8481 REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY COMPONENTS ON THE LHS OF LION GATE INCLUDING PUMP MOTOR, SLUICE VALVE PITS ETC AND OTHER WORKS LISTED IN AMP OF NAVAL DOCKYARD UNDER GE NW KUNJALI

Amount

Construction of brick masonry 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, finished even and smooth, without using extra cement, 5 mm thick 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.

Disconnecting horizontal 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 :- Note :- Rates deemed to be included for decoupling and coupling pump with motor incl alignment if required .

Pump coupled with 75/70/65 HP motor suitable of bearing Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 50/55/40/45 HP motor bearing . Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 30/35 HP motor bearing Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 20/25/15 HP motor bearing Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 7.5 HP motor bearing Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 10 HP motor bearing Make : SKF/NBC or equivalent as approved by GE

Pump coupled with 5 HP motor bearing Make : SKF/NBC or equivalent as approved by GE

S&F in repair DE/NDE bearing including necessary greasing reassemble the motor connect, testing and commissioning complete for following capacity motors :- Note :- Rates deemed to be included for decoupling and coupling pump with motor incl alignment if required .

Motor capacity 70/60/75 HP bearing Make : SKF/NBC or equivalent as approved by GE

Motor capacity 40/45/50/55 HP bearing Make : SKF/NBC or equivalent as approved by GE

Motor capacity 30/35 HP bearing Make : SKF/NBC or equivalent as approved by GE

Motor capacity 15/20/25 HP bearing Make : SKF/NBC or equivalent as approved by GE

Motor capacity 7.5/10 HP bearing Make : SKF/NBC or equivalent as approved by GE

Motor capcity 5 HP bearing Make : SKF/NBC or equivalent as approved by GE

M & L for in repair replacement of rubber coupling Make : FENNER/ FINOLEX of size as per Existing including testing.

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

S&F in repair MS coupling suitable to 100/75/60/50 HP pumps at various installations.

All as per item No. 6 above but suitable for 40HP/20HP/10HP.

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 :-

300/250/200 HP capacity

150/140 HP Capacity

100/125 HP capacity

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 95, 3 pole, 415V, 50 Hz Make :L&T/Havells/Siemens

40/50 HP motor, MNX 70, 3 pole, 415V, 50 Hz Make :L&T/Havells/Siemens

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

100 to 7.5 HP motor , Relay range (35-50A) 415V, 50 Hz Make : L&T/Havells/Siemens

S&F in repair/replacement of MCCBs fixed in existing panel board Make : L&T/Havells/Standard/CG including taking down old one of following capacity :-

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

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

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

M & L for replacement of unserviceable shaft sleeves for following capacity pump sets :-

Suitable for 40/30 HP

Suitable for 15/ 20 HP

Suitable for 10HP

M & L for replacement of unserviceable impeller as per existing suitable for following capacity pump sets :-

Suitable for 40/30 HP

Suitable for 10 HP

Suitable for 30HP

Suitable for 15 HP

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

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.

40 HP Electric motor

30 HP Electric motor

15 HP Electric motor

20 HP Electric motor

7.5/10 HP Electric motor

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.

40 HP Pump set

30 HP Pump set

15 HP Pump set

20 HP Pump set

7.5/10 HP Pump set

M&L for bacteriological and chemical analysis of water sample at M/S Italab Private Limited Mumbai/Govt approved lab (ISO 9001:2008). Note :- (a) The water sample should be carried in sterlized bottle/water can . (b) The rate quoted shall be deemed to include transportation and testing charges complete. (c) Test certificate of the lab be submitted in duplicate to department.

M&L for replacement of gland packing suitable for pump set 250 HP to 10 HP complete with removing worn out gland, cleaning etc. Make:-Champion or equivalent as approved be GE

Supply and fix in repair/replacement of Star Delta Starter for 40 HP Motor, 415V, 50 HZ Make :L&T/Havells/Siemens

Supply and fix in repair/replacement of Star Delta Starter for 30 HP Motor, 415V, 50 HZ Make :L&T/Havells/Siemens

Supply and fix in repair/replacement of Star Delta Starter for 20 HP Motor, 415V, 50 HZ Make :L&T/Havells/Siemens

Supply and fix in repair/replacement of Star Delta Starter for 15 HP Motor, 415V, 50 HZ Make :L&T/Havells/Siemens

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' :-

M & L for run lead joint in repair 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 :-

300 mm bore

200 mm bore

150 mm bore

100 mm bore

M & L for Cutting existing cast iron pipes and reducing for insertion of CI fittings to required length in position for following sizes :-

300 mm bore

150 mm bore

100 mm bore

200 mm bore

S&F in repair 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. Make:- Sant, Kirloskar, Kartar, Zolota and of following size.

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Supply and fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends &,laid in trenches fixed on wall with all fitting including taking down existing rusted pipes for the following sizes all as directed and specified Make:- Jindal/Tata

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 :- Make : Kirloskar/Zolota/Kantan

40 mm bore

50 mm bore

80 mm bore

25 mm bore

Supply only cast iron pipes with spigot and socket centrifugally cast class `LA' in any length laid in trenches of following sizes. MAKE:-LAMCO INDUSTRIES LTD/ ELECTRO STEEL/ Jindal/ Tata

300mm bore

200mm bore

150mm 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

Supply only ALTOCH-GP high strength calcium based granular disinfectant for chlorination of water. ( Make : Declibac / SRAAC Ltd / Potter & Wats.

Supply, install and testing in repair to digital water level indicator with all connected accessories and level sensor all as directed

Material and labour for preperation of steel/iron surface of old painted surface of any description , not otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with synthetic enamel paint any colour specified by user complete all as specified and directed.

Shree Ayyappa Engineering

Rama Construction Co

shubham construction

Vandan Enterprises

Shetty Construction Co

Darpan Construction