REPAIR AND MAINT OF WATER SUPPLY PIPE LINE MOTORS, BOREWELLS, PUMP SETS AND MISC EQPT AT MANASBAL UNDER GE 970 EWS

Amount

Excavating in trenches n.exc 1.5m wide and n.exc 1.5m in depth in soft/loose soil for foundation, etc, or for shafts, wells, drain pipes n.exc 10sqm on plan and getting out, complete, all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick, complete, all as specified and directed.

Removing surplus soil to a distance n.exc 50m and deposited where directed at a level not exceeding 1.50m above the starting point, complete, all as specified and directed.

Taking up or down 20mm dia bore old steel tubing and connections including cleaning for refixing or removal to store complete all as specified and directed.

All as per item No. 4 above but 25mm bore.

All as per item No. 4 above but 40mm bore.

All as per item No. 4 above but 50mm bore.

All as per item No. 4 above but 80mm bore.

All as per item No. 4 above but 100mm bore.

All as per item No. 4 above but 150mm bore.

Laying only GI water mains after removal of scalling, cleaning and flushing etc including supply and fixing of new fittings for 20mm bore pipe, complete, all as specified and directed.

All as per item No. 11 above but 25 mm bore.

All as per item No. 11 above but 40mm bore.

All as per item No. 11 above but 50mm bore.

All as per item No. 11 above but 80mm bore.

All as per item No. 11 above but 100mm bore.

All as per item No. 11 above but 150mm bore.

Supply and laying GI water tubing, medium grade, galvanised , 20 mm bore with all fittings including short lengths, fixed in wall and ceiling or laid in floor trench complete with all fittings (such as bends, elbows, Tee, short pieces, connectors, back nuts, diminishing pieces, caps and plugs, unions etc), complete all as specified and directed .

All as per item No. 18 above but 25mm bore.

All as per item No. 18 above but 40mm bore.

All as per item No. 18 above but 50mm bore.

All as per item No. 18 above but 80mm bore.

All as per item No. 18 above but 100mm bore.

All as per item No. 18 above but 150mm bore.

Taking up CI water mains of 80mm bore (incl all fittings) with Spigot and socket ends and led joints incl buring out joints and recovering lead complete all as specified and directed .

All as per item No. 25 above but 100mm bore.

All as per item No. 25 above but 150mm bore.

Laying only 80mm bore CI pipes after cleaning/washing of pipes with new fittings, laid in trenches/floors/walls etc in old/new position complete all as specified and directed.

All as per item No. 28 above but 100mm bore.

All as per item No. 28 above but 150mm bore.

Supply, laying and jointing 80mm bore CI pipe with spigot and socket ends/CI Column pipe for lowering submersible pump with all fittings centrifugally cast, class LA in any length laid in trenches all as specified and directed .

All as per item No. 31 above but 100mm bore.

All as per item No. 31 above but 150mm bore.

CI fittings, bends tapers any type, (straight, bend, increasing, decreasing or double socket etc) Tee pieces single branch, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs of size up to 150mm bore complete, all as specified and directed.

Supply and fixing Gun metal globe or gate valves, with iron wheel head screwed both ends for iron pipe of 15mm bore and fixed, complete, all as specified and directed.

All as per item No. 35 above but 20mm bore.

All as per item No. 35 above but 25mm bore.

All as per item No. 35 above but 40mm bore.

All as per item No. 35 above but 50mm bore.

Supply and replacement of cast iron sluice valve of 80mm dia with flanged ends class PN 1 .6 with iron wheel, stainless steel spindle and check nut confirming to IS :14846 incl all jointing materials such as nuts, bolts, washers and gaskets etc complete all as directed.

All as per item No. 40 above but 100mm bore.

All as per item No. 40 above but 150mm bore.

Run lead joint to 150mm bore cast iron pipe including taking down old lead joints and fixed, complete, all as specified and directed.

All as per item No. 43 above but 100mm bore.

All as per item No. 43 above but 80mm bore.

Lagging on pipes of internal dia 20 mm, used in external water supply or plumbing all round with, 40mm thick bonded mineral wool preformed ‘SNAP ON’ pipe sections of density 144 Kg/cum conforming to IS 9842, provided with chicken mesh wire netting 25 gauze 20mm mesh and finally covering with plaster of pairs including taking down old, complete, all as specified and directed.

All as per item No. 46 above but 25 mm bore tubing.

All as per item No. 46 above but 40mm bore tubing.

All as per item No. 46 above but 50mm bore tubing.

All as per item No. 46 above but 80mm bore tubing.

All as per item No. 46 above but 100mm bore tubing.

