REPAIR / MAINT OF SEWAGE PUMPS, CLEANING OF SEWAGE SUMP, CI/ GI WATER PIPE LINES, VALVES, VALVE CHAMBERS AND REPAIR TO SUMP HOUSE AT AIR FORCE STATION KALAIKUNDA

Amount

Material and labour for cleaning of complete sludge collection chambers with partition wall of Sewage sump No.1 at Camp I of size 6 mtr x 3 mtr x 4.5 mtr (Inside sump) and size 10 mtr x 1.5 mtr x 5.5 mtr (out side sump) by pumping out fluid and taking out sedimented sludge mannualy/machinery and cleaning of all sidewalls by wire brush removing of mud out side and painting of inside wall of sump and chamber with black bituminous paint and white wash on out side exposed wall which is exposed externally (outside surface) as well as at internally (inside wall surface which is not submerging with sewage water), including removing of taken out sludge away from the installation and sludge to be burried in a pit excavated min 60 mtr away from pump house and covering of pit by refilling of excavated soil over it after lime spray over sludge. complete all as specified and as directed by Engr-in-charge. Note - (i) Cleaning (de sludging) of sump to be done in the interval of minimum 4 months or as per direction of Engr-in-Charge. (ii) Contractor has to mention the date of cleaning of sump and next due date of cleaning by providing Acrylic board to fixed on wall. (iii) The T&P, Dewatering pump and any other arrangements required on site for desludging of sewage sump to be done by contractor. (iv) All safety measure to be taken and safety kits etc shall be provided by the contractor to their labours deployed for sump cleaning. (v) Contractor has to complete the work of cleaning the sludge from sump in time bond period by deploying adequate labour and T&P. (vi) While cleaning of sump suitable arrangement to be done by contractor for dewatering the sump by providing pump etc considering the water from incoming line in sump cannot be stopped for cleaning of sump.

Material and labour for cleaning of cylindrical sludge collection chamber of Sewage sump No. 2 at Camp II of size 4 mtr dia x 6 mtr depth by pumping out fluid and taking out sedimented sludge mannualy/machinery and cleaning of all sidewalls by wire brush removing of mud out side and painting of inside wall of sump and chamber with black bituminous paint and white wash on out side exposed wall which is exposed externally (outside surface) as well as at internally (inside wall surface which is not submerging with sewage water), including removing of taken out sludge away from the installation and sludge to be burried in a pit excavated min 60 mtr away from pump house and covering of pit by refilling of excavated soil over it after lime spray over sludge. complete all as specified and as directed by Engr-in-charge. Note - (i) Cleaning (de sludging) of sump to be done in the interval of minimum 4 months or as per direction of Engr-in-Charge. (ii) Contractor has to mention the date of cleaning of sump and next due date of cleaning by providing Acrylic board to fixed on wall. (iii) The T&P, Dewatering pump and any other arrangements required on site for desludging of sewage sump to be done by contractor. (iv) All safety measure to be taken and safety kits etc shall be provided by the contractor to their labours deployed for sump cleaning. (v) Contractor has to complete the work of cleaning the sludge from sump in time bond period by deploying adequate labour and T&P. (vi) While cleaning of sump suitable arrangement to be done by contractor for dewatering the sump by providing pump etc considering the water from incoming line in sump cannot be stopped for cleaning of sump.

Material and labour for cleaning of complete sludge collection chambers of Sewage sump No.3 at NCE area of Size 7.5 mtr dia and 6 mtr depth by pumping out fluid and taking out sedimented sludge mannualy/machinery and cleaning of all sidewalls by wire brush removing of mud out side and painting of inside wall of sump and chamber with black bituminous paint and white wash on out side exposed wall which is exposed externally (outside surface) as well as at internally (inside wall surface which is not submerging with sewage water), including removing of taken out sludge away from the installation and sludge to be burried in a pit excavated min 60 mtr away from pump house and covering of pit by refilling of excavated soil over it after lime spray over sludge.e complete all as specified and as directed by Engr-in-charge. Note - (i) Cleaning (de sludging) of sump to be done in the interval of minimum 4 months or as per direction of Engr-in-Charge. (ii) Contractor has to mention the date of cleaning of sump and next due date of cleaning by providing Acrylic board to fixed on wall. (iii) The T&P, Dewatering pump and any other arrangements required on site for desludging of sewage sump to be done by contractor. (iv) All safety measure to be taken and safety kits etc shall be provided by the contractor to their labours deployed for sump cleaning. (v) Contractor has to complete the work of cleaning the sludge from sump in time bond period by deploying adequate labour and T&P. (vi) While cleaning of sump suitable arrangement to be done by contractor for dewatering the sump by providing pump etc considering the water from incoming line in sump cannot be stopped for cleaning of sump.

