PROVISION OF SOLAR POWER PANEL SPV ON BUILDING P-79 AT INS TANAJI AND BUILDING NO P-13 AT CABS FOR POWER GENERATION UNDER GE NW MANKHURD

Amount

Supply, install, testing, design and commissioning of Solar PV modules to meet cumulative rated capacity of 15 KWp at STOC( Standard Test Operating Condition). Modules will be of Poly Crystalline type with 72 cells and minimum rating of 315 Wp with positive tolerance, with minimum 1100 mm cable length. Module efficincy >16.5%, fill factor>0.7, performance ratio more than or equivalent to 75%,module will be free of PID, module connector suitable for MC4/Bizlink and jucntion box with minmimum IP 67 rating. Module NOCT( Nominal Operating Cell Temperature) will be 45±°C with temperature coefficient of power <0.4%/°C, and will be suitable for operation from -20°C to +60°C ambient temperature. Modules will be combined to make array & string of panels to maximize power output along with supply and installation of necessary accessories like fuses, array/string junction box etc., Modules will be certified for relevant dust standards (Applicable standard would be IEC 60068-2-68). Modules shall be deployed with RF id tag inside lamination as per MNRE guidelines. Guranteed electrical degradation of power generated not exceeding 20% of the minimum rated power over the 25 year period and not more than 10% after ten years period of the full rated original output. Warranty against manufacturing defect, raw material, workmanship, inspection and testing procedures shall be 5 years from the date of commissioning. Modules shall be certified as per IEC 61215-Edition -II, IEC 61646 and IEC 61730-1 & 2 and other applicable IEC/IS standards. It shall perform satisfactorily in relative humidity 85 ± 5%l) and should withstand wind 170 KPH on the surface of the panel.

Module Mounting Structure: Supply ,fabricate and erection of mould mounting type structure hot dip galvanisied mild steel with coating not less than 85 Microns and suitable to wind load 170 KMPH and electrolytically compatible channels,bracing perlins Size as per IS code Design, electromagnite washers nut , bolt inclduing cutting drilling etc. The design shouble be as per relevent latest IS-2061 and galvanizing as per IS-4759. It should be suitable for the wind speed, sun light and climate condition of the plant location. The design life should be more than 25 years and minimum yield strength of 340 MPA. Module Ground Clearance shall be 500mm ± 100mm. Properties of RHS(Hollow steel sections for structural use -Specification [MTD 19: Steel Tubes, Pipes abd Fittings]) will conform to IS 4923:1997. HDG (Hot Dip Galvanizing ) Fasteners of 4.6 grade and 8.8 grade for Structure.The Module Mounting Structure to be of Manual Seasonal tilt of 0 degree to 45 degree to provide maximum generation.The structure should be suitable for easy removing and refixing of PV modules of the solar plant all as specified and as directed by Engr-in-Charge. NOTE:- foundation shall be paid seperatly as per relevent item no.14 of BOQ

Design, Supply, installation, testing and commissioning of grid tied 3 phase string inverter outdoor type of with minimum IP 65 rating, with minimum 15KVA AC output at 50°C ambient temperature. Minimum European efficiency of the inverter shall be 98% load as per IEC 61683 standard for measuring efficiency. Maximum DC input voltage shall be 1000 V and inverter supplied shall have upto 10% additional DC input capacity. (Array to Inverter Ratio 1:1), 3 phase AC Nominal Output voltage 415 V (with ±10% range ), Frequency 50Hz (±10% range), PF at rated output capacity: 1 (with range from 0.8 lag to 0.8 lead), Total ITHD: < 3%, Operating temperature range : - 20°C to + 60°C. All inverters should consist of associated control, protection and data logging devices and remote monitoring hardware and compatible with software used for string level monitoring.all as specified and as directed . Other important features/ protection required in the inverter are as under:-

(i) Automatic morning wake-up and nightly shutdown. (ii) Mains (Grid ) over-under voltage and frequency protection. (iii) Galvanic isolation and fool proof protection against ISLANDING . (iv) Included authentic tracking of the solar arrays maximum power operation voltage (MPPT). (v) Array ground fault detection. (vi) LCD and Piezoelectric keypad operator interface Menu driven. (vii) Automatic fault condtions reset for all parameter like voltage, frequency and /or black out. (viii) Metal Oxide Varistor(MOV) type surge arrester on AC and DC terminals for over voltage ptotection from lightning -induced surges. (ix) Provision for input and output isolation. (x) Inverter shall be installed on GI stand made by the angle size 50mm x 50mm x 6mm. Structure burried in ground and shall be 450mm above ground level. Grid Connectivity: Relevant CERC/RERC regulations and grid code as amended and revised from time to time shall be complied. Inverter shall adjust the voltage & frequency levels to suit the Grid.complete all as specified and directed.

