick CRCA sheet for control gear. Front and back door operating with locking arrangement at front . The panel shall have vibration free structure with Protection of enclosure IP 65 as per IS-2147 of 1962 with pre-treatment through 7 tank hot chemical process prior to powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachable gland plates shall be fabricated out of 3.0mm thickCRCA sheet having provision for entry of armoured cable of adequate size complete with stiffeners wherever required. The bottom base channel of section not less than 150mmX 100mmX 5 mm thick, fabrication shall be done in transportable sections. The entire panel shall have a common earth bar of required size at the rear with 2 Nos. earth stud, connections and interconnection with solid conductor wires / copper strips, neutral links, control wiring with 1.5 Sqmm. & 2.5sqmm. The panel shall be provided with manufacturer name plate, heavy duty SS cable glands of adequate size for incoming and outgoing cables. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bones and skull to be provided. EPDM gasket of appropriate shape and size provided at all joints, door and covers including suitable size angle iron/flat iron frame work/support required with four legs 60cm long using angle iron 75x75x6mm or suitable size duly painted with anti corrosive paint, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs, 4 x legs grouted in PCC 1:2:4 and making good disturbed surface completeincluding providing and fixing following switch gears and as per schedulesand technical specifications etc. The panel shall be designed for suitable for electric load complete as required and comprising of the following:- |
| 38 | (A). INCOMER from Hanger No.4(i) MCCB 400 Amp 4 pole, 36 KA, lcs =100% lcu, microprocessor release ,confirming to IS:13947(Part-3) 1993 andIS/IEC:60947(Part-2) Adjustable Overload, Short-circuit, Ground fault (4 Pole) & Fixed Instantaneous Netural Protection (4 Pole), with Adjustable Thermal release 0.6 to 1.0 In and Adjustable magnetic release with (3.5 to 10.0 In) complete with phase separator complete with phase separator - 01 Nos( from Hanger No.4)(ii) 1 No., 230V, AC operated integral type Digital multi function meter with RS-485 port for measuring Amps ,Voltage, Energy, kWH, kVAH, frequency, Maximum Demand & power factor etc with TOD facility conforming to specifications, latest IEC/ EMC and EMI standards/criterion, with necessary Circuit MCBs and suitable size summating CTs forincomer metering supporting SCADA/BMS connectivity.(iii)1- set Red/Green ON/OFF indicating lamps (iv)1- set of three phase (red, yellow, blue) indicating lamps (v) Amber healthy trip indicating lamps(vi)3 nos. cast resin current transformers of suitable ratio withVA Burden &protection and Class 1.0 for measurement or CTs of suitable capacity as per panel designer.(vii) Terminals to receive alum. XLPE armoured cables.(viii)MCB SP 6A \"C\" series for control ckt protection= 03Nos(B).BUSBAR(i) TPN + EAluminium electrolytic grade high conductivity bus bar of rating not less than the 1.5 times the rated capacity of total incomer MCCB/ACBshall be insulated with colour coded heat shrinkable sleeves and mountedon suitable size F class insulators made of non hygroscopic , non combustible, track resistant, high strength FRP/MC/DMC material at an interval not more than 500mm through out the length of busbar along with extension and interconnected busbar. The extension link shall not be less than 300mm long supported on suitable size F class insulatorsfor termination of incoming and outgoing cables. All control wires shall be with 2.5sqmm FRLS multi strandedcopper conductor and shall be properly bunched , tied, ferruled for proper identification and crimped with adequate size of lugs. |
| 39 | (C). OUTGOING(i)MCCB 400 Amp 4 pole, 36 KA, lcs =100% lcu, microprocessor release ,confirming to IS:13947(Part-3) 1993 andIS/IEC:60947(Part-2) Adjustable Overload, Short-circuit, Ground fault (4 Pole) & Fixed Instantaneous Netural Protection (4 Pole), with Adjustable Thermal release 0.6 to 1.0 In and Adjustable magnetic release with (3.5 to 10.0 In) complete with phase separator complete with phase separator - 02 Nos( 1W +1 S)(ii)MCB SPN C series 16Amp/32Amp ,10KA -2 Nos(iii) Auto/Manual selector switch -01 nos (iv) 1 sets (2 no.) of AC operated, 3.5 Digit, independent Digital Ammeter, Digital Volt meter with necessary Circuit MCBs and with suitable size CTs connections as required foreach outgoing feeders. |
| 40 | Supply, installation, testing and commissioning of LT panel outdoor type floor mounted ( LT Panel 3, Location : Near 400 KVA outdoor transformer) cubical typedesign verified confirming of IS/IEC 61439- 1 & 2, CPRI approval, totally enclosed vermin proof suitably ventilated, factory built, modular, sectionalized, compartmentalized, fully interlocked electrically and mechanically, extendable type suitable for operationon 3 phase, 4 wire 433/415 Volts, 50Hz, AC supply. The outer shell shall be fabricated out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame and compartmentalized inner shell shall be fabricated of out of 2.0 mm thick CRCA sheet for control gear. Front and back door operating with locking arrangement at front . The panel shall havevibration free structurewith Protection of enclosure IP 65 as per IS-2147 of 1962with pre-treatment through 7 tank hot chemical process prior to powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachablegland plates shall be fabricated out of 3mm thickCRCA sheet having provision for entry of armoured cable of adequate size complete with stiffeners wherever required. The bottom base channel of section not less than 150mmX 100mmX 5 mm thick, fabrication shall be done in transportable sections. The entire panel shall have a common earth bar of required size at the rear with 2 Nos. earth stud, connections and interconnection with solid conductor wires / copper strips, neutral links, control wiring with 1.5 sqmm. & 2.5sqmm.The panel shall be provided with manufacturer name plate, heavy duty SS cable glands of adequate size for incoming and outgoing cables. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bones and skull to be provided. EPDM gasket of appropriate shape and size provided at all joints, door and covers including suitable size angle iron/flat iron frame work/support required with four legs 60cm long using angle iron 75x75x6mm or suitable size duly painted with anti corrosive paint, air passing holes and locking arrangement at front with duplicate keysand making connection of incoming and outgoing cable using proper cable lugs, 4 x legs grouted in PCC 1:2:4 and making good disturbed surface completeincluding providing and fixing following switch gears and as per schedulesand technical specifications etc. The panel shall be designedfor suitable for electric load completeas required and comprising of the following:- |
| 41 | (A). INCOMER from Hanger No.2 & 3(i) MCCB 400 Amp 4 pole, 36 KA, lcs =100% lcu, microprocessor release ,confirming to IS:13947(Part-3) 1993 andIS/IEC:60947(Part-2) Adjustable Overload, Short-circuit, Ground fault (4 Pole) & Fixed Instantaneous ion for faster fault diagnosis - 02 nos(1W+1S)Netural Protection (4 Pole), with Adjustable Thermal release 0.6 to 1.0 In and Adjustable magnetic release with (3.5 to 10.0 In) complete with phase separator complete with phase separator - 02 Nos( from Hanger No.2and 3).(ii) 1 No., 230V, AC operated integral type Digital multi function meter with RS-485 port for measuring Amps ,Voltage, Energy, kWH, kVAH, frequency, Maximum Demand & power factor etc with TOD facility conforming to specifications, latest IEC/ EMC and EMI standards/criterion, with necessary Circuit MCBs and suitable size summating CTs forincomer metering supporting SCADA/BMS connectivity.(iii)1- set Red/Green ON/OFF indicating lamps (iv)1- set of three phase (red, yellow, blue) indicating lamps (v) Amber healthy trip indicating lamps(vi)3 nos. cast resin current transformers of suitable ratio withVA Burden &protection and Class 1.0 for measurement or CTs of suitable capacity as per panel designer.(vii) Terminals to receive alum. XLPE armoured cables.(viii)MCB SP 6A \"C\" series for control ckt protection= 03Nos(B).BUSBAR(i) TPN + EAluminium electrolytic grade high conductivity bus bar of rating not less than the 1.5 times the rated capacity of total incomer MCCB/ACBshall be insulated with colour coded heat shrinkable sleeves and mountedon suitable size F class |
| 42 | insulators made of non hygroscopic , non combustible, track resistant, high strength FRP/MC/DMC material at an interval not more than 500mm through out the length of busbar along with extension and interconnected busbar. The extension link shall not be less than 300mm longsupported on suitable size F class insulatorsfor termination of incoming and outgoing cables. All control wires shall be with 2.5sqmm FRLS multi strandedcopper conductor and shall be properly bunched , tied, ferruled for proper identification and crimped with adequate size of lugs.(C). OUTGOING(i)ACB 800 A, 3P, 415V, 50kA , lcs =100% lcu confirm to IEC/IS – 60947-2, with microprocessor based adjustable overload 50-100%, adjustable short circuit in range of 400% to 100% of ACB rating complete with ON/OFF indication and earth fault protection have adjustable current setting of 20% to 100% of rated capacity complete with with integral LCD Display of load current and individual loading of all the three phases including closing and trip coils (Shunt release + Under voltage release) and protection against , over current, short circuit, over voltage and earth fault. ACB shall be electronic draw out type modular in construction confirming to IEC947/IS:13947(part 2) ,VDE 0660 Part 101,IEC 68 Part 2-30(Climate proof).The ACB release shallbe self powered with true RMS sensing. The ACB shall be with 230 V AC shunt trip coil and 230 V, AC Motor wound spring closing mechanism. Specific LED indications should be provided for short circuit, over current and earth fault operation for faster fault diagnosis - 02 nos(1W+1S)(ii) MCB SPN C series 16Amp/32Amp ,10KA -02 Nos(iii) Auto/Manual selector swicth -01 nos (iv) 1 sets (2 no.) of AC operated, 3.5 Digit, independent Digital Ammeter, Digital Volt meter with necessary Circuit MCBs and with suitable size CTs connections as required foreach outgoing feeders.Note for Item No.1,2& 3 (LT Panel): (i) LT panel shall be CPRI approved(ii) Contractor shall submit the following Test report i.e. IP Test Report and verification of short circuit withstand test report to GE (iii) Contractor shall submitGA drawingprior to procurement of LT Panel for approval of GE/CWE. (iv) The items mentioned in description are indicative only. Any item not specifically mentioned but required for reliable, safe and unattended trouble free operation shall be included in the scope of the contractor for which no additional payments shall be made(v) Capacity of MCCB/ACB in amp mentionedabove are indicative, contractor to verify, design and select capacity as per OEM recommendation in the event of variation above the projected capacity. |
| 43 | Material and labour for Earthing complete with GI earth electrode plate of size 600x600x6mm thick, buried directly in ground(earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.50m below normal ground level, connected to GI strip of size 32x6 mm as earth lead up to test point with suitable GI nuts/bolts and brazed properly up to main board including earth pit in cement concrete 1:2:4 type B-1 using 20mm graded stone aggregates,40mm thick precast RCC cover in 1:2:4 reinforced with expanded metal(weight not less than 4 kg/sqm), and frame of angle iron 25x25x6mm with lugs 02 nos with 6mm dia MS bar handle made to shape, excavation and earth work in any type of soil and including light grade GI watering pipe 20mm bore with funnel andwire mesh and light grade GI earth wire protection pipe 40mm bore up to main board complete as shown in electrical plate no 3 of MES schedule Part-I , connected to earthing testing point and testing on completion complete all as specified anddirected.Note: (i) The unit rate includes GI pipe up to 7.5m for protection of earth lead. For any additional length the same shall be adjusted through deviation order.(ii) The unit rate includesmain earthing lead/strip from earth electrode to test point up to 7.5 meter |
| 44 | Supply and fixing GI Pipe light grade40mm borefor protection of GI earth lead complete with all fittings complete all as specified and as directed. |
| 45 | Supply and fixing earth continuity conductor buried in ground or any other indicated situation for loop earthing etc of size 32x 6mm galvanized iron strip complete all as specified and as directed. |
| 46 | Supply, installation, testing and commissioning of outdoor, floor-mounted, metal-clad, draw-out, extensible 11 kV 3-phase 50 Hz vacuum circuit-breaker panel conforming to IEC 62271-200, rated 12 kV insulation 28 kV/1 min and 75 kVp BIL, short-circuit breaking capacity ≥ 350 MVA (18.4 kA for 1 s), continuous current ≥ 630 A, duty cycle O-0.3 s-CO-3 min-CO; complete with horizontal-break VCB, motor-charged spring mechanism, numerical protection relay (50, 51, 50N, 51N, CB-fail, programmable logic, ≤ 4 ms trip), cast-resin CTs 400/200/5-5 A 15 VA 5P10 & 0.5, cast-resin PTs 11 kV/√3 / 110 V/√3 100 VA class 0.5, 110 V DC trip/close coils, 230 V AC spring-motor and space heaters, multifunction meter (V, A, kW, kWh, PF, f), LED indications (ON, OFF, Trip, Spring-charged, Remote, Healthy, CB-fail), mechanical & electrical interlocks for Service/Test/Isolated truck positions and shutters, enclosure 3.15 mm CRCA,Outdoor IP 65,epoxy-powder-coated with cubicle lighting. Provide simultaneous-trip scheme: minimum 4 NO + 4 NC 10 A spare contacts wired to terminals, two lockable 24 V DC inter-trip relays giving transfer-trip ≤ 50 ms, and 2.5 mm² Cu control cabling up to LT panel (~25 m). Include additional 110 V DC shunt-trip coil and 110 V AC under-voltage release for emergency/UV trip. Panel shall be SCADA-ready: numerical relay, meter and breaker controller with RS-485 Modbus-RTU plus DIN-rail Modbus-TCP Ethernet gateway, screened-pair RS-485 link with terminators; remote commands (Open, Close, Spring-charge, Local/Remote) and telemetry (breaker position, spring status, protection trip, UVR status, CB-fail, Buchholz/WTI/OTI alarms, V, A, kW, kVAR, kWh, PF, f) with SOE time-stamp 1 ms, 1000-event log. Provide auxiliary relay package for transformer alarm inputs and 10-point LED annunciator with acknowledge/test. Supply accessories: chequered 11 kV rubber mat (panel width), danger plates, discharge rod, operating handle, shutter key, adaptor/bus extension box if needed, minor civil works (grouted base frame, trench plates). Carry out routine & type-test certification, on-site primary & secondary injection, inter-trip latency test and SCADA FAT/SAT; furnish two hard-copy and one soft-copy O&M manuals with GA, SLD, wiring diagrams, relay settings and Modbus register map. All above inclusions shall be deemed complete in all respects and covered in the quoted rate. |
| 47 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 1st Year after date of completion and defect liablity period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 48 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 2nd Year after date of completion and defect liablity period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 49 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 3rd Year after date of completion of 2ndYear of Comprehensive Maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 50 | Operation and Comprehensive Maintenance including making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 4th year after date of completion of 3rd year comprehensive maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge . |
| 51 | Operation and Comprehensive Maintenance including making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 5th year after date of completion of 4th year comprehensive maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 52 | Operation and Comprehensive Maintenance including making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 6th year after date of completion of 5th year comprehensive maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 53 | Operation and Comprehensive Maintenance including making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 1500 KWp at GE (AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 7th year after date of completion of 6th year comprehensive maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 54 | Operation and Comprehensive Maintenance including making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 1500 KWp at GE(AF) E/M Chakeri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 8th year after date of completion of 7th year comprehensive maintenance period.Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- (i) The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 55 | (B) PROVISION OF ROOF TOP SOLAR POWER PLANT OF 250 KW AT AFS GURGAON UNDER GE (AF) GURGAON NO.1 (W2) |
| 56 | Design, Supply, Installation, Testing & Commissioning of on grid connected roof top solar pv plant for generation of 250 kwp , comprising of provision of solar panel treated with anti glare coating with Bi-facial half cut mono-PERCDCR Solar Photovoltaic module, roof top structure power conditioning unit ( Inverter, IP 65), Power evacuation equipment such as cable and Panels, Fire safety kit, earthing and lightening arrestors, all accessories etc including preliminary and pre-operative charges & ComprehensiveMaintenance charges for 02 years including all essential civil and electrical works required for erection and commissioning of Solar PV plant in accordance with conditions prevaling at Gurgaon with fixed type structure andincluding all type of necessarycivil works comprising of following sub-components/sub-systems and meeting the specifications as given here-in-after and in tender documents completeall as specified and as directed.(A). P V MODULES :- Suitable Nos of Solar Photovoltaic module of Bi-facial half cut mono-PERCDCR Solar Photovoltaic module shall be MNRE/GOI and ALMM approved having minimum 520 KWp capacity Note:- SPV Modules shall be essentially indigeneously manufactured (Made in India) only. Make -Havells/ Adani/ Waaree/ Vikram Solar/ Luminous or Equiv(B). MOUNTING STRUCTURE :- Modules Mounting Structure made of Hot rolled galvanized steel (Grade : S390GD (EN 10346) having minimum Zinc coating of 80 Microns as per relevant IS Codes and mounted on a non-corrosive support structures tilted at an angle suitable for site requirement to generate maximum possible energy from available Solar radiation. The frames consisting of channels, purlins, plates, columns etc. and leg assemblies of the array structures shall be made of MS hot dip galvanized (as Per relevant IS). Minimum thickness of galvanization should be at least 80 microns.All fasteners shall be of Stainless steel - SS 316. Nut &bolts, supporting structures includingmodule Mounting Structures base plates etc. shall have to be adequately designed andprotected against all adverse climatic conditions.The base columns shall be made with pre-cast cement concrete with min |