Material and labour for cleaning of cylindrical sludge collection chamber of Sewage pump house No. 4 at SV area near Golf ground of size 4.0 mtr dia x 6 mtr depth by pumping out fluid and taking out sedimented sludge mannualy/machinery and cleaning of all sidewalls by wire brush removing of mud out side and painting of inside wall of sump and chamber with black bituminous paint and white wash on out side exposed wall which is exposed externally (outside surface) as well as at internally (inside wall surface which is not submerging with sewage water), including removing of taken out sludge away from the installation and sludge to be burried in a pit excavated min 60 mtr away from pump house and covering of pit by refilling of excavated soil over it after lime spray over sludge.e complete all as specified and as directed by Engr-in-charge. Note - (i) Cleaning (de sludging) of sump to be done in the interval of minimum 4 months or as per direction of Engr-in-Charge. (ii) Contractor has to mention the date of cleaning of sump and next due date of cleaning by providing Acrylic board to fixed on wall. (iii) The T&P, Dewatering pump and any other arrangements required on site for desludging of sewage sump to be done by contractor. (iv) All safety measure to be taken and safety kits etc shall be provided by the contractor to their labours deployed for sump cleaning. (v) Contractor has to complete the work of cleaning the sludge from sump in time bond period by deploying adequate labour and T&P. (vi) While cleaning of sump suitable arrangement to be done by contractor for dewatering the sump by providing pump etc considering the water from incoming line in sump cannot be stopped for cleaning of sump.

Material and labour for cleaning of complete sludge collection chambers of Sewage pump house No.5 at SV area of Size 14 mtr x 6 mtr x 6 mtr by pumping out fluid and taking out sedimented sludge mannualy/machinery and cleaning of all sidewalls by wire brush removing of mud out side and painting of inside wall of sump and chamber with black bituminous paint and white wash on out side exposed wall which is exposed externally (outside surface) as well as at internally (inside wall surface which is not submerging with sewage water), including removing of taken out sludge away from the installation and sludge to be burried in a pit excavated min 60 mtr away from pump house and covering of pit by refilling of excavated soil over it after lime spray over sludge. complete all as specified and as directed by Engr-in-charge. Note - (i) Cleaning (de sludging) of sump to be done in the interval of minimum 4 months or as per direction of Engr-in-Charge. (ii) Contractor has to mention the date of cleaning of sump and next due date of cleaning by providing Acrylic board to fixed on wall. (iii) The T&P, Dewatering pump and any other arrangements required on site for desludging of sewage sump to be done by contractor. (iv) All safety measure to be taken and safety kits etc shall be provided by the contractor to their labours deployed for sump cleaning. (v) Contractor has to complete the work of cleaning the sludge from sump in time bond period by deploying adequate labour and T&P. (vi) While cleaning of sump suitable arrangement to be done by contractor for dewatering the sump by providing pump etc considering the water from incoming line in sump cannot be stopped for cleaning of sump.

Material and labour for cleaning of 150 mm dia CI sewage pipe line by filling of chemical solution or by mechanical drive for each pipe length and flushing out with fresh water and re-connecting the same after cleaning of pipe with new lead joint all as per specified and directed by Engr-in-charge Note : (a) Earth work will be measured under relevant item. (b) Contractor should arrange pump, chemical solution or mechanical drive and fresh water for cleaning. (c) Lead joints will be measured under relevant item.

Material and labour for run lead joints for connecting of the CI pipes of size 150 mm bore complete all as specified and directed.

Material and labour for dismantling old unserviceable starter Panel of any capacity & any type and fixing of New starter panel made up of sheet metal enclosure consisting fully automatic star/Delta starter, with auto restart feature, vibration proof enclosure with IP-54, oven load protection , single phase , phase reversal and phase imbalance protection, ampere meter and voltmeter , 415 volt ,50 Hz , 3 phase, relay range 17-24 Amps, contactor of 25 Amps, including grouting of nut bolts and fixing the same in wall suitable for 15 HP motor, complete all as specified and as directed.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth in any type of soil and getting out complete all as specified and as directed.

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

Removal of surplus soil to a distance n.exc 50 mtrs and deposited where directed at a level n.exc1.5 mtr above the starting point, complete all as specified and as directed

Disconnecting electrical connection of 3 phase motor of any capacity and any type from starter panel, lifting from foundation or lifting from sump if submersible and carrying to workshop for repair and replacement of spare parts. Re-installation in existing location after repairing including reconnection, testing etc and spray painting of motor with synthetic enamel paint over a coat of Red oxide primer and complete all as specified and directed by Engr-in-Charge. Note : Change of motor spare parts and windings shall be measured separately under relevant item.

