NIT No. 13 (25-26) Item No. 1

Dismantling of existing damaged pump sets, delivery line, valve, NRVs and allied accessories from the site with the help of manual labour and electric welding set, gas cutter, electric cutter using proper logistics arrangements and all safety precautions etc.

Supply of Panel board suitable for 415 Volts, 3 Phase, 50 Hz, 4 Wire System for operation of 5-7.5HP 3 nos. Submersible Pump, made out of 2mm thick CRCA sheet for load bearing members, totally enclosed, powder coated free standing, floor mounted type, dust& vermin proof, outward opening, lockable doors having hidden hinges and a bolted back cover both using non-deteriorating neoprene rubber gaskets. Each part of the fabricated panel will be strictly subjected to seven tank treatments. The various components, assemblies and sub equipment of the panel will be as per standard given in relevant IS. The bus bar shall be Aluminum rectangular cross section size 20 mm x 5 mm strip per phase, rating 100 Amp. The panel will be shaped out of high conductivity, electrolytic conductor and shall be liberal sized. The bus bar will be covered with heat shrinkable PVC sleeve throughout in red, yellow & blue color to identify three phases & black for neutral. The bus-bar support insulator made of non-deteriorating, vermin proof, non-hygroscopic materials such as SMC/DMC. The control wiring of the panel will be done with PVC flexible copper wires of 1.5mm cross section. Each wire will be terminating with a copper ferule crimped to the wire. The panel will have MS angle stand in 50x50x5mm size. Size of panel 900 mm (H) x 500 mm (W) 250mm (D). Having MCCB 125Amp. 415V, 50Hz 36 kA TPN of High breaking capacity, 1 No., DOL Starter with overload relay & push botton. - 3 Nos. (with aux contact block), motor protection relay (under voltage/over voltage/under current/ dry run/ single phase preventer) - 3 No, Indicating lights RYB - 9 Nos., on-off - 3 set, Amp. Meter digital 0 - 50A size 96 X 96 mm - 1 No., Volt meter (digital type) 0 - 500V size 96 X 96mm - 4 No, controls MCB TPN 32 Amp. - 3 No., Amp. & volt meter selector switches - 4 set, Change over switch - 1 No., CT 100/5 - 12nos., terminal block 6 - way - 3 No., Make of accessories: - MCCB/MCB/Power Contactor/Timer/Relay: - L&T, Switchs/ Indicating Lights: - Havells, Amp/Volt meter: -AE

Supply of aluminum conductor PVC cable - 1.1 KV armored of size 3 core x 10 mm2.Make : Havells/finolex/ Gloster / polycab

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required up to 35 sq. mm (clamped with 1mm thick saddle) (DSR 2022 code 7.7.1)

Dismantling of existing damage GI strip earthing from equipment such as motor's earthing, Transformer's earthing, HT and Lt's panel earthing etc. and as per site required

Earthing with G.l. earth plate 600 mm X 600 mm X 6 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc. with charcoal/ coke and salt as required details of cost for one Set DSR-2022 E&M Code-5.4

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. DSR E&M 2022 item no. 5.11

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meter below ground as strip earth electrode, including connection/terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm) (DSR E&M 2022 item no. 5.9)

Testing and commissioning of installed earthing strips by earth tester and using Four Terminal Earth Tester Instrument, spikes are equidistant and in straight line to maintain electrical continuity. Take measurement in different directions.

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with piano type switch, phenolic laminated sheet, suitable size M.S. box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required (D.S.R 2022 Code No. 1.8.3) Group C