REPAIR AND MAINTENANCE OF SUBMERSIBLE PUMPS, STARTERS, SLUICE VALVES, PIPE LINE, ITS FITTINGS AND CONNECTED ITEMS AT VARIOUS LOCATIONS AT AF STATION NATHATOP UNDER GE (AF) UDHAMPUR

Amount

Excavation, in trenches not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for laying GI pipe line in hard / dense soil and getting out complete all as specified.

Excavation, in trenches not exceeding 1.5 mtr wide and exc 3 mtr in depth for laying GI pipe line in hard / dense soil and getting out complete all as specified.

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

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

Taking up or down steel tubing with connection from trenches, ceilings, floors walls etc including cleaning for refixing or removing from site complete.

(a) 15mm dia

(b) 20mm dia

(c) 25mm dia

(d ) 40mm dia

(e) 50mm dia

(f) 80mm dia

Refixing old Steel water tubing medium grade galvanised (ISI marked) with all fittings (such as bends elbows, Tee, short pieces, connectors back nuts, diminishing pieces, caps and plug, unions etc) all as specified of following sizes. Note : Serviceable pipe obtained from Srl item No 4 to be reused

(a) 15mm dia

(b) 20mm dia

(c) 25mm dia

(d ) 40mm dia

(e) 50mm dia

(f) 80mm dia

Steel water tubing medium grade galvanised ( ISI marked) with all fittings( such as bends elbows, Tee, short pieces, connectors back nuts, diminishing pieces, caps and plug, unions etc) all as specified of following sizes:-

(a) 15mm dia

(b) 20mm dia

(c) 25mm dia

(d ) 40mm dia

(e) 50mm dia

(f) 80mm dia

Replacement of Gun-metal, globe or gate valves, 15 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of Gun-metal, globe or gate valves, 20mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of Gun-metal, globe or gate valves, 25mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of Gun-metal, globe or gate valves, 40mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of Gun-metal, globe or gate valves, 50mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of Gun-metal, globe or gate valves, 80mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Replacement of cast iron sluice valve ISI marked 50mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete in all respect all as specified.

Replacement of cast iron sluice valve ISI marked 80mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete in all respect all as specified.

M/L 15mm dia ball PVC valve, high pressure, with polythene float and fly nut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed by Engr-in-Charge. Prayag

M/L 20mm dia ball PVC valve, high pressure, with polythene float and fly nut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed by Engr-in-Charge. Prayag

M/L 25mm dia ball PVC valve, high pressure, with polythene float and fly nut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed by Engr-in-Charge. Prayag

Repair/Rewinding of monoblock pump set of cap 0.5 HP single phase 230 Volts, including, replacement of unserviceable bush, and replacement to unserviceable bronge empallor as per site requirement. complete all as specified and directed by Engr-in-Charge.

Strip opening of motor of capacity 5 / 7.5 HP, 440 volts 3 phase 1440/1500 RPM and rewinding the motor with super enamelled copper conductor of existing size and nos of turns of including varnish, insulation paper and soldering of connection etc. Assembly of motor with pump set with necessary studs, bolts, washers etc complete all as specified and directed. Make of wire : ALTAS/HTP / DEVI DAYAL

Strip opening of motor of capacity 30 HP, 440 volts 3 phase 1440/1500 RPM and rewinding the motor with super enamelled copper conductor of existing size and nos of turns of including varnish, insulation paper and soldering of connection etc. Assembly of motor with pump set with necessary studs, bolts, washers etc complete all as specified and directed. Make of wire : ALTAS /HTP /DEVI DAYAL

Disconnecting and Strip opening of motor of submersible pump of capacity 15 / 20 HP and rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and soldering of connection etc. Assembly of motor with pump set with necessary studs, bolts, washers etc complete all as specified and directed.Make of wire : ALTAS /HTP /DEVI DAYAL

Repair of pumping set of capapcity 15/20 HP multi stage suitable for discharge of water 8000-18000 LPH at 240-135 metres head complete including replacement burnt out parts for following all as directed by Engr- in- Charge

(a) Impeller (Brass/stainless steel)

(b) Pump Shaft

(c) Thrust Bearing

(d) Water Seal

Repair of pumping set of capapcity 20/30 HP multi stage suitable for discharge of water 8000-18000 LPH at 240-135 metres head complete including replacement burnt out parts for following all as directed by Engr- in- Charge

(a) Impeller (Brass/stainless steel)

(b) Pump Shaft

(c) Thrust Bearing

(d) Water Seal

Repair to Dozing system for disinfection of water supply treatment by replacement of injector, injector nozzle, dose controller and replacement of overflow pipe , delivery pipe and inlet pipe and testing the same after carrying out the repair work complete all as specified & directed by Engr-in-Charge.

