8191 REPAIR/MAINTANANCE OF EXTERNAL WATER SUPPLY SYSTEM, VALVES, PIPES AND CERTAIN ALLIED ITEMS ETC OF NAVAL DOCKYARD UNDER GE KUNJALI

Amount

Disconnecting horizontal / vertical split casing pump / Submersible pump of any make/model, dismantling and taking out pump shaft assembly complete for replacement of pump bearing DE or NDE replacement of pump gasket including greasing the pumpset connecting to coupling testing & commissioning complete all as specified and directed for following sizes / capacities of pump :-

Bearing suiable for pump coupled with 40/50/60/75 HP motor

Bearing suiable for pump coupled with 15/20/22.5/25/30 HP motor

Bearing suiable for pump coupled with 2/3/5/7.5/10/12.5 HP motor

Pump coupled with any HP motor bearing .

S&F in repair DE/NDE bearing including necessary greasing reassemble the motor connect, testing and commissioning complete for following capacity motors :-

Bearing suiable for HP Motor of capacity 40/50/60/75

Bearing suiable for HP Motor of capacity 15/20/22.5/25/30

Bearing suiable for HP Motor of capacity 7.5/10/12.5

Bearing suiable for HP Motor of capacity 2/3/5

S&F in repair for rubber coupling of size as per Existing including testing.

S&F in repair for pressure gauge 100 mm dia range 0-7 kg/Sqcm , Note : Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage.

S&F in repair for pressure gauge 150 mm dia range 0-10 kg/Sqcm , Note : Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage.

S&F in repair for pressure gauge 200 mm dia range 0-14 kg/Sqcm , Note : Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage.

S&F in repair for MS coupling suitable to 75/60/50 HP pumps at various installations.

Disconnecting LT cables of various sizes from electric motor of different capacities and decoupling from the pumping sets, removing and taking down carefully and transporting to authorised workshop for rewinding strip opening and dismantling complete rotor and stator assemby, cutting; and taking out old burnt copper winding from the stator assembly and cleaning the slots of stor with carbon tetra chloride solution. Material and labour for rewinding complete stator assembly with and including super enamelled copper winding wire of suitable gauge machine with existing. Applying the minimum two coats of insulation varnish and keeping the stator assembly in heating chamber to improve for insulation value. Assemblyling the motor, transporting to site of worik, coupled with the pumping sets allingments properly, connecting the LT cables and testing and commissioning complete of the following capacity of Electric Motors :-

75/60 HP Capacity

40/50 HP Capacity

30/25 HP Capacity

15/20 HP Capacity

5/7.5/10 HP Capacity

S&F in repair/replacement of main contactor suitable for following capacity of motors including taking down old one :-

75/60 HP motor, MNX 85, 3 pole, 415V, 50 Hz

40/50 HP motor, MNX 70, 3 pole, 415V, 50 Hz

30/20 HP motor, MNX 50, 3 pole, 415V, 50 Hz

S&F in repair for Relay range upto 7.5 to 100 HP motor , Relay range upto 50Amp, 415V, 50 Hz

S&F in repair of MCCBs with thermal magnetic protection fixed in existing panel board including taking down old one of following capacity :-

MCCB 3 Phase (FP) 160A 50Hz, 25 KA

MCCB 3 Phase (FP) 100A 50Hz, 25 KA

MCCB 3 Phase (FP) 63A 50Hz, 16 KA

S&F in replacement of unserviceable brass shaft sleeves for following capacity pump sets :-

Suitable for 75/60/50 HP

Suitable for 40/30 HP

Suitable for 22.5/ 20/15 HP

Suitable for 10/7.5/5HP

S&F in replacement of unserviceable CI impeller as per existing suitable for following capacity pump sets :-

Suitable for 75/6050HP

Suitable for 40/30HP

Suitable for 20/15 HP

Suitable for 10/7.5/5 HP

Supply and fix in repair direct on line (DOL) starter 3 phase 415 Volts up to 05 HP capacity.

S&F in replacement of gland packing suitable for pump set 10HP to 75 HP complete with removing worn out gland, cleaning etc.

S&F in replacement of gland packing suitable for pump set 5HP to 7.5 HP complete with removing worn out gland, cleaning etc.

Supply and fix in replacement of Star Delta Starter for 40 HP Motor, 415V, 50 HZ including cotactor of suitable capacity,protection relay etc.complete all as specified and directed .

Supply and fix in replacement of Star Delta Starter for 30 HP Motor, 415V, 50 HZ including contactor of suitable capacity,protection relay etc.complete all as specified and directed .

