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| 1 | Design, supply, installation, testing, connecting, charging and commissioning of solar PV modules to meet cumulative rated capacity of 21 KWp off grid type, Modules will be of mono Crystalline type silicon modules (Non DCR) with minimum 72 cells and rating of 335Wp to 545Wp with positive tolerance, including with end MC4 connectors. Module efficiency of not less that 17 to 19.0% fill factor >0.7, module will be PID resistant, module connector suitable for MC4 and junction box with minimum, IP-67 rating, will be suitable for operation from 05 to +50°Cambienttemperature, along with supply and installation of Battery Bank of 24 Volts 200 AH/12 Volts 150 AH batteries in suitable numbers & configurations to deliver 415 Volts 3 phase output using inverter of 25 kw And necessary accessories like fuses, array/string junction box etc, Modules will be certified for relevant dust standards (applicable standard would be IEC60068- 2-68). Modules shall be deployed with RF id tag inside lamination as per MNRE guidelines. Modules shall be certified as per IEC61215 Edition -ll IEC61646 and IEC61730-1 & 2 ISO 9001: 2008 QualityManagement System, ISO 4001:2004 complete all as specified and/ or as directed by Engr-in-Charge. |
| 2 | Supply, erecting, installation, testing & commissioning of 39 Numbers solar modules each consist of 72 mono PERC (144 half cell) P type solar cells of 540 WP each, having efficiency more than 21 % at standard test condition, fill factor more than 0.75 performance ratio equal to or greater than 75 % &made of high transmittivity glass and glass front surface shall give high encapsulation gain. (transmission above 90 % and bending less than 0.3 %). Electrical parameter of 540 Wp solar PV module under STC. These panels shall be suitably fixed on Module mounting structure. The electrical data of panel at standard test condition (STC), 1000 W / m2 irradiance air mass 1.5 & 25°C cell temperature shall not be more than as under.(i) Max. DC Peak Power(Pmax) = 540 WP.(ii) Max system voltage = 1500 V.(iii) Operating temp. range = -40°C to 85°C.(iv) Maximum fuse rating = 25 A.(v) Junction box = IP 68 with individual by pass diode.(vi) MC 4 compatible.(vi) MC 4 compatible.(vii) Class \"A\" (safety class II).(viii) Anodised Aluminium frame.(ix) Front Glass 3.2 mm low iron & tempered with ARC coating.(x) fire safety class C (Type I).(xi) surface load of snow 5400 Pa.(xii) Surface load of wind 2400 Pa. |
| 3 | PV modules must be warranted for their output peak watt capacity which shall not be less than 90%of theinitial value at the end of 10 years and 80%of the initial value at the end of 25 years. Each module shall have RFID tag bearing the following details and RFID reader will be provided by the Contractor.(i) Name of manufacturer of PV module(ii) Name of manufacturer of solar cell(iii) Month and year of manufacture (Separately for cell & module)(iv) Country of origin separately for cell & module)(v) Peak Wattage, Im, Vm and fill factor of the module(vi) Date of year of obtaining IEC PV module, qualification, certificate including the test lab issuing IEC certificate.(vii) Unique serial no and model no. of Module.(viii) I-V curve of module.(ix) Temperature co-efficient of short circuit current for the module shall not be more than 0.50 % °C.(x) Every module must have of short circuit current bypass diode of suitable capacity.(xi) PV module must confirm to IEC 61215 /IS14286. In addition the modules must conform to IEC 61730 Part- I & II for construction and testing & safety qualification and latest minimum technical specifications.(xii) Provision of earthing & earth strip / cables etc. for earth for solar PV module / Array as per latest IS / MNRE norms to be provided.(xiii) The module shall be manufactured in 2025 & of Indian make. Product warranty shall be for 10 years & performance warranty shall be for 25 years.Note: Contractor shall submit technical data sheet I-V curve, performance warranty conditions etc. of three leading Indian manufacturing companies of solar module to Accepting Officer, before procurement, through GE duly recommended by CWE for approval. The make shall be approved by Accepting Officer. The decision of Accepting Officer in this regard shall be final and binding. |
