GE (I) R AND D/CHD-97/2023-24 REPAIR AND MAINTENANCE TO EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM, SLUICE/AIR RELEASE VALVES, PIPE LINES, AND CONNECTED WORKS AT DOMESTIC, RTRS AND ZONE-II AREA AT TBRL RANGE RAMGARH

Amount

Disconnecting the 3 phase electric motor from the centrifugal pump set, taking down from the foundation , dismantling the motor, cutting out old burnt out windings, cleaning the slots of the stator and rewinding 7.5 HP to 15 HP 3 phase electric motor with super enameled copper conductor of suitable gauge including all insulating materials , sleeves , cotton tapes etc and incl varnishing ,drying etc and refitting the motor at original position , making all electrical connections. Dismantalling the pump, check the alignment, impelers and bearing etc. Overhauling the pump by greasing, oiling complete. Testing for proper working complete all as specified and directed. Note:- Copper winding wire and bearing of suitable size etc. shall be measured and paid for separately under respctive Items.

Disconnecting the 3 phase electric motor from the centrifugal pump set, taking down from the foundation , dismantling the motor, cutting out old burnt out windings, cleaning the slots of the stator and rewinding 16 HP to 50 HP 3 phase electric motor with super enameled copper conductor of suitable gauge including all insulating materials , sleeves , cotton tapes etc and incl varnishing ,drying etc and refitting the motor at original position , making all electrical connections. Dismantalling the pump, check the alignment, impelers and bearing etc. Overhauling the pump by greasing, oiling complete. Testing for proper working complete all as specified and directed. Note:- Copper winding wire and bearing of suitable size eyc. shall be measured and for paid separately under respctive Items.

Disconnecting the electric supply and outlet connections and taking out and lowering the submersible pump set of any capacity and size alongwith 80/100 mm dia column pipes and submersible cable etc from the tubewell using proper T&P and keeping aside complete all as specified and directed..

Material and labour for repair to Submersible pump set motor of capacity 7.5 to 40 HP by dismantling of submersible motor 3 phase, 440 Volts cutting and removing the burnt winding wire, cleaning of slots and rewinding with super quality PVC insulated water proof copper conductor winding wire and machining as per original dia complete and replacement of thrust plate, thrust bearing, rotor straightenting, sealing kit, balancing of rotor.and reassembling complete all as specified and directed (Thrust plate, thrust bearing, rotor straightenting, sealing kit, balancing of rotor and reassembling shall be unit rate deemed to include cost of the same by the contractor). Note:- PVC insulated water proof copper conductor Winding shall be measured and paid for separately under Item Ser No. 6 below.

Supply only super enamelled copper winding wire complete all as specified and directed.

Supply only PVC insulated water proof copper conductor winding wire complete all as specified and directed..

Supply and replacing of ball bearing No 6206/ 6208/ 6306/6307 complete all as specified and directed..

Supply and replacing of ball bearing No 6308/ 6309/ 6310 complete all as specified and directed..

Supply and fixing in repairs of MCCB 125 Amp rating, 4 pole, 415 volts, breaking capacity 16 KA complete all as specified and directed.

Supply and fixing in repairs of MCCB 100 Amp rating, 4 pole, 415 volts, breaking capacity 16 KA complete all as specified and directed.

Supply and fixing in repairs of MCCB 160 Amp rating, 4 pole, 415 volts, breaking capacity 36 KA complete all as specified and directed.

Supply and fixing in replacement cast iron sluice valve flanged and drilled with stainless steel spindle, iron wheel ISI marked with nuts, bolts & washers and gasket heavy duty PN 1.6 of following sizes tested with high pressure conforming to IS - 14846,of 150 mm dia complete all as specified and directed.

All as per item no 12.00 above but 100mm dia -ditto-

All as per item no 12.00 above but 80mm dia -ditto-

Material and labour for replacement of unserviceable submersible cable 3 core 1100 Volt flat stranded copper conductor of size 10 Sqmm complete all as specified and directed.

Material and labour for replacement of unserviceable submersible cable 3 core 1100 Volt flat stranded copper conductor of size 16 Sqmm, complete all as specified and directed.

Material and labour of fabrication of column pipe 3mtr long made out of 80 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes,cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets,bolts,nuts and washers etc.complete all as specified and directed.

Material and labour for cleaning of RCC under ground water sump of capacity 35000 Glns in technical area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash food grade (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in technical area complete all as specified and directed. Note:- The cleaning of RCC under ground water tank will be carried out in every six months.