| 57 | M-25 Grade (1:1:2) as per design based on site related data which shall be done by contractor at his own cost.The contractor quoted rates shall be deemed to inclusive of all civil works for mounting structure and its foundation including roof treatement after grouting and civil works to prevent seepage and damage to roof structure. Contractor to submitt structural design and drawings duly wetted by professor of IIT/NIT or by govt institute autherized by MNRE or NISE Note Location of Building with area available at roof top is as below:-(a) 125 KW Plant: DSC Mess (Available area : 858 sqm)and (b) 130 KW Plant: MT RCC shed (Available area : 585 sqm)(C). SOLAR GRID TIED STRING INVERTER :Design, supply, installation, testing and commissioning 3 phase PCU/ string inverters as per matching capacity of SPV system of appropriate capacity as per site/ design approved of suitable capacitygiven 125KW + 130KWAC (nominal power), suitable to convert DC power of installed Solar PV module/ array in to AC power output for planned building mentioned under Para(1), for further feeding to grid ,if required, confirming to IEC:61683/ IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2 (1,2,14 & 30)/IEC : 62093 (as applicable)/ equivalent BIS standard for efficiency, for safety and for reliability. The inverters shall consist ofdata loggers for monitoring of solar power generation and solar meters of suitable specification to be installed for complete/ utilization of solar power generated on grid with in the desired location only. The inverter should have MODBUS, PROFIBUS,ETHERNET common ports. PCU must have the feature to work in tandem with other similar PCUs and be able to be successively switched ON and OFF automatically based on solar radiation variations during the day. There should not be any clipping/ scalping losses due to incorrect DC/AC ratio cap selection of Inverter. The PCU/ inverter shall have an overloading capacity of minimum 10%.The output power factor of the inverter should be suitable for all voltage ranges or sink of reactive power, the inverter should have internal protection arrangement against any sustain fault in the feeder line and against the lightning on the feeder Monolithic design of inverter is not permitted |
| 58 | Make:- HAVELLS/SUNGROW/ GROWATT/ POLYCAB or equivalent make same as the make of PV Panels as approved by GE.The input DC & output AC technical specification of Inverter are as under :-.Input (DC):(a)Max input Voltage : 1100 V(b)Rated Input Voltage : 600 V(c)Start-up input voltage : 200 V(d)Operating input DC voltage range : 300 - 950 V(e)No of independent MPPT : Must be suitable to accommodate installed DC SPV array & their cap. Min 2 to 10(as per approved design based on No of array strings)(f)MPPT operating voltage range : 180 - 960 V(g) Max input DC Current : (h)Maximum input short circuit current : As technically reqd & Suitable as per approved array string design(j)No of Protected DC inputs/ strings : 6 to 20 (as per approved design based on No of array strings)Output(AC):As per approved array string design(a)AC grid connection type : 3/N/PE(b)Rated Power at unity PF: Suitable for SPV DC cap installed at building.(c)Max AC output power : 110% of rated power(d)Max AC output Apparent power : As per Inverter rated output(e)Max AC output Current : As per Inverter rated output(f)Max AC fault current : As per Inverter rated output(g)Nominal Output Voltage : 415 V(h)Grid Output voltage range : According to SEB standard(j)Rated Grid Frequency : 50 Hz(k)Output Frequency : 50 Hz ± 3Hz(l)Power factor : > 0.9 (Lag or lead)(m)Thermal Harmonic Distortion i (THDi) : < 3% |
| 59 | (n)MPPT Efficiency : > 99%(o)EU efficiency : 97.5%(p)No of Protected DC inputsAll the Inverters should contain the following clear and indelible Marking Label Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with: (i)The name or trademark of the manufacturer or supplier. (ii)A model number, name, or other means to identify the equipment, (iii) A serial number, code or other marking allowing identification of manufacturing location and the manufacturing batch or date within a twelve-month time. (iv)Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current foreach input. (v) Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current and for a.c. outputs, either the power or power factor for each output. (vi) The Ingress Protection (IP) ratingNote:-(i) It shall be enclosed in weatherproof enclosure with minimum IP 65 protection (ii) It shall have features like wake up, synchronisation, shut down and should have DC reverse polarity protection, AC/DC surge protection, AC short circuit protection, ground fault monetring, string detection etc (iii) It should have Anti-Islanding protection and also Internal protection arrangement against various electrical faults (vi)Nominal Output power 3 Phase, 415V, AC, 50 Hz |
| 60 | (v) THD shall be less than 3% (v) PF more than 0.9 (vi) Switching device IGBT/MOSFET (vii) Invertor should provide remote monitoring system for accessing following parameters viz grid voltage and frequency, DC voltage and power from solar panels, inverter output power, and the total energy produced (Daily , Monthly , qtrly ,Half Annually and Yearly). Additionally, parameters like load power (consumption), and system status (e.g., \"run\" or fault codes) etc. (viii) web based or app based system to display these parameter with cyber security encription for remote monitering of theses parameter to be be provided by OEM.(D). Array Junction Box:- Array Junction Box as per site requirement forInverter -03 Nos with fuse and SPD-06 No. AJB\"s shall be made of GRP/FRP with dust, water & vermin proof arrangement with IP 65 protection with transparent covers & It shall have SPD and Reverse blocking diodes.Make:-MNRE/GOIapproved(E) AC DB PANEL at (a) 125 KW Plant: DSC Mess ,(b) 80 KW Plant: MT RCC shedand (c)50 KW Plant: MT RCC shed.- 03 Nos”.AC Disconnect switch (MCCBs) shall be of matching capacity as per inverter rating . Make:- Schneider/Siemens/ABB/L&T/Havells or equivalent as approved by GE for each location. ACDB Panel of suitable rating (Inverter AC capacity) shall be provided for interconnection of Solar Power Plant with proposed/existing LT Panels and further connected to grid. Each ACDB shall be made of CRCA sheetof appropriate 2 mm thick duly Powder Coated as per colour approved by the GE . It shall bedust, water & vermin proof arrangement with IP 56 protection .Make:-Schneider/Siemens/ABB/L&T/Havellsor equivalent as approved by GE. Each ACDB shall comprise of following:(i) 3 Phase 4 wire Aluminum Bus Bars shall be the 1.5 times o(ii) Intelligent Panel meter to measure voltage, current, frequency, power factor etc with all connected CTs of each breakers(iii) 4 P MCCB 415 V,36 kA (ICS=ICU=ICW for 1 Sec) of suitable rating matching with inverter AC output, withadjustable thermal and magnetic releasetype for overload protection and short circuit protection 02 Nos as incomer and outgoingf the incoming MCCB rating(iv) LED Indicating Lamps for each phase with colour code Red Yellow Blue for R, Y and B Phases for each breakers.Note : Each ACDB shall be made of CRCA sheetof appropriate thickness duly Powder Coated as per colour approved by the GE.Dust, water & vermin proof arrangement with IP 56 protection with transparent covers.Make:- Havells or equivalent as approved by GE. |
| 61 | (F) DC CABLE AND AC CABLE at (a) 125 KW Plant: DSC Mess ,(b) 80 KW Plant: MT RCC shedand (c)50 KW Plant: MT RCC shed.The contractor shall submit design calculations to deptt for selection of suitable size DC cables and AC cables to ensure voltage drop less than 2 %. The electric cables for DC system for rated voltage of 1500 V. Cables shall have operating range of -10 degree centigrade to + 80 degree centigrade. DC side cables shall be EBXL XLPO ZH-FRLS type having multistranded, annealed tinned high conductivity copper conductor 1.5 kV rated. The minsize of DC cable shall not be less 6 Sqmm and shall confirm to IEC 62930/ or equivalent IEC/ IS standard for solar cables/ cables for roof top solar photo voltaic system. The AC cables (Inverter to ACDB) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, copper conductor of suitable size,(max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses. Further, AC cables (ACDB to LT panel) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, Aluminium conductor of suitable size (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses and shall be as under :-(a)All cables and connectors for use of installation shall be of Solar grade which can withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years min and voltage as per latest IEC/ IS.(b)All the cables / wires shall be provided with UV resistant printed ferrules for DC side.(c)The size of the DC cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 2%.(d)Cable batch No, IEC/IS code/ applicable standard and size and make shall be mentioned on every one meter or as per OEM practice/ IS standard.(e) AC Cable of suitable rating, size and type from output of solar inverter to nearest LT panel deemed to be included in quoted rates. The contractor shall submit design with voltage drop calculations and take approval from deptt before start of work.4 Core XLPE Alcable of suitable size, max Current capacity to cable shall be 150% of actual current to be carried ( inverter to ACDB).(f)The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size.(g) The cost of interconnecting DC Copper/ Aluminium cable/ wires ( as mentioned above) suitable GI cable trays, Rigid PVC/ GI pipes, ties and earth work for trenches, suitable to accommodate Solar grade cables from SPV module upto inverters and inverters to AC supply panel are deemed to be included in the quoted rates. |
| 62 | (h) The DC cables shall be provided with superior quality MC 4 connectors, Y connectors to ensure long life and ferrules for ease in fault tracing.Make of DC cable : Havells/Siechem/Polycab/KEIMake of AC cable : Havells/Finolex/Polycab/KEI1. COPPER BONDED STEEL ROD:MATERIAL: COPPER & STAINLESS STEELSPEC: IS 2309LENGTH: 10FTDIA.: 5/8 or 3/4”APPROVED: UL2. GROUND ENHANCEMENT MATERIAL-ZEROLITE:MATL: CARBON FIBER, ABSORBANT POLYMER & MINERAL MOISTURE CONTROLLERSPEC: IS 2309WEIGHT: 20KG/BAGRESISTIVITY: MAX. 0.1 OHM-MFLEXURAL STRENGTH: MIN. 20KGF/CM2COMPRESSIVE STRENGTH: MIN. 200KGF/ CM2 D8 |
| 63 | 3. EARTH ROD CLAMP:MATL: SS, COPPERPART: MIN. 2 0R MAX. 3 PARTSEarthing Circuit has to be connected/completed as under:1. Main Earthing Circuit/Grid has to be connected with 50X6 mm GI Earth strip of required Length2. Earthing Strip from Earthing Grid to Final Earthing with Equipment/Solar PV Arraay to be connected with20X3 mm GI Earth Strip- 250 mtrs(G) LIGHTNING PROTECTION:- Provisioning of Lightening Protection For SPV Plant is as under :- 1) 125 KW Plant-02 Nos Earthing + 01 Air Termination Rod 2) 80 KW Plant-02 Nos Earthing + 01 Air Termination Rod 3) 50 KW plant -02 Nos Earthing + 01 Air Termination Rod . MAKE:- OBO/JMV/JEF Techno/Indelec/EricoEarthing conductor GIpipe . The terminal adaptor havinginner dia 60mm OD.Air termination rod shall be solid copper bonded single spike having length of 1 m having min dia of 15 mm* Each lightening arrester shall be provided with 02 no of earthing pit with separate chemical earthig or more as per manufacturers specifications.(H) Installation kit and accessories (Cable trays, Lugs, Routing accessories, cables, conduits etc.) - 03 Lot(I) Copper PVC Flexible cable 1.1 KV 16 Sqmm , green earthing cable - 60 RM (J) Any other items of Civil / Electrical nature work required for the 250 KWp PV plant.(K).EXPORT DEVICE ANDSYNCHRONIZER :at (a) 125 KW Plant: DSC Mess ,(b) 80 KW Plant: MT RCC shedand (c) 50 KW Plant: MT RCC shed.- 03 NosZero export device shall be included in the solar circuit and DG synchronizer for existing DG set in the system shall be provided and installed at all locations.GENERAL NOTES : The items of Work mentioned in this Job shall be executed as per following :- (i) The above item shall be quoted and executed on ground baseddesign on Performance Guarantee Basis. Bidder Shall consider local geographical conditionss/meteorological data at the location for the required design period.The Performance Guarantee is related to |
| 64 | achieving the 250 KWp generation with specified efficiency and efficacies. The Contractor shall also be responsible for desired operational efficacy and desired efficiency of the System during its life cycle of minimum fifteen years. (ii) The Contractor shall submit design calculations and drawings vetted from National Institute of Solar Energy Gurugram or by Govt Institute authorised by MNRE or NISE or any reputed Institute /Agency authorised for approval of GE . The cost of design and all other works shall be deemed included in the quoted rate of the item. (iii) The contractor shall also submitt design and calculations for structural and foundation design of the module mounting structure duly considering the wind speed as 50 m/sec and vetted from IIT/NIT or any other Govt institution for approval of GE. The cost of design and all other works shall be deemed included in the quoted rate of the item. iv) Quoted rate shall be inclusive of cost of smooth and efficient functioning of solar plant for Period of 2 Years from the date of Completion of Work rendering onsite replacement of defective parts for seamless generation.Solar Engineers shall visit the site and service the system once in month and carried out breakdown maintenance like repairing, replacing faulty components, wires etc free of cost. The maintenance service provided by contractor shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. (Penalty for achieving less CUF than the annually contracted target wiil be levied on a year-by-year basis. The shortfall in units (calculated based on thatyear’sspecified CUF) will be charged at the prevailing import rate, subject to a maximum penalty of 10% of total units to be generated as per that year’s CUF). During the defect liability period of 24 Calender Months from the date of completion, the contractor shall deploy a suitable trade man/ technician in consultation & prior approval of GE, for routine maintenance of both the plant as recommended by the manufacturer and for checking functionality of various instruments/ infrastructureprovided under the contract on weekly basis, and to take corrective action (if required any), to ensure continuous generation of solar powerto achieve expected output.Trade man/ technician so deployed by contractor shall submit his report to GE on format as decided by GE. contractor shall ensure proper saftey norms to be followed by the workers during maintanence work Contractor shall also ensure |
| 65 | cleaning of Solar PV Modules Periodically as per pre-planned schedule, Checking electrical parameter of the installed power plant, any other job other than above indicated jobs shall be covered under warrantyofSolar plant installed and Keeping the area neat and cleanfree from vegetations growth.If during the defect liability period.any part/equipment of the solar plant gets damaged or stops functioning, then the same shall be rectified immediately by contractor free of cost ensuring non-stop and smooth functioning of solar plant.(v) Capacity Utilization Factor (CUF) for a solar power plant should be minimum 17% with a degradation at the rate of 0.75% per year. (v) Performance ration of the plant should be min 75%(vi)In case non reporting of trade man/ technician on schedule day as decided by GE, a pro-rate (considering 8 hrs of working) recovery shall be double as per the previling govt market rates per day per instance shall be recovered from the performance guarantee/ dues.A proper record of weekly attendances & reports submitted and action taken by trade man/ technician so detailed shall be maintained by the Engr-in-Charge. The rates quoted by the tenderer (s) against item of Sch ‘A’/BOQ shall be deemed to include for above provisions.(vii) The Contractor Shall also be responsible forrenewal/replacement of parts fittings/fixtures filling of Solar modules, inverter, mounting structure etc during the defect liability period. Maintenance of log sheet and all maintenance record shall be responsibility of contractor and stationary shall be provided by the Contractor. Format of log sheet and maintenance records etc shall be decided by GE/Engr-In-Charge. Solar Panel water servicing, panel Cleaning, Area cleaning surround the plant room etc shall be the responsibility of contractor.(viii) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost.(ix) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate. (x) After successful installation contractor should provide final drawing of electrical wiring, test certficates, warranty certificates, manuals to the Engr-in-Charge.(xi) A display board of size 4 ft x 3 ft made of MS 40 mm x 40 mm square pipe and flexes is to be supplied and errected at all the solar plant sites showing information as directed by Engineer-in-Charge the rate of which shall be deemed to be included in the quoted rates.(xii) During installation and working of solar plants if any damages occurs to existing roof top/building, rectification for the same is deemed to be included in the quoted rates. |
| 66 | Supply and Fixing 2 pole open well submersible pump setsuitable for 50 Hz, single phase A.C. Power supply voltage range 160 to 260 volts, 24.0 meter head , 1.70 litre per seconds discharge , IP 68,cast iron casing, cast iron impeller, motor and shaft stainless steel and power rating 1.1KW/1.5HP or as per manufacturer recommendation complete with copper wireand DOL starter of suitable capacity as per matching capacity of motor including necessary connections to distribution board, complete, all as specified and as directed. |
| 67 | Material and labour for Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) triple layer hoisted and fixed in position all as specified in SSR Part I of cap 1000 Ltrs complete with suitable PCC/ RCC foundation and civil work reqd at site, complete, all as specified and directed. |
| 68 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 25 mm (1”) bore, complete, all as specified and as directed. |
| 69 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 20 mm (3/4”) bore, complete, all as specifiedand as directed. |
| 70 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 20mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and directed. |
| 71 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 25mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and directed. |
| 72 | Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sq mm 3.5 core complete all as specified and as directed |
| 73 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 1st Year after date of completion and defect liability period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 74 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may be under HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 2nd Year after date of completion of 1st Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 75 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 3rd Year after date of completion of 2nd Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 76 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e for 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 4th Year after date of completion of 3rd Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 77 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may be under HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 5th Year after date of completion of 4th Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 78 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 6th Year after date of completion of 5th Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 79 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may be under HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 7th Year after date of completion of 6th Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 80 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e. For 250 KWp at GE (AF) Gurgaon NO 01 Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 8th Year after date of completion of 7th Year of Comprehensive Maintenance. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge |
| 81 | (C) PROVISION OF ROOF TOP SOLAR POWER PLANT OF 250 KW AT AFS OJHAR UNDER GE (AF) OJHAR(W3) |
