REPAIR AND MAINTENANCE OF WATER SUPPLY INSTALLATIONS, DI/CI/GI PIPE LINES AND OTHER CONNECTED WORKS AT 7 AFH KANPUR CANTT

Amount

Taking up or down steel water tubing and connections including cleaning for re-fixing complete all as specified and directed for the following sizes of pipes:- Note:- Excavation and earth work shall be measured and paid seperately under respective items of Sch 'A' given here-in-after.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

150 mm bore

Re-fixing old steel tubing obtained from Srl item No.1.00 here-in-before and connection in new or old position in trenches/wall/ ceiling/ floors etc with using all new fittings as required complete including making good the disturbed portion of floor, wall or road etc as per existing complete all as directed for the following sizes :-

20mm bore

25mm bore

40 mm bore

50mm bore

M & L for GI Pipe medium grade with all necessary fittings such as bend, elbow, socket, TEE, Union, Reducer socket etc laid in trench including making connection to existing GI tubing complete all as specified and directed for the following sizes of pipes :-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

100 mm bore

Ditto all as per item No.3.00 here in before but for fixing on wall / floors of following sizes :-

20 mm dia

25 mm dia

Supply, laying and connecting in replacement of ductile iron pipe with spigot and socketed end suitable for rubber gasket tighton joint centrifugally cast, Class LA in any length laid in trenches complete all as specified and directed for the following sizes of pipes :- (Note:- Excavation and earth work shall be measured and paid seperately under respective items of Sch 'A' given here-in-after).

100 mm bore

150 mm bore

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out for laying pipes in soft/loose soil complete all as specified and directed.

M & L for PCC (1:2:4) type B-2 using 40 mm graded stone aggregate as in filling and mass concrete etc for making good the disturbed portion of road/path/ hard standing etc after laying of pipe and repair works complete all as specified and directed.

Returning, filling, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick in solf/loose soil after pipes are laid and tested complete all as specified and directed.

Removing of excavated material not exc 50 m distance and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.

S & F in replacement Sluice valve PN-1.6 coforming to IS-14846 heavy duty with flanged end and brass spindle, sheet gasket 3 mm thick, MS nut bolts and washer including cutting of existing GI water pipe line to fix the sluice valve at the location and jointing with existing water mains complete all as specified and directed for the following sizes:-

80 mm bore

100 mm bore

150 mm bore

250 mm bore

S & F in replacement of rubber gasket joint suitable for following size spigot and socket pipes:-

100 mm bore

150 mm bore

S & F in repairs of Gate valve cast copper alloy screwed down for pipe line with iron wheel head complete all as specified and directed for the following sizes :-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

S & F in replacement of 'D' clamp joint comprising two CI / forged steel valves, Rubber ring and nut/bolt and washers etc of suitable size complete all as specified and directed for the following sizes:-

100 m bore

150 mm bore

250 mm bore

S & F in replacement of electronic digital water level indicator wireless communication between tank and pump house 180-260 V, 50 Hz with seven segment red LED display visible board (2.25 inch) high frequency non conducting processor based rust free with three wire system, range of 1 KM from the OHT to pump house, processor based senser at OHT, sensing probe in the tank including three core data shield cable of suitable size upto transmitter, water level indicator electrically operated with indications of level of water in RCC over head tank comprising of one number for each RCC over head tank (capacity up to 1.1 lakh gallons) of staging height up to 25 m and Electronic water level indicator installed at pump house building for smooth functioning complete all as specified and directed.

M & L for valve pit chamber of size 1200 mm x 1200 mm x 1200 mm internal dimension, 6 mm thick MS hinges of steel cover with 2 Nos MS hinges suitable size welded with angle iron frame of size 40 mm x 40 mm x 6 mm thick with lifting hooks and locking arrangement complete with necessary earth work, 230 mm thick brick work in CM (1:6), bed PCC (1:4:8) type D-2, 150 mm thick, 15mm thick plaster in CM (1:4) on internal and external surface of wall up to 300 mm front top and applying one coat of black bituminous paint to the steel surface complete including demolition and removal of old U/S valve pit complete all as specified and directed.

Ditto all as per item No.15.00 here-in-before but for size 900 mm x 900 mm x 900 mm.

