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| 1 | Phase-IDesign, supplying, erecting, installing, testing and commissioning including topographical survey of Grid connected Rooftop Solar Photo-voltaic ( PV) plant of 200 KWp for bldg No P-91 at Military Hospital Dehradun at Garhi Cantt under AGE E/M II of GE Dehradun. PV output at STC comprising of following sub-components and meeting the specifications as given here-in-after (1.01 to 1.29):-Note-Number of inverters should as per site requirement or OEM Design. Design of structural drawings of module mounting structure alongwith design calculations shall be submited by the contractor duly vetted from MNRE approved organisation/ NIT/ IIT / Govt Research Institute. The cost of same shall be deemed to be included in this item |
| 2 | Minimal technical requirements/standards for SPV systems/plants to be deployed as per MNRE are mandatorily to be complied within the design. Some of these are narrated here-in-after. For other details website of MNRE may be reffered. Bidder must visit the site before quoting the tender. |
| 3 | Photo Voltaic (PV) Modules :- The PV modules must conform to the latest edition of any of the following IEC/equivalent BIS Standards for PV module design qualification and type approval: Mono Crystalline Silicon Terrestrial PV Modules:IEC61215/IS14286/ Equivalent IS (if available as on last date of receipt of tender) In addition,the modules must conform to IEC 61701 Salt mist corrosion testing, IEC 62804- Certification for PID resistance ,IEC61730Part1-requirements for construction & Part 2- requirements for testing, for safety qualification or Equivalent IS (if available as on last date of receipt of tender) |
| 4 | Each PV module must use a RF identification tag (RFID), which must contain the following information:(i) Name of the manufacturer of PV Module (ii) Name of the Manufacturer of Solar cells(iii) Month and year of the manufacture(separately for solar cells and module) (iv) Country of origin (separately for solar cells and module)(v) I-V curve for the module(vi) Peak Wattage, Im, Vm and FF for the module(vii) Unique Serial No and Model No of the module(viii)Date and year of obtaining IEC PV module qualification certificate (ix) Name of the test lab issuing IEC certificate (x) Other relevant information on traceability of module as per ISO 9000 series.Note: RFID shall be mandatorily placed inside the module laminate. |
| 5 | Authorized testing laboratories /centre: PV modules must qualify (enclose test reports/certificate from IEC/NABL accredited laboratory) as per relevant IEC standard. Qualification certificate from IEC/NABL accredited laboratory as per relevant standard for any of the higher wattage regular module should be acompanied with the STC report/certificate. For details of Test Labs refer Ministry of New And Renewable Energy website. The report submitted should not be older than 1 year. |
| 6 | PV modules used in solar power plants/ systems must be designed for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. PV modules shall have product warranty of 10 years after completion of work. Contractor shall obtain the warranty certificate from the manufacturer and will submit the same to the Eng-in-charge. |
| 7 | Silicon Mono Crystalline SPV cells shall be used in the Solar Photo voltaic module. SPV modules should be essentially indigenously manufactured (manufactured in India) irrespective of any other provisions in this tender. The make of SPV shall be Vikram Solar/Indo Solar/ Warree/ Tata Solar/ Adani/ Havells |
| 8 | Peak power rating of the module shall not be less than 550 Wp. |
| 9 | The module efficiency shall be more than 16% at standard test condition and the cell should have minimum fill factor of 0.7 with anti reflective coating. It shall be made of high transmittivity glass & front surface shall give high encapsulation gain. Note:- Anti dust coating on PV modules shall be done at site. |
| 10 | All materials used shall have a proven history of reliability and stable operation in external applications.It shall perform satisfactorily in relative humidity upto 100% with ambient temperatures between -4°C and +60°C and shall withstand wind gust upto 180km/h on the surface of the panel. Each and every SPV module shall be checked for conformity with relevant standard and no negative tolerance shall be accepted. |