All as per item No. 46 above but 150mm bore tubing.

M&L for disconnectiong existing defective electric motor of any make 30 HP from electric mains isolating the necked connections, removing from foundation by unscrewing the nuts, bolts etc, discouple from pump, opening of motor for inspection in presence of Engr-in-Charge and carry out minor repairs at site or transporting to workshop and back, reassembling the motor after repair, refixing in position reconnecting same as prior to removing from foundation including replacement of nuts, bolts washers of suitable size, testing and commissioning complete all as specified and directed. Note :- (a) Replacement of defecting parts shall be measured and paid separately as S&F here after. (b) In case of major repairs not possible at site, the motor shall be shifted to Civil workshop, and cost of shifting to wksp and back to site included in the rates.

Taking out old unserviceable/burnt copper winding of motors capacity 30 HP (defective motor taken out in item No.53 above) and material and labour for rewinding of electric motor of capacity 30 HP with super enameled copper winding wire of suitable gauge as per existing including cleaning of rotor, slots, all winding/insulation material, varnishing etc. complete and testing at site on full load after reinstallation to the full satisfaction of Engr-in-Charge, complete all as specified and as directed.

Taking out unserviceable terminal plate with connector and outer cover of elect motor of any make, type 30 HP capacity and supply and connect, testing terminal plate with connector same as per existing complete all as specified and as directed Engr-in-Charge.

S&F in repair of Ball bearing for the electric motor 30 HP 440 Volt opended in item No 54 here in before including necessary mechenical work complete all as directed.

M&L for disconnectiong existing defective electric motor of any make 17 HP from electric mains isolating the necked connections, removing from foundation by unscrewing the nuts, bolts etc, discouple from pump, opening of motor for inspection in presence of Engr-in-Charge and carry out minor repairs at site or transporting to workshop and back, reassembling the motor after repair, refixing in position reconnecting same as prior to removing from foundation including replacement of nuts, bolts washers of suitable size, testing and commissioning complete all as specified and directed. Note :- (a) Replacement of defecting parts shall be measured and paid separately as S&F here after. (b) In case of major repairs not possible at site, the motor shall be shifted to Civil workshop, and cost of shifting to wksp and back to site included in the rates.

Taking out old unserviceable/burnt copper winding of motors capacity 17 HP (defective motor taken out in item No.57 above) and material and labour for rewinding of electric motor of capacity 17 HP with super enameled copper winding wire of suitable gauge as per existing including cleaning of rotor, slots, all winding/insulation material, varnishing etc. complete and testing at site on full load after reinstallation to the full satisfaction of Engr-in-Charge, complete all as specified and as directed.

Taking out unserviceable terminal plate with connector and outer cover of elect motor of any make, type 17 HP capacity and supply and connect, testing terminal plate with connector same as per existing complete all as specified and as directed Engr-in-Charge.

S&F in repair of Ball bearing for the electric motor 17 HP 440 Volt opended in item No 58 here in before including necessary mechenical work complete all as directed.

M&L for disconnectiong electric connections from starter, disconnecting the water connections carefully by unscrewing the nuts, bolts and Lifting of submersible pump set including column pipes, and submersible cable from bore well disconnecting the pump and motor opening the pump and motor to locate the faults and carry out necessary repairs as directed including transporting to workshop, re-assembling the same after repair lowering in well, including column pipe of any dia, 10 ft long upto 20 Nos, and submersible cable, re-connecting all electrical and water connections complete testing and commissioning all as specified and as directed. (Note:- The replacement of parts shall be measured and paid separately)

Taking out old unserviceable/burnt winding from the submersible 3 phase motors 17.5 HP and rewindinig the same with insulated winding wire as per existing gauge as approved by Engr-in Charge and testing after repair, complete all as specified and as directed.

M&L for overhauling of submersible pump sets 17.5 HP capacity up to 08 stages and reassembling the same after replacement of the following unserviceable/defective parts including testing of pump sets, complete all as specified and as directed. (a) Bottom bowl CI with stud, nuts & bolts. (b) stainless steel shaft with shaftKey complete. (c) Gun metal Bush. (d) Impeller Gun metal type. (e) Strainer brass. (f) Stainless steel coupling with key.

Supply, connecting, testing and commissioning submersible cable with copper conductor, stranded of size 6 sqmm 3 core, complete, all as specified and as directed.

M&L for disconnectiong, isolating, electrically unserviceable star delta/DOL starter 3 phase 440 volts of any make & type and taking down from wall/panel board keeping aside for disposal, complete all as specified and as directed.

