REPAIR/ COMPREHENSIVE MAINTENANCE OF 1.7 MW ROOF TOP SOLAR POWER PLANT AT 13 BRD AND 16 BRD DOMESTIC AND TECH AREA UNDER GE (AF) GURGAON NO. 1

Supply & Fixing of Solar String Inverter 20 KW of 160-1000V DC Input Voltage range and 400 V AC, Three phase, 4 wire, 50Hz+/- 2.5 Hz, Output voltage suitable to generate AC power with efficiency not less than 97%, total Harmonic distortion less than 3% & suitable for ambient temperature from -25 to +65 Degree C. The PCU Shall adjust the voltage & frequency level to suit the grid voltage & frequency. a) The Inverter shall compliance the standard as per EN 61000-6-1/-3, EN 61000-3-11/-12, IEC62109-2, IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50530 (b) Topology: Transformer less (c) Cooling: Smart Forced air cooled (d) Mounting Method: Wall Mounted (e) Make: Sungrow

Supply & Fixing of Solar String Inverter 33 KW of 160-1000V DC Input Voltage range and 400 V AC, Three phase, 4 wire, 50Hz+/- 2.5 Hz, Output voltage suitable to generate AC power with efficiency not less than 97%, total Harmonic distortion less than 3% & suitable for ambient temperature from -25 to +65 Degree C. The PCU Shall adjust the voltage & frequency level to suit the grid voltage & frequency. a) The Inverter shall compliance the standard as per EN 61000-6-1/-3, EN 61000-3-11/-12, IEC62109-2, IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50530 b) Topology: Transformer less c) Cooling: Smart Forced air cooled d) Mounting Method: Wall Mounted e) Make: Sungrow

Supply & Fixing of Solar String Inverter 50 KW of 160-1000V DC Input Voltage range and 400 V AC , Three phase , 4 wire , 50Hz+/- 2.5 Hz, Output voltage suitable to generate AC power with efficiency not less than 97%, total Harmonic distortion less than 3% & suitable for ambient temperature from -25 to +65 Degree C. The PCU Shall adjust the voltage &frequency level to suit the grid voltage & frequency. a) The Inverter shall compliance the standard as per EN 61000-6-1/-3, EN 61000-3-11/-12, IEC62109-2, IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50530 b) Topology: Transformer less c) Cooling: Smart Forced air cooled d) Mounting Method: Wall Mounted e) Make: Sungrow 33/50 kW 1 SET 162000 162000

Supply & Fixing of Solar String Inverter 60/75 KW of 160-1000V DC Input Voltage range and 400 V AC , Three phase , 4 wire , 50Hz+/- 2.5 Hz, Output voltage suitable to generate AC power with efficiency not less than 97%, total Harmonic distortion less than 3% & suitable for ambient temperature from -25 to +65 Degree C. The PCU Shall adjust the voltage &frequency level to suit the grid voltage & frequency. a) The Inverter shall compliance the standard as per EN 61000-6-1/-3, EN 61000-3-11/-12, IEC62109-2, IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50530 b) Topology: Transformer less c) Cooling: Smart Forced air cooled d)Mounting Method: Wall Mounted e) Make: Sungrow 33/50 kW 1 SET 162000 162000

Supply and Fix 4 Sqmm single core stranded PVC insulated copper conductor FR cable for connection of fittings, complete all as specified and directed.

Supply and Fix 6 Sqmm single core stranded PVC insulated copper conductor FR cable for connection of fittings, complete all as specified and directed.

Supply & Fixing of Solar PV Module* Poly Crystalline >330 Wp with Make of module as pre latest Approved List Of Module Manufacturer (ALMM) issued by MNRE, with allied hard ware including Nut Bolt, Clamps complete in all respect. make Waaree/ Adani/ Tata power solar system a) The Module used to be of 72 cells with efficiency >16% . b) The module shall confirm to IS 14286/IEC61215,IS/IEC61730-PART-1, IS/IEC61730-PART-2 c) The module used must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 Year& 80% at end of 25 Years. d) The solar module shall have anti-reflective coating to help & absorb more light in all weather conditions

Earthing complete with galvanised steel earth plate electrode size 60 cm x 60 cm, 6.3 mm thick burried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level, connected to galvanised iron or steel, earth strip 25 x 4 mm size by means of nuts, bolts check nuts and washers made of galvanised iron or steel, earth wire protected by galvanised iron pipe 15mm bore, medium grade and connected to main switch board or main control board as directed and including concrete pit in PCC 1:3:6 type C-1(using 20 mm graded stone aggregate), pre-cast RCC cover slab 30 cm x 30 cm x 10 cm with one lifting handle made of 8 mm dia MS bar funnel wire mesh, 20 mm bore galvanised iron or steel pipe medium grade for watering charcoal or coke and salt in alternate layers, necessary excavation and earth work in any type of soil complete all as shown in electrical Plate No 5 of MES Schedule Part- I and testing on completion . (Concrete pit shall be 20 cm to 30 cm away from main pit).

Supply and fix Galvanised Strip of size 25 X 4 mm in replacement UNSV or broken GI strip buried/laid in trenches fixed on wall/tower etc complete all as specified and as directed.