PROVISION OF ROOF TOP SOLAR POWER PLANT AT 116 TA PARA UNDER THE AOR OF GE DEVLALI

Solar Power Plant not less than 45KW Design, Supply, installation testing and commissioning of solar PV modules of 545Wp of type Mono Perc Half Cut (Mono crystalline) - Minimum 545 Wp each panel Solar Mono Perc144 Cells Module, with module efficiency, 21 % at Standard test conditions with anti reflective coating and anti dust coating confirming to IEC 61215 and IEC 61730 complete including AC DB (with NVR, contactor) & DC DB electrical connection and mounting on GI structure frame all as specified and directed. Following items/equipments are included in rate quoted. Make - TATA/ADANI/WARREE/VIKRAM/MAHINDRA equivalent make from ALMM List I of MNRE with solar cells manufactured in INDIA Location - OR Line 1, 116 TA PARA Location - OR Line 2, 116 TA PARA

Supply, Installation & Erection of suitable height as directed by engineer-in- charge module mounting structure with required accessories for panel mounting [ Material : Hot - dip galvanized mild steel (minimum 80um zinc coating ] suitable for 45 KW roof top solar power plant. Column & Rafters with digging, cementing and panel laying, (STADD PRO - 180KMPH WIND), structure standard for solar panels. Structure shall be mounted using RCC/ PCC blocks. MS mounting structures may be used for mounting of solarpanels . Each structure should have angle of inclination as per site conditions to make maximum insolaltion. Including structure with suitable ladder, walkway & including water pipelines, fittings, Jet Valves & pump of suitable capacity with electric cable and connection complete for cleaning of solar panels with accessories Structure must have MS Chequered plate, 600mm width, load capacity 150 Kg/m2 & Ladder. GI /MS, 450mm width with handrails. It has to follow IS safety standards

Supply, installation, testing and commissioning of 50KW of Grid Tied String Inverter: 415V AC, 50Hz, 50 KW respectively at given load condition) IP 65 out door wall mountaing, with efficiency not less than 97% confirming to IEC 600682-2/vde standards with multifunctional LED indications with alarm and complying the following:- (1) Operating frequency/ range- 50 Hz (49 to 51 Hz), Grid Frequency Synchronization range ± 1 Hz or more (shall also compatible for Synchronization with DG Set) Waveform- Sine Wave Harmonics AC side total. (2) Ripple DC voltage ripple content shall not be more than1% (3) Harmonic current distortion(<3%) (4) The benchmarking efficiency criteria for the Grid tied ( central/string) inverter • At nominal voltage and full load is >95% • For load >25% is >94%. (5) No load losses should not be more than 5%. Power Factor > 0.9 complete all as specified and directed by the engineer- in- charge. Makes: ABB, Hitachi, Havells.

S&F Outdoor type IP 55, powder coated, 1.6 mm thickness, with stand of minimum height 2 feet, 1 In 1 Out LT Panel configuration with 160A/100A/80a MCCB, AC SPD Type 2 complete, minimum Size of Enclosure shall be 700 mm x600 mm x300 mm (IP 55) along with 4 pole MCCB 160/100/80 Amps, AC Surge Protection Device-3 ph of 40 kA (as per IEC 60364-5-53), 4 Indication Lamp- R, Y, B.,with multi functional meter 3 phase, 415 Volt (Voltage , Current, Power and Energy unit measurement (KWH)), including Copper Busbar including connecting lugs and Double compression glands etc complete as specified and directed. Make: Switchgear: Siemens, L&T, Legrand , Schneider, SPD: Citel/ Phoenix/ OBO. (Note:- Rate quoted is inclusive of integration & synchronisation with existing three phase LT panel supply source.)

M & L DCDB, ACDB, JCB & three phase bidirection energy meter as per description mentioned below. a) Supply, installation connection & testing of AC DB shall be metal clad, totally enclosed, rigid,wall mounted, air ventelator, cubical type suitable for operation on three phase, 415 volts, 50 Hz, 45KW with type 2 SPD NVR & contactor having provision of incoming & outgoing armoured cable) The panels shall be designed for minimum expected ambient temperature of 45 degree Celsius, 80 percent humidity and dusty weather. All indoor panels will have protection of IP54 or better. All outdoor panels will have protection of IP65 or better. All the 415 volts devices / equipment like bus support insulators, circuit breakers, SPDs, VTs etc., mounted inside the switchgear shall be suitable for continuous operation and satisfactory performance. 1 Nos b) Supply, installation connection & testing of DC DB, IP65 Panel shall be metal clad, totally enclosed, rigid, wall mounted, air ventelator, with suitable current rating, 1000 Volts string fuses, DC MCB of 45 Amp, 1000 Volts & DC SPD 1000 Volts as per DC input rating of invertor. 1 Nos c) S & F FRP (Hensel or equivalent make)/PP/ABS with dust, water and vermin proof. provided with proper locking arrangements. Series / Array Junction Box (SJB/AJB) (whichever is required): All the arrays of the modules shall be connected to DC DB. AJB shall have terminals of bus-bar arrangement of appropriate size. Male & Female pair of MC4 connectors compatible with 4sqmm 2 DC solar cable. 1 Nos d) Supply, installation connection & testing of Bi-directional energy meter 415V, 50Hz, three Phase with CT configuration as per latest IS-16444 suitable for 45KW Solar power plant complete - 1 Nos

M&L 1.1 kV grade 3.5 core 50 mm² PVC or, XLPE insulated and PVC sheathed, multi-core multi- stranded copper armoured cables shall be used; Outdoor AC cables shall have a UV- stabilized outer sheath all as specified and directed. (To be Used from inverter output to LT Panel)

M&L 4 sq mm (single core) DC Cable XLPE insulated and sheathed, UV-stabilized, multistranded flexible copper cable, should be colour coded, complete as all specified and directed. It should include DWC HDPE pipe of conduit pipe of suitable size and clamps. Makes : Havells/Polycab Note : All AC/DC copper cable must be laid through DWC (N-450) PIPE of suitable size .

M&L GI Strip (HDG Grade ) / copper strip ( EC Grade ) of adequate size as per OEM recommendations with saddles and fixing screws etc. for roof conductors and down conductors above ground for all lightening protectors, solar [panel, inverters, ACDB, DCDB all as specified and directed.

M&L Chemical earthing in any type of strata (hard/loose) with Material/ Backfill compound shall be Highly Conductive Compound, maintenance free. The watering shall be required at the time of its installation only. No re-charging with water, salts or any other chemical shall be required and it shall maintain almost constant earth resistance during its life cycle without manual watering.(Earthing Rod of 19 mm D X 2m Long 250 micron Cu bonded rod with chemical material) with Laying of Earthing copper Strip of 25x3 mm complete all as directed.

M&L Earthing complete with galvanized mild steel earth plate electrode size 600x600x6mm thick buried directly in ground (Preferably in vertical position) earth pit not less than 2.25 meter below normal ground level with top edge of the earth plate not less 1.5 meter (BGL) connected to galvanized iron earth lead wire 4mm dia by means of bolts, nuts, check nut and washer of galvanized iron including PCC pit in RCC 1:2:4 type B-1, precast RCC cover with suitable handle, excavation and earth work in any type of soil, 20mm bore “medium grade” galvanized iron water tubing fixed with cast iron funnel and wire mesh and 15mm bore “light grade” galvanized iron protection pipe for earth lead wire upto 5m length, charcoal, common salt, complete all as shown in EP No 3 of SSR 2009 part-I, connected to test point complete, all as specified and testing on completion.