| 4 | Supply, installation, testing & commissioning of 21 KW or nearest available size on higher side, 800 Voltage AC supply, 50 Hz,3 phase THD < 3% at nominal Power, Solar Power inverter suitable to convert DC power of solar PV module / array to AC & conforming to IEC-61683 for efficiency, IEC-62109 (1 & 2) or equivalent for safety & IEC-62093 for reliability.(a) The input D.C tech specification of inverter are as follows: (i) Max DC power-100 KWp.(ii) Max I/P voltage = 1100V.(iii) MPPT voltage range = 160-1000V.(iv) No. of MPP trackers = 08.(v) No. of DC I/P = 16.(vi) Max I/P current= as per design requirement.(vii) Max I/P short ckt current =as per design requirement.(b) The Output A/C tech specification of inverter are as follows:(i) AC O/Ppower < not less than 21 KVA.(ii) Max. output power: 110 kW.(iii) Ratedvoltage: 3/N/PE, 220 V / 380 V, 230 V / 400 V.(iv) Ratedoutput current: 152.0 A / 144.3 A.(v) Max. output current: 167.1 A.(vi) THD < 3%.(vii) P.F = > 0.99 (0.8 leading - 0.8 lagging). |
| 5 | The inverter shall have minimum protection to IP 66 & minimum European efficiency98% load as per IEC 61683 standard. The inverter shall be self-communicated with pulse width modulation (PWM) technology and shall be capable of synchronize maximum within 1 minute. Maximum Power point tracker (MPPT) conforming to IEC-62093 shall be integratedin the inverter to maximize energy drawn from the solar PV array.The inverter shall have following Protections:- (i) DC reverse connection.(ii) AC short Ckt.(iii) Leakage current.(iv) Anti PID & PID recovery function.(v) Over voltage protection.Invertor shall monitor the following (i) Ground fault.(ii) PV String current.Notes:-(a) Inverter shall have arrangement for adjusting DC input current & shall trip against sustainable fault down stream and shall not restart till fault is rectified. (b) The inverter should have provision of galvanized isolation, Anti-islanding protection (IEEE 1547 /UL 1741) equivalent BIS standard and Lighting.(c) Rates forPCC foundation including required concreting & steel fixing as instructed & directed by engineer-in-charge are deemed to be included in quoted rates. |
| 6 | Isolation method: transformer less, smart forced cooling, LED display, RS 485/PLC communication.Note: Contractor shall submit technical data sheet of three leading Indian manufacturing companies of solar invertor to Accepting Officer, before procurement, through GE duly recommended by CWE for approval. The make shall be approved by Accepting Officer. The decision of Accepting Officer in this regard shall be final and binding.Battery Bank :-12V 150 AH SMF batteries - 18 NosModules Mounting Structure(MMS) |
| 7 | Material and labour for MS Hot dip Galvanised (80 Micron) as per IS 4759, GI frame Structure for solar Panel mounting with all accessories Including PCC foundation (excavation, cutting, Grouting, PCC etc. complete). Fixing arrangements for fixing the PV solar modules & to withstand minimum horizontal wind speed of 180 kms / hr as per IS. It Shall conforming to latest revision of IS 2062 having Grade of 250 MPA. The MMS shall be providedall as shown in drawing and directed by engineer-in-charge.The Solar panel shall be fixed at a tilt angle of 12° to provide maximum generation. Mounting Structure shall have following specification:-(i) Nut, Bolts & supporting structures including module mounting structure shall have to be adequately protected from atmosphere and weather prevailing in the Leh Garrison area. All fasteners shall be of stainless steel of Grade SS 316.(ii) Two numbers of anti-theft fasteners of stainless steel on two diagonally opposite corner of each module shall be provided.(iii) The test certificate from NABL approved lab for galvanising shall be submitted by contractor. The factory site of galvanising shall be visited by representive of Accepting Officer & approved by Accepting Officer after seeing the facility available at work shop. The MMS duly galvanised shall be dispatched after inspection by representive of Accepting Officer only. The decision of approval of by Accepting Officer shall be final & binding.Mounting Structure Components :as per design requirement.BOS Note:- (i) Cost of interconnecting copper cables along with cable trays (floors / wall mounted) suitable to accommodate solar grade cables & cables up to inverters shall be included in quoted rates.(ii) Earth work and foundation of MMS shall be included in quoted rates. |