| 82 | Design, supply, installation, testing and commissioning of grid connected Roof topsolar photo voltaic power plant without battery for generation capacity of 250 KWp incl comprising of DCR Solar Photo Voltaic panels / Moduleswith anti glare coating , Inverters/PCUs, Module mounting structure, Net meter (as applicable) , Generation meter, Array Junction boxes, DC junction/ distribution boxes, AC junction/ distribution boxes, Solar grade DC copper cables, AC cables, Lightning arrestor, surge arrestor, Earthings, civil RCC/ PCC/ earth work, Ladders, including preliminary and pre-operative charges & ComprehensiveMaintenance charges for 02 years, other plant accessories complete incl miscellaneous items reqd for satisfactory functioning of roof top solar power plant suitable to be installed atbuildings no. (a) Station Gymnasium- 70 KWp ( Available area- 585 sqm), (b) Loom Bay- 80 KWp (Available area- 600 sqm)and (c) RSD(L) Building New- 100KWp ( Available area -1473 sqm) .alongwith necessary civil and electrical works required for erection and commissioning of Solar PV plant in accordance with prevaling conditionsatAF Stn Ojhar, Nashik (Maharashtra) with fixed type structure andcomprising of following sub-components/sub-systems which shall meet the specifications as given here-in-after and in tender documents completeall as specified and as directed by Engineer-in-Charge:- |
| 83 | A. SOLAR PV MODULESupply and Fixing bi -facial half cut mono-PERCDCR Solar Photovoltaic module shall be MNRE/GOI and ALMM approved having minimum 520 KWp capacity .The PV modules and Solar Cell used should be made in India having efficiency should be minimum 21% andminimum fill factor 75%, temperature co-efficient powershall be equal to or better than - 0.45%/°C.to be used. The rated power of the solar PV module shall have maximum tolerance up to +3%. and no negative tolerance. It shall perform satisfactorily in RH 85% with temperature up to - 40 degree centigrade to + 85 degree Centigrade and should withstand wind resistance on the surface of panel as per max wind speed selected for design.The PV modules used must qualify to the latest edition of IEC standards or equivalent BIS standards, i.e., IEC 61215/IS14286, IEC 61853-Part I/IS 16170-Part I, IEC 61730 Part-1 & Part 2 and IEC 62804 (PID). For the PV modules to be used in a highly corrosive atmosphere throughout their lifetime, they must qualify to IEC 61701/IS 61701. The PV modules shall be equipped with IP 65 or better protection level junction box with required numbers of bypass diodes of appropriate rating and appropriately sized output power cable of symmetric length with MC4 or equivalent solar connectors.PV modules shall be warranted for their output peak watt capacity. All PV modules should have a nominal power output more than 90% at STC during the first Ten years and more than 80% during next 15 years. Further, module shall have nominal power output of more than 97% during the first year of installation.PV Module shall also be in confirmity to latest minimum technical specifications issued by MNRE & IREDA from time to time. DCR Modules should be of MNRE\"s ALMM & IREDA approved companies and as per latest IEC/IS standards.SPV Modules shall be essentially indigeneously manufactured (Made in India) only for the Makes -Havells/ Adani/ Waaree/ Vikram Solar/ LuminousNote :(i) Selection of module power and number of modules shall be according to design based on the available shadow free roof top area & adequate walkway and final selection to be got approved from GE before commencement of work. Adequate number of module to be installed to obtain DC power ouput in KWp.(ii)Each module shall have RFID tag encapsulated/ laminated inside glass. Following information must be mentioned in RFID tag(a)Name of Manufacturer of SPV Module(b)Name of Manufacturer of Solar Cell(c) Month and year of Manufacturing (seperately for solar cell and module)(d) Country of Origin for solar cell and module(e)Peak wattage, Im, Vm,Vsc,Isc and fill factor of the module |
| 84 | (f) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate(g) Unique serial no and model no of module(h) IV curve of module(j) Date and Year of obtaining IEC PV module qualification certificate(k)Name of test lab issuing IEC certificate(l) Other relevant information on traceability of solar cells and modules as per ISO 9001 and ISO 14001.B. MODULE MOUNTING STRUCTURE (MMS) for Station Gymnasium, Loom Bay and RSD(L) buildingDesign, supply/ procure, fixing, module mounting & support structure made of Hot rolled galvanized steel ( Grade : S390GD(EN 10346)) with min 80 micron thickness zinc coating/galvanization as per relevant IS code .The structure shall be non corrosive and tilted at an angle suitable to obtain peak output power at site from the available solar radiation.The frames consists of channels, purlin ,plares, columns etc includingleg assemblies of array structute.Necessary RCC foundation (as applicable) and associated iron work cutting, drilling, welding, jointing, grouting, PCC/ RCC filling, dispoing waste material, etc., complete and fixing mounting arrangement suitable for SPV modules so as it can withstand wind speed of 150 km per hour. The mounting structure is to be installed at RCC Roofs (as existing at site) and the array structure has to be so designed that maximum load is directly on roof beams and columns to avoid any affect on life & strength of structure. It shall also occupy minimum space without sacrificing the output of SPV panels & adequate space between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, mounting structure including module mounting structure shall have to be adequately protected from the atmosphere and weather prevailing in the area. All the fasteners, nut, bolts shall be of Stainless Steel of grade SS 304 or hot dip galvanized and panel mounting clamps shall be of aluminium and must sustain the adverse climatic conditions. Module mounting structure may require to customize with respect to the site availability and in case, if any water tank is present on the roof, then mounting structure |
| 85 | height should be more than 1.5 feet (min) above the water tank height so that space of water tank should be fully utilized for installation of PV module and to avoid any shadow of water tanks on modules.The base columns shall be made with pre-cast cement concrete with min M25 Grade (1:1:2) as per design based on site related data which shall be done by contractor at his own cost.The contractor quoted rates shall be deemed to inclusive of all civil works for mounting structure and its foundation including roof treatement after grouting and civil works to prevent seepage and damage to roof structure. Contractor to submitt structural design and drawings duly vetted by professor of IIT/NIT or by govt institute authorized byMNRE or NISE.Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts, and bolts .Adequate spacing shall be provided between two panel frames and rows of panels to facilitate personnel protection, ease of installation, replacement, cleaning of panels and electrical maintenance.Note: (i) The contractor shall submit structural design on Stad-Pro based or equivalent software on wind load 150 Kmph, live load and dead load of structure with solar panel & seismic zone, wind speed zone of Ojhar, Nashik ( Maharashtra). Any deflection to the mounting structure shall be as per IS 800:2007. Structural design of the mounting structure should be carried out by a consultant/ company approved by the GE. The height of Roof top MMS shall be as per latest MNRE & IREDA guidelines for ease in maintenance.(ii) The structure shall be designed to withstand operating environmental conditions for a period of minimum 25 years. (iii) Any damage done to water proofing/ Roof structure during installation shall be made good by the contractor at no extra cost. Water Leak Protection has to be ensured with Pure Epoxy Resin based chemical anchoring system, wherever damage to structure occurs.(iv) MMS steel shall be as per latest IS 2062: 2011 and galavnization of mounting structure shall be in compliance of IS 4759.(v) The PV array structure design shall be appropriate with a factor of safety 1.5 min or higher factor of safety.(vi)Two numbers of anti-theft fasteners of Stainless Steel on two diagonally opposite corners of each module shall be provided. |
| 86 | C.POWER CONDITIONING UNIT(PCU)/SOLAR GRID TIEDSTRING INVERTER for Station Gymnasium, Loom Bay and RSD(L) buildingDesign, supply, installation, testing and commissioning 3 phase PCU/ string inverters - of matching capacity with total SPV wattage of appropriate capacity as per site/ design approved of suitable capacity as given 250KWAC (nominal power), suitable to convert DC power of installed Solar PV module/ array in to AC power output for planned building mentioned under Para(1), for further feeding to grid ,if required, confirming to IEC:61683/ IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2 (1,2,14 & 30)/IEC : 62093 (as applicable)/ equivalent BIS standard for efficiency, for safety and for reliability. The inverters shall consist ofdata loggers for monitoring of solar power generation and solar meters of suitable specification to be installed for complete/ utilization of solar power generated on grid with in the desired location only.The inverter should have MODBUS, PROFIBUS, ETHERNET common ports.PCU must have the feature to work in tandem with other similar PCUs and be able to be successively switched ON and OFF automatically based on solar radiation variations during the day.There should not be any clipping/ scalping losses due to incorrect DC/AC ratio cap selection of Inverter.The PCU/ inverter shall have an overloading capacity of minimum 10%.The output power factor of the inverter should be suitable for all voltage ranges or sink of reactive power, the inverter should have internal protection arrangement against any sustain fault in the feeder line and against the lightning on the feederMonolithic design of inverter is not permitted.Make:- HAVELLS/SUNGROW/ GROWATT/ POLYCAB or equivalent make same as the make of PV Panels as approved by GE.General Features of Solar Grid tied Inverter:(a) Standby operation consumption (at night) : < 2 W(b) No load losses: Less than 1% of rated power(c) Allowable Relative Humidity rage : 0 ~ 100 %(d) Ambient temperature range : - 25 degree centigrade to 60 degree centigrade(e) Active power Adjustable range : 0 ~ 100 %(f) Topology : Transformerless(g) Integrated DC switch : Yes(h) Protection : The inverter should have provisions of Galvanic isolation, anti-islanding protection (IEEE 1547/UL 1741) equivant IS, DC Reverse Polarity protection, Output overcurrent & output over voltage protection, ground fault monitoring, grid monitoring, AC and DC short circuit current and over current, AC and DC over voltage and over temperature protection., AC & DC Surge protection, prevent lightning damage etc |
| 87 | (j) Ingress Protection : IP 65 or better(k) Remote Monitoring : Wifi/ GPRS/ RS 485 as necessitated by site conditions & directed by GE. Web based monitoring with historical data storage for analysis(l) Display: LED(m) Warranty : 5 years Min(n)The inverter shall adjust voltage and frequency levels to suit the grid.(o) The inverter shall be self commulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronise maximum within one minute or less time.(p) Maximum Power Point Tracker (MPPT) shall be integrated in the inverter/ PCU to maximize energy drawn from the array. Charge controller (if any)/ MPPT units environmental testing should qualify IEC 60068-2 (1,2,14,30)/ Equivalent BIS standard.(q)The inverter shall have suitable nos of protected inputs (as per design) and outgoing shall be protected by ACB/MCCB.(r ) All inverters/PCUs shall be IEC 61000 compliant for electromagnetic compatibility, harmonics, Surge, etc.(s)The inverter shall include appropriate self protection and self diagnostic feature to protect itself and the PV array from the damage in the event of inverter component failure or any deviation of parameters beyond the inverters safe operating range due to internal and/ or external causes. Inverter shall have protection arrangement against ground leakage faults, over voltage, (SPD) & over current. Inverter shall have arrangement for adjustment for adjusting DC input current and shall trip against sustainable fault down stream and shall not restart till fault is rectified. |
| 88 | (t)Typical technical features of the inverter shall be as follows i. Switching devices: IGBT/MOSFET ii. Control: Microprocessor/DSP iii. Nominal AC output voltage and frequency: as per CEA/State regulations iv. Output frequency: 50 Hz v. Grid Frequency Synchronization range: as per CEA/State Regulationsvi. Ambient temperature considered: -20°C to 60°C vii. Humidity: 95 % Non-condensing viii. Protection of Enclosure: IP-54 (Minimum) for indoor and IP-65(Minimum) for outdoor. ix. Grid Frequency Tolerance range: as per CEA/State regulations x. Grid Voltage tolerance: as per CEA/State Regulations xi. No-load losses: Less than 1% of rated power xii. Inverter efficiency (Min.): >93% (In case of 10 kW or above with in-built galvanic isolation) >97% (In case of 10 kW or above without inbuilt galvanic isolation)xiii. THD: < 3% xv. PF: > 0.9 (lag or lead) xiv. Should not inject DC power more than 0.5% of full rated output at the interconnection point and comply with IEEE 519.(u) Invertor should provide remote monitoring system for accessing following parameters viz grid voltage and frequency, DC voltage and power from solar panels, inverter output power, and the total energy produced (Daily , Monthly , qtrly ,Half Annually and Yearly). Additionally, parameters like load power (consumption), and system status (e.g., \"run\" or fault codes) etc..Web based or app based system to display these parameter with cyber security encription for remote monitering of theses parameter to be be provided by OEM.The input DC & output AC technical specification of Inverter are as under :-.Input (DC)(a) Max input Voltage : 1100 V (b)Rated Input Voltage : 600 V(c) Start-up input voltage : 200 V(d) Operating input DC voltage range : 300 - 950 V(e) No of independent MPPT : Must be suitable to accommodate installed DC SPV array & their cap. Min 2 to 10 (as per approved design based on No of array strings)(f) MPPT operating voltage range : 180 - 960 V(g) Max input DC Current : As per approved array string design(h) Maximum input short circuit current : As technically reqd & Suitable as per approved array string design(j) No of Protected DC inputs/ strings : 6 to 20 (as per approved design based on No of array strings) |
| 89 | Output (AC)(a) AC grid connection type : 3/N/PE (b) Rated Power at unity PF: Suitable for SPV DC cap installed at building.(c) Max AC output power : 110% of rated power(d) Max AC output Apparent power : As per Inverter rated output (e) Max AC output Current : As per Inverter rated output(f) Max AC fault current : As per Inverter rated output (g) Nominal Output Voltage : 415 V (h) Grid Output voltage range : According to SEB standard (j) Rated Grid Frequency : 50 Hz (k) Output Frequency : 50 Hz ± 3Hz (l) Power factor : > 0.9 (Lag or lead) (m) Thermal Harmonic Distortion i (THDi) : < 3% (n) MPPT Efficiency : > 99% (o) EU efficiency : 97.5%(p) No of Protected DC inputs |
| 90 | All the Inverters should contain the following clear and indelible Marking Label Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with: (i) The name or trademark of the manufacturer or supplier. (ii) A model number, name, or other means to identify the equipment, (iii) A serial number, code or other marking allowing identification of manufacturing location and the manufacturing batch or date within a twelve-month time. (iv) Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current foreach input. (v) Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current and for a.c. outputs, either the power or power factor for each output. (vi) The Ingress Protection (IP) rating D. DC DISTRIBUTION / ARRAY JUNCTION BOXES Supply and Fixing DC junction boxes of suitable capacity, rating & Nos (as per design approved)/ OEM recommendations having suitably rated inputs and output terminals having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plastic with IP 65 protection or better standard in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and suitable arrangement for earthing connections as per relevant standard. Make:MNRE/GOI approved.The junction box shall have suitable arrangement of the following :-(a)The strings are required to be connected to the copper bus bar/ switch gear through individual fuses(b) Provide arrangement for disconnection (DC dis-connection switch) for each string/SJB/ SCB.(c) Provide a test point for each sub group for quick fault location and to provide group array isolation(d) Each array box shall be of relevant IEC standard/ IS standard.(e) The incomming and outgoing cables from box, panel shall be properly sealed through proper glands.(f)Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V or system voltage as approved designed with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard. |
| 91 | E. AC DB PANEL atStation Gymnasium, RSD(L) and Loom bayAF Stn Ojhar- 03 Nos”.AC Disconnect switch (MCCBs) shall be of matching capacity as per inverter rating . Make:- Schneider/Siemens/ABB/L&T/Havells or equivalent as approved by GE for each location. ACDB Panel of suitable rating (Inverter AC capacity) shall be provided for interconnection of Solar Power Plant with proposed LT Panels near existing transformer and further connected to grid. Each ACDB shall be made of CRCA sheetof appropriate 2 mm thick duly Powder Coated as per colour approved by the GE . It shall bedust, water & vermin proof arrangement with IP 56 protection .Make:-Schneider/Siemens/ABB/L&T/Havellsor equivalent as approved by GE. Each ACDB shall comprise of following:(i) 3 Phase 4 wire Aluminum Bus Bars shall be the 1.5 times of the incoming MCCB rating(ii) Intelligent Panel meter to measure voltage, current, frequency, power factoretc with all connected CTs of each breakers(iii) 4 P MCCB 415 V,36 kA (ICS=ICU=ICW for 1 Sec) of suitable rating matching with inverter AC output, withadjustable thermal and magnetic releasetype for overload protection and short circuit protection 02 Nos as incomer and outgoingMake:- Havells or equivalent as approved by GE. F. DC CABLE AND AC CABLE for Station Gymnasium, Loom Bay and RSD(L) buildingThe contractor shall submit design calculations to deptt for selection of suitable size DC cables and AC cables to ensure voltage drop less than 2 %. The electric cables for DC system for rated voltage of 1500 V. Cables shall have operating range of -10 degree centigrade to + 80 degree centigrade. DC side cables shall be EBXL XLPO ZH-FRLS type having multistranded, annealed tinned high conductivity copper conductor 1.5 kV rated. The min size of DC cable shall not be less 6 Sqmm and shall confirm to IEC 62930/ or equivaent IEC/ IS standardfor solar cables/ cables for roof top solar photo voltaic system. The AC cables (Inverter to ACDB) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, copper conductor of suitable size,(max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power |