| 11 | The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions |
| 12 | The module frame will be made of corrosion resistant materials having aluminium anodized finish. |
| 13 | The bidder shall carefully design & accommodate requisite numbers of the modules in the available area (refer topographical survey) to achieve the rated power in his bid. Note-: Shadow analysis report of the site has to be submitted along with topographical survey . The same shall be incorporated in designing in designing of solar plant in PV syst/PV sol/ NREL software.This report has to be vetted from MNRE approved organisation/ NIT / IIT / Govt Research Institute and submitted to Eng-in-chare by the Contractor. |
| 14 | The modules must be compatible with Inverter MPPT range. |
| 15 | The module shall be provided with a junction box with either provision of external screw terminal connection or sealed type and with arrangement for provision of by-pass diode. The box shall have hinged, weather proof lid with captive screws and cable gland entry points or may be of sealed type and IP67 rated. |
| 16 | Balance of system (BOS) items/components: The BOS items/components of the SPV power plants/systems deployed under this project must conform to the latest edition of IEC or equivalent BIS Standards /MNRE specifications / as specified para 1.01 of minimal technical requirements/standards for SPV system/plants to be deployed during this financial year under the programmes of MNRE available on MNRE website as on last date of quoting of tender. |
| 17 | Mounting structure :- (a) Mild steel structure, Hot Dip Galvanised of 80 micron thick, corrosion resistant and electrolytically compatible with material used in modular frame mounting Structure Shall be used.Galvanization shall conform to IS-2629, 4759 & 4736 as applicable.(b) On Galvalume Sheet Roof, The fasteners shall be of stainless steel to fix the module mounting strucuture to the continous Rails. The continous Rails shall be mounted to Purlins only using L cleats in order to avoid any load on Galvalume Sheet. L cleats shall be mounted using SDS Screws of Minimum 68 mm height. EPDM tape shall be used to provide water leakage protection. Walkway of HDG material shall be provided at every 04 mtrs in lateral direction and across the whole perimeter of roof. Walkway shall be mounted on continous Rails. The contractor shall submit the design, length, section, detailed layout etc. of the structure and walkway and will be approved and finalised by Garrison Engineer. Module mounting structure shall require to becustomize with respect to the site availability.Test certificate of galvanization shall be submitted by contractor.(c) The contractor shall submit structural design on Stad- Pro based on Wind load of 180 kmph, live load and dead load of structure with solar panel & seismic zone of Dehradun. Any deflection to the mounting structure shall be as per IS 800:2007. |
| 18 | The Structure shall be of Fixed type and the design of mounting strucutre shall be as per IS code. |
| 19 | Minimum module ground clearance should be 300mm and Tilt angle of PV module shall not be less than 22 degrees. |
| 20 | All fasteners shall be of Stainless steel-SS 304 Nut & bolts, supporting structures including module Mounting Structures shall have to be adequately protected against all climatic condition. |
| 21 | Any damage done to water proofing/roof structure/ Galvalume Sheet during installation shall be made good by the contractor at no extra cost. |
| 22 | Grid Tied Inverter:- Supply, Installation, Testing & commissioning Grid connected solar inverter of suitable capacity as per the system design having following specifications(i) Ambient temp : 4° C to 60° C(ii) Relative humidity : 0-100 % non condensing(iii) Environmental condition: outdoor, wet location(iv) Protection degree : IP-65(v) Pollution degree : IV(vi) Safety class : class I metal enclosure(vii) MPP Tracker 2MPP trackers(viii) No. of inputs minimum 4 nos MC4(ix) Frequency rated : 50 Hz(x) Total Harmonic distortion shall be less than 3%(xi) Power factor shall be more than 90% at any load(xii) Inverter Efficiency >93% (In case of 10 KW or above with inbuilt galvanic isolation)>97% (In case of 10 KW or above without inbuilt galvanic isolation)>90% (In case of less than10 KW)(xiii) External communication: RS-485 Modbus Port(xiv) Grid frequency Tolerance range +3 or more(xv) No load losses less than 1%(xvi) Protection against DG set run & grid isolationNote:- Inverter shall be capable of synchronisation with grid supply and DG Set supply.(Make- DELTA, STRUDER, Schnider, TMEIC, Havells). |