S&F in repair direct on line starter for 17.5 HP submersible pump 3 Phase 415 volts, complete all as specified and directed. Make: Havell's/L&T/Siemens.

Material and labour for earthing complet with galvanised steel earth plate electrode 60cmx 60cmx 6.00 mm thick buried directly in ground (Earth pit not less than 2.25 metre below normal ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected and including GI strip 32mm x 6mm by means of GI bolts, nuts, check nuts and washers, earth plate surrounded by packed alternate layers of coal dust and common salt 15cm thick, all around top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh and 50mm bore GI pipe light grade for protection of GI strip 32mmx6mm from top of earth plate upto test point (upto 7.5metre in length) connected with suitable size of GI nuts, bolts and washers all as shown in Electrical plate No. 3 of SSR Part-I, testing on completion including excavation/earth work in any type of soil/rock, PCC chamber (1:3:6) using 20mm graded stone aggregate and 50mm thick RCC (1:2:4) type B-1 cover slab reinforced with 8mm dia TMT steel bars @ 100mm c/c both ways with suitable handle for lifting arrangement & including formwork and MS frame using MS angle iron 40x40x6mm complete all as specified and directed. Note :- Earth pit shall be constructed 50cm from the side of excavation to avoid sinking of pit.

S&F in repair single phase preventor, complete all as specified and directed.

M&L for Cleaning of Overhead reservoir by draining out water below supply level, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scale to make it free from deposits. Washing the reservoir with high pressure compressor nozzle thoroughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers at cracks to prevent any sepage of water. Disinfecting the sump surface using disinfectent complete all as specified and directed for 50000 gallons capacity (Note:- The work of cleaning and disinfection will be carried out by expert in the field of the work. The work is to be carried out in such a way that the water supply is not disrupted.)

M&L for Cleaning of underground water sump by pumping out water below suction level, removing all internal deposited sludge by non clogging submersible pump, cleaning the surface of the sump using wire brushes and other scraping tools to remove dirt and scales to make it free from all deposits, washing the sump with high pressure compressor nozzle thoroughly and removing dirty water from the pump to make it clean including repair to the internal surfaces by plastering with cement mortar 1:3,15mm thick and providing fillers at cracks to prevent any seepage of water including disinfecting the sump surfaces, complete, Painting one coat of water proof paint all as specified and directed of 50000 gallons capacity. (Note:- the work of cleaning and disinfection will be carried out by expert in the field of the work. the work will be carried out in such a way that the water supply is not interupted; necessary bypass arrangement to be done).

Supply only Bleaching powder of superior quality with latest lot and test certificate from authorized laboratory with min 30% active chlorine (in 25 Kg bags). Make: Nishat/Shriram/Modi.

Supply only Sodium Hypochloride disinfectant superior quality for mixing with drinking water for water treatment, complete all as specified and directed. make as approved by GE.

Diconnection of sumbersible pump & its column CI pipe from borewell for flushing complete all as specified and directed by Engr-in-Charge.

M&L for Flushing of borewell using portable air compressor of suitable capacity and after pumping by pump with 25% extra capacity including dismantling the down pipe any length and capacity untill the muddy water pumped out and clear water obtained complete all as specified and as directed. Note:- Above quoted rate deemed to be included supply and fixing 'P' gravels of size 4mm to 8mm upto entire depth of bore holes as per requirement after flushing of borewell.

M&L for Reassembling of borewell with CI column pipe, submersible pump/motor and with delivery pipe etc for proper functioning complete all as specified and directed by Engr-in-Charge.

M&L of construction/repair of old existing Valve pit chamber of size 90cm x 90cm x 90cm internal dimension brick/stone construction including all excavation and earth work in any type of soil, returning, filling in disposal of surplus soil to a distance not exc 50m and depositing were directed, PCC foundation of the mix (1:2:4), type D-2, brick masonry including plastering, rendering 12mm thick in cement mortar (1:4) internally finished even and fair and flush pointing externally as the work proceeds in same mortar and suitable size angle frame with mild steel angle iron 40X40x6mm, MS sheet cover 3.15mm thick with handle and locking arrangements and painting all steel surfaces with two coat of synethic enamelled paint over a coat of red oxide primer and painting all the MS embeded in PCC with two coats of black bitumenous paint as approved, complete all as specified and directed.

M &L for PVC insulated armoured, heavy duty electric cable with aluminium conductor,1100 volts grade, cross sectional area 35 Sqmm and 3.5 core complete all as specified and directed by Engr-in-Charge

M/S ASHRAF CONSTRUCTIONS

M/S LATIF AHMAD BABA CONSTRUCTION

M/S Wani Associates

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M/S Sultan Enterprises