| 92 | losses. Further, AC cables (ACDB to LT panel) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, Aluminium conductor of suitable size (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses and shall be as under :-(a) All cables and connectors for use of installation shall be of Solar grade which can withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years min and voltage as per latest IEC/ IS.(b) All the cables / wires shall be provided with UV resistant printed ferrules for DC side.(c) The size of the DC cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 2%.(d) Cable batch No, IEC/IS code/ applicable standard and size and make shall be metioned on every one meter or as per OEM practice/ IS standard.(e) AC Cable of suitable rating, size and type from output of solar inverter to nearest LT panel deemed to be included in quoted rates. The contractor shall submit design with voltage drop calculations and take approval from deptt before start of work.4 Core XLPE Alcable of suitable size, max Current capacity to cable shall be 150% of actual current to be carried ( inveter to ACDB),1.1 KV grade, vd<3(f) The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size.(g) The cost of interconnecting DC Copper/ Aluminium cable/ wires( as mentioned above) suitable GI cable trays, Rigid PVC/ GI pipes, ties and earth work for trenches, suitable to accommodate Solar grade cables from SPV module upto inverters and inverters to AC supply panel are deemed to be included in the quoted rates(h) The DC cables shall be provided with superior quality MC 4 connectors, Y connectors to ensure long life and ferrules for ease in fault tracing.Make of DC cable : Havells/Siechem/Polycab/KEIMake of AC cable : Havells/Finolex/Polycab/KEI |
| 93 | G. EARTHING PROTECTION each for Station Gymnasium, Loom Bay and RSD(L) buildingThe contractor shall provide suitable Nos of Earthings for protection of DC electric supply system board and module mounting structure separately as per approved design. Earthing for Inverters, AC distribution board, lightning protection shall also be provided for safety and deemed to be included in quoted rates for all locations. The specs of Earthing shall be as under:-Supply, installation, testing of02 Nos of maintenance free safe chemical earthing system complete with 01 Number UL 467 approved/ CPRI tested copper bonded (earth rod with 250 microns of copper cladding) earth rod 17.2mm dia 3000mm long electrode buried in ground to bore holes 120mm dia, vertically to a depth not less than 3.50 mtr deep below ground level with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of GI bus bar of size 200mm x 25mm x 6mm for inter connection with GI earth lead strip 25mm x 4mm/ GI lead and further connected to test point terminal block all as directed. Each earth pit shall include minimum 50 Kg (two bags of 25 Kg each) NABL lab certified Ground Enhancement material/ back fill compound and 6 Kg (tow container of 3 Kg each) NABL lab certified conductive gel (LOHM-EG-03) compound (if reqd) or equivalent for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three parts of mother soil), so as to achieve earth resistance below 3 Ohm including excavation of polypit chamber with polyplastic pit cover, GI lead / GI strip of reqd size within overall quoted rates) complete all as specified and directed by Engineer-in-Charge. Any extra material reqd at site to achieve the result within specified limits, shall be deemed to be included in quoted rates.Earthing Circuit has to be connected/completed as under:1. Main Earthing Circuit/Grid has to be connected with 50X6 mm GI Earth strip of required Length2. Earthing Strip from Earthing Grid to Final Earthing with Equipment/Solar PV Array to be connected with25X4 mm GI Earth Strip as required at site. |
| 94 | H. LIGHTINING PROTECTION FOR SPV ARRAY SYSTEM atStation Gymnasium, Loom Bay and RSD(L) buildingDesign, supply, installation, testing & commissioning of lighting arrestor/ protection system confirming to IS/ IEC-62305 (Part 1 - 4) for roofs at location as planned for above mentioned building numbers at Para(1). The air termination rod/ equipment shall be fixed at the top of GI elevation pole with base so as to be at least two meter above or suitable height as designed from the structure to be protected. Its height above roof level shall be depend upon the level of protection and protection radii required. Earthing conductor GIpipe terminal adaptor havinginner dia 60mm OD. Air termination rod shall be solid copper bonded single spike min dia of 15 mm. Each lightening arrester shall be provided with 02 no of earthing pit with separate chemical earthing or more as per manufacturers specifications.(02 Nos Earthing + 01 Air Termination Rod) MAKE:- OBO/JMV/JEF Techno/Indelec/EricoNotes :(a) The cost of all equipment’s, GI/ AL/ copper strip (as per approved design) upto earth test point and from test point to earthing, LA, etc., shall be deemed to be included in the quoted rates.(b)The cost of sufficient Nos of earthing as per design for lightning protection to be provided is deemed to be included in quoted rates as directed by Engr-in-charge and no extra payment shall be made to the contractor on this account.J. INSTALLATION KIT AND ACCESSORIESCable trays, Lugs, Routing accessories, cables, conduits etc. - 03 LotK. EARTHING CABLECopper PVC Flexible cable 1.1 KV 16 Sqmm , green earthing cable - 90 RML. BALANCE OF SYSTEM (BOS) ITEMS/ COMPONENTS :- The BOS items/ components of the SPV power plants/ systems deployed under this project shall conform to the latest edition of IEC or equivalent BIS Standards/ latest MNRE specifications as on last date of quoting of tender. Any suitable item reqd for satisfactory functioning shall be provided within quoted rates.M. POWER EVACUATION: at Station Gymnasium, Loom Bay and RSD(L) buildingThe Contractor will be responsible for obtaining all permissions as per the procedure of MSEDCL/ SEBsregulatory commission of Maharashtra for evacuation of Power of ON GRID solar system. The cost of the same is to be included in the quoted rates. No additional payment shall be made to the contractor for the same. The contractor must go through latest solar policy of the MEDA/ SEBs, Procedures for evacuation of Power of ON GRID. Charges (as applicable) to be payable to any Department/ SEBs for any ON GRID power evacuation shall be borne by the contractor within overall quoted rates. |
| 95 | N. IRON LADDER for station Gymnasium, Loom Bay and RSD(L) Building at AF Stn Ojhar - 03 Nos”Fabricate and install for each separate roof a aaccess Iron ladder -01 Nos minimum which shall be rust proof fixed access ladder complete with safety cages, intermediate rest platforms, top-landing platforms and fall-arrest rails to enable safe access to rooftop solar PV arrays. For design criteria , material, dimensions and other technical details refer Particular specification. Any other items of Civil / Electrical nature work required for the100KWp, 80KWP and 70 KWp PV plant at different locations shall be included in quoted rate.General Notes:(i) Plants installed in high dust geographies/areas must have the solar modules tested with relevant dust standards (Applicable standard would be IEC 60068-2-68).(ii) Each structure should have angle of inclination as per the site conditions to generate maximum power.(iii) Any damage to the existing roof treatment of any type duringthe Installation of Solar Power System shall be Re-done/made good as per existing treatment. Cost of the same shall be deemed to be included in the unit rate quoted. Nothing extra shall be admissible on this account (iv) Design of Solar Power Plant and structure design suitable for 150 km/hr or as per IS -875 Part-3(2015) which ever is more wind speed shall be approved by NISE/IIT. The complete design and installation and layout of solar roof system be carried out in consonance with MNRE latest guidelines for roof top solar phase and preliminary solar panel direction layout, structure design with Stad pro/ equivalent software and single line diagram be ratified by MNRE empanelled charted Engr/ firm/ consultant.(v)The contractor shall also submit design and calculations for structural and foundation design of the module mounting structure duly considering the wind speed as 150 km/hr or as per IS -875 Part-3(2015) which ever is more and vetted from IIT/NIT or any other Govt institution for approval of GE. The cost of design and all other works shall be deemed included in the quoted rate of the item.(vi)The contractor must visit the site before quoting the rates to assess the site conditions so as to decide up on location and layout of SPV, placement of inverter as per buildings, length of DC cables, AC cables, lightning arresters, earthing, mounting structure etc, complete.(vii)The contractor shall submit complete scheme including electrical diagram of the work, schematic diagram, SPV module layout, location/ placement of LAs, Civil work, etc., complete as per MNRE/ IREDA latest guidelines as applicable, relevant IEC/IS norms to the GE for approval within one month of date of commencement of the work for approval. |
| 96 | (viii) The dimensioned drawing of the site of work clearly marked with all sub systems components etc shall be submitted to GE for approval. which shall be self contained and self explanatory representation of layout of equipment and subsystems.(ix) Schematic diagram of the electrical system. This shall contain specification, size, current, voltage and fault levels rating of all cables, switch gears and instrumentation & control systems and all metering and interlocking etc.All the documents/technical details mentioned above duly vetted as specified above shall be approved by GE. GE may approve the documents as submitted by the Contractor or may suggest modification/alteration in documents/technical specifications duly supported with reasons for the same. The work shall be executed based on the approved documents.(x) The above items shall be quoted and executed on ground based on performace Guarantee basis. The performance Guarantee is related to achieving the 250 KW generation on AC side within specified efficiency and efficacies. The contractor shall also be responsible for desired operational efficacy and desired efficiency of the system during its life cycle of minimum 25 yrs.(xi) Quoted rate shall be inclusive of cost of smooth and efficient functioning of solar plant with comprehensive AMC within DLPfor Period of 02 years from the date of Completion of Work rendering onsite replacement of defective parts for seamless generation.Solar Engineers shall visit the site and service the system once in month and carried out breakdown maintenance like repairing, replacing faulty components, wires etc free of cost. The maintenance service provided by contractor shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. Penalty for achieving less CUF than the annually contracted target wiil be levied on a year-by-year basis. The shortfall in units (calculated based on that year’s specified CUF) will be charged at the prevailing import rate, subject to a maximum penalty of 10% of total units to be generated as per that year’s CUF. During the defect liability period of 24 CalenderMonths from the date of completion, the contractor shall deploya suitable trade man/ technician in consultation & prior approval of GE, for routine maintenance of both the plant as recommended by the manufacturer and for checking functionality of various instruments/ infrastructureprovided under the contract on weekly basis, and to take corrective action (if required any), to ensure continuous generation of solar power to achieve expected output.Trade man/ technician so deployed by contractor shall submit his report to GE on format as decided by GE. contractor shall ensure proper safety norms to be followed |
| 97 | by the workers during maintenance work Contractor shall also ensurecleaning of Solar PV Modules Periodically as per pre-planned schedule, Checking electrical parameter of the installed power plant, any other job other than above indicated jobs shall be covered under warranty ofSolar plant installed and Keeping the area neat and clean free from vegetation’s growth. If during the defect liability period any part/equipment of the solar plant gets damaged or stops functioning, then the same shall be rectified immediately by contractor free of cost ensuring non-stop and smooth functioning of solar plant.(xi) In case non reporting of trade man/ technician on schedule day as decided by GE, a pro-rate (considering 8 hrs of working) recovery shall be double as per the previling govt market rates per day per instance shall be recovered from the performance guarantee/ dues.A proper record of weekly attendances & reports submitted and action taken by trade man/ technician so detailed shall be maintained by the Engr-in-Charge. The rates quoted by the tenderer (s) against item of Sch ‘A’/BOQ shall be deemed to include for above provisions.(xii) Capacity Utilization Factor (CUF) for a solar power plant should be minimum 17% with a degradation at the rate of 0.75% per year(xiii)The Contractor Shall also be responsible forrenewal/replacement of parts fittings/fixtures filling of Solar modules, inverter, mounting structure etc during the defect liability period.Maintenance of log sheet and all maintenance record shall be responsibility of contractor and stationary shall be provided by the Contractor. Format of log sheet and maintenance records etc shall be decided by GE/Engr-In-Charge. Solar Panel water servicing, panel Cleaning, Area cleaning surround the plant room etc shall be the responsibility of contractor.(xiv) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost. |
| 98 | (xv) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate.(xvi) After successful installation contractor should provide final drawing of electrical wiring, test certificates, warranty certificates, manuals to the Engr-in-Charge.(xvii) Supply and Installation of Display board of 6’ X 4’size made of MS 40mm x 40mm square pipe and flexes showing all technical information of SPV plant shall at each location ( Station Gymnasium, Loom Bay and RSD(L) Bldg) be done by the contractor within overall quoted rates. The matter written on the boards shall be finalized with GE.(xviii) After execution of project the contractor will verify generation of electricity as per vetted design and report shall be submitted to deptt during defect liability period.(xix) The quoted rate include the cost of any items which is not specifically mentioned above, but required for satisfactory functioning of the roof top solar power plant. The same shall be provided within overall quoted rates. Nothing extra shal be payable to contractor on this account or any higher specs provided by contractor. In case, capacity as mentioned above of solar roof top for any location changes due to any reason, no claim of contractor shall be entertained on this account.(xx) Training : On successful commissioning of the plant, training shall be provided on plant operation and maintenance to a team (Engineers/ technicians/ operators) as nominated by department for minimum fifteen days.O. ZERO EXPORT DEVICE ANDDG SYNCHRONIZER :at station Gymnasium, Loom Bay and RSD(L) Building at AF Stn Ojhar -03 Nosi) Zero export device shall be included in the solar circuit and DG synchronizer for existing DG set in the system shall be provided and installed at all locations.ii) The quoted rate shall include the installation of zero export device and DG synchronizer for existing DG set in the system. |
| 99 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 95 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 100 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 70 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 101 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 50 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 102 | Material and labour for rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) triple layer hoisted and fixed in position all as specified in SSR Part I of cap 500 Ltrs complete with suitable PCC/ RCC foundation and civil work reqd at site, complete, all as specified and as directed. |
| 103 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 25 mm (1”) bore, complete, all as specified and as directed. |
| 104 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 20 mm (3/4”) bore, complete, all as specified and as directed. |
| 105 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 20mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 106 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 25 mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 107 | Supply and fixing 2 pole openwell submersible pump setsuitable for 50 Hz, single phase A.C. Power supply voltage range 160 to 260 volts, 24.0 meter head , 1.70 litre per seconds discharge , IP 68, cast iron casing, cast iron impeller, motor and shaft stainless steel and power rating 1.1KW/1.5HP or as per manufacturer recommendation complete with copper wireand DOL starter of suitable capacity as per matching capacity of motor including necessary connections to distribution board, complete, all as specified and directed. |
| 108 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting it out in soft/loose soil including forming bottom surface to required level for laying of cables/pipes/poles complete, all as specified and as directed. |
| 109 | Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm deep as in soil complete, all as specified and as directed. |
| 110 | Material and labour for sand cushioning to underground cable with dry sand locally available 8cm thick before laying of the cable and 15cm thick after laying and strectching the cable below the bricks/PCC cover, punning of sand using suitable T&P as per site condition, complete, all as specified and as directed.Note : Punned thickness of sand to be consider for measurement purpose. |
| 111 | Supply and laying un-reinforced pre cast concrete cable coverconfirming to IS:5820 with minimum average breaking load capacity 200 kgs for unreinforced covers, class LV Type 1, flat, size 300mm x 180mm x 40mm complete, all as specified and as directed. |
| 112 | Removing the excavated material n.exc 50M to a distance and depositing where directed at a level n.exc 1.5 M above the starting point complete all as specified and as directed. |
| 113 | Material and labour for cutting existing steel tubing 40/50 mm bore for alteration and addition and screwing existing steel tubing for alteration and additions in postion and insertion of suitable new Tee for taking new connection complete including threading screwing complete all as specified and directed. |
| 114 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 1st Year after date of completion and defect liablity period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 115 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 2nd Year after date of completion of 1stYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 116 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 3rd Year after date of completion of 2 nd Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 117 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 4th Year after date of completion of 3rd Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 118 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 5th Year after date of completion of 4thYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 119 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 6th Year after date of completion of 5th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 120 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 7th Year after date of completion of 6thYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 121 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 250 KWp at GE (AF) Stn Ojhar Complex under HQ CE (AF) Nagpur zone complete all as specified and as directed for period of 8th Year after date of completion of 7th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 122 | (D) PROVISION OF ROOF TOP SOLAR POWER PLANT OF 200 KW AT AFS NAGPUR UNDER GE (AF) NAGPUR(W4) |