| 23 | Protection features :- Inverter should have following protections :-(i) Anti islanding.(ii) Over voltage protection.(iii) Over current protection(iv) Over temperature protection.(v) Reverse polarity Protection.(vi) Surge protection.(vii) Short Circuit.(viii) Frequency. |
| 24 | Combiner boxes :- Supply and fixing , testing and commissioning DCDB ( DC Distribution board) panel made up of polycarbonate with dust , water and vermin proof arrangement( IP67) suitable for operation of three phase/ single phase , of capacity as per Solar Design with suitable No. of inputs and outputs with fuses, connectors, isolators and surge protection device type - II category conforming to IEC 60947, part - I , II and III complete all as specified and directed. Make : HAVELLS / L&T/ Hensel/ SATCON.Supply and fixing, testing and commissioning ACDB (AC Distribution board) panel made up of powder coated CRCA sheet 3.15 mm thick dust, water and vermin proof arrangement (IP67) cubical type suitable for operation of three phase/ single phase, of capacity as per Solar Design with suitable No. of inputs and outputs with fuses, connectors,isolators and surge protection device type - II category conforming to IEC 60947, part - I , II and III complete all as specified and directed. Make : HAVELLS / L&T/ SCHNEIDER/ POLYCAB |
| 25 | Cables and wires:-(i) For the DC cabling, XLPE insulated and sheathed, UV-stabilized , FRLS single core flexible copper cables shall be used; Multi-core cables shall not be used. The minimum DC cable size shall be 4.0 sqmm copper and size shall be selected considering the maximum voltage drop of 2%.(ii) For the AC cabling, XLPE insulated and PVC sheathed single or, multi-core flexible Aluminium cables of suitable size as per the system design and site requirement shall be used considering the maximum voltage drop of 1 %.Outdoor AC cables shall have a UV-stabilized outer sheath.(iii) The total voltage drop on the cable segments from the solar PV modules to the solar grid inverter shall not exceed 2.0%.(iv)The total voltage drop on the cable segments from the solar grid inverter to the building distribution board shall not exceed 1%.(v) All DC and AC cables from the SPV module and Inverter shall run through a Pre- Galvanized aluminium/HDG cable trays of height not less than 40 mm and width not less than 50 mm.(vi) Cables and wires used for the interconnection of solar PV modules shall be provided with solar PV connectors (MC4) and couplers.(vii) All cable trays shall be clamped to the rooftop, walls and ceilings with clamps atintervals not exceeding 50 cm and at a distance of 30 cm minimum height from rooftop. |
| 26 | Lightning protection:- There shall be the required number of suitable Early Streamer Emission (ESE) lightning arrestors installed (As per Design to be submitted by sucessfull bidder). The air terminal is Early Streamer Emission(E.S.E.) type which shall be fixed at the top of a stainless steel pole with base be atleast 4 meters above the structure to be protected.Its height above roof level would be dependent on the level of protection and the protection radii required.The air terminal should be working on the principle of early streamer emission using non-radio active technology, needing no external power source.The air terminal should be capable of tracking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. The air terminal is of stainless steel and it has qualified diameter to resist high values of lightning currents. Roof connection pipe should be capable of withstand in lightning strikes having dimension 60mm OD and thickness of 5 mm. Note- ESE type lightening arrester shall be provided for solar plant of capacity more than 50 kWp. For solar plants less than or equal to 50 kWp, Conventional Spike Lightening arresters shall be used having a minimum ball dia of 62mm, pipe length of 1200mm, Pipe outer diameter 25 mm, Pipe SWG Spike of 22mm, and spike of minimum 45mm |