| 8 | Material and labour for tinned copper conductor, 4 Sq.mm, XLPO insulated and sheathed, UV-Stabilized, Single Core Multi-Stranded DC Cables - RED & BLACK (FOR PANEL INTER CONNECTION). Complete as all specified below and directed by engineer-in-charge.(a) Construction(i) Tinned copper conductor IEC 60228, class-5.(ii) Insulation/sheath:- electron beam cross linked halogen free & flame retardant compound (XLPO).(b) Electrical(i) Voltage Test: 6500 V as per EN 50395.(ii) Max. permissible operating Voltage:- DC 1.5 KV (conductor-conductor, non earthed system).(iii)Nominal Voltage:- AC-0.6 / 1 KV & DC- 900 / 1.5 KV.(c) Temperature(i) Ambient temp. :- -40°C to +90°C.(ii) Max conductor temp. :- 40°C to +120°C.(d) Standards & Material properties(i) Fire Performance:-IEC 60332-1-2.(ii) Smoke emission:- IEC 610374 / EN 50268-2.(iii)Approval:- EN 50618, H1Z2Z2 - K. |
| 9 | Notes:(i) Contractor shall submit technical data sheet of three leading Indian manufacturing companies of DC Cableto Accepting Officer, before procurement, through GE duly recommended by CWE for approval. The make shall be approved by Accepting Officer The decision of Accepting Officer in this regard shall be final and binding.(ii) Routine testing of cable shall be carried out by rep of AOAccepting Officer at the factory premises of OEM, before dispatch.Notes for AC/DC L.T cables:(i) All cables and connectors for use of installations shall be of solar grade which can withstand harsh environment conditions including high temperature, UV radiation, rain, humidity, dirt, burial and attack by moss and microbes for 25 years and voltage as per latest IEC / IS standards.(ii) Cable Batch No. / Drum No, IS code & size make should be printed / embossed at every one metre. The cables shall be manufactured during 2025. |
| 10 | Material and labour for 25 Sq. mm,single core, PVC insulated and PVC sheathed Cu Flexible Wire-IS:7098 complete as all specified and directed by engineer- in- charge.(Green Earth Wire) |
| 11 | Material and labour for1 sq. mm, 2 Core, RS 485 Cable Twisted Shielded unarmoured Cu Cable complete as all specified and directed by engineer- in- charge. (Data Monitoring Cable for communication) |
| 12 | DCDB-1 Panel for 21 KWP Inverters Supply, installation, testing & commissioning of outdoor type, floor mounted DCDB Panel-1 suitablefor 100 kw Inverters having DC 200A BUS BAR of 100V DC, Fuses , DC Isolators of 1000V DC, Type II Surge Protection Devices of 1000V DC (2 nos), CTs 1000V DC, with a current rating of 250A to 300A per phase, overcurrent protection device (MCCB or MCB), rated for 250A or 300A per inverter input to protect the system from DC faults such as overvoltage, short circuits, and overloads. |
| 13 | ACDB-1 Panel for 21 KWP InvertersSupply, installation, testing & commissioning of outdoor type, floor mounted ACDB Panel-1 suitablefor 100 kw Inverters with NVR having 1 Input & 2 Output having IP 65 rating including for civil works (excavation, cutting, Grouting, PCC etc.) Fabrication with 3.15 mm thick CRCA Sheet Steel, 7 tankPowder Coated, single compression metal cable glands, control wiring with copper cable of suitable size complete all as specified & directed by engineer-in-charge and having following:- Incoming:-1 No. of input having MCCB, withmicroprocessor release, 25 KA,MCCB spreader Link, with R, Y, B, LED indicating Light, Digital VAF Meter CL-1, 3 No\"s Metering CT,Type- 1+2 SPD, Un AC, Imaxwith three number Aluminium Bus Bars, EC grade incl heat shrinkable PVC sleeves, cable alley complete of suitable Amp/Volt capacity as per design.Outgoing:-SOLAR GENERATION METER-01 NO, MCCB, 25 KA of suitable capacity as per design requirement, microprocessor type-01 No. |
