REPAIR MAINT OF PUMP MOTOR OF DIFFERENT CAPACITY AND CONNECTED WORKS 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,discconection 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 30 HP induction motor (Make : Kirloskar).

Collecting of water samples from (a) Gumani dam (b) booster pump house (c) Domestic area (d) One lakh galon tank area of 5 Ltrs each from each location in container as recommended, transporting it to Govt recognised Lab for testing forwarding to the test house and carrying out chemical testing water for iron, PH value, hardness, turbidity, chloride, fluoride, arsenic, colour odour, TDS,E-coli test by Govt approved laboratory and submitting the report in triplicate,complete all as specified and as directed.

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 6313-2RS1 as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only NU 308 ECP as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only bearing 7308BECBP as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only bearing 6312-2Z as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only bearing NU 30 ECP as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only bearing7308 BECBP as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only impellar bearing NU308ECP as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only LM501349/310/Q SKF DOM TRB as per existing. (Make : SKF / NBC or equivalent as approved)

Supply only cast iron Impeller suitable for centrifugal pump of capacity 50 HP of any stage complete all as existing one.

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

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,no. 08complete all as specified and directed by Engr-in-Charge.

M&L for cast iron sluice valve of 150 mm dia ISI Marked, confIrming to IS14846 both ends flanged with ss spindle, class PN1.6 and necessary new MS nuts, bolts, washer and gasket, including taking out old u/s ones for credit and making good etc,complete all as specified and directed by Engr-in-Charge.

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,complete all as specified and directed by Engr-in-Charge.

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,complete all as specified and directed by Engr-in-Charge.

M&L for PVC insulated, heavy duty, industrial copper cables of 25 sqmm, single core (flexible) unsheathed 1100 volts grade conforming to IS : 694 for connection of motors etc with copper lugs for suitable size complete all as specified and as directed. (Make :RR Cable/ KDK / Finolex )

Supply and fix powder coated peforated cable tray of 80 mm width 25 mm height with cover C type for cable dressing including coupler, junction boxes, screws, fastner etc all complete and fixing charges,complete all as specified and 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 1.50 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 1.50 mtr), high density rubber sheet,welding,and including necessary exacavation & earth work as required for making it serviceable,complete all as specfied and as 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 80mm dia size including taking out old U/S GI pipe,complete all as specified and directed by Engr-in-Charge.

All as Item no. 30 but 50 mm dia.

All as Item no. 30 but 20 mm dia.

M&L for applying one coat of synthetic enamel paint of existing colour shade on surfaces of any description,over 10 cm in width or girth, not otherwise described, complete all as specified and as directed by Engr-in-Charge.

M&L for rubber joint/fibre board gasket incl nuts, bolts, double washers complete of 150mm bore size,All as Item no. 30, complete all as specified and directed by Engr-in-Charge.

All as Item no. 34 but 200mm bore.

M&L for run lead joint suitable for pipe bore 150mm,complete all as specified and directed by Engr-in-Charge.

M&L for run lead joint suitable for pipe bore 200mm,complete all as specified and directed by Engr-in-Charge.

S&F in repair for GI Stainer of size 150 mm dia,complete all as specified and directed by Engr-in-Charge.

S&F in repair non return butterfly valve (foot valve) of size 150mm dia,complete all as specified and directed by Engr-in-Charge.

Material and labour for excavation in trenches in any type of soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr depth for laying of cable/GI pipe etc and getting out,complete all as specified and directed by Engineer-in-Charge.

M&L for returning filling inclulding spreeding, leveling watering and well ramming in layers not exceeing 25 cm thick using excavated soil,complete all as specified and directed by Engineer-in-Charge.

M&L for removal of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.50 mtr above the strating point,complete all as specified and directed by Engineer-in-Charge.

M/S New Builders Corporation (BID ID -3183958)

M/S ASHA ENTERPRISE (BID ID -3180465)

M/S AMARNATH AGARWALLA (BID ID -3179284)

M/S SINGH ENTERPRISE (BID ID -3180472)

M/S MBS TRADING CO (BID ID -3178303)