REPAIR MAINTENANCE OF FIRE MAIN SYSTEM DEWATERING PUMP SUBWAY PUMP AND SEEPAGE PUMP AND INCL ALLIED WORKS OF VARIOUS JETTIES AT NAVAL DOCKYARD UNDER GE NW KUNJALI

Amount

Disconnecting horizontal / vertical split casing 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 :-

Pump coupled with 200/250/280/300 HP motor suitable of bearing Make : SKF bearing No. 3310/ 6310/ 3309/ 6309 or equivalent'/ NBC/THORDON/ RHP/NBC/ THORDON/RHP

Pump coupled with 120/100/150 HP motor suitable of bearing Make : SKF bearing No.3309/ 6309/ or equivalent"/ NBC/THORDON/ RHP/NBC/THORDON/ RHP

Pump coupled with 60/75/50/40 HP motor bearing make SKF bearing No. 3309/ 6309/ 3307/ 6307 or equivalent"/ NBC/THORDON/RHP

Pump coupled with 10/12.5/ 15/ 20/ 25/ 30 HP" motor bearing make : SKF bearing No. 3306/6306/ 3307/ 6307/ or equivalent" /NBC/THORDON/RHP

Pump coupled with 7.5/5 HP motor bearing . Make : SKF bearing No. 3306/ 6306/ 3305/6305 or equivalent" /NBC/THORDON/RHP

Note :- (For Item No 1.01 to 1.05 Rates deemed to be included for decoupling and coupling pump with motor).

Supply and Fixing in repair DE/NDE bearing including necessary greasing reassemble the motor connect, testing and commissioning complete for following capacity motors complete all as specified and directed by Engineer-in-Charge. :-

Motor capacity 200/250/280/300 HP bearing make SKF bearing No. 6319/ 6316/ or equivalent" /NBC/THORDON/RHP

Motor capacity 120/100/150 HP suitable bearing Make : SKF bearing No. 6317/ 6314/ 6313 or equivalent" /NBC/THORDON/RHP/NBC/THORDON/RHP

Motor capacity 60/75/ 50/40" HP suitable bearing make SKF bearing No. 6313/ 6311/ 6310 or equivalent"/ NBC/ THORDON/RHP

Motor capacity 10/12.5/15/20/25/30 HP" suitable bearing make : SKF bearing No. 6309/ 6308/ 6208/ 6209/ 6307 or equivalent" /NBC/THORDON/RHP

Motor capacity with 7.5/5 HP suitable bearing . Make : SKF bearing No. 6306/ 6305/ 6206/ 6205 or equivalent /NBC/THORDON/RHP

Material and Labour in repair replacement of rubber coupling Make : FENNER/ FINOLEX of size as per Existing including testing complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing in repair pressure gauge 150 mm dia range 0-10 kg/Sqcm , complete all as specified and directed by Engineer-in-Charge.

Note : (For Item No. 2.01 to 2.07 Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage).

Supply and Fixing in repair MS coupling suitable to 200 to 300 HP pumps at various installations complete all as specified and directed by Engineer-in-Charge. .

Supply and Fixing in repair MS coupling suitable to 50 to 150 HP pumps at various installations complete all as specified and directed by Engineer-in-Charge. .

Supply and Fixing in repair MS coupling suitable to 40 to 50 HP pumps at various installations complete all as specified and directed by Engineer-in-Charge. .

Supply and Fixing in repair MS coupling suitable to 5 to 40 HP pumps at various installations complete all as specified and directed by Engineer-in-Charge. .

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 work, coupled with the pumping sets allingments properly , connecting the LT cables and testing and commissioning complete of the following capacity of Electric Motors complete all as specified and directed by Engineer-in-Charge.

300/280 HP Capacity

200/250 HP Capacity

120/100/150 HP" capacity

60/75/50/ 40 HP" Capacity

10/12.5 HP Capacity

5/7.5 HP Capacity

Supply and Fixing in repair/replacement of main contactor suitable for following capacity of motors including taking down old one :-

300/280/250 HP motor, MNX 300, 3 pole, 415V, 50 Hz

100/120/150 HP" motor, MNX 140, 3 pole, 415V, 50 Hz

75/60/50/40/30/25/20 HP" motor, MNX 95 , 3 pole, 415V, 50 Hz

12.5/10/7.5 HP motor, MNX 18, 3 pole, 415V, 50 Hz

Supply and Fixing in repair/replacement of over load relay 300 to 7.5 HP motor , Relay range 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing in repair/replacement of MCCBs fixed in existing panel board including taking down old one complete all as specified and directed by Engineer-in-Charge. :-

MCCB 3 Phase (TP) 1250A 50Hz, 50 KA

MCCB 3 Phase (TP) 1000A 50Hz, 50 KA

MCCB 3 Phase (TP) 800A 50Hz, 50 KA

MCCB 3 Phase (TP) 630A 50Hz, 50 KA

MCCB 3 Phase (TP) 200A 50Hz, 35 KA

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

MCCB 3 Phase (TP) 63A 50Hz, 25 KA

Material and Labour for replacement of unserviceable pump & line shaft complete all as specified and directed by Engineer-in-Charge for following cap pump sets :-

Suitable for 300/280/250/200 HP

Suitable for 150/120/100 HP"

Suitable for 75/60/50/40/30 HP"

Suitable for "7.5/10/12.5/15/20/25/30 HP"

Material and Labour for replacement of unserviceable impeller incl impeller ring and casing ring and balancing of rotating assembly with impeller as per existing complete all as specified and directed by Engineer-in-Charge suitable for following cap pump sets :-

Material and Labour for replacement of unserviceable air release valve made out of Stainless steel of any size / cap of pump set: complete all as specified and directed by Engineer-in-Charge. :-

300 HP to 100 HP .

Note :- (For Item No. 12.01 to 12.02 Rates for replacement of gaskets, SS nuts, SS bolts, washers, etc are deemed to be included in the item rate).

