PROVISION OF ROOF TOP SOLAR PHOTO VOLTAIC SUPPLY

Amount

Supply, install, testing and commissioning of Solar PV plant of 20 KWp capacity including solar grade DC copper cable upto Inverter, array junction boxes & as conditions prevailing at Coimbatore Tamil Nadu maximum temperature rise upto 55 degree celcius, inveter, lithium batteries of capacity 12 volt 30 AH 16 Nos for upto 3 Hrs backup, auto transfer switch with power monitering relays for solar/commercial supply and other details as follows (a) Solar panel to obtain 20 KWp minimum required Numbers of Poly crystalline silicon solar PV modules of geater than or equal to 380 Wp each with high transmittivity glass of 3.2 mm thick and glass front surface shall give high encapsulation gain. (transmittance above 90%) with 72 Mono perc solar cells(156x156mm)

(b) It shall also in conformity of latst minimum technical specifications issued by MNRE from time to time. (c) Provision of earthing & earth strip/cables etc. for earth for solar PV module/Array etc. as per latest IS/MNRE norms to be provided and the cost of the same is to be included in this item Minimum 54 panels (d) Design, Supply and erect Module Mounting Structure made of MS hot dipped Galvanised Iron angle / channel sections not less than 6 mm thick minimum 150 Microns galvanising thickness including earthwork and PCC foundation and fixing the mounting arrangement suitable for PV solar modules to with stand minimum horizontal wind speed. The array structure shall be so designed that it will occupy minimum space without sacrificing the output from Solar PV panels. All fastners shall be of stainless steel. (e) String Combiner Boxes suitably rated output having separate DC fuses for both (+) and (-) on input (f) 20 KW, 50 Hz ± 3 Hz (minimum) 3 phase 400 to 415V, nominal power inverter suitable to convert DC power of solar PV module/array to AC for further feeding to grid Supply

(g) DC Cables 1C x 4 Sq mm Copper Solar DC cables from String formation to String Combiner Box (h) Controller for Solar PV & Controller for Grid for new building including necessary civil work required at site for placing of inverter and battery banks PV panels mounting stracture and partion ,door etc/ safety arrangment as required at site (j) AC distriburtion board for OV modules and monitering devices for electrical parameters Voltage, Current, Frequncy,& power of different phases (k) provide Indication lamps and Lightning arresters for complete system all as directed (off grid type). Note:- (i)The rate quoted shall incusive of the material and labour cost of PV modules , Power Conditioning Unit, Batteries, Battery bank accessories with metal rack, Main Junction box with brackets, Array Junction box with brackets, installation kit for Power Pack, hardware kit for structure, necessary earthing and Lightning Arrester as per manufacturer specification, necessary connection using suitable size multistranded copper conductor cable from PV modules and battery bank to PCU. (ii) PCC for foundation / civil work required at site .(iii)Waranty for power plant/system 5years, PV Panels waranty 15 years. Make:- Hykon solar Ltd or Equivalent

Supply & fix exhaust fan Bajaj Maxima Dxl 300 mm 5 blade, single phase, 230/240 volts, 300 mm sweep complete with & including necessary opening in existing wall, making good to match with the existing finishes and necessary wiring as per site requirement and all as specified and directed by Engr-in-charge. Make Bajaj Maxima Dxl 300 mm 5 blade , or equivelent in Havells /Usha

Green Ray Technologies

D NAGI REDDY

TECKXPERT ENTERPRISES