| 27 | Earthing Protection:- M&L for Copper bonded maintenance free chemical earthing using 17.2mm copper Bonded Rod of copper coating thickness not less than 250 microns having a length 3 mtr with 25 x 3mm GI Strip and with copper plate and chemical compound not less than 20 Kilogram for each earthing as per IS 3043 /1987 complete all as specified under :-(a) Excavation and earth work for drilling hole for electrode in any type of soil.(b) PCC pit in cement concrete 1:2:4 type B-1.(c) Precast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1,reinforced with welded steel wire fabric weighing not less than 1.87 Kg/Sqm.(d) Funnel with watering pipe of GI 20 mm nominal bore light grade and copper lugsetc complete all as specified and as directed by Engr-in-Charge.(e) 40 mm nominal bore light grade GI protection pipe 7.5 mtr long for protection ofearthing lead from mechanical injury or tempering.(f) Requisite quantity of common salt and charcoal.(g) Testing of earthing.Note : On testing after completion of earthing, if the desired earth resistance (less than 5 Ohms) is not obtained, the earthing will be re-done by the contractor at his own risk and cost to the entire satisfaction of the Engineer-in-Charge.The earthing shall be done independently / separately for Mounting Structure, Inverter, lightening arrestor etc. |
| 28 | Metering arrangements:- (A) Suitable dual metering arrangements with recording facility shall be provided.The metering arrangements must have feature to measure and record, (i) Parameters of KW, KWh, KVAR, voltage, current, PF and any other metering required todetermine efficiency and efficacy of the system.(B) LT 3 Phase 4 Wire Electronic Tri vector Meter with CT ratio should be as per capacity of SPV plant.(i) Standard: IS 13779:1999 / CBIP 88 (ii) Accuracy: Class 0.5(iii) Reference Voltage - 3x240 V(iv) Basic Current (Ib) - 5 A(v) Maximum continuous current (Imax) - 10 A(vi) Rated Frequency (variation) - 50Hz (±5%)(vii) Power consumption:- Voltage circuit: Less than 1.5 W and 10 VA per Phase atreference voltage, reference temperature and reference frequency Current circuit: Lessthan 1 VA per phase at basic current, reference frequency and reference temperature(viii) Display type: 8 digit 7 segment backlit LCD display, not less than10 mm characterheight(ix) Display in the event of Power Failure: Internal battery back-up for LCD display(x) Communication port: Galvanically isolated Optical Communication port for data transfer through either CMRI or remote device or both is provided with RS 485 for DLMS protocol(xi) Energy recording – Unidirectional |
| 29 | (C) CT/VT operated bidirectional energy meter with following features(i) True four quadrant metering(ii) Import/ export metering and forwarded metering option for LT/HT systems(iii) Time and day metering with maximum demand registration and automatic billing(iv) LCD display with announciators for various critical events(v) Scroll lock feature for continuous display of a desired parameter on display(vi) High resolution energy display mode for dial test(vii) DLMS protocol for meter reading, with option to remote reading port.(viii) Advanced event detection features for voltage, current and magnetic influence(ix) Meter reading in absence of mains, using internal battery. |
| 30 | S & F PVC-U, type A as per IS 13592: 2013 single socketed water pipes of suitable length to cover the whole plant area with provision of nozzles outlet every 10m in order to clean the pv modules complete all as specified and directed by Engineer- in- charge.The cleaning system shall be connected to the water source available at site. The cost of supplying, insttallation and testing of washing and cleaning system including required capacity of pressure/ booster pump of PV modules is deemed to be included in quoted rate. |
| 31 | All as per item No. 01 above, but capacity of plant 75 KW for bldg No.P-607 at 21 Raj Rif at Birpur Dehradun. |
| 32 | All as per item No. 01 above, but capacity of plant 75 KW for bldg No.P-49 at Kumaon at Birpur Dehradun. |
| 33 | All as per item No. 01 above, but capacity of plant 70 KW for bldg No.P-300 at Medium Regt at Garhi Cantt Dehradun. |
| 34 | All as per item No. 01 above, but capacity of plant 40 KW for bldg No.P-72 at 447 ASC at Anarwala Dehradun. |
| 35 | All as per item No. 01 above, but capacity of plant 40 KW for bldg No.P-1 at 5/1 GR at Anarwala Dehradun. |
| 36 | Material and labour for laying, jointing and testing undergroundXLPE insulated & PVC sheathed, armoured heavy duty multistranded electric cable with aluminium conductor, 1100 volts grade of cross sectional area 185 Sqmm, 3.5 core in trenches/ ducts/ along poles/ through pipe/ under road/ PCC etc and connecting with new aluminium lugs complete all as directed. |