M&L for Motor windings of VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for replacement of stator for VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for replacement of Rotor for VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for replacement of bearings of VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for replacement of motor shaft for VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for replacement of sleeves and core/gland packing for VT motor of capacity 12.5 HP, complete all as specified and as directed

M&L for motor windings of submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of motor Stator for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of motor Rotor for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of motor shaft for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of thrust bearing for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of Neck ring for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of stud nut for Submersible sewage motor of capacity 7.5 HP, complete all as specified and as directed

M&L for replacement of Impellers for Submersible sewage pump of capacity 7.5 HP, complete all as specified and as directed

M&L for Motor windings of centrifugal sewage motor of capacity 15 HP, complete all as specified and as directed

M&L for replacement of motor bearing of centrifugal sewage motor of capacity 15 HP, complete all as specified and as directed

M&L for replacement of motor shaft for centrifugal sewage motor of capacity 15 HP, complete all as specified and as directed

M&L for replacement of sleeves and core/gland packing for centrifugal sewage motor of capacity 15 HP, complete all as specified and as directed

M&L for replacement of motor Rotor for centrifugal sewage motor of capacity 15 HP, complete all as specified and as directed

Material and labour for road cutting of WBM/PCC path/road and passing the pipe line below and making the disturbed surface as per existing pattern complete all as specified and as directed

Taking out old unserviceable GI/PVC/PPR pipes from trenches, walls, floors, ceiling and duct etc including all fittings of 50mm bore complete all as specified and as directed Note: Excavation/earth work will be measured and paidseparately under relevent item.

All as per item No 33 above here-in-before but of size 40 mm bore, complete all as specified and as directed

All as per item No 33 above here-in-before but of size 25 mm bore, complete all as specified and as directed

All as per item No 33 above here-in-before but of size 20 mm bore, complete all as specified and as directed

All as per item No 33 above here-in-before but of size 15 mm bore, complete all as specified and as directed

Material and labour for laying of GI tube medium grade 50mm bore with all fittings as required at site and laid in trenches incl connecting with existing lines complete all as specified and as directed

All as per item No 38 above here-in-before but of size 40 mm bore, complete all as specified and as directed

All as per item No 38 above here-in-before but of size 25 mm bore, complete all as specified and as directed

All as per item No 38 above here-in-before but of size 20 mm bore, complete all as specified and as directed

All as per item No 38 above here-in-before but of size 15 mm bore, complete all as specified and as directed

Material and labour for fixing of GI tube medium grade 25 mm bore with all fittings as required at site and fixed to walls and ceiling or laid on floor incl connecting with existing lines complete all as specified and as directed

All as per item No 43 above here-in-before but of size 20 mm bore, complete all as specified and as directed

All as per item No 43 above here-in-before but of size 15 mm bore, complete all as specified and as directed

Material and labour for fixing GM globe/gate valve 50 mm bore with iron wheel head, screwed both ends for iron/PPR pipes, ISI marked, conf to IS including taking down old complete all as specified and as directed. Note: Union or long screw have to provided before fixing of gate valve.

All as per item No 46 above here-in-before but of size 40 mm bore, complete all as specified and as directed.

All as per item No 46 above here-in-before but of size 25 mm bore, complete all as specified and as directed.

All as per item No 46 above here-in-before but of size 20 mm bore, complete all as specified and as directed.

All as per item No 46 above here-in-before but of size 15 mm bore, complete all as specified and as directed.

Taking down unserviceable sluice valve/NRV/foot valve and their fitments like gasket , bolt/nuts of size 80 to 300 mm bore without damaging the valve chamber and pipe line complete all as specified and as directed.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket, bolts, nuts and washers in position of 300mm bore in valve pit chambers or near to bore well complete all as specified and as directed.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket, bolts, nuts and washers in position of 200mm bore in valve pit chambers or near to bore well complete all as specified and as directed.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket, bolts, nuts and washers in position of 150mm bore in valve pit chambers or near to bore well complete all as specified and as directed.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket bolts, nuts and washers in position of 100mm bore in valve pit chambers or near to bore well complete all as specified and as directed.

Labour for taking up of MS pipe of 100 mm bore including all fittings any type complete all as specified and as directed.

S&F MS pipe 100 mm dia bore, with flanges screwed and welded both ends complete with nuts, bolts, gasket etc. lowered into bore well complete all as specified and as directed. Note : (i) The pipe shall be heavy duty not less than 6 mm thick of wall conforming to IS-1239 (Part - I) of 1979 (ii) The flanges shall have 4/8 hole and grooves to accommodate the submersible cables and sling wires. (iii) Flange thickness shall not be less than 6mm. Flange shall be of mild steel (MS) (iv) The length of pipe shall be of 3.0 mtr with MS flange screwed and welded at both the ends.