Supply and installation of branch, MC4 Male/Female connectors set compatible with module connectors with min of IP66 rating and design with suitable lugs for 4 Sqmm Cable complete all as specified and directed.

Design, Supply, install, laying with PVC conduits, lugs, nails, cable ties, termination etc., testing and commissioning of annealed single copper DC String cable of 1C x 4 Sqmm Solar grade, UV resistant 1.8 kV rated DC Cables with elctron beam XLPO insultaion confirming to IEC 60754-1 & IEC 60754-2, IEC 60332-1, IEC 60332-3-24., IEC 61034. Temperature range -40 to +120 C complete all as specified and directed. Average energy loss in DC cabling shall be <1.5% from solar panel to inverter. complete all as specified and directed.

Design, Supply, install, laying with conduits, lugs, nails, cable ties, termination etc., testing and commissioning of PVC insultated multistranded copper cable of 1C x 4 Sqmm for module to module earthing confirming to IEC and IS standards. complete all as specified and directed. 1.1 KV rated AC cable

Design, Supply, install, laying with, lugs, nails, cable ties, termination etc., testing and commissioning of AC multistranded copper cable of 5C x 4 Sqmm from inverters to AC panels as per inverter and panel design, UV resistant 1.1 kV rated, PVC/XLPE insultaion confirming to IEC and IS standards. Temperature range -40 to +1200 C.complete all as specified and directed.

Desing, Supply, laying in wall/tray with necessay lugs, cable termination kits, testing and installation of power cable from AC panel to main LT panel of XLPE insulated 3.5C x 25 Sqmm, 1.1KV, multistranded Aluminium Armoured LT cable as per relevant IS complete all as specified and directed.

Supply, installation, testing and comissioning of weather and vermin proof outdoor type LT Panel factory made, front openable, Single door type,IP-54 CPRI approved fabricated out of 3 mm thick CRCA (Cold Rolled Closed Annealed Cell) sheet compartmentalized design of suitable size including mild steel channel frame of ISMC 75 at the base of panel only for grouting purpose, and grouted in M-20grade concrete (Nominal Mix) using 20 mm graded stone aggregate, duly epoxy powder coated, complete with heat shrink insulated aluminium bus bar of 200 Amps rating 4 Nos, including all connections with aluminium strips. Pillar box shall be provided with danger notice plate with skull & bone sign, PVC gasketed and sealed, making all incoming and out going electrical cable connecetions with new lugs, glands to be provided at cable entries, including angle iron support 50x50x6 mm with 50 CM height from ground level at the base of panel complete all as specified and as directed (Qty-1 Nos). Each panel shall be comprising of following accessories:-

M&L for earthing complete with GI earth plate electrode 600 x 600 x 3 mm buried directly in ground with top edge of the plate not less than 1.5 mtrs below normal gound level and connected to earth test point by means of GI Strip of size 32x6 mm all as specified and shown in electric plate No 3 of MES SSR Part-I 2009 including earthwork, PCC chamber, CI cover, protection and watering pipe, funnel, mesh etc all as required at site and all as directed. Note: (1). 7.5 RM GI strip in deemed to be included in quoted rates beyond 7.5 RM strip shall be measured and paid separately (2) Rate quoted by the tenderer is deemed to include salt & Charcoal upto & above 450 mm top of GI earth plate, complete all as specified and directed.

Supply, laying and testing of 25 mm X 3 mm flat aluminium earthing strip as per applicable standards, complete all as specified and directed.

Supply and fix DC DB,/ combiner box to disconnect DC supply before Inverter with and including 1000V DC SPD, 800V 16A DC MCB, 1000 V 20 DC Isolator and connectors in Combiner Box suitable for solar inverter output upto 30 KW , complete all as specified and directed.

Supply and fix MCCB of capacity 40 Amps 4 pole, 18 KA with enclosure including such as Hinges,nut,bolts,washers,clamps etc complete all as specified and directed.

Precast concrete Blocks of 250 x 250 x 250 mm for module mounting structure, including nut/bolts of required size as per OEM recommended, complete all as specified and directed.

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