REPAIR MAINT OF PUMP MOTORS OF DIFFERENT CAPACITY AND ACCOCIATED WORKS ALONGWITH TESTING OF WATER SAMPLES AT AF STN SINGARSI UNDER AGE I AF SINGARSI

Amount

Dismantling of mulitistage induction motor of 100 HP (Make : Kirloskar) from pump after disconnection of mechanical tyre coupling and unbolting from foundation base plate,disconnection of electric connection from terminal, loading/unloading the motor to vehicle and transportation of the motor from Singarsi (Air Force Station) to workshop (out side) for repair / replacement, open the motor and cutting the burnt winding and clean the rotor & stator with CTC or other cleaning agent and re-winding of stator winding with super enamelled copper wire of gauge and turn as per existing, insulating the leads with insulating tubes and varnishing the stator with good quality of insulating varnish and after that, heating the stator in heat chamber for continuous two days for better insulation resistance. Re-assembling the stator & rotor carefully after replacement of worn out bearings as per existing and again transportation of the motor through vehicle from workshop (out side) to Singarsi (Air Force Station) including loading/unloading the motor on its base frame, connection of motor with pump with tyre coupling and fixing to the base frame by bolts incl super enamelled copper wire of existing gauge / size / quality to match with the existing as comply with Indian Standard Specification. After checking up the alignment, testing of motor with megger for checking of insulation resistances, electric connection of motor to the control panel, testing on load for continous running for three hours complete all as specified and directed by Engr-in-Charge

All as per item No 01 here-in-before but capacity 75 HP squirrel cage induction motor (Make : Kirloskar ).

All as per item No 01 here-in-before but capacity 60 HP induction motor (Make : Kirloskar ).

All as per item No 01 here-in-before but capacity 40 HP induction motor (Make : Kirloskar).

All as per item No 01 here-in-before but capacity 30 HP induction motor (Make : Kirloskar).

Dismantling of 5 HP monoblock type motor with pump (Make : Kirloskar) from foundation base plate after discconection of electric connection and unbolting. Loading/unloading the motor with pump to vehicle and transportation of the motor with pump from Singarsi (Air Force Station) to workshop (out site ) for repair / replacement, open the motor and cutting the burnt winding and clean the rotor & stator with CTC or other cleaning agent and re-winding of stator winding with super enamelled copper wire of gauge and turn as per existing, insulating the leads with insulating tubes and varnishing the stator with good quality of insulating varnish and after that, heating the stator in heat chamber for continuous two days for better insulation resistance. Re-assembling the motor with pump carefully after replacement of worn out bearings as per existing and again transportation of the motor through vehicle from workshop (Pakur/ Nalhati/Dumka/Kolkata etc) to Singarsi (Air Force Station) including loading/unloading the motor on its base frame, connection of motor with pump with tyre coupling and fixing to the base frame by bolts incl super enamelled copper wire of existing gauge / size / quality to match with the existing as comply with Indian Standard Specification.. After checking up the alignment, testing of motor with megger for checking of insulation resistances, electric connection of motor to the control panel, testing on load for continous running for three hours complete all as specified and directed by Engr-in-Charge. only).

All as per item No 06 here-in-before but capacity 1HP/0.5HP monoblock type motor with pump ( Make : Kirloskar/Crompton Greaves ) .

Disconnecting the 100 HP mulitstage centrifugal pump from the motor after disconnection of mechanical tyre coupling, suction/discharge pipe line and unbolting from foundation base plate, loading/unloading the pump to vehicle and transportation of the pump from Singarsi (Air Force Station ) to workshop (Pakur/Nalhati/Dumka/kolkata etc) for repair/replacement/maintenance and including dismantling & re-assembling the pump impeller with housing, stainless steel shaft, bearing for smooth running, replacement of packing gaskets, shaft sleeve, neck ring etc, with necessary oiling and greassing and again transportation of the pump through vehicle from workshop (Pakur/Nalhati/Dumka/kolkata etc) to Singarsi (Air Force Station) after necessary repair/replacement/maintenance including coupling (iron) cutting / making the bore and fixing the unique rubber coupling as required thickness in the existing if required and loading/unloading the pump and re-coupling the pump with motor on base frame, after checking of the alignment with motor, testing, commissioning complete all as directed by Engr-in-Charge. ( Note : 1. Spare parts of pump i.e. ball bearing, stainless steel shaft, impeller will be measured and paid separately as supply only if required)

All as per item No 08 here-in-before but capacity 75 HP centrifugal pump

All as per item No 08 here-in-before but capacity 60 HP centrifugal pump

All as per item No 08 here-in-before but capacity 40 HP centrifugal pump

All as per item No 08 here-in-before but capacity 30 HP centrifugal pump

Supply only bearing 6210 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6211 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6311 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 7309 becbp as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 309 EC as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6313 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6305 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6306 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6309 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6312 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6206 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6204 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6205 as per existing (Make : SKF / NBC or equivalent as approved)

Supply only star coupler 225 of standard make as per existing

Supply only star coupler 190 of standard make as per existing

Supply only cast iron Impeller set suitable for centrifugal pump of capacity 100 HP of any stage complete all as existing one.

Supply only cast iron Impeller set suitable for centrifugal pump of capacity 75 HP of any stage complete all as existing one.