| 123 | Design, supply, installation, testing and commissioning of grid connected Roof topsolar photo voltaic power plant without battery for generation capacity of 200 KWp incl comprising of DCR Solar Photo Voltaic panels / Moduleswith anti glare coating , Inverters/PCUs, Module mounting structure, Net meter (as applicable) , Generation meter, Array Junction boxes, DC junction/ distribution boxes, AC junction/ distribution boxes, Solar grade DC copper cables, AC cables, Lightning arrestor, surge arrestor, Earthings, civil RCC/ PCC/ earth work, Ladders, including preliminary and pre-operative charges & ComprehensiveMaintenance charges for 02 years, other plant accessories complete incl miscellaneous items reqd for satisfactory functioning of roof top solar power plant suitable to be installed atbuildings no. (a) SNCO Mess & Complex-50 KWp( Available area -380 sqm), (b) DSC Complex-50KWp(Available area- 370 sqm) (c) Bldg No.332-50 KWp ( Available area -740 sqm)and (d) Fire Section & Security Section-50 KWp ( Available area - 980 sqm). alongwith necessary civil and electrical works required for erection and commissioning of Solar PV plant in accordance with prevaling conditionsatAF Stn Vasusena Nagar, Nagpur (Maharashtra) with fixed type structure andcomprising of following sub-components/sub-systems which shall meet the specifications as given here-in-after and in tender documents completeall as specified and as directed by Engineer-in-Charge:- |
| 124 | A. SOLAR PV MODULESupply and Fixing bi-facial half cut mono-PERCDCR Solar Photovoltaic module shall be MNRE/GOI and ALMM approved having minimum 520 KWp capacity .The PV modules and Solar Cell used should be made in India having efficiency should be minimum 21% andminimum fill factor 75%, temperature co-efficient powershall be equal to or better than - 0.45%/°C.to be used. The rated power of the solar PV module shall have maximum tolerance up to +3%. and no negative tolerance. It shall perform satisfactorily in RH 85% with temperature up to - 40 degree centigrade to + 85 degree Centigrade and should withstand wind resistance on the surface of panel as per max wind speed selected for design.The PV modules used must qualify to the latest edition of IEC standards or equivalent BIS standards, i.e., IEC 61215/IS14286, IEC 61853-Part I/IS 16170-Part I, IEC 61730 Part-1 & Part 2 and IEC 62804 (PID). For the PV modules to be used in a highly corrosive atmosphere throughout their lifetime, they must qualify to IEC 61701/IS 61701. The PV modules shall be equipped with IP 65 or better protection level junction box with required numbers of bypass diodes of appropriate rating and appropriately sized output power cable of symmetric length with MC4 or equivalent solar connectors.PV modules shall be warranted for their output peak watt capacity. All PV modules should have a nominal power output more than 90% at STC during the first Ten years and more than 80% during next 15 years. Further, module shall have nominal power output of more than 97% during the first year of installation.PV Module shall also be in confirmity to latest minimum technical specifications issued by MNRE & IREDA from time to time. DCR Modules should be of MNRE\"s ALMM & IREDA approved companies and as per latest IEC/IS standards.SPV Modules shall be essentially indigeneously manufactured (Made in India) only for the Makes -Havells/ Adani/ Waaree/ Vikram Solar/ LuminousNote :(i) Selection of module power and number of modules shall be according to design based on the available shadow free roof top area & adequate walkway and final selection to be got approved from GE before commencement of work. Adequate number of module to be installed to obtain DC power ouput in KWp.(ii)Each module shall have RFID tag encapsulated/ laminated inside glass.Following information must be mentioned in RFID tag |
| 125 | (a) Name of Manufacturer of SPV Module(b) Name of Manufacturer of Solar Cell(c) Month and year of Manufacturing (seperately for solar cell and module)(d) Country of Origin for solar cell and module(e) Peak wattage, Im, Vm,Vsc,Isc and fill factor of the module(f) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate(g) Unique serial no and model no of module(h) IV curve of module(j) Date and Year of obtaining IEC PV module qualification certificate(k) Name of test lab issuing IEC certificate(l) Other relevant information on traceability of solar cells and modules as per ISO 9001 and ISO 14001.B. MODULE MOUNTING STRUCTURE (MMS) at SNCO Mess & Complex, DSC Complex, Bldg No.332 and Fire Section & Security SectionDesign, supply/ procure, fixing, module mounting & support structure made of Hot rolled galvanized steel ( Grade : S390GD(EN 10346) with min 80 micron thickness zinc coating/galvanization as per relevant IS code .The structure shall be non corrosive and tilted at an angle suitable to obtain peak output power at site from the available solar radiation.The frames consists of channels, purlin ,plares, columns etc includingleg assemblies of array structute.Necessary RCC foundation (as applicable) and associated iron work cutting, drilling, welding, jointing, grouting, PCC/ RCC filling, dispoing waste material, etc., complete and fixing mounting arrangement suitable for SPV modules so as it can withstand wind speed of 150 Km per hour or as per IS -875 Part-3(2015) which ever is more. The mounting structure is to be installed at RCC Roofs (as existing at site) and the array structure has to be so designed that maximum load is directly on roof beams and columns to avoid any affect on life & strength of structure. It shall also occupy minimum space without sacrificing the output of SPV panels & adequate space between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, mounting structure including module mounting structure shall have to be adequately protected from the atmosphere and weather prevailing in the area. All the fasteners, nut, bolts shall be of Stainless Steel of grade SS 304 or hot dip galvanized and panel mounting clamps shall be of aluminium and must sustain the adverse climatic conditions. Module mounting structure may require to customize |
| 126 | with respect to the site availability and in case,if any water tank is present on the roof, then mounting structure height should be more than 1.5 feet (min) above the water tank height so that space of water tank should be fully utilized for installation of PV module and to avoid any shadow of water tanks on modules. The base columns shall be made with pre-cast cement concrete with min M25 Grade (1:1:2) as per design based on site related data which shall be done by contractor at his own cost. The contractor quoted rates shall be deemed to inclusive of all civil works for mounting structure and its foundation including roof treatment after grouting and civil works to prevent seepage and damage to roof structure. Contractor to submit structural design and drawings duly vetted by professor of IIT/NIT or by govt institute authorized by MNRE or NISE. Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts, and bolts .Adequate spacing shall be provided between two panel frames and rows of panels to facilitate personnel protection, ease of installation, replacement, cleaning of panels and electrical maintenance.Note: (i) The contractor shall submit structural design on Stad-Pro based or equivalent software on wind load150 kmph or as per IS -875 Part-3(2015) which ever is more, live load and dead load of structure with solar panel & seismic zone, wind speed zone of Nagpur( Maharashtra). Any deflection to the mounting structure shall be as per IS 800:2007. Structural design of the mounting structure should be carried out by a consultant/ company approved by the GE. The height of Roof top MMS shall be as per latest MNRE & IREDA guidelines for ease in maintenance.(ii) The structure shall be designed to withstand operating environmental conditions for a period of minimum 25 years. (iii) Any damage done to water proofing/ Roof structure during installation shall be made good by the contractor at no extra cost. Water Leak Protection has to be ensured with Pure Epoxy Resin based chemical anchoring system, wherever damage to structure occurs.(iv) MMS steel shall be as per latest IS 2062: 2011 and galavnization of mounting structure shall be in compliance of IS 4759.(v) The PV array structure design shall be appropriate with a factor of safety 1.5 min or higher factor of safety.(vi) Two numbers of anti theft fastners of Stainless Steel on two diagonally opposite corners of each module shall be provided. |
| 127 | C.POWER CONDITIONING UNIT(PCU)/SOLAR GRID TIEDSTRING INVERTER at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security SectionDesign, supply, installation, testing and commissioning 3 phase PCU/ string inverters - of matching capacity with total SPV wattage of appropriate capacity as per site/ design approved of suitable capacity200KWAC (nominal power), suitable to convert DC power of installed Solar PV module/ array in to AC power output for planned building mentioned under Para(1), for further feeding to grid ,if required, confirming to IEC:61683/ IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2 (1,2,14 & 30)/IEC : 62093 (as applicable)/ equivalent BIS standard for efficiency, for safety and for reliability. The inverters shall consist ofdata loggers for monitoring of solar power generation and solar meters of suitable specification to be installed for complete/ utilization of solar power generated on grid with in the desired location only.The inverter should have MODBUS, PROFIBUS, ETHERNET common ports.PCU must have the feature to work in tandem with other similar PCUs and be able to be successively switched ON and OFF automatically based on solar radiation variations during the day.There should not be any clipping/ scalping losses due to incorrect DC/AC ratio cap selection of Inverter.The PCU/ inverter shall have an overloading capacity of minimum 10%.The output power factor of the inverter should be suitable for all voltage ranges or sink of reactive power, the inverter should have internal protection arrangement against any sustain fault in the feeder line and against the lightning on the feederMonolithic design of inverter is not permitted.Make:- HAVELLS/SUNGROW/ GROWATT/ POLYCAB or equivalent make same as the make of PV Panels as approved by GE.General Features of Solar Grid tied Inverter:(a) Standby operation consumption (at night) : < 2 W(b) No load losses: Less than 1% of rated power(c) Allowable Relative Humidity rage : 0 ~ 100 %(d) Ambient temperature range : - 25 degree centigrade to 60 degree centigrade(e) Active power Adjustable range : 0 ~ 100 %(f) Topology : Transformerless(g) Integrated DC switch : Yes |
| 128 | (h) Protection : The inverter should have provisions of Galvanic isolation, anti-islanding protection (IEEE 1547/UL 1741) equivant IS, DC Reverse Polarity protection, Output overcurrent & output over voltage protection, ground fault monitoring, grid monitoring, AC and DC short circuit current and over current, AC and DC over voltage and over temperature protection., AC & DC Surge protection, prevent lightning damage etc(j) Ingress Protection : IP 65 or better(k)Remote Monitoring : Wifi/ GPRS/ RS 485 as necessitated by site conditions & directed by GE. Web based monitoring with historical data storage for analysis(l) Display: LED(m) Warranty : 5 years Min(n) The inverter shall adjust voltage and frequency levels to suit the grid.(o) The inverter shall be self commulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronise maximum within one minute or less time.(p) Maximum Power Point Tracker (MPPT) shall be integrated in the inverter/ PCU to maximize energy drawn from the array. Charge controller (if any)/ MPPT units environmental testing should qualify IEC 60068-2 (1,2,14,30)/ Equivalent BIS standard.(q)The inverter shall have suitable nos of protected inputs (as per design) and outgoing shall be protected by ACB/MCCB.(r ) All inverters/PCUs shall be IEC 61000 compliant for electromagnetic compatibility, harmonics, Surge, etc.(s)The inverter shall include appropriate self protection and self diagnostic feature to protect itself and the PV array from the damage in the event of inverter component failure or any deviation of parameters beyond the inverters safe operating range due to internal and/ or external causes. Inverter shall have protection arrangement against ground leakage faults, over voltage, (SPD) & over current. Inverter shall have arrangement for adjustment for adjusting DC input current and shall trip against sustainable fault down stream and shall not restart till fault is rectified.(t)Typical technical features of the inverter shall be as follows i). Switching devices: IGBT/MOSFETii). Control: Microprocessor/DSP iii). Nominal AC output voltage and frequency: as per CEA/State regulations iv). Output frequency: 50 Hz |
| 129 | v). Grid Frequency Synchronization range: as per CEA/State Regulations vi). Ambient temperature considered: -20°C to 60°C vii). Humidity: 95 % Non-condensing viii. Protection of Enclosure: IP-54 (Minimum) for indoor and IP-65(Minimum) for outdoor.ix). Grid Frequency Tolerance range: as per CEA/State regulations x). Grid Voltage tolerance: as per CEA/State Regulations xi. No-load losses: Less than 1% of rated power xii). Inverter efficiency (Min.): >93% (In case of 10 kW or above with in-built galvanic isolation) >97% (In case of 10 kW or above without inbuilt galvanic isolation)xiii). THD: < 3% xv. PF: > 0.9 (lag or lead) xiv). Should not inject DC power more than 0.5% of full rated output at the interconnection point and comply with IEEE 519.(u) Invertor should provide remote monitoring system for accessing following parameters viz grid voltage and frequency, DC voltage and power from solar panels, inverter output power, and the total energy produced (Daily , Monthly , qtrly ,Half Annually and Yearly). Additionally, parameters like load power (consumption), and system status (e.g., \"run\" or fault codes) etc..Web based or app based system to display these parameter with cyber security encription for remote monitering of theses parameter to be be provided by OEM.The input DC & output AC technical specification of Inverter are as under :-.Input(DC)(a) Max input Voltage : 1100 V(b) Rated Input Voltage : 600 V(c) Start-up input voltage : 200 V(d) Operating input DC voltage range : 300 - 950 V(e) No of independent MPPT : Must be suitable to accommodate installed DC SPV array & their cap. Min 2 to 10 (as per approved design based on No of array strings) |
| 130 | (f) MPPT operating voltage range : 180 - 960 V(g) Max input DC Current : As per approved array string design(h) Maximum input short circuit current : As technically reqd & Suitable as per approved array string design(j) No of Protected DC inputs/ strings : 6 to 20 (as per approved design based on No of array strings)Output (AC)(a) AC grid connection type : 3/N/PE(b) Rated Power at unity PF: Suitable for SPV DC cap installed at building.(c) Max AC output power : 110% of rated power(d) Max AC output Apparent power : As per Inverter rated output(e) Max AC output Current : As per Inverter rated output(f) Max AC fault current : As per Inverter rated output(g) Nominal Output Voltage : 415 V(h) Grid Output voltage range : According to SEB standard(j) Rated Grid Frequency : 50 Hz(k) Output Frequency : 50 Hz ± 3Hz(l) Power factor : > 0.9 (Lag or lead)(m) Thermal Harmonic Distortion i (THDi) : < 3%(n) MPPT Efficiency : > 99%(o) EU efficiency : 97.5%(p) No of Protected DC inputs All the Inverters should contain the following clear and indelible Marking Label Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with: (i) The name or trademark of the manufacturer or supplier. (ii)A model number, name, or other means to identify the equipment, |
| 131 | (iii) A serial number, code or other marking allowing identification of manufacturing location and the manufacturing batch or date within a twelve-month time. (iv) Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current foreach input. (v) Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current and for a.c. outputs, either the power or power factor for each output. (vi) The Ingress Protection (IP) rating D.DC DISTRIBUTION / ARRAY JUNCTION BOXESSupply and Fixing DC junction boxes of suitable capacity, rating & Nos (as per design approved)/ OEM recommendations having suitably rated inputs and output terminals having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plastic with IP 65 protection or better standard in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and suitable arrangement for earthing connections as per relevant standard. Make:MNRE/GOI approved.The junction box shall have suitable arrangement of the following :-(a) The strings are required to be connected to the copper bus bar/ switch gear through individual fuses(b) Provide arrangement for disconnection (DC dis-connection switch) for each string/SJB/ SCB.(c) Provide a test point for each sub group for quick fault location and to provide group array isolation(d) Each array box shall be of relevant IEC standard/ IS standard. |
| 132 | (e)The incomming and outgoing cables from box, panel shall be properly sealed through proper glands.(f) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V or system voltage as approved designed with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard.E. AC DB PANEL atSNCOs Mess & Complex, DSC Complex, Bldg No.332 and Fire section & Security section- 04 Nos”.AC Disconnect switch (MCCBs) shall be of matching capacity as per inverter rating . Make:- Schneider/Siemens/ABB/L&T/Havells or equivalent as approved by GE for each location. ACDB Panel of suitable rating (Inverter AC capacity) shall be provided for interconnection of Solar Power Plant with proposed LT Panels near existing transformer and further connected to grid. Each ACDB shall be made of CRCA sheetof appropriate 2 mm thick duly Powder Coated as per colour approved by the GE . It shall bedust, water & vermin proof arrangement with IP 56 protection .Make:-Schneider/Siemens/ABB/L&T/Havellsor equivalent as approved by GE. Each ACDB shall comprise of following:(i) 3 Phase 4 wire Aluminum Bus Bars shall be the 1.5 times of the incoming MCCB rating(ii) Intelligent Panel meter to measure voltage, current, frequency, power factoretc with all connected CTs of each breakers(iii) 4 P MCCB 415 V,36 kA (ICS=ICU=ICW for 1 Sec) of suitable rating matching with inverter AC output, withadjustable thermal and magnetic releasetype for overload protection and short circuit protection 02 Nos as incomer and outgoing(iv) LED Indicating Lamps for each phase with colour code Red Yellow Blue for R, Y and B Phases for each breakersNote : Each ACDB shall be made of CRCA sheetof appropriate thickness duly Powder Coated as per colour approved by the GE.dust, water & vermin proof arrangement with IP 56 protection with transparent covers.Make:- Havells or equivalent as approved by GE. |
| 133 | F. DC CABLE AND AC CABLE at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security SectionThe contractor shall submit design calculations to deptt for selection of suitable size DC cables and AC cables to ensure voltage drop less than 2 %. The electric cables for DC system for rated voltage of 1500 V. Cables shall have operating range of -10 degree centigrade to + 80 degree centigrade. DC side cables shall be EBXL XLPO ZH-FRLS type having multistranded, annealed tinned high conductivity copper conductor 1.5 kV rated. The min size of DC cable shall not be less 6 Sqmm and shall confirm to IEC 62930/ or equivaent IEC/ IS standard for solar cables/ cables for roof top solar photo voltaic system. The AC cables (Inverter to ACDB) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, copper conductor of suitable size,(max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses. Further, AC cables (ACDB to LT panel) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, Aluminium conductor of suitable size (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses and shall be as under :-(a) All cables and connectors for use of installation shall be of Solar grade which can withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years min and voltage as per latest IEC/ IS.(b) All the cables / wires shall be provided with UV resistant printed ferrules for DC side.(c) The size of the DC cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 2%.(d) Cable batch No, IEC/IS code/ applicable standard and size and make shall be metioned on every one meter or as per OEM practice/ IS standard.(e) AC Cable of suitable rating, size and type from output of solar inverter to nearest LT panel deemed to be included in quoted rates. The contractor shall submit design with voltage drop calculations and take approval from deptt before start of work.4 Core XLPE Alcable of suitable size, max Current capacity to cable shall be 150% of actual current to be carried ( inveter to ACDB),1.1 KV grade, vd<3(f)The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size.(g) The cost of interconnecting DC Copper/ Aluminium cable/ wires( as mentioned above) suitable GI cable trays, Rigid PVC/ GI pipes, ties and earth work for trenches, suitable to accommodate Solar grade cables from SPV module upto inverters and inverters to AC supply panel are deemed to be included in the quoted rates |