Material and labour for stripping out of submersible pump set 7.5 to 15 HP capacity and repairing the same by supply and replacing the Sleeve Coupling complete all as specified and directed.

All as per serial item 17.00 above but GM bush -ditto-

All as per serial item 17.00 above but Non return valve -ditto-.

All as per serial item 17.00 above but Impeller key -ditto-

All as per serial item 17.00 above but CI stage bowl -ditto-

All as per serial item 17.00 above but Bearing Sleave -ditto-

All as per serial item 17.00 above but Impeller -ditto-

All as per serial item 17.00 above but Shaft -ditto-

All as per serial item 17.00 above but SS coupling -ditto-

All as per serial item 17.00 above but GM neck ring -ditto-

All as per serial item 17.00 above but Suction strainer -ditto-

All as per serial item 17.00 above but Suction casing -ditto-

Material and labour for stripping out of submersible pump set 20 to 40 HP capacity and repairing the same by supply and replacing Sleeve Coupling complete all as specified and directed

All as per serial item 18.00 above but GM bush -ditto-

All as per serial item 18.00 above but Non return valve -ditto-

All as per serial item 18.00 above but Impeller key -ditto-

All as per serial item 18.00 above but CI stage bowl -ditto-

All as per serial item 18.00 above but Bearing Sleave -ditto-

All as per serial item 18.00 above but Impeller -ditto-

All as per serial item 18.00 above but Shaft -ditto-

All as per serial item 18.00 above but SS coupling -ditto-

All as per serial item 18.00 above but GM neck ring -ditto-

All as per serial item 18.00 above but Suction strainer -ditto-

All as per serial item 18.00 above but Suction casing -ditto-

Supply and fixing in repair swing type single disc cast iron foot valve (IS:4038) with screwed ends size 100 mm bore, for iron pipe complete all as specified and directed.

Supply and fixing in repair swing type single disc cast iron foot valve (IS:4038) with screwed ends size 80 mm bore, for iron pipe complete all as specified and directed.

Supply, installation, connecting and testing air release valve cast iron body Long Body) class-PN 1.6 with single air outlet SI marked (IS:14845:2000) of size 50mm (2") dia. bore and fixing up in of pipes size 50 mm GI water supply mains complete with nuts bolts washers etc including taking out old u/s valve complete all as specified and directed

Material and labour for cast iron fittings for CI pipes such as bends, Tapers any type ,tee pieces single branch, "Y" junction,double branch, cross,collars, caps and plugs,tail pieces etc of any type and upto 150mm bore complete all as specified and directed

Excavation in trenches n exc 1.5 m wide and n exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft and loose soil complete all as specified and directed

Returning, filling in including spreading, levelling, watering and well ramming in layers n exc 25 cm each layer, in soft and loose soil complete all as specified and directed

Removing excavated spoil to a distance n exc 50 m and deposited where directed at a level n exc 1.5 m above the starting point complete all as specified and directed

Supply and fixing in repair gun metal gate valve with iron wheel head screwed both ends for iron pipe of size 50 mm dia, complete all as specified and directed

All as per serial item no 26.00 above but size 80 mm dia -ditto-

Cutting cast iron pipes and reducing to required lenth before laying in position for insertion for new tees, branches, etc.for 150 mm bore of pipes complete all as specified and directed.

Supply and fixing in repair galvanised tube medium grade, with all fitting and fixed complete to walls and ceilings or laid in treanches/floors of following size, Bore of pipe 80mm. complete all as specified and directed

Material and labour for replacement of ductile iron pipe,S/S including special class "K-9" of 100 (4") bore conform toIS 9523-2000, including complete with all fitting laid in trenches,jointed(welded) tested and commissioned laid, jointed and tested all as per IS –12288-1987 complete all as specified and directed

Supplying, installing, testing, commissioning cosmic star-Delux automatic Star Delta Submersible pump Starter, suitabel for relay range 10 to 16 Amp (For 7.5 HP/10 HP centrifugal pump set) with sutable type MNX/ML contactor and back up HRC fuse/ MCB and its control wiring complete all as specified and directed,

Supplying, installing, testing, commissioning cosmic star-Delux automatic Star Delta Submersible pump Starter, suitabel for relay range 37 to 50 Amp (For 40 HP submersible pump set) , with sutable type MNX/ML contactor and back up HRC fuse/ MCB and its control wiring complete all as specified and directed,

M/s Friends Engineering Works

SANJEEV ENTERPRISES

Bharat Enterprises

Alpha Engineers and Builders