Repairs to 63 KVA Electrical Transformer along with other allied works of Lift Irrigation Station Zindapeer of Distt Rajouri damaged due to flash floods occurred recently

Amount

a) Repairs to 63 KVA transformer installed at L.I.S. Zindapeer by disconnecting the HT conductor & LT cables. Dismantling of supported angles by unscrewing of bolts of clamps from pole. Lifting of transformer by crane and loading in the vehicle. Placing it properly and tightening with manila rope for carriage to workshop. Unloading in the workshop in the same manner by using crane and specialized tools etc. Complete dismantling of the transformer by opening of top cover, extraction of damaged high and low voltage bush and allied parts. Extraction of burnt/damaged HV and LV coil assembly outside the oil tank. Drainage of T.Oil. Rewinding by P/f of 24 kg Al for HV coils and 14 kg Al windings for LV coils using new Aluminum wire of superior quality. Providing and fitting of 3no. HV bushes, 2 no. LV bushes, HV metal parts(bush rods 3 no.), gaskets core, nut, bolts etc. Desludging of complete T-oil and cleaning of of tank of dust, oily subustances and then welding the damaged surfaces to plug the leakage of T oil. Lowering the core assembly into the tank using chain pulley, supplying and filling of fresh T oil 100 litres(approx). Complete assembling and shifting back to site. Unloading from the vehicle and installing at designated place by using crane. Making of all the connections. Testing on load at site. The job includes cost of all materials, labour and hire charges of crane and vehicle. b) Fabrication and installation of MS staircase as replacement for washed away staircase in floods ,13 feet long 2.5 feet wide with working platform(2.5x2.5 feet) fabricated by welding the MS flats of size 40x6mm on MS angle( 40x40x6mm) frame. Welding of platform and steps of size(2.5 feet x10 inches) each by welding the MS flats of size 40x6mm to MS angle( 40x40x6mm) frame on the 2 no. 13 feet long MS channels of size 75x40mm. Staircase is to be fixed properly by welding of suitable no. of MS angle legs to be grouted in cement concrete along the sides in sump and required no. of MS angle iron posts to fix the 40mm dia MS pipes of appropriate length (40 feet approx) as railings by welding to MS angle post on both sides on both sides. The job also involves painting with one layer of primer and then two layers of piant after etching and finishing the surfaces of stair case to make it smooth for painting work. The job involves cost of material, labour, equipments along with tools and tackles including outstation charges. c) Desilting the pump house filled with sand, stones, pebbles & other unwanted materials due to flash floods at LIS zindapeer. The job involves clearance of silt, sand, pebbles, etc. from inside as well as surroundings of the pump house along with clearance of approach pathway by engaging manual labour and further disposing of the un wanted materials at a suitable distance using manual labour, Job also involves removing and disposing of mud ,dust, silt and unwanted material from the surface and from beneath the electro-mech equipments, by way of using dhoti cloth, sand paper and then cleaning of complete electro- mech. equipments with chemicals and cleaning of floor and wall of the pump house d) Repairs to 2 no’s foot valves of 200mm of LIS zinda peer by way of dismantling of foot valves along with choked suction pipes and cleaning of mud/silt from pipes and foot valves using special tools and tackles. Complete dismantling of foot valves and then providing/fitting of new leather washers cut to size, adjustment of flaps with repairs to rusted hinges. Reassembling the foot valves along with suction pipes by providing/fitting of new R.I sheets and nuts, bolts etc. Job includes cost of materials, labour charges , welding set charges , hire charges to and fro. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. e) Servicing of 2 cusec x 16m head horizontal casing pump set coupled with 20 H.P motor, 2no.s at LIS Zindapeer by way of dismantling of the pumps, de-coupling from the motor. Dismantling the pump at site cleaning the gland impeller, gland bushes and gland plates and P/F of new gland packing, nut bolts, rubber sealings, applying sufficient amount of grease in gland packing to avoid excessive wear and tear, complete assembling of pump set after carrying out necessary repairs. Re-assembling of pump set at site. The job also includes Repairs/Servicing of motor of 20H.P 2 nos. by way of opening of side covers with the help of tools & tackles/manual labour and then extraction of rotor. Cleaning the stator and allowing it dry then applying two alternate coats of varnish and drying each coat by hot air process. Fitting the rotor and greasing of bearings properly. P/F of 12 no.copper thimbles of required size for motor terminals. Reassembling the motors and coupling it with pumps. Job includes hire charges of tools & tackles, to and fro, labour charges for skilled/semiskilled labour, testing charges, cost of material used for execution of job at site. Complete Job The Rebate on old damaged parts/scrap should be quoted in the rebate column provided in BOQ

NATIONAL ELECTRO-MECH COMPANY

BEE AAR ENTERPRISES