Supply anf fix in repair direct on line (DOL) starter 3 phase 415 Volts 7.5 hp to 05 HP capacity complete all as specified and directed by Engineer-in-Charge.

Material and labour for repairing and brazing wherever required with copper rod for rotor assembly of the following capacities of motor including grinding, cleaning, varnishing and testing complete all as specified and directed by Engineer-in-Charge.

Material and labour for repairing, metal filling, turning and grinding on lathe machine shafts of the following capacity pump sets complete all as specified and directed by Engineer-in-Charge.

Material and Labour for replacement of gland packing suitable for pump set 300 HP to 7.5 HP complete with removing worn out gland, cleaning etc complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Soft Starter for 280/300 HP Motor, 415V, 50 Hz incl indoor type panel complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Soft Starter for 200/250 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 120/100 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 60/75 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 12.5/10/7.5 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Taking down and dismantling centrifugal pump sets of following capacity installed at various water supply installations for servicing/overhauling , greasing and replacement of worn out parts which shall be measured and paid separately under the relevant items of Sch `A' :-

Material and Labour for Cutting existing cast iron pipes and reducing for insertion of CI fittings to required length in position complete all as specified and directed by Engineer-in-Charge. for following sizes :-

300 mm bore

150 mm bore

100 mm bore

200 mm bore

Supply and Fixing in repair sluice valves flanged end, cast iron body, flanged and drilled and non rising type brass spindle with nut, long body, class P N 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 of following size.

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Material and Labour for repairing/ refurbishment of bell mouth of existing dewatering pump including opening up the pump and refixing the same after repair complete all as specified and directed by Engineer-in-Charge for following sizes :-

Construction of brick masonery valve chamber in repair of size 1.2 x 1.2 x 1.2 M (internal dimension) (above GL 0.30 mtr) suitable for fixing of sluice valves, 15cm thick foundation using PCC 1:4:8 type D-2 over 15cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, 15mm thick, finished even and smooth, without using extra cement, 5 mm thick MS plate cover on 50mm x 50mm x 6mm MS angle frame embeded in PCC 1:2:4 type B-1coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements ,hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified and directed by Engineer-in-Charge.

Supply, lay/fix, 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 and directed by Engineer-in-Charge. Note : MS pipe must be heavy duty of pressure rating of 14 Kgf"

300 mm bore

200 mm bore

250 mm bore

150 mm bore

Supply and Fixing gunmetal gate valve, conforming to IS-778, ISI marked, with iron wheel head screwed at both ends for iron pipes or ferrule and fixing including necessary fittings like unions, check nuts, etc and any addition / alteration required for fixing, as fixed in repairs complete all as specified and as directed by the Engineer-in-charge of the following diameter complete all as specified and directed by Engineer-in-Charge.

40 mm bore

50 mm bore

80 mm bore

25 mm bore

20 mm bore

15 mm bore

Supply & lay in repair only cast iron pipes with spigot and socket/ flanged end type" centrifugally cast class `LA' in any length laid in trenches of following sizes.

300mm bore

200mm bore

150mm bore

100mm bore

Taking down corroded MS sections and Supply and Fixing angle iron frame work of any size including necessary fabrication work with two coats of synthetic enamel paint over a coat of Redoxide complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing in repair 1& 2 HP Moboblock pump,3phase, 440volts complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing in repair 5hp submersible openwell pump, 3phase, 440volts complete all as specified and directed by Engineer-in-Charge.

Material and labour for preperation of steel/iron surface of old painted surface of any motor/pump otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with anticorrosive paint for protection against sea water (existing pattern) complete all as specified and directed by Engineer-in-Charge.

Supply , fixing, testing in repairs of JEF ECO SAFE Maintenance Free Grounding Solution set comprising of High tensile low carbon steel rod of 3 Mts length & 25 mm dia with 250 micron ( averaSchneider ) molecularly bonded copper on the outer surface to confirm with requirements of UL467 along with Back-fill compound strictly be a Carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm Mtr as per Clause 14.5D of IEEE : 80 standard. Back-fill compound should be electronically conductive ( Like in metals ) and should not depend on moisture for conduction. JEF Powerfill Loresco compound shall be supplied in 50 Pound Bag. ( 1 Bag of 50 Pounds required per earthing set). Back-fill comound should be environment friendly, should solidify when mixed with water and set like concrete and should not leach / diffuse into the ground. A suitable earth terminaton clamp should also be supplied along with the set alongwith earth pit weatherproof incl complete all as specified and directed by Engineer-in-Charge. Note : Back-fill compund shall not be mixed with any soil while pouring in the bore hole.

Shree Ayyappa Engineering

Chakshu Enterprise

Expert Electric Service And Stores

siddharth and company

SUNRISE CONSTRUCTION CO

Shetty Construction Co

cooltech engineering services