| 134 | (h) The DC cables shall be provided with superior quality MC 4 connectors, Y connectors to ensure long life and ferrules for ease in fault tracing.Make of DC cable : Havells/Siechem/Polycab/KEIMake of AC cable : Havells/Finolex/Polycab/KEIG. EARTHING PROTECTION at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security Section.The contractor shall provide suitable Nos of Earthings for protection of DC electric supply system board and module mounting structure separately as per approved design. Earthing for Inverters, AC distribution board, lightning protection shall also be provided for safety and deemed to be included in quoted rates for all locations. The specs of Earthing shall be as under:-Supply, installation, testing of 02 Nos of maintenance free safe chemical earthing system complete with 01 Number UL 467 approved/ CPRI tested copper bonded (earth rod with 250 microns of copper cladding) earth rod 17.2mm dia 3000mm long electrode buried in ground to bore holes 120mm dia, vertically to a depth not less than 3.50 mtr deep below ground level with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of GI bus bar of size 200mm x 25mm x 6mm for inter connection with GI earth lead strip 25mm x 4mm/ GI lead and further connected to test point terminal block all as directed. Each earth pit shall include minimum 50 Kg (two bags of 25 Kg each) NABL lab certified Ground Enhancement material/ back fill compound and 6 Kg (tow container of 3 Kg each) NABL lab certified conductive gel (LOHM-EG-03) compound (if reqd) or equivalent for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three parts of mother soil), so as to achieve earth resistance below 3 Ohm including excavation of polypit chamber with polyplastic pit cover, GI lead / GI strip of reqd size within overall quoted rates) complete all as specified and directed by Engineer-in-Charge. Any extra material reqd at site to achieve the result within specified limits, shall be deemed to be included in quoted rates.Earthing Circuit has to be connected/completed as under:1. Main Earthing Circuit/Grid has to be connected with 50X6 mm GI Earth strip of required Length2. Earthing Strip from Earthing Grid to Final Earthing with Equipment/Solar PV Array to be connected with25X4 mm GI Earth Strip as required at site. |
| 135 | H. LIGHTINING PROTECTION FOR SPV ARRAY SYSTEM at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security Section -04 NosDesign, supply, installation, testing & commissioning of lighting arrestor/ protection system confirming to IS/ IEC-62305 (Part 1 - 4) for roofs at location as planned for above mentioned building numbers at Para(1). The air termination rod/ equipment shall be fixed at the top of GI elevation pole with base so as to be at least two meter above or suitable height as designed from the structure to be protected. Its height above roof level shall be depend upon the level of protection and protection radii required.Earthing conductor GIpipe terminal adaptor havinginner dia 60mm OD.Air termination rod shall be solid copper bonded single spike min dia of 15 mm. Each lightening arrester shall be provided with 02 no of earthing pit with separate chemical earthig or more as per manufacturers specifications.(02 Nos Earthing + 01 Air Termination Rod) MAKE:- OBO/JMV/JEF Techno/Indelec/EricoNotes : (a) The cost of all equipments, GI/ AL/ copper strip (as per approved design) upto earth test point and from test point to earthing, LA, etc., shall be deemed to be included in the quoted rates.(b)The cost of sufficient Nos of earthing as per design for lightning protection to be provided is deemed to be included in quoted rates as directed by Engr-in-charge and no extra payement shall be made to the contractor on this account. |
| 136 | J. INSTALLATION KIT AND ACCESSORIESCable trays, Lugs, Routing accessories, cables, conduits etc. - 04 LotK. EARTHING CABLECopper PVC Flexible cable 1.1 KV 16 Sqmm , green earthing cable - 120 RML.BALANCE OF SYSTEM (BOS) ITEMS/ COMPONENTS :- The BOS items/ components of the SPV power plants/ systems deployed under this project shall conform to the latest edition of IEC or equivalent BIS Standards/ latest MNRE specifications as on last date of quoting of tender. Any suitable item reqd for satisafactory functioning shall be provided within quoted rates.M. POWER EVACUATION: at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security SectionThe Contractor will be responsible for obtaining all permissions as per the procedure of MSEDCL,MAHAGENCO,MEDA and Electricity Regulatory Commission of Maharashtra for evacuation of Power of ON GRID solar system. The cost of the same is to be included in the quoted rates. No additional payment shall be made to the contractor for the same. The contracor must go through latest solar policy of the MEDA/ SEBs, Procedures for evacuation of Power of ON GRID. Charges (as applicable) to be payable to any Department/ SEBs for any ON GRID power evacuation shall be borne by the contractor within overall quoted rates.N. Fabricate and install for each separate roofaaccess Iron ladder -01 Nos minimum which shall be rust proof fixed access ladder complete with safety cages, intermediate rest platforms, top-landing platforms and fall-arrest rails to enable safe access to rooftop solar PV arrays. For design criteria , material, dimensions and other technical details refer Particular specification. Any other items of Civil / Electrical nature work required for the50KWp 4 X 4PV plant at different locations shall be included in quoted rate. |
| 137 | General Notes:(i) Plants installed in high dust geographies/areas must have the solar modules tested with relevant dust standards (Applicable standard would be IEC 60068-2-68).(ii) Each structure should have angle of inclination as per the site conditions to generate maximum power.(iii) Any damage to the existing roof treatment of any type during the Installation of Solar Power System shall be Re-done/made good as per existing treatment. Cost of the same shall be deemed to be included in the unit rate quoted. Nothing extra shall be admissible on this account(iv) Design of Solar Power Plant and structure design suitable for 150 km/hr or as per IS -875 Part-3(2015) which ever is more wind speed shall be approved by NISE/IIT. The complete design and installation and layout of solar roof system be carried out in consonance with MNRE latest guidelines for roof top solar phase and preliminary solar panel direction layout, structure design with Stad pro/ equivalent software and single line diagram be ratified by MNRE empanelled charted Engr/ firm/ consultant.(v)The contractor shall also submit design and calculations for structural and foundation design of the module mounting structure duly considering the wind speed as 150 km/hr or as per IS -875 Part-3(2015) which ever is more and vetted from IIT/NIT or any other Govt institution for approval of GE. The cost of design and all other works shall be deemed included in the quoted rate of the item.(vi)The contractor must visit the site before quoting the rates to assess the site conditions so as to decide up on location and layout of SPV, placement of inverter as per buildings, length of DC cables, AC cables, lightning arresters, earthing, mounting structure etc, complete.(vii)The contractor shall submit complete scheme including electrical diagram of the work, schematic diagram, SPV module layout, location/ placement of LAs, Civil work, etc., complete as per MNRE/ IREDA latest guidelines as applicable, relevant IEC/IS norms to the GE for approval within one month of date of commencement of the work for approval(viii) The dimensioned drawing of the site of work clearly marked with all sub systems components etc shall be submitted to GE for approval. which shall be self contained and self explanatory representation of layout of equipment and subsystems.(ix) Schematic diagram of the electrical system. This shall contain specification, size, current, voltage and fault levels rating of all cables, switch gears and instrumentation & control systems and all metering and interlocking etc. All the documents/technical details mentioned above duly vetted as specified above shall be approved by GE. GE may approve the documents as submitted by the Contractor or may suggest modification/alteration in documents/technical specifications duly supported with reasons for the same. The work shall be executed based on the approved documents. |
| 138 | (x) The above items shall be quoted and executed on ground based on performace Guarantee basis. The performance Guarantee is related to achieving the 200 KW generation on AC side within specified efficiency and efficacies. The contractor shall also be responsible for desired operational efficacy and desired efficiency of the system during its life cycle of minimum 25 yrs.(xi) Quoted rate shall be inclusive of cost of smooth and efficient functioning of solar plant with comprehensive AMC within DLPfor Period of 02 years from the date of Completion of Work rendering onsite replacement of defective parts for seamless generation.Solar Engineers shall visit the site and service the system once in month and carried out breakdown maintenance like repairing, replacing faulty components, wires etc free of cost. The maintenance service provided by contractor shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. ( Penalty for achieving less CUF than the annually contracted target wiil be levied on a year-by-year basis. The shortfall in units (calculated based on that year’s specified CUF) will be charged at the prevailing import rate, subject to a maximum penalty of 10% of total units to be generated as per that year’s CUF). During the defect liability period of 24 Calender Months from the date of completion, the contractor shall deploy a suitable trade man/ technician in consultation & prior approval of GE, for routine maintenance of both the plant as recommended by the manufacturer and for checking functionality of various instruments/ infrastructureprovided under the contract on weekly basis, and to take corrective action (if required any), to ensure continuous generation of solar power to achieve expected output.Trade man/ technician so deployed by contractor shall submit his report to GE on format as decided by GE. contractor shall ensure proper safety norms to be followed by the workers during maintenance work Contractor shall also ensurecleaning of Solar PV Modules Periodically as per pre-planned schedule, Checking electrical parameter of the installed power plant, any other job other than above indicated jobs shall be covered under warranty ofSolar plant installed and Keeping the area neat and clean free from vegetations growth. If during the defect liability period any part/equipment of the solar plant gets damagedor stops functioning, then the same shall be rectified immediately by contractor free of cost ensuring non-stop and smooth functioning of solar plant.(xii) In case non reporting of trade man/ technician on schedule day as decided by GE, a pro-rate (considering 8 hrs of working) recovery shall be double as per the previling govt market rates per day per instance shall be recovered from the performance guarantee/ dues.A proper record of weekly attendances & reports submitted and action taken by trade man/ technician so detailed shall be maintained by the Engr-in-Charge. The rates quoted by the tenderer (s) against item of Sch ‘A’/BOQ shall be deemed to include for above provisions. |
| 139 | (xiii) Capacity Utilization Factor (CUF) for a solar power plant should be minimum 17% with a degradation at the rate of 0.75% per year(xiv)The Contractor Shall also be responsible forrenewal/replacement of parts fittings/fixtures filling of Solar modules, inverter, mounting structure etc during the defect liability period.Maintenance of log sheet and all maintenance record shall be responsibility of contractor and stationary shall be provided by the Contractor. Format of log sheet and maintenance records etc shall be decided by GE/Engr-In-Charge. Solar Panel water servicing, panel Cleaning, Area cleaning surround the plant room etc shall be the responsibility of contractor.(xv) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost.(xvi) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate.(xvii) After successful installation contractor should provide final drawing of electrical wiring, test certficates, warranty certificates, manuals to the Engr-in-Charge.(xviii) Supply and Installation of Display board of 6’ X 4’size made of MS 40mm x 40mm square pipe and flexes showing all technical information of SPV plant shall at each location at SNCO Mess & Complex, DSC Complex,Bldg No.332 and Fire Section & Security Section -04 Nos be done by the contractor within overall quoted rates.The matter written on the boards shall be finalized with GE.(xix) After execution of project the contractor will verify generation of electricity as per vetted design and report shall be submitted to deptt during defect liability period.(xx) The quoted rate include the cost of any items which is not specifically mentioned above, but required for satisfactory functioning of the roof top solar power plant. The same shall be provided within overall quoted rates. Nothing extra shal be payable to contractor on this account or any higher specs provided by contractor.In case, capacity as mentioned above of solar roof top for any location changes due to any reason, no claim of contractor shall be entertained on this account.(xxi) Training : On successful commissioning of the plant, training shall be provided on plant operation and maintenance to a team (Engineers/ technicians/ operators) as nominated by department for minimum fifteen days.P.EXPORT DEVICE ANDSYNCHRONIZER :at SNCOs Mess & Complex, DSC Complex, Bldg No.332 and Fire section & Security section- 04 Nos Zero export device shall be included in the solar circuit and DG synchronizer for existing DG set in the system shall be provided and installed at all locations |
| 140 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 35 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 141 | Material and labour for rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) triple layer hoisted and fixed in position all as specified in SSR Part I of cap 500 Ltrs complete with suitable PCC/ RCC foundation and civil work reqd at site, complete, all as specified and as directed. |
| 142 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 25 mm (1”) bore, complete, all as specified and as directed. |
| 143 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 20 mm (3/4”) bore, complete, all as specified and as directed. |
| 144 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 20mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 145 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 25 mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 146 | Supply and fixing 2 pole openwell submersible pump setsuitable for 50 Hz, single phase A.C. Power supply voltage range 160 to 260 volts, 24.0 meter head , 1.70 litre per seconds discharge , IP 68,cast iron casing, cast iron impeller, motor and shaft stainless steel and power rating 1.1KW/1.5HP or as per manufacturer recommendation complete with copper wireand DOL starter of suitable capacity as per matching capacity of motor including necessary connections to distribution board, complete, all as specified and directed. |
| 147 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting it out in soft/loose soil including forming bottom surface to required level for laying of cables/pipes/poles complete, all as specified and as directed. |
| 148 | Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm deep as in soil complete, all as specified and as directed. |
| 149 | Material and labour for sand cushioning to underground cable with dry sand locally available 8cm thick before laying of the cable and 15cm thick after laying and strectching the cable below the bricks/PCC cover, punning of sand using suitable T&P as per site condition, complete, all as specified and as directed.Note : Punned thickness of sand to be consider for measurement purpose. |
| 150 | Supply and laying un-reinforced pre cast concrete cable coverconfirming to IS:5820 with minimum average breaking load capacity 200 kgs for unreinforced covers, class LV Type 1, flat, size 300mm x 180mm x 40mm complete, all as specified and as directed. |
| 151 | Removing the excavated material n.exc 50M to a distance and depositing where directed at a level n.exc 1.5 M above the starting point complete all as specified and as directed. |
| 152 | Material and labour for cutting existing steel tubing 40/50 mm bore for alteration and addition and screwing existing steel tubing for alteration and additions in postion and insertion of suitable new Tee for taking new connection complete including threading screwing complete all as specified and directed. |
| 153 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 1st Year after date of completion and defect liability period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 154 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 2nd Year after date of completion of 1stYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 155 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 3rd Year after date of completion of 2ndYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 156 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 4th Year after date of completion of 3rdYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 157 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 5th Year after date of completion of 4thYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 158 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 6th Year after date of completion of 5th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 159 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 7th Year after date of completion of 6thYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 160 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 200 KWp at GE(AF) Nagpur Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 8thYear after date of completion of 7th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 161 | (E) PROVISION OF ROOF TOP SOLAR POWER PLANT OF 100 KW AT AFS MANAURI UNDER AGE (I) MANAURI(W5) |
| 162 | Design, supply, installation, testing and commissioning of grid connected Roof topsolar photo voltaic power plant without battery for generation capacity of 100 KWp including comprising of DCR Solar Photo Voltaic panels / Moduleswith anti glare coating , Inverters/PCUs, Module mounting structure, Net meter (as applicable) , Generation meter, Array Junction boxes, DC junction/ distribution boxes, AC junction/ distribution boxes, Solar grade DC copper cables, AC cables, Lightning arrestor, surge arrestor, Earthings, civil RCC/ PCC/ earth work, Ladders, including preliminary and pre-operative charges & ComprehensiveMaintenance charges for 02 years, other plant accessories complete including miscellaneous items required for satisfactory functioning of roof top solar power plant suitable to be installed atbuildings no. P-264- 100KWp ( Available area 1500 sqm) alongwith necessary civil and electrical works required for erection and commissioning of Solar PV plant in accordance with prevailing conditionsat Manauri AF Stn Prayagraj (UP) with fixed type structure andcomprising of following sub-components/sub-systems which shall meet the specifications as given here-in-after and in tender documents completeall as specified and as directed by Engineer-in-Charge:- |