| 14 | MONITORING SYSTEMSupply, installation, testing & commissioning of monitoring system to monitor the performance of the inverter (Power, array voltage, array current & AC parameters), energy yield, temperature, irradiance level etc. and it could provide flexible interface to facilate PC based inverter monitoring and control via GPRS modem and internet / ethernet connection. This should have include web visualization system and Data logger with integrated ethernet port.(i) Data acquisition system shall be provided for each of the solar PV plant. Data Logging provision for plant control and monitoring, time and date stamped system data logs for analysis with the high quality, including suitable PC & Printer. Metering and instrumentation for display of system parameters and status indication to be provided.(ii) Temperature:- Temperature probes for recording the solar panel temperature and ambient temp. to be provided complete with readouts integrated with the data logging system.(iii) PV array energy production:- Digital Energy Meters to log the actual value of AC / DC voltage, Current & Energy generated by the PV system provided. Energy meter along with CT /PT should be of 0.5 accuracy class.(iv) Remote monitoring & data acquisition through remote monitoring system software at the owner location with latest software / hardware configuration and service connectivity for online / real time data monitoring/ control complete to be supplied.NOTE:- Training: On successful commissioning of the plant, training shall be provided on plant operations and maintenance to a team (Engineers and Technical / operations) as nominated by accepting officers for 03 Days |
| 15 | Lightening Arrestors(LA)Supply, installation, Testing & commissioning of 5 m high, advance active Ion GeneratingEarly Stremer Emission (ESE) lighting arrestors with lightning counter to provide radius of protection of minimum 107 m at Level-IV. The Lightning arrestors shall conform to IEC 60099-4 or IS 3070 except to the extent modified in the specification. Arrestor shall be hermetically sealed units, self- supporting construction, suitable for mounting on lattice type support structures. Complete as specified and directed by the engineer-in-charge & shown in drawings.Lighting Protection system on protective Early Streamer Emission(ESE) technology confirming to NFC 17-102-2011 and UNE 21186 Standard. Non electronics based device shall emit electromagnetic impulse in the form of a streamer into the air microseconds earlier than naturally. Device confirming to NFC17-102 standards.(i) Lighting Impulse Current (10/350 µS) in 100 KA tested.(ii) Serial no. mentioned in Each Model of Air Terminal, Quality certificate(iii) Material Metal Housing Stainless Steel 304.(iv) Central Rod Dia 20 mm Electromagnetic Shielding.(v) Can be qualified in compliance of CPRI (central Power Research Institute), Govt. of India for the Impulse current of (8/20 µS) in 40 KA with 5 positive & 5 negative impulse.(vi) Covering Radius 107 meter in Level- IV Protectionwith 8 mtr mast. |
| 16 | MAST GI (supporting Mast): Supply of GI mast for mounting the terminal & adaptor with the ESE air terminal in compliance with IEC 62561-1.(i) GI Mast Length:- 4 Mtr.(ii) GI Pipe heavy duty, bottom 80mm dia,3m, middle pipe dia 65mm, 3m, top dia 50 mm, 2m.(iii) Standard: IS 1239 (Part 1): 2004.(iv) Base Plate: GI base plate Size ( 250 X 250 X 5 mm).(v) Both the GI mast to be connected with the help of 2 flanges with 4 GI plated nut, bolt. The base plate size is (300 X 300 X 6mm) GI with requisite fitted with 4 ribs/tikkito hold the mast.(vi) Necessary concrete foundation for holding the lightening conductor in position is incd in quoted rates. |
| 17 | Guy Wire Kit: Supply of Guy wire with GI Nickel coated 4mm dia. Covered with white sleeve for extra protection and avoiding rusting. Length of the Guy wire is 6 mtreach with accessories like(i) Guy wireNickel coated with white covered waterproof sleeve (ii) U Clips(iii) Pin Type Zebra Anchor Fastner(iv) O Hook Type Fastner / Eye Bolt Fastner (v) GI nut bolt- Dia 12 mm X Length 40 mm |
| 18 | Chemical Gel Earthing system : Supply for advance chemical Gel earthing system of1 no. of UL certified & CPRI tested environment friendly ground enhancing compound. To copper bonded rod shall be 3m, long 17.2 mm diameter 254microns copper bonded steel rod surrounded with 25 Kg each or more quantity of resistance lowering grounding minerals ROHS certified. Distance between the rod shall be length of the rod.(i) Tested as per IEC 62561-2(ii) CPRI Tested at 5 positive & 5 Negative impulse: 25 KA(iii) Meets the requirements as per IS 3043, IEC 60964-5-54, UL 467(iv) Standard- As per IS-3043 & IEEE80- 2000, Test certificate from NABL lab |
