PROVN OF SOLAR ROOF TOP GRID SYSTEM WITHOUT BATTERY CAPACITY OF 15 KW AT HQ CENTRAL COMD OPS ROOM BLDG UNDER GE E/M LUCKNOW

Amount

Supply installation,commissioning and testing solar roof top grid system (without battery) of capacity of 15 KW at HQ central command (Ops Room Bldg) with comprising of the following :- (a) Polycrystalline Photovoltaic Module of 330-340 Wp Each. The PV modules used must qualify to the latest edition of IEC PV module qualification test or equivalent BIS standards. Crystalline Silicon Solar Cell Modules IEC 61215. In addition, the modules must conform to IEC 61730 Part-1 - requirements for construction & Part-2 requirements for testing, for safety qualification or equivalent IS. I-V curve of module at STC should be provided by bidder. The total solar PV array capacity should not be less than allocated capacity (kWp).The module frame shall be made of corrosion resistant materials silver anodized aluminum alloy. The contractor shall carefully design & accommodate requisite numbers of the modules to achieve the rated power. The module junction box should not be less than IP67 protection. The manufacturer should warrant the Solar Module(s) to be free from the defects and/or failures specified below for a period not less than ten(10) years from the date of sale to the original customer complete all as specified and directed. The make of Solar PV modules should be : TATA/Havells/ Panasonic

Srl (b) Contd... The mounting structure steel shall be as per latest IS 2062: 1992 and galvanization of the mounting structure shall be in compliance of latest IS 4759.The minimum clearance of the structure from the roof level should be 0.5 mtrs. and upper limit should be as per site conditions.The make of the structure TATA / Jindal Hissar / SAIL / Vizag.

(c ) Civil Work : Providing and laying of cement concrete, grade of mix 1:2:4 type B1 using 20 mm graded stone aggregate ) , in foundation floors, etc. including ramming, dewatering, shuttering, shoring, strutting, curing etc complete all as specified and directed .

(d) Earthing and LA : - Contractor has to install 01 No. Lightening Arrestor conventional 25 mtr radious and earthing will do 03 Nos. chemical jel earthing with kit 02 metre , 20 Kg bag earthing as per IS3043 for system. (One for structure, one for Inverter & one for lightening Arrestor) etc complete all as specified and directed. Note : Detailed project execution programmer shall be submitted along with the offer. The contractor shall be responsible for arranging all the tools /tackles and manpower for installation and commissioning of the complete system. The contracotor shall provide all necessary hoists, ladders, scaffoldings, Transportation of labour and materials necessary for proper execution and completion of the work. The contractor during the execution of work shall coordinate with other agencies/existing associated work with the project and shall work in harmony with them without causing any hindrance or obstruction to the work.

Supply, installation, testing and commissioning of 17KW-3 phase On Grid String Inverter with an effective efficiency of more than 97.5% & max. input voltage not less than 900 Vdc with IP65 & reverse polarity protection. Grid Tie Inverter should be designed to work with Power Optimizers Module Level MPPT (Module power point tracking) providing Constant string voltage and should have anti-islanding feature. Inverter shall have facility to display basic parameters of the system. Inverter shall be tested for islanding protection performance and shall comply with IEC-62103 (EN50178), IEC62109, AS3100. In case of anti-islanding, DC Voltage must be cut off from all panels. The DC generation from each panel during AC cut off must not be more than 1V. The Inverters should be tested from the MNRE approved test centers / NABL/ BIS/IEC accredited testing calibration laboratories. In case of imported units, these should be approved by international test houses. Warranty of the inverter must not be less than 12 years or more. The make of the Inverter should be Solaredge or equivalent ABB/Delta as approved by GE

Supply, installation, testing and commissioning of DC Power optimizers to provide DC safety and suitable for module level monitoring of the system if internet is provided by user. The optimizer to be mounted behind Solar PV module and should not have less than IP68 protection. Power Optimizer CC/DC converter with constant string voltage feature and which is connected one to every one or two PV Modules(≥ 10 KWp) to provide individual module level Maximum Power Point Tracking (MPPT) for mitigating all types of modules mismatch-loss, manufacturing tolerances and partial shading. Power Optimizer should also be capable for advanced, real-time performance measurement. Optimizer to be able to instantaneously clamp DC Voltage to 1 V DC (Safe DC) per optimizer when AC power is shut off for installer and firefighter safety.The make of DC Power Optimizer should be SolarEdge/ or equivalent ABB/Delta as approved by GE .

Supply and installation of DC distribution board shall be provided in between solar array and On-Grid Inverter. The junction boxes shall be suitable configuration In and 1 out also made of FRP / Thermo Plastic with impact resistant transparent cover, waterproof, dust free, vermin with IP65 protection. The junction boxes shall have suitable cable entry points fitted with cable glands of appropriate sizes for both incoming and outgoing cables. Suitable markings shall be provided on the bus bar for easy identification and cable ferrules shall be fitted at the cable termination points for identification. The array box shall also have suitable fuses & surge protection. Make of the DC Distribution or Array Junction Box should be : Hansel / Havells/ Spelsberg / TTPL / Phoenix Mecanno Make of the DC Distrubution or Array Juntion Box should be : Hensel / Spelsberg / TTPL / Phoenix Mecanno

AC Distribution box for combining all above Grid Tie Solar inverter with suitable copper bus bar of rating for (RYB), Input and output glands complete with 1 Nos. Class I + II Surge Protective Device both side, 1 Nos. Multi-Function Meter Class 0.5 complete with CTs, Incomers MCCB 4 pole 40 Amp-01 Nos & Outgoing MCCB 40 Amp 4 pole 16 KA -01 Nos, suitable for cable, Polycarbonate IP 65 Enclosure complete all as specified and directed. Make of AC Distribution Board Legrand/Seimens/Schneider

Supply and Laying of Cables of appropriate size to be used in the system shall have the following characteristics: Will meet IS 694/1554 standards Temp. Range –10ºC to +80ºC.Voltage rating 660/1000V excellent resistance to heat, cold, water, oil, abrasion, UV radiation. Flexible Cabling on DC side of the system shall be as short as possible to minimize the voltage drop in the wiring. The construction of DC Cable shall be in a two layer construction with a low smoke halogen-free, flame retardant and sunlight resistant cross-linked compound outer layer and halogen-free thermoset polyolefin inner layer. Suitable for continuous operating temperature of 90°C wet or dry complete all as specified and directed. (i) Solar Cable - For String Connections -1 C X 6 Sq mm Tinned Copper Cables, UV resistant, Solar Cable , TUV certified: 1800 (ii) AC Cables (Inverter to AC Distribution Box Panel )- 4 C X 10 Sq mm m, Power cables Cu conductor, XLPE insulation, un-armoured, PVC outer sheath, 1100V. (iii) AC Cables (AC Distribution Box Panel to Main LT Panels)- 4 C X 16 sqmm cable, Power cable Al / Cu conductor, XLPE insulation, armoured, PVC outer sheath, 1100V. Vdc- Vertical Flame Performance: EN 60332-1, Excellent UV and Ozone resistant. Suitable for wet, damp and humid locations Specially designed for excellent flexibility Compatible with all major connectors. Cold bend and impact: -40°C. Make of cable should be RR cable/Polycab/Havells

Prime power system