| 37 | All as per item No.7 above but size of cable 70 Sqmm 3.5 core. |
| 38 | All as per item No.7 above but size of cable 35 Sqmm 3.5 core. |
| 39 | Note for Item No.7 to 9:- (a) Excavation, returning filling, removal of surplus excavated material, sand cushioning, cable protection covers, HDPE/GI protection pipe etc shall be measured and paid separately under relevant items of BOQ. (b) Any damage done during excavation to the existing under ground Infra such as under ground pipe lines, under ground electric cables, OFC etc shall be repaired/replaced by the contractor at his own cost. No any claim will be entertained by the department on this account. (c) Cost of T&P required for handling/laying of cables is deemed to be included in quoted rates. |
| 40 | Excavation in trenches in any type of soil not exc. 1.5 mtr wide and not exc. 1.5 mtr in depth for laying of cable, foundation etcand getting out complete all as directed. |
| 41 | Material and labour for sand cushioning & covering of UG cable using crushed metal sand in trenches for cable protection complete all as directed. |
| 42 | Material & labour for sub class B bricks well burnt of size 23 x 11.5 x 7.5 cm for protection of UG cable laid dry flat over the cable width wise across the length of the cable and abutting each other with gap less than 10mm between the adjacent bricks in trenches complete all as directed. |
| 43 | Returning, filling in including spreading levelling watering and well ramming in layers not exceeding 25 cm in soil complete all as directed. |
| 44 | Removing of excavated soil to a distance n exc 50 mtr and deposited where directed at a level not exc 1.5 mtr above the starting point complete all as directed. |
| 45 | Supply & Laying of High density polyethylene pipes (HDPE) of pressure rating PN 6 sizelaid in trenches/ fixed to poles/ wall/ laid in floor for the protection of UG cable for following bore of pipes: |
| 46 | (a) size 50 mm |
| 47 | (b) size 80 mm |
| 48 | (c) size 100 mm |
| 49 | Material and labour for cutting chases in hard standing road/ path/ drain etc for passing cables/ pipes etc size of cutting 100mm wide and 300mm deep and removing the excavated materials and disposal at 50 metre distance and making good to the cutting after the pipe and cables are laid with PCC 1:3:6 type C-1 using 20mm graded stone aggregates complete all as directed.Note:- Cost of GI/ HDPE pipe is not included in the quoted rates and shall be measured and paid separately under relevant items. |
| 50 | Phase -II Comprehensive maintenance and operation of roof top solar power plant for BOQ item No 1 to 6 in respective capacity including power evacuation system for five years with operation by qualified site engineers for daily operation minimum 16 hrs per day to maintain complete module SCADA invertor combinor box and connected accessories including cleaning of module as per schedule recommended by manufacturer and ensuring production of minimum prescribed unit of electricity per year by operating the plant as follows |
| 51 | Comprehensive maintenance will include washing/ cleaning of solar PV modules periodically as per pre-planned schedule as directed by Engineer in Charge. |
| 52 | Checking and recording of electrical parameter of the installed rooftop solar power plants. |
| 53 | Any other job other than above indicated jobs will be covered under warranty of solar installed rooftop solar plant. |
| 54 | Keeping the rooftop area neat and clean. |
| 55 | Note for payment of comprehensive maintenance:(a) The payment is for (05) five years and shall be released @ 15%, 17.5%, 20%, 22.5% and 25% of total amount quoted against 18.01 above for Ist, 2nd, 3rd, 4th and 5th year respectiveley of comprehensive maintenance. (b) Monthly payment shall be made proportionaly to the total amount due for the respective year as given in para (a) above.(c) The payment against comprehensive maintenance shall be further subject to satisfactory operation and meeting desired output on monthly basis. This means that for each day when the SPV plant is not operational for any reason whatsoever (other than mains failure), no payment for those days (on proportinal basis) shall be made to the contractor. |