Deitto all as per item No.15.00 here-in-before but for size 750 mm x 750 mm x 750 mm.

Ditto all as per item No.15.00 here-in-before but for size 600 mm x 600 mm x 600 mm.

S & F in replacement 150 mm dia Flange type CI non return valve heavy duty both ends flanged, ISI marked cap top, nut & bolts and washer including 3 mm thick rubber gasket joints etc complete all as specified and directed.

S & F in replacement CI Air release valve single screwed type H-4 40mm dia of size complete with fixing arrangement by making internal thread on CI pipe complete all as specified and directed.

Rewinding of 45 HP submersible electric motor of any make with PVC insulated super enameled copper wire not less than the original one complete with replacement of wornout parts such as thrust plate, thrust bearing and motor coupling etc and opening of motor for rewinding, reassembling after rewinding of motor including painting of motor with one coat of epoxy paint after preparation of old painted surfaces and testing complete all as specified and directed.

Ditto all as per ser item No. 21.00 here-in-before but for capacity 33 HP.

Taking out unserviceable submersible pump for bore well including column pipes (upto 50 m depth) submersible cable, steel rope and accessories etc and re-lowering of pump after necessary repair including connecting of submersible pump and motor of straight through joint of submersible cable of size 35 Sq mm 3 core with suitable jointing kit compound etc testing complete all as specified and directed.

Opening of submersible pump of capacity up to 25000 GPH, examine all parts, taking off worn out components / parts as in replacement of following with new one including testing complete all as specified and directed. Note - (i) All unserviceable spare parts shall be measured and paid separately under supply only items given here-in-after under respective items of Sch 'A'. (ii) The cost of fixing of all components / parts shall be deemed to be included in unit quoted rate.

Supply only the following items :-

GM Bush

GM impellor

Distance piece

Top sleeve

Pump top bush

Neck ring

NRV suitable for above pumps

Supply only O-Tolidine Reagent (OT Solution) for chlorination testing of 500 ml bottle complete all as specified and directed.

M & L for cleaning of capacity up to 1.1 lakhs Gallons RCC over head tanks inside dome i.e. bottom & wall of cone 17 m to 26 m staging by De-watering by using wash out pipe line, Scrapping sludge and removal of the same through washout pipe line, applying wall putty in damaged portion and writing date of cleaning of tank with white paint on black base complete all as specified and directed.

S & F in repair of following components / parts in LT panel of pump house complete all as specified and directed:-

Voltmeter 0-500 Volts, Digital type.

Amp meter 0-200 Amp, Digital type.

CT 200/5, 5 VA, BPL type.

LED Indicator lamp assembly with lamp RYB.

Single phase preventor suitable for pump set capacity 45 HP.

Power contractor 3 pole, 50A,415 Volts.

Power contractor 3 pole, 60A, 415 Volts.

M & L for water potable chemical analysis test from a govt approved lab inculding collecting the water from the given point into a glass / plastic jar, taking sample to the lab for testing and submiting the report complete all as specified and directed.

S & F 20 mm bore ball brass valves, high pressure with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed.

Ditto all as per item No.30.00 here-in-before but for 25 mm bore dia complete.

S & F nut and bolts with washers of various sizes complete all as specified and directed.

S & F rubber packing 3 mm thick to be used as flange packing of size 80 mm to 150 mm bore pipe complete all as specified and directed.

S & F NRV of suitable size for dosing pump of chlorine plant all as specified and directed.

M & L for repairing of chlorine doser pump installed at Pump Houses for chlorination. Removing the doser pump from the wall/floors & take to the civil market for complete repairing including replacement of pump parts and PVC pipe for chlorination from pump to chlorination point complete all as specified and directed.

M & L for servicing of decrin dosing chlorination pump by cleaning FRP tank, suction pipe, discharge pipe and dosing head etc and re-fixing the same at site after servicing complete all as specified and directed. Note: Replacement of worn out/unserviceable parts shall be measured and paid separetely under respectively items of Sch 'A' given here-in-after.

Supply Only Follwing items -

Gearmotor complete 230 V 50 Hz, suitable for dosing pump

Pump head (ferrules 1/4" and duckbill included)

Pump Tube

Connection nut 3/8 "

Connection nut 3/8 " with adapter

White/suction discharge tubing

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