| 163 | A. SOLAR PV MODULESupply and Fixing bi-facial half cut mono-PERCDCR Solar Photovoltaic module shall be MNRE/GOI and ALMM approved having minimum 520 KWp capacity.The PV modules and Solar Cell used should be made in India having efficiency should be minimum 21% andminimum fill factor 75%, temperature co-efficient powershall be equal to or better than - 0.45%/°C.to be used. The rated power of the solar PV module shall have maximum tolerance up to +3%. and no negative tolerance. It shall perform satisfactorily in RH 85% with temperature up to - 40 degree centigrade to + 85 degree Centigrade and should withstand wind resistance on the surface of panel as per max wind speed selected for design. The PV modules used must qualify to the latest edition of IEC standards or equivalent BIS standards, i.e., IEC 61215/IS14286, IEC 61853-Part I/IS 16170-Part I, IEC 61730 Part-1 & Part 2 and IEC 62804 (PID). For the PV modules to be used in a highly corrosive atmosphere throughout their lifetime, they must qualify to IEC 61701/IS 61701. The PV modules shall be equipped with IP 65 or better protection level junction box with required numbers of bypass diodes of appropriate rating and appropriately sized output power cable of symmetric length with MC4 or equivalent solar connectors. PV modules shall be warranted for their output peak watt capacity. All PV modules should have a nominal power output more than 90% at STC during the first Ten years and more than 80% during next 15 years. Further, module shall have nominal power output of more than 97% during the first year of installation. PV Module shall also be in conformity to latest minimum technical specifications issued by MNRE & IREDA from time to time. DCR Modules should be of MNRE\"s ALMM & IREDA approved companies and as per latest IEC/IS standards. SPV Modules shall be essentially indigenously manufactured (Made in India) only for the Makes -Havells/ Adani/ Waaree/ Vikram Solar/ LuminousNote :(i) Selection of module power and number of modules shall be according to design based on the available shadow free roof top area & adequate walkway and final selection to be got approved from GE before commencement of work. Adequate number of module to be installed to obtain DC power ouput in KWp.(ii) Each module shall have RFID tag encapsulated/ laminated inside glass. Following information must be mentioned in RFID tag(a) Name of Manufacturer of SPV Module(b) Name of Manufacturer of Solar Cell(c) Month and year of Manufacturing (seperately for solar cell and module) |
| 164 | (d) Country of Origin for solar cell and module(e) Peak wattage, Im, Vm,Vsc,Isc and fill factor of the module(f) Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate(g) Unique serial no and model no of module(h) IV curve of module(j) Date and Year of obtaining IEC PV module qualification certificate(k) Name of test lab issuing IEC certificate(l) Other relevant information on traceability of solar cells and modules as per ISO 9001and ISO 14001.B. MODULE MOUNTING STRUCTURE (MMS)Design, supply/ procure, fixing, module mounting & support structure made of Hot rolled galvanized steel ( Grade : S390GD(EN 10346 with min 80 micron thickness zinc coating/galvanization as per relevant IS code .The structure shall be non-corrosive and tilted at an angle suitable to obtain peak output power at site from the available solar radiation. The frames consists of channels, purlin , plates, columns etc includingleg assemblies of array structute. Necessary RCC foundation (as applicable) and associated iron work cutting, drilling, welding, jointing, grouting, PCC/ RCC filling, disposing waste material, etc., complete and fixing mounting arrangement suitable for SPV modules so as it can withstand wind speed of 150 Km per hour or as per IS -875 Part-3(2015) which ever is more. The mounting structure is to be installed at RCC Roofs (as existing at site) and the array structure has to be so designed that maximum load is directly on roof beams and columns to avoid any affect on life & strength of structure. It shall also occupy minimum space without sacrificing the output of SPV panels & adequate space between the arrays shall be available for easy cleaning and maintenance. Nuts, bolts, mounting structure including module mounting structure shall have to be adequately protected from the atmosphere and weather prevailing in the area. All the fasteners, nut, bolts shall be ofStainless Steel of grade SS 304 or hot dip galvanized and panel mounting clamps shall be of aluminium and must sustain the adverse climatic conditions. Module mounting structure may require to customize with respect to the site availability and in case, if any water tank is present on the roof, then mounting structure height should be more than 1.5 feet (min) above the water tank height so that space of water tank should be fully utilized for installation of PV module and to avoid any shadow of water tanks on modules.The base columns shall be made with pre-cast cement concrete with min M25 Grade (1:1:2) as per design based on site related data which shall bedone by contractor at his own cost.The contractor quoted rates |
| 165 | shall be deemed to inclusive of all civil works for mounting structure and its foundation including roof treatement after grouting and civil works to prevent seepage and damage to roof structure. Contractor to submitt structural design and drawings duly vetted by professor of IIT/NIT or by govt institute authorized by MNRE or NISE.Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts, and bolts . Adequate spacing shall be provided between two panel frames and rows of panels to facilitate personnel protection, ease of installation, replacement, cleaning of panels and electrical maintenance.Note: (i) The contractor shall submit structural design on Stad-Pro based or equivalent software on wind load 150 Km per hour or as per IS -875 Part-3(2015) which ever is more live load and dead load of structure with solar panel & seismic zone,wind speed zone of Prayagra (UP). Any deflection to the mounting structure shall be as per IS 800:2007. Structural design of the mounting structure should be carried out by a consultant/ company approved by the GE. The height of Roof top MMS shall be as per latest MNRE & IREDA guidelines for ease in maintenance.(ii) The structure shall be designed to withstand operating environmental conditions for a period of minimum 25 years. (iii) Any damage done to water proofing/ Roof structure during installation shall be made good by the contractor at no extra cost. Water Leak Protection has to be ensured with Pure Epoxy Resin based chemical anchoring system, wherever damage to structure occurs.(iv) MMS steel shall be as per latest IS 2062: 2011 and galavnization of mounting structure shall be in compliance of IS 4759.(v) The PV array structure design shall be appropriate with a factor of safety 1.5 min or higher factor of safety.(vi) Two numbers of anti theft fastners of Stainless Steel on two diagonally opposite corners of each module shall be provided.C.POWER CONDITIONING UNIT(PCU)/SOLAR GRID TIEDSTRING INVERTERDesign, supply, installation, testing and commissioning 3 phase PCU/ string inverters - of matching capacity with total SPV wattage of appropriate capacity as per site/ design approved of suitable capacity as given 100KWAC (nominal power), suitable to convert DC power of installed Solar PV module/ array in to AC power output for planned building mentioned under Para(1), for further feeding to grid ,if required, confirming to IEC:61683/ IS 61683, IS 16221 (Part 2), IS 16169 and IEC 60068-2 (1,2,14 & 30)/IEC : 62093 (as applicable)/ equivalent BIS standard for efficiency, for safety and for reliability. The inverters shall consist ofdata loggers for monitoring of solar power generation and solar meters of suitable specification to be installed for complete/ utilization of solar power generated on grid with in the desired location only.The inverter should have MODBUS, PROFIBUS, |
| 166 | ETHERNET common ports.PCU must have the feature to work in tandem with other similar PCUsand be able to be successively switched ON and OFF automatically based on solar radiation variations during the day.There should not be any clipping/ scalping losses due to incorrect DC/AC ratio cap selection of Inverter.The PCU/ inverter shall have an overloading capacity of minimum 10%.The output power factor of the inverter should be suitable for all voltage ranges or sink of reactive power, the inverter should have internal protection arrangement against any sustain fault in the feeder line and against the lightning on the feederMonolithic design of inverter is not permitted.Make:- HAVELLS/SUNGROW/ GROWATT/ POLYCAB or equivalent make same as the make of PV Panels as approved by GE.General Features of Solar Grid tied Inverter:(a) Standby operation consumption (at night) : < 2 W(b) No load losses: Less than 1% of rated power(c) Allowable Relative Humidity rage : 0 ~ 100 %(d) Ambient temperature range : - 25 degree centigrade to 60 degree centigrade(e) Active power Adjustable range : 0 ~ 100 %(f) Topology : Transformerless(g) Integrated DC switch : Yes(h)Protection : The inverter should have provisions of Galvanic isolation, anti-islanding protection (IEEE 1547/UL 1741) equivant IS, DC Reverse Polarity protection, Output overcurrent & output over voltage protection, ground fault monitoring, grid monitoring, AC and DC short circuit current and over current, AC and DC over voltage and over temperature protection., AC & DC Surge protection, prevent lightning damage etc(j) Ingress Protection : IP 65 or better(k) Remote Monitoring : Wifi/ GPRS/ RS 485 as necessitated by site conditions & directed by GE. Web based monitoring with historical data storage for analysis |
| 167 | (l) Display: LED(m) Warranty : 5 years Min(n) The inverter shall adjust voltage and frequency levels to suit the grid.(o) The inverter shall be self commulated with Pulse Width Modulation (PWM) technology and shall be capable of synchronise maximum within one minute or less time.(p) Maximum Power Point Tracker (MPPT) shall be integrated in the inverter/ PCU to maximize energy drawn from the array. Charge controller (if any)/ MPPT units environmental testing should qualify IEC 60068-2 (1,2,14,30)/ Equivalent BIS standard.(q) The inverter shall have suitable nos of protected inputs (as per design) and outgoing shall be protected by ACB/MCCB.(r ) All inverters/PCUs shall be IEC 61000 compliant for electromagnetic compatibility, harmonics, Surge, etc.(s) The inverter shall include appropriate self protection and self diagnostic feature to protect itself and the PV array from the damage in the event of inverter component failure or any deviation of parameters beyond the inverters safe operating range due to internal and/ or external causes. Inverter shall have protection arrangement against ground leakage faults, over voltage, (SPD) & over current. Inverter shall have arrangement for adjustment for adjusting DC input current and shall trip against sustainable fault down stream and shall not restart till fault is rectified(t)Typical technical features of the inverter shall be as follows :-i). Switching devices: IGBT/MOSFETii). Control: Microprocessor/DSP iii). Nominal AC output voltage and frequency: as per CEA/State regulations iv. Output frequency: 50 Hz v. Grid Frequency Synchronization range: as per CEA/State Regulations vi). Ambient temperature considered: -20°C to 60°C v). Humidity: 95 % Non-condensing |
| 168 | vi). Protection of Enclosure: IP-54 (Minimum) for indoor and IP-65(Minimum) for outdoor. vii). Grid Frequency Tolerance range: as per CEA/State regulations viii). Grid Voltage tolerance: as per CEA/State Regulations ix). No-load losses: Less than 1% of rated power xii. Inverter efficiency (Min.): >93% (In case of 10 kW or above with in-built galvanic isolation) >97% (In case of 10 kW or above without inbuilt galvanic isolation)x). THD: < 3% xv. PF: > 0.9 (lag or lead) xi). Should not inject DC power more than 0.5% of full rated output at the interconnection point and comply with IEEE 519.(u) Invertor should provide remote monitoring system for accessing following parameters viz grid voltage and frequency, DC voltage and power from solar panels, inverter output power, and the total energy produced (Daily , Monthly , qtrly ,Half Annually and Yearly). Additionally, parameters like load power (consumption), and system status (e.g., \"run\" or fault codes) etc..Web based or app based system to display these parameter with cyber security encription for remote monitering of theses parameter to be be provided by OEM.The input DC & output AC technical specification of Inverter are as under :-.Input(DC)(a) Max input Voltage : 1100 V(b) Rated Input Voltage : 600 V(c) Start-up input voltage : 200 V(d) Operating input DC voltage range : 300 - 950 V(e) No of independent MPPT : Must be suitable to accommodate installed DC SPV array & their cap. Min 2 to 10 (as per approved design based on No of array strings)(f) MPPT operating voltage range : 180 - 960 V(g) Max input DC Current : As per approved array string design(h) Maximum input short circuit current : As technically reqd & Suitable as per approved array string design(j) No of Protected DC inputs/ strings : 6 to 20 (as per approved design based on No of array strings) |
| 169 | Output (AC)a) AC grid connection type : 3/N/PE(b) Rated Power at unity PF: Suitable for SPV DC cap installed at building.(c) Max AC output power : 110% of rated power(d) Max AC output Apparent power : As per Inverter rated output(e) Max AC output Current : As per Inverter rated output(f) Max AC fault current : As per Inverter rated output(g) Nominal Output Voltage : 415 V(h) Grid Output voltage range : According to SEB standard(j) Rated Grid Frequency : 50 Hz(k) Output Frequency : 50 Hz ± 3Hz(l) Power factor : > 0.9 (Lag or lead)(m) Thermal Harmonic Distortion i (THDi) : < 3%(n) MPPT Efficiency : > 99%(o) EU efficiency : 97.5%(p) No of Protected DC inputsAll the Inverters should contain the following clear and indelible Marking Label Warning Label as per IS16221 Part II, clause 5. The equipment shall, as a minimum, be permanently marked with: (i) The name or trademark of the manufacturer or supplier. (ii) A model number, name, or other means to identify the equipment, (iii) A serial number, code or other marking allowing identification of manufacturing location and the manufacturing batch or date within a twelve-month time. (iv) Input voltage, type of voltage (a.c. or d.c.), frequency, and maximum continuous current foreach input. (v) Output voltage, type of voltage (a.c. or d.c.), frequency, maximum continuous current and for a.c. outputs, either the power or power factor for each output. (vi) The Ingress Protection (IP) rating D. DC DISTRIBUTION / ARRAY JUNCTION BOXESSupply and Fixing DC junction boxes of suitable capacity, rating & Nos (as per design approved)/ OEM recommendations having suitably rated inputs and output terminals having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof made of FRP/ Thermo Plastic with IP 65 protection or better standard in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall have surge protection and suitable arrangement for earthing connections as per relevant standard. Make:MNRE/GOI approved.The junction box shall have suitable arrangement of the following :-(a) The strings are required to be connected to the copper bus bar/ switch gear through individual fuses(b) Provide arrangement for disconnection (DC dis-connection switch) for each string/SJB/ SCB.(c) Provide a test point for each sub group for quick fault location and to provide group array isolation |
| 170 | (d) Each array box shall be of relevant IEC standard/ IS standard.(e) The incomming and outgoing cables from box, panel shall be properly sealed through proper glands.(f) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V or system voltage as approved designed with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard.E. AC DB PANEL.AC Disconnect switch (MCCBs) shall be of matching capacity as per inverter rating . Make:- Schneider/Siemens/ABB/L&T/Havells or equivalent as approved by GE for each location. ACDB Panel of suitable rating (Inverter AC capacity) shall be provided for interconnection of Solar Power Plant with proposed LT Panels near existing transformer and further connected to grid. Each ACDB shall be made of CRCA sheetof appropriate 2 mm thick duly Powder Coated as per colour approved by the GE . It shall bedust, water & vermin proof arrangement with IP 56 protection .Make:-Schneider/Siemens/ABB/L&T/Havellsor equivalent as approved by GE. Each ACDB shall comprise of following:(i) 3 Phase 4 wire Aluminum Bus Bars shall be the 1.5 times of the incoming MCCB rating(ii) Intelligent Panel meter to measure voltage, current, frequency, power factoretc with all connected CTs of each breakers(iii) 4 P MCCB 415 V,36 kA (ICS=ICU=ICW for 1 Sec) of suitable rating matching with inverter AC output, withadjustable thermal and magnetic releasetype for overload protection and short circuit protection 02 Nos as incomer and outgoing(iv) LED Indicating Lamps for each phase with colour code Red Yellow Blue for R, Y and B Phases for each breakers.Note : Each ACDB shall be made of CRCA sheetof appropriate thickness duly Powder Coated as per colour approved by the GE.dust, water & vermin proof arrangement with IP 56 protection with transparent covers.Make:- Havells or equivalent as approved by GE. |
| 171 | F. DC CABLE AND AC CABLEThe contractor shall submit design calculations to deptt for selection of suitable size DC cables and AC cables to ensure voltage drop less than 2 %. The electric cables for DC system for rated voltage of 1500 V. Cables shall have operating range of -10 degree centigrade to + 80 degree centigrade. DC side cables shall be EBXL XLPO ZH-FRLS type having multistranded, annealed tinned high conductivity copper conductor 1.5 kV rated. The min size of DC cable shall not be less 6 Sqmm and shall confirm to IEC 62930/ or equivaent IEC/ IS standard for solar cables/ cables for roof top solar photo voltaic system. The AC cables (Inverter to ACDB) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, copper conductor of suitable size,(max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses. Further, AC cables (ACDB to LT panel) shall be XLPE insulated, 1.1 kV rating, 3.5/ 4 Core, Aluminium conductor of suitable size (max Current capacity of cable shall be 150% of actual current to be carried) to keep the voltage drop within specified limit 2% to avoid power losses and shall be as under :-(a) All cables and connectors for use of installation shall be of Solar grade which can withstand harsh environmental conditions including high temperature, UV radiations, rain, dirt, burial and attack by moss and microbes for 25 years min and voltage as per latest IEC/ IS.(b) All the cables / wires shall be provided with UV resistant printed ferrules for DC side.(c) The size of the DC cable shall be such that average voltage drop at full power from PV module to inverter shall be less than 2%.(d) Cable batch No, IEC/IS code/ applicable standard and size and make shall be metioned on every one meter or as per OEM practice/ IS standard.(e) AC Cable of suitable rating, size and type from output of solar inverter to nearest LT panel deemed to be included in quoted rates. The contractor shall submit design with voltage drop calculations and take approval from deptt before start of work.4 Core XLPE Alcable of suitable size, max Current capacity to cable shall be 150% of actual current to be carried ( inveter to ACDB),1.1 KV grade, vd<3(f) The wiring of the module interconnection shall be in UPVC/HDPE pipe of suitable size.(g) The cost of interconnecting DC Copper/ Aluminium cable/ wires( as mentioned above) suitable GI cable trays, Rigid PVC/ GI pipes, ties and earth work for trenches, suitable to accommodate Solar grade cables from SPV module upto inverters and inverters to AC supply panel are deemed to be included in the quoted rates |