Rewinding of burnt out motor of capapcity of 120 watts single phase for dozing system for DE CLIBAC TECHNOLOGY PVT LTD . .

Supply only ALTOCH GP Powder white crystal packed in PVC container of 45 kgs standard packing (Packs of 45 Kgs) complete all as specified.

Repair to chemical dozing pump for disinfection of water supply by replacement of dozing controlled, injection plunger and mixing dozer including packing washer or other minor parts as required complete all asspecified directed and as directed Engr-in-Charge. Make: DE CLIBAC TECHNOLOGY PVT LTD . .

Replacement of unserviceable single phase preventer of 3 Phase induction/Submersible motor complete all as specified.

Replacement of unserviceable Heavy Duty 4 Pole Contactor type TC1-DX, Overload relay type LR3DM & Electronic Star Delta Timer, thermal over Load relay ranging from 63 to 100 Amps. Of Make L&T/C&S/ABB

Motor protection circuit breaker 415 V 3 phase current rating 13 Amps thermal realy range 9 to 13 Amps of make: L&T/ C&S/ABB

ON Load change over switch for phase sequence changing 415 V 3 phase 3 Pole 63 Amps rating for panel mounting complete all as specified. Make: L&T/ C&S/ABB

Supply only ALUM for cleaning of potable water good quality

Submersible cable 10 Sqmm 3 core and connecting with the pumping set motor carefully including taking down the existing cable complete all as specified Make Havells/Finolex/ Polycab/ Anchor/Grandaly

Submersible cable 16 Sqmm 3 core and connecting with the pumping set motor carefully including taking down the existing cable complete all as specified Make Havells/Finolex/ Polycab/ Anchor/Grandaly

Supply only testing kit for testing residual chlorine in the water and regeant complete all as specified and directed by the Engineer-in-Charge

S/F Frequency meter 415 Volts 3 phase for panel mounting size as per sample complete all as specified & directed by Engr-in-Charge.

Taking up the complete pumping set of capacity 15 HP to 20HP from existing semi- under ground sump of depth 8 mtr alongwith column pipe 50 mm bore total length 6 RM after disconnecting the pump from electric circuit. Reassembly of pumping set complete after repair and lowering the same to the satisfaction of Engineer-in-Charge. (Note: - Any repair required for pumping set, bore well will be measured and paid separately under respective items. T&P required for repairs , lowering or taking up of pumping set will be the responsibility of the contractor and rates quoted are deemed to be included in unit rate quoted.)

Supply and fix in replacement of Submersible pump, electric driven 415V TP suitable for 250mm dia bore well (casing pipe size 300/350 mm) supplied and installed complete, above 15 WHP upto 25 WHP inclusive of 40 metre long submersible cable and starter complete in all aspects as specified and directed

Supply and transportation of fresh drinking water through water bouzer of capacity 6000 litres from nearest water filling points made by PHE ( Public health Engineering or approved by Engineer-in-Charge ) to Nathatop and filling water in storage water tanks at Air Force Station Nathatop all as directed Notes :- (i) Supply , filling , transportation and filling water in tanks at different locations of Nathatop shall be included in the rate quoted by contractor and contractor will be informed one day before actual shifting of water bouzer for arrangement of vehicle etc time to time as per requirement. (ii) Contractor shall give a test certificate of Lab that the water being supplied is potable for drinking purpose.

S & F Lagging to pipes on internal dia of pipe 50 mm used in internal water supply or plumbing all round with,25min thick bonded mineral wool preformed ‘SNAP ON’ pipe sections of density 144 Kg/cum conforming to IS 984 complete all as specified & directed

S & F Lagging to pipes on internal dia of pipe 40 mm used in internal water supply or plumbing all round with,25min thick bonded mineral wool preformed ‘SNAP ON’ pipe sections of density 144 Kg/cum conforming to IS 984 complete all as specified & directed

Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc. of various capacity of stage-I, II, III & PVS tanks of 500 & 1000 Ltrs capacity complete all as specified.

S&F in repairs Plug type bib taps, cast iron, screwed for iron pipe and fixed for 15 mm dia all as specified & directed

S&F in repairs Plug type bib taps, cast iron, screwed for iron pipe and fixed for 20 mm dia all as specified & directed

S&F in replacement of rotational moulded polythylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I of capacity 500 Ltrs

S&F in replacement of rotational moulded polythylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I of capacity 1000 Ltrs

kerni electricals

R K BUILDERS