improvement of water supply by replacement of electrical and mechanical equipment at various sites under ac-24 ( re-invited ) . -1 disconnection of main electric supply dismantling removing the pump and motor set lifting on the safe place dismantling of sluice valve, non return valve, delivery pipe lines wirh the help of heavy man power chain pulley block as per site requirement 2 providing of cubicle l.t. panel-board, made out of 16 swg m.s. sheet of approx. ( 650mm x 400mm x175mm ) , duly painted with complete wiring of proper size, for up to 15hp submersible pump-set. the panel should start & stop automatically, as per timings set in this. it should also re-start automatically on resumption of power in case of power failure. the panel should be floor / wall mounted i / c complete wiring & having accessories :- mcb, 63a, 3-pole, for breaking capacity – 10 ka make:- l&t / c&s ( 2 ) auto-start dol starter , heavy duty 45a 4-pole contactor type. wide band operating-coil, with overload relay, and with manual-reset, with relay-range ( 14-32 a ) make:- l&t / c&s ( 3 ) digital ammeter ( 0-100 a ) make:- ae / ue / selec ( 4 ) digital voltmeter ( 0-600v ) , make:- ae / ue / selec ( 5 ) set of indicating lamps, led-type, operational-voltage up-to 240v ( 3nos. ) make:- l&t / c&s ( 6 ) electronictimer make:-l&t / c&s ( 7 ) time-switch digital / analog type make:- l&t / c&s ( 8 ) auto-switch ( with single-phase preventer with provision to connect auto / manual switch, externally & variable on delay ( 1-10min. ) make:-minilac l&t / c&s ( 9 ) auto / manual switch ; 2-position selector-switch, centre ‘off’ with no+nc block make:- minilac ( 10 ) 2 pole power contactor ac ( 32 to 55 ) amp ( 2 nos ) make:-l&t / c&s ( 11 ) mpr 300 electronic motor proctection relay with inbuilt earth fault protection ( termal relay range 32 a to 88 a ) ( 12 ) complete wiring & assembling of electrical accessories i / c copper conductor cable, thimbles etc . 3 supply-of g.i. pipe 50mm dia, medium-class, each of 3m±3 long, duly threaded on both-ends, welded & fitted with g.i. / m.s. flange of thickness 6 mm on both ends with a slot for submersible-cable. welding of m.s strips at both ends on flange. make of pipe: jindal / tata. hsn code:- 7308 4 supply of three core flat cable with bare bunched copper conductor insulated & sheathed with pvc for submersible pump motor with voltage grade upto 1100v of 6.0 sq mm. size in 100mtr. roll. make: finolex / havells hsn code:-8544 5 supply-of tail-piece of medium-class g.i.-pipe 500 mm long with one-end threaded, as per out-let of pump and another-end flanged, as per size of g.i. pipe 50 mm dia. nmake of pipe: jindal / tata. hsn code:- 7307 n 6 supply-of g.i. bend 90o x 50 mm dia, having flange at both-ends. hsn code:- 7307 7 supply-of nut-bolts, ½” dia of different size i.e. 1.5” & 2.5” long, threaded of good quality. hsn code:-7318 8 supply-of rubber-packing for 50mm dia flange. hsn code:-4008 9 supply-of orifice-assembly 50mm dia, 0.6 meter long, double-flange. hsn code:- 7307 10 supply-of bore-cover plate of size: 200 mm dia, made out from 6 mm thick m.s.-sheet in 2-halves and a circular-hole of 50 mm dia in center with locking arrangement by nuts & bolts. hsn code:- 7307 11 supply of ci df non rising spindle sluice valve pn 1.0 / is:14846 ci body / wedge / bronze rins / ss / l410 shaft construction of size: - 50 mm. make: kirloslar / ivc hsn code:- 8481 12 supply-of c.i. d / f swing-type non-return valve, as per 1s:5312 ( part 1 & 2 ) pn 1.6, 1s:14846, c.i. body door of size: 50 mm dia. make: kirloskar / ivc hsn code:- 8481 13 s / o kit kat board made out of wood having 3 nos. 63amp. kit kat with rewireable fuse. make of kit kat: havells hsn code:- 8535 14 installation of pump and motor, sluice valve nrv on delivery side pipe and flange nut bolt washer the job i / c all tools and tackles, safety equipments and other precautions etc. for each twell.