| 172 | (h) The DC cables shall be provided with superior quality MC 4 connectors, Y connectors to ensure long life and ferrules for ease in fault tracing.Make of DC cable : Havells/Siechem/Polycab/KEIMake of AC cable : Havells/Finolex/Polycab/KEIG. EARTHING PROTECTIONThe contractor shall provide suitable Nos of Earthings for protection of DC electric supply system board and module mounting structure separately as per approved design. Earthing for Inverters, AC distribution board, lightning protection shall also be provided for safety and deemed to be included in quoted rates for all locations. The specs of Earthing shall be as under:-Supply, installation, testing of02 Nos of maintenance free safe chemical earthing system complete with 01 Number UL 467 approved/ CPRI tested copper bonded (earth rod with 250 microns of copper cladding) earth rod 17.2mm dia 3000mm long electrode buried in ground to bore holes 120mm dia, vertically to a depth not less than 3.50 mtr deep below ground level with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of copper bus bar of size 200mm x 25mm x 6mm for inter connection with GI lead strip 25mm x 3mm/ GI lead and further connected to test point terminal block all as directed. Each earth pit shall include minimum 50 Kg (two bags of 25 Kg each) NABL lab certified Ground Enhancement material/ back fill compound and 6 Kg (tow container of 3 Kg each) NABL lab certified conductive gel (LOHM-EG-03) compound (if reqd) or equivalent for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three parts of mother soil), so as to achieve earth resistance below 3 Ohm including excavation of polypit chamber with polyplastic pit cover, GI lead / GI strip of reqd size within overall quoted rates) complete all as specified and directed by Engineer-in-Charge. Any extra material reqd at site to achieve the result within specified limits, shall be deemed to be included in quoted rates.Earthing Circuit has to be connected/completed as under:1. Main Earthing Circuit/Grid has to be connected with 50X6 mm GI Earth strip of required Length2. Earthing Strip from Earthing Grid to Final Earthing with Equipment/Solar PV Array to be connected with25X4 mm GI Earth Strip as required at site. |
| 173 | H. LIGHTINING PROTECTION FOR SPV ARRAY SYSTEMDesign, supply, installation, testing & commissioning of lighting arrestor/ protection system confirming to IS/ IEC-62305 (Part 1 - 4) for roofs at location as planned for above mentioned building numbers at Para(1). The air termination rod/ equipment shall be fixed at the top of GI elevation pole with base so as to be at least two meter above or suitable height as designed from the structure to be protected. Its height above roof level shall be depend upon the level of protection and protection radii required. Earthing conductor GIpipe terminal adaptor havinginner dia 60mm OD.Air termination rod shall be solid copper bonded single spike min dia of 15 mm. Each lightening arrester shall be provided with 02 no of earthing pit with separate chemical earthig or more as per manufacturers specifications.(02 Nos Earthing + 01 Air Termination Rod) MAKE:- OBO/JMV/JEF Techno/Indelec/EricoNotes : (a) The cost of all equipments, GI/AL/ copper strip (as per approved design) upto earth test point and from test point to earthing, LA, etc., shall be deemed to be included in the quoted rates.(b)The cost of sufficient Nos of earthing as per design for lightning protection to be provided is deemed to be included in quoted rates as directed by Engr-in-charge and no extra payement shall be made to the contractor on this account.J. INSTALLATION KIT AND ACCESSORIESCable trays, Lugs, Routing accessories, cables, conduits etc. - 01 LotK. EARTHING CABLECopper PVC Flexible cable 1.1 KV 16 Sqmm , green earthing cable - 30 RML.BALANCE OF SYSTEM (BOS) ITEMS/ COMPONENTS :- The BOS items/ components of the SPV power plants/ systems deployed under this project shall conform to the latest edition of IEC or equivalent BIS Standards/ latest MNRE specifications as on last date of quoting of tender. Any suitable item reqd for satisafactory functioning shall be provided within quoted rates. |
| 174 | M. POWER EVACUATION: The Contractor will be responsible for obtaining all permissions as per the procedure of UPPCL/ SEBs/ regulatory commission of Uttar Pradesh for evacuation of Power of ON GRID solar system. The cost of the same is to be included in the quoted rates. No additional payment shall be made to the contractor for the same. The contracor must go through latest solar policy of the UPNEDA/ SEBs, Procedures for evacuation of Power of ON GRID. Charges (as applicable) to be payable to any Department/ SEBs for any ON GRID power evacuation shall be borne by the contractor within overall quoted rates.N.IRON LADDERFabricate and install for each separate roofaaccess Iron ladder -01 Nos minimum which shall be rust proof fixed access ladder complete with safety cages, intermediate rest platforms, top-landing platforms and fall-arrest rails to enable safe access to rooftop solar PV arrays. For design criteria , material, dimensions and other technical details refer Particular specification. Any other items of Civil / Electrical nature work required for the100KWp PV plant at different locations shall be included in quoted rate.General Notes:(i) Plants installed in high dust geographies/areas must have the solar modules tested with relevant dust standards (Applicable standard would be IEC 60068-2-68).(ii) Each structure should have angle of inclination as per the site conditions to generate maximum power.(iii) Any damage to the existing roof treatment of any type duringthe Installation of Solar Power System shall be Re-done/made good as per existing treatment. Cost of the same shall be deemed to be included in the unit rate quoted. Nothing extra shall be admissible on this account(iv) Design of Solar Power Plant and structure design suitable for 150 Km per hour or as per IS -875 Part-3(2015) which ever is more wind speed shall be approved by NISE/IIT.The complete design and installation and layout of solar roof system be carried out in consonance with MNRE latest guidelines for roof top solar phase and preliminary solar panel direction layout, structure design with Stad pro/ equivalent software and single line diagram be ratified by MNRE empanelled charted Engr/ firm/ consultant.(iv) The contractor shall also submitt design and calculations for structural and foundation design of the module mounting structure duly considering the wind speed as 150 Km per hour or as per IS -875 Part-3(2015) which ever is more and vetted from IIT/NIT or any other Govt institution for approval of GE. The cost of design and all other works shall be deemed included in the quoted rate of the item. |
| 175 | (v) The contractor must visit the site before quoting the rates to assess the site conditions so as to decide up on location and layout of SPV, placement of inverter as per buildings, length of DC cables, AC cables, lightning arresters, earthing, mounting structure etc,complete.(vi)The contractor shall submit complete scheme including electrical diagram of the work, schematic diagram, SPV module layout, location/ placement of LAs, Civil work, etc., complete as per MNRE/ IREDA latest guidelines as applicable, relevant IEC/IS norms to the GE for approval within one month of date of commencement of the work for approval(vii) The dimensioned drawing of the site of work clearly marked with all sub systems components etc shall be submitted to GE for approval. which shall be self contained and self explanatory representation of layout of equipment and subsystems.(viii)Schematic diagram of the electrical system. This shall contain specification, size, current, voltage and fault levels rating of all cables,switch gears and instrumentation & control systems and all metering and interlocking etc.All the documents/technical details mentioned above duly vetted as specified above shall be approved by GE. GE may approve the documents as submitted by the Contractor or may suggest modification/alteration in documents/technical specifications duly supported with reasons for the same. The work shall be executed based on the approved documents.(ix) The above items shall be quoted and executed on ground based on performace Guarantee basis. The performance Guarantee is related to achieving the 100 KW generation on AC side within specified efficiency and efficacies. The contractor shall also be responsible for desired operational efficacy and desired efficiency of the system during its life cycle of minimum 25 yrs. |
| 176 | (x) Quoted rate shall be inclusive of cost of smooth and efficient functioning of solar plant with comprehensive AMCwithin DLPfor Period of 02 years from the date of Completion of Work rendering onsite replacement of defective parts for seamless generation.Solar Engineers shall visit the site and service the system once in month and carried out breakdown maintenance like repairing, replacing faulty components, wires etc free of cost. The maintenance service provided by contractor shall ensure proper functioning of the system as a whole. Contractor shall carry out rectification within time period as directed by Engr-in-charge. ( Penalty for achieving less CUF than the annually contracted target wiil be levied on a year-by-year basis. The shortfall in units (calculated based on that year’s specified CUF) will be charged at the prevailing import rate, subject to a maximum penalty of 10% of total units to be generated as per that year’s CUF). During the defect liability period of 24 Calender Months from the date of completion, the contractor shall deploy a suitable trade man/ technician in consultation & prior approval of GE, for routine maintenance of both the plant as recommended by the manufacturer and for checking functionality of various instruments/ infrastructureprovided under the contract on weekly basis, and to take corrective action (if required any), to ensure continuous generation of solar power to achieve expected output.Trade man/ technician so deployed by contractor shall submit his report to GE on format as decided by GE. contractor shall ensure proper saftey norms to be followed by the workers during maintanence work Contractor shall also ensurecleaning of Solar PV Modules Periodically as per pre-planned schedule, Checking electrical parameter of the installed power plant, any other job other than above indicated jobs shall be covered under warranty ofSolar plant installed and Keeping the area neat and clean free from vegetations growth.If during the defect liability period any part/equipment of the solar plant gets damaged or stops functioning, then the same shall be rectified immediately by contractor free of cost ensuring non-stop and smooth functioning of solar plant.(xi) In case non reporting of trade man/ technician on schedule day as decided by GE, a pro-rate (considering 8 hrs of working) recovery shall be double as per the previling govt market rates per day per instance shall be recovered from the performance guarantee/ dues.A proper record of weekly attendances & reports submitted and action taken by trade man/ technician so detailed shall be maintained by the Engr-in-Charge. The rates quoted by the tenderer (s) against item of Sch ‘A’/BOQ shall be deemed to include for above provisions.(xii) Capacity Utilization Factor (CUF) for a solar power plant should be minimum 17% with a degradation at the rate of 0.75% per year. |
| 177 | (xiii)The Contractor Shall also be responsible forrenewal/replacement of parts fittings/fixtures filling of Solar modules, inverter, mounting structure etc during the defect liability period.Maintenance of log sheet and all maintenance record shall be responsibility of contractor and stationary shall be provided by the Contractor. Format of log sheet and maintenance records etc shall be decided by GE/Engr-In-Charge. Solar Panel water servicing, panel Cleaning, Area cleaning surround the plant room etc shall be the responsibility of contractor.(xiv) Testing and commissioning of Solar plant shall be carried out by Rep of Accepting Officer. Necessary arrangement for testing and commissioning shall be made by contractor on his own cost.(xv) For full details of description of items, scope and specification contractor shall refer to Particular Specifications given in succeeding pages. Contractors are advised to read the description alongwith PS before quoting rate.(xvi) After successful installation contractor should provide final drawing of electrical wiring, test certficates, warranty certificates, manuals to the Engr-in-Charge.(xvii) Supply and Installation of Display board of 6’ X 4’size made of MS 40mm x 40mm square pipe and flexes showing all technical information of SPV plant shall be done by the contractor within overall quoted rates.The matter written on the boards shall be finalized with GE..(xviii) After execution of project the contractor will verify generation of electricity as per vetted design and report shall be submitted to deptt during defect liability period.(xix) The quoted rate include the cost of any items which is not specifically mentioned above, but required for satisfactory functioning of the roof top solar power plant. The same shall be provided within overall quoted rates. Nothing extra shal be payable to contractor on this account or any higher specs provided by contractor.In case, capacity as mentioned above of solar roof top for any location changes due to any reason, no claim of contractor shall be entertained on this account.(xx) Training : On successful commissioning of the plant, training shall be provided on plant operation and maintenance to a team (Engineers/ technicians/ operators) as nominated by department for minimum fifteen days. |
| 178 | Supply, laying, jointing and testing, fixing to wall using clamps/pole/floor or in air or passing through pipes/ducts/road/path/drain, laid in trenches, 1100 volts grade heavy duty electric cableXLPE insulated,screened ,PVC bedded, galvanised steel wire or wire armoured with electric power cable 1100 volts grade with stranded aluminium conductor of size 3.5 core 95 sqmmISI marked , IS - 7098 Part-1 and its latest amendments complete, all as specified and as directed.Note: Excavation, earth work, bricks, sand and pipe protection shall be measuredand paid separately |
| 179 | Material and labour for rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) triple layer hoisted and fixed in position all as specified in SSR Part I of cap 500 Ltrs complete with suitable PCC/ RCC foundation and civil work reqd at site, complete, all as specified and as directed. |
| 180 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 25 mm (1”) bore, complete, all as specified and as directed. |
| 181 | Supply, laying and jointing galvanized iron pipe, “Medium grade”, as in floors or fixed to wall including reqd fittings of size 20 mm (3/4”) bore, complete, all as specified and as directed. |
| 182 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 20mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 183 | Supply and fixing gun metal gate valve, ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 25 mm bore including fixing nipple, union or fitting as per site requirement, complete, all as specified and as directed. |
| 184 | Supply and fixing 2 pole openwell submersible pump setsuitable for 50 Hz, single phase A.C. Power supply voltage range 160 to 260 volts, 24.0 meter head , 1.70 litre per seconds discharge , IP 68,cast iron casing, cast iron impeller, motor and shaft stainless steel and power rating 1.1KW/1.5HP or as per manufacturer recommendation complete with copper wireand DOL starter of suitable capacity as per matching capacity of motor including necessary connections to distribution board, complete, all as specified and directed. |
| 185 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting it out in soft/loose soil including forming bottom surface to required level for laying of cables/pipes/poles complete, all as specified and as directed. |
| 186 | Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm deep as in soil complete, all as specified and as directed. |
| 187 | Material and labour for sand cushioning to underground cable with dry sand locally available 8cm thick before laying of the cable and 15cm thick after laying and strectching the cable below the bricks/PCC cover, punning of sand using suitable T&P as per site condition, complete, all as specified and as directed.Note : Punned thickness of sand to be consider for measurement purpose. |
| 188 | Supply and laying un-reinforced pre cast concrete cable coverconfirming to IS:5820 with minimum average breaking load capacity 200 kgs for unreinforced covers, class LV Type 1, flat, size 300mm x 180mm x 40mm complete, all as specified and as directed. |
| 189 | Removing the excavated material n.exc 50M to a distance and depositing where directed at a level n.exc 1.5 M above the starting point complete all as specified and as directed. |
| 190 | Material and labour for cutting existing steel tubing 40/50 mm bore for alteration and addition and screwing existing steel tubing for alteration and additions in postion and insertion of suitable new Tee for taking new connection complete including threading screwing complete all as specified and directed. |
| 191 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 1st Year after date of completion and defect liability period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 192 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 2nd Year after date of completion of 1st Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 193 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 3rd Year after date of completion of 2ndYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 194 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 4th Year after date of completion of 3rdYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 195 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 5th Year after date of completion of 4th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 196 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 6th Year after date of completion of 5th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 197 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 7th Year after date of completion of 6thYear of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:-The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
| 198 | Operation and Comprehensive Maintenance including Making good of all kind of defects by repair/replacement of required spare parts as the case may beunder HQ CE (AF) Nagpur Zone each of capacity i.e For 100 KWp at AGE (I) AF Manauri Complex under HQ CE (AF) Nagpur zone all as specified and directed for period of 8th Year after date of completion of 7th Year of Comprehensive Maintenance period. Scope of Work:- (a) Operation and Maintenance shall include washing /cleaning of solar PV Module Weekly basis(b) Checking electrical Parameter of the installed plantNote:- The contractor shall submit SPV generation data along with the radiation data in Excel Sheet format on monthly basis. The module cleaning must be done on weekly basis as per direction of Engr-in-charge. |
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