Supply only cast iron Impeller set suitable for centrifugal pump of capacity 60 HP of any stage complete all as existing one.

Supply only cast iron Impeller set suitable for centrifugal pump of capacity 40 HP of any stage complete all as existing one.

Supply only cast iron Impeller set suitable for centrifugal pump of capacity 30 HP of any stage complete all as existing one.

Supply only stainless steel shaft for 100 HP of Centrifugal pump set of any stage all as per existing one

Supply only stainless steel shaft for 60 HP of Centrifugal pump set of any stage all as per existing one

M & L for lathe machining/grinding/drilling, etc incl. disconnection of mechanical coupling/ re-coupling the pump with motor/unbolting from foundation base plate, remounting/ shaft alignment,welding, etc of shaft/impeller or any other part of pump-motor set all as specified and directed by Engr-in-Charge. Note: This serial is applicable when maintenance is carried out at site or at workshop where such machining is required for pump-motor set.

M & L for 16 mm to 20 mm dia MS bolts and nuts (machine made) with hexagonal or square head at one end and screwed the other with washers of length exc. 22.5cm and n.exc. 30 cm and fixing in machine foundation / platform for existing centrifugal pump fixed in repairs.

M & L in replacement for DI/CI special fitings like bends, tapers, tee, tail pieces,collars etc suitable upto 150 mm dia pipes including necessary welding works at site requirement .

M & L in replacement for DI/CI special fitings like bends, tapers, tee, tail pieces,collars etc suitable upto 200 to 300 mm dia pipes including necessary welding works at site requirement .

Supply & Fix of Fully Automatic Star delta Starter encompassing rating of 415v, 50 Hz, 3 Phase, 75 HP for centrifigal pumpset after disconnecting from old U/S starter. Make: L&T/Schneider/GE/Havells

Supply & Fix of Fully Automatic Star delta Starter encompassing rating of 415v, 50 Hz, 3 Phase, 40 HP for centrifigal pumpset after disconnecting from old U/S starter. Make: L&T/Schneider/GE/Havells

Supply & Fix of DOL Starter encompassing rating of 415v, 50 Hz, 3 Phase, 5 HP for monoblock centrifigal pump after disconnecting from old U/S starter. Make: L&T/Schneider/GE/Havells

Supply & Fix for XLPE insulated, heavy duty, copper power cable 35 sqmm, three core unarmoured 1100 volts grade conforming to IS 7098 for connection of motors, starter etc with copper lugs for suitable size complete all as specified and as directed. (Make :RR Cable/ KDK / Finolex/Havells/KEI )

Supply & Fix for XLPE insulated, heavy duty, copper power cable 25 sqmm, three core unarmoured 1100 volts grade conforming to IS 7098 for connection of motors, starter etc with copper lugs for suitable size complete all as specified and as directed. (Make :RR Cable/ KDK / Finolex/Havells/KEI )

Supply & Fix for XLPE insulated, heavy duty, copper power cable 10 sqmm, four core unarmoured 1100 volts grade conforming to IS 7098 for connection of motors, starter etc with copper lugs for suitable size complete all as specified and as directed. (Make :RR Cable/ KDK / Finolex/Havells/KEI )

Supply and fixing of powder coated peforated cable tray of 75 mm width 25 mm height with cover C type for cable dressing including coupler, junction boxes, screws, fastner etc all complete and fixing charges as directed by Engr-in-Charge

Supply and fixing of powder coated peforated cable tray of 100 mm width 25 mm height with cover C type for cable dressing including coupler, junction boxes, screws, fastner etc all complete and fixing charges as directed by Engr-in-Charge

S & F of PVC Corrugated Flexible Cable Conduit (Sleeves) of ID 40 mm for management of motor supply cables all complete and as directed by Engr-in-Charge

M&L for leakage rectification, cutting of existing pipe and making threading for repair/ replacement of U/S fittings, rubber gasket, saddle piece, nuts, bolts with washer etc., pipe in short lengths (up to 1.5 mtr) for addition and alteration of 40 to 200 mm dia CI/DI/GI dia and including replacement of fittings, rubber gasket, saddle piece, nuts, bolts with washer etc. pipe in short lengths(up to 1.5 mtr), high density rubber sheet, welding, and including necessary exacavation & earth work as required for making it serviceable complete all as specfied and directed .

M&L for GI pipe "medium grade " ISI marked with and including all fittings ie bend , Tee, elbow , union ect and fixed complete to walls and ceilings or laid in floors/trenches, making good the disturbed surface as earlier of 100mm dia size including taking out old U/S GI pipe.

M & L for rubber joint/fibre board gasket incl nuts, bolts, double washers complete of 100mm bore size.

M & L for preventive maintenance of motor-pumpset viz. greasing with grease gun of all installed motor-pump set of various capacities with suitable heavy duty grease all as specified and directed by Engr-in Charge.

DANATION CONSTRUCTIONS (BID ID -3332528)

M/S New Builders Corporation (BID ID -3337740)

M/S AMARNATH AGARWALLA (BID ID -3332378)

LALAN SHARMA (BID ID -3333043)

M/S SINGH ENTERPRISE (BID ID -3328889)

P .BANERJEE AND CO (BID ID -3333273)

M/S Subhadip Enterprise (BID ID -3332879)