Supply and fix in replacement of Star Delta Starter for 20 HP Motor, 415V, 50 HZ including contactor of suitable capacity,protection relay etc.complete all as specified and directed .

Supply and fix in replacement of Star Delta Starter for 15 HP Motor, 415V, 50 HZ including contactor of suitable capacity,protection relay etc.complete all as specified and directed .

S&F in repair for run lead joint with pig lead including pumping out / bail out water and necessary excavation and earth work in any type of soil,to repair the joints for following sizes of pipes :-

80 mm bore

100 mm bore

S&F in repair for heavy duty sluice valves flanged end, cast iron body, heavy duty flanged and drilled and non rising type brass spindle with nut, long body, class PN 16, conforing to IS 14846 of 2000 for following sizes including all flange joint with rubber or fiber board, bolts, nuts and washers complete including pumping out accumulated water all as specified and directed. for following size.

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply and laying in repair of Stailess Steel water tubing, Heavy duty fixed on wall with all fitting including welding taking down existing pipes for the following sizes all as specified and directed.

20 mm bore

25 mm bore

40 mm bore

Supply and laying in repair of Galvanised water tubing, Medium grade with all fittings such as nipple, union, socket, elbow, bends etc. laid in trenches,fixed on wall , laid in floor with all fitting including taking down existing rusted pipes for the following sizes all as directed and specified .

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply and fix in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified of following sizes :-

15 mm bore

25 mm bore

40 mm bore

50 mm bore

80mm bore

Supply and laying for cast iron pipes with flange joint both ends centrifugally cast heavy grade class LA in any length laid in trenches/duct of following sizes.

300mm bore

250mm bore

200mm bore

100mm bore

80mm bore

S&F in repair MS plate cover 5mm thick of valve chamber,under groundsump/ over head tank, including necessary fabrication work with hinges, handle and applying two coats of synthetic enamel paint over one coat of red oxide complete all as specified.

Taking down DI/CI special, corroded MS sections and S&F angle iron frame of size 50 x 50 x 6 mm of valve chamber, over head tank, UG sump including necessary fabrication work with any size of channel, angle, beam complete all as specified

Material and labour for preperation of steel/iron surface of old painted surface of any size Pipeline otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with anticorrosive paint for protection against sea water complete all as specified and directed.

Supply, install and testing electric digital water level indicator with all connected accessories and level sensor including taking down old unserviceable water level indicator complete all as specified and directed by Engineer in charge.

Supply and laying connect and testing MS ERW pipe, in any length, including supply and fixing all fittings, ISI marked conforming to IS-1239 and fixed to wall/ceiling or laid in trenches/floors complete all as specified including thickness to withstand pressure of 10 kgf force and all as directed by the Engineer-in-Charge.

300 mm bore

250 mm bore

200 mm bore

150 mm bore

taking down old unserviceable pump control panel and supply and fixing new pump motor control panel made of CRCA sheet 2mm thick with existing size including MCCB's 63A ,16 KA,4P -02 Nos , digital voltmeter 3 Ph-01Nos,digital Ammeter 3 ph -01nos, CT Cl 1.0 with on/off switches with all connected accessories including contactor of suitable capacity complete all as specified and directed by Engineer in charge.

Supply and fix in replacement of water level controller (LRS) with sensor AC 240V,with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of water level controller ,AC 240V,with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of water float switch with NO/NC sensor for water level control IP68,16(8)A,240V with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of timer 800XA ,AC,20V -240V, 12-240V DCwith all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of transformer ,AC,440V to 12V,1 Amp,50Hz,with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of relay 12v ,MK 2P-N ,AC,240V,with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of relay holder 2-M4X20 ,AC,240V,with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of rectifier KBPC 12V AC/12V DC with all accessories complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of 12 way terminal block connector upto 15A current rating,240V AC complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of LED Indication lamp , Red ,yellow,blue complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of Solder wire complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of Foot valve made of brass 40mm dia ISI marked complete all as specified and directed by Engr-in-charge.

Supply and laying for DI pipes with flange joint both ends heavy duty class LA in any length laid in trenches/duct /on floor of following sizes.

250mm bore

200mm bore

150mm bore

N.S.ENTERPRISES (BID ID -3344539)

ASHOK ENTERPRISES (BID ID -3349165)

Shree Ayyappa Engineering (BID ID -3350544)

cooltech engineering services (BID ID -3350110)

B P ENTERPRISES (BID ID -3350158)

ADITYA CONSTRUCTION (BID ID -3349598)

Chakshu Enterprise (BID ID -3350088)

K.C.P ENTERPRISES (BID ID -3349540)