1no new clustered consisting 6 nos. LDTW(solar) with PVC pipe at Mouza- Amdhara , Block Bolpur Sriniketan

SUPPLY OF COLUMN PIPES : a) 80 mm dia(NB) Column Pipe one end screwed and other end with standard flange (3m long) as per IS Specification TOP

b) 80 mm dia(NB) Column Pipe both end screwed and one end socketed (3m long) as per IS Specification BOTTOM

SUPPLY OF ELECTRICAL ACCESSORIES 3 Core 2.5 sqmm Flat Weather Proof Copper PVC insulated heavy cable as per IS Specification (Brimsin or of any other reputed brand as per direction of EIC).

SUPPLY OF OTHER M.S. ACCESSORIES 80mm dia 6 mm thick heavy duty M S supporting clamp with 2 nos. 12 mm dia 65 mm long bolts, nuts, washer on each side for holding Column Pipe.

80 mm dia Nominal size (PD) ISI marked Sluice Valves Pressure designation P.N. 1.6 with hand wheel for water works purpose, CI flanged type conforming to IS: 14846/2000 with amdt. No. 1 & 2 . The valves shall be tested for (closed end test) against Hydrostatic test requirement.

80 mm (NB) MS /GI ERW 90 degree Bend as per IS 1239 (Part-II)/1992 with latest amendment, both end welded with flange as per IS 6392/1971, Table-17 with latest amendments. Both bend & flange are duly ISI certification marked.

Lay Flat hose of 75 mm nominal size polyster reinforced lay flat hose (the hose should has, wall thickness 1.3 ± 0.3 mm working pressure 3.0 kg/m2 & brusting pressure (9 kg/m2). The Lay flat hose should have a standard length of 100/200 m roll.

Solar Pumping System. Solar Module: Supply , transport , installation and commissioning of ISI marked Solar Modules as per following specification: ( 1) Cell: Indigenous mono crystalline silicon SPV cells (2.) Solar Module: Monocrystalline cell with PERC technology / module with bifacial cell. ( 3.) Standards: ISI marked as per IS 14286 and having certification of IEC 61853(1), 61730(1&2), 61710 (4) .Modules must qualify to IS 170210 (Part 1) ( 5).Min. Efficiency: 19.5%. ( 6.) Fill factor: More than 75% . (7.) Module wattage mismatch in the SPV array: within ±3% (8.) Wattage output warranty:Should not be less than 90% at the end of 10 years and 80% at the end of 25 years. (9.) The power output of individual PV modules used in the PV array, under STC: minimum 300 Wp. Necessary test certificates also to be supplied. For detail information please see Cl. no. 2.1 of technical specification . d)For 5 HP Off-grid / On-grid Solar Water Pumping System with Monocrystalline/ Monocrystalline PERC/bifacial SPV modules - 5400-5800 Wp.

Module Mounting Structure : Supply , transportation & installation of G.I manual tracking / Fixed structure made of MS hollow sections, pipes, plates, angles etc as per IS:4923, IS:1161/1239, IS:1079/2062, to hold min 300 Wp SPV Module as per drawing and technical specification. The steel structure is to be protected with minimum 80 micron galvanisation(hot dip) and provided with fixed arrangement or dual axis manual tracking arrangement for three times in a day and seasonal tilting to face the sun optimally. The approximate weight of the Module Mounting Structure given in Clause no.5.1 should be followed.( 1 no. 6 module + 1 no. 4 module Fixed str.)

Foundation of Module Mounting Structure: Suitable and stable Reinforced Cement Concrete foundation for dual axis manual tracking SPV Module structure as per drawing. For 4 module structure