| 19 | Pit Chamber- Round Value Box: Supply of FRP heavy duty UV resistance, weather proofearth pit cover as per OEM recommendations |
| 20 | Material and labour for Upvc pipes of 40 mm size for DC wires, having pressure capacity of10 kg including fitting viz. joints, bends, tees, etc complete all as specified and directed by engineer-in-charge. |
| 21 | Material and labour for Upvc pipes of 25 mm size for DC wires, having pressure capacity of10 kg including fitting viz. joints, bends, tees, etc complete all as specified and directed by engineer-in-charge. |
| 22 | Material and labour of perforated hot dipped galvanized iron Cable tray having Cabletray for AC & DC Cable routing (300x50x50 mm ), thickness 1.5 mmgalvanization and perforation not more than 17.5% including fittings viz. joints, bends, tees, etc. in convenient sections of length complete all as specified and directed by the engineer-in-charge. |
| 23 | Civil material required for solar tender : Dr. Fixit: Typically used for waterproofing, this material ensures the foundation is sealed against water damage, which is crucial for solar panel installations that will be exposed to weather conditions.Aerodlite : Adhesive for Bonding Solar Structures to RoofFoundation Block (300mm x 300mm): These blocks will form the base of the solar mounting system, providing the necessary structural support for the panels.Side Parapet Support Structures: These may be made of HDGI and will act as barriers or support elements around the solar installation area, offering protection and safety. |
| 24 | Supply, installation, testing & Commissioning of outdoor type, floor mounted ACDB Panel-1 suitablefor 21 kw Inverters having 1 Input & 2 Output having IP 65 rating including PCC foundation for civil works (excavation, cutting, Grouting, PCC etc.) Fabrication with 3.15 mm thick CRCA Sheet Steel, 7 tankPowder Coated, single compression metal cable glands, control wiring with copper cable of suitable size complete all as specified & directed by engineer-in-charge and having following. |
| 25 | Other Bos Accessories includes cable ties (ss, nylon), 6 inch 6 mm nut bolt with washer, lugs,Rawal plugs,screws, cable tray, Earthing saddle, Insulator for LA , Saddle forwire. Isolators, MCCB/ ELCB, etc. |
| 26 | MC4 CONNECTORSSupply, installation, testing & commissioning of MC4 Connectors (Male / female both)having Copper pin with tin plating with1500 V DC & 30 Amp. Current. complete all as specified and directed.(i) AC Combiner Box |
| 27 | InstallationSupply and installation of a 21 kW solar rooftop power plant at the Leh Garrison Complex. This includes the full setup of solar panels, inverters, wiring. The project aims to enhance energy efficiency and reduce operational costs through renewable energy. |
| 28 | Design and EngineeringThe design and engineering of the 21 kW solar rooftop power plant at the Leh Garrison Complex involves a comprehensive assessment of the site, including structural analysis and optimal panel placement. The system will be carefully designed to maximize energy efficiency and ensure seamless integration with the existing electrical infrastructure. Our team will handle the engineering aspects, ensuring the system is tailored to meet the specific needs of the complex while adhering to industry standards. |
| 29 | The miscellaneous expenses for the 21 kW solar rooftop power plant at the Leh Garrison Complex include costs related to site preparation, transportation of materials, safety equipment, permits, and additional installation supplies. These expenses ensure smooth project execution and compliance with regulatory requirements. All associated costs are accounted for to maintain project timelines and quality standards. |
| 30 | Electrical Non-comprehensive maintenance of off Grid type solar power plant of capacity 21 Kwp and panels made with monocrystalline modules and mounted on galvanized aluminium structure complete installed against item No.1 herein before comprising of all devices and accessories including cleaning of panels throughout 12 months for period of 5 years after completion of work complete all as specified and directed. |