Supply only submersible cable 6 sqmm 3 core flat cable copper conductor, ISI marked, Confirming to IS, complete all as specified and as directed.

Supply only steel wire rope (SWR) 10 mm dia with PVC coated complete all as specified and as directed.

M & L for glow sign board for E/M installation cubical type of size 8 ft x 2 ft x 1/2ft made up of PGI sheet covered from all three side and front side provided with aclyric sheet of min 4 mm thick of white colour with letter writing with blue colour including providing 02 Nos LED tube light of 18W each with all electric connection complete all as specified and as directed. Note:- Size and font of letter and matter to be written on glow sign board to be obtain from Engr-in-Charge before placing the order for fabrication of board.

M & L for glow sign board for E/M installation cubical type of size 4 ft x 2 ft x 1/2ft made up of PGI sheet covered from all three side and front side provided with aclyric sheet of min 4 mm thick of white colour with letter writing with blue colour including providing 02 Nos LED tube light of 18W each with all electric connection complete all as specified and as directed. Note:- Size and font of letter and matter to be written on glow sign board to be obtain from Engr-in-Charge before placing the order for fabrication of board.

S&F short piece MS pipe heavy duty, min thickness 6 mm, of min length 1.0 mtr, 100 mm dia having one end welded and screwed with MS flange having 4 or 8 hole and grove for passing of submersible cable and wire ropeand other side with thread end having 8 pitch complete all as specified and directed by Engr-in-Charge.

S&F short piece MS pipe heavy duty, min thickness 6 mm, of min length 1.0 mtr, 100 mm dia having one end welded and screwed with MS flange having 4 or 8 hole and grove for passing of submersible cable and wire ropeand other side with thread end having 11 pitch, complete all as specified and directed by Engr-in-Charge.

S&F MS reducer socket of size 100 mm x 80 mm dia having internal thread on 100 mm size and external thread on 80 mm size, complete all as specified and directed by Engr-in-Charge.

S&F MS reducer socket of size 100 mm x 50 mm dia having internal thread on 100 mm size and external thread on 50 mm size. complete all as directed and specified by Engr-in-charge.

S&F MS reducer socket of size 80 mm x 50 mm dia having internal thread on 80 mm size and external thread on 50 mm size, complete all as specified and directed by Engr-in-Charge.

Supply and fixing 80mm dia HDPE pressure pipe for water supply, heavy duty, confirming to relevant IS, having pressure rating PN 12.5 including clamp and fixing arrangment, complete all as specified and as directed.

Supply and laying of Cast iron pipe (CI) with spigot and socket end suitable for and including tighten joint of dia 150 mm size centrifugally cast class "B" in any length laid in trenches, complete all as specified and as directed. Note :- Excavation and earth work will be measured and paid separately under relevant item of sch A.

Material and labour for fixing of CI special (Bends any type, radius an angle 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 up to 150 mm dia as per site requirement, complete all as specified and as directed.

M&L for framed work for valve pit chamber cover made of Mild steel (MS) equal angle and MS sheet 3.00 mm thick including welding , cutting ,hinges , locking arrangments , painting with two coats of synthetic enamel paint after one coat of aluminium red oxide primer including dismantling wrought iron or mild steel work of any description provided for valve pit chamber complete all as specified and as directed.

Supply and fix water level indicator made of aluminium base, marked with white Radium paint connected with steel wire rope 4 mm dia to counter weight showing level of water containing in tank including 8" dia brass float ball , and greasing of revolving pulley of as per site requirement and fixed to pillar of water tank complete all as specified and as directed by Engr-in-Charge.

Materrial and labour for providing cement concrete of ratio 1:3:6 of stone aggregate 40mm grade for valve pit chamber bottom filling of 25mm thcik including demolation of concrete of any description complete all as specified and as directed by Engr-in-Charge.

Material and labour for brick work with Fly ash Modular bricks, "Straight or curved on plain in cement mortar 1:4 for repair of valve pit chamber including demolation of brickwork or stone complete all as specified and as directed by Engr-in-Charge.

Material and labour for rendering cement plaster (1:4) 10mm thick on brick work or concrete surface including taking down down plaster on brick or stone wall etc. complete all as specified and as directed by Engr-in-Charge.

Guru Charan Mahata

VICKY ENTERPRISE

SUMAN CONSTRUCTION

I.S.ENTERPRISE

SENCO

GOUTAM SEN

M/S Jamuna Traders

M/s Antara