REPAIR and MAINTANANCE OF FIRE FIGHTING PIPE LINES,HYDRANTS VALVES AND CONNECTED ITEMS OF NAVAL DOCKYARD UNDER GE (NW) KUNJALI

Material and labour for preparation of steel/iron surfaces of old painted fire panels of any size, not otherwise described, and applying one coat of red oxide zinc chrome primer followed by two coats of synthetic enamel paint of approved colour, complete all as specified and directed.

Material and labour for preparation of steel/iron surfaces of old painted pipelines of any size, not otherwise described, and applying one coat of red oxide zinc chrome primer followed by two coats of approved anti-corrosive paint suitable for protection against sea water (existing pattern), complete all as specified and directed.

Material and labour for attending breakdown of fire main line within 12 hours of complaint, of any size, including taking out old damaged pipe and fixing new pipe with necessary fittings as per site requirement, and including excavation, removal, welding, blanking, refilling and all other connected works, complete all as specified and directed.

Taking down old unserviceable sluice valve and supplying and fixing in repair heavy duty sluice valve, flanged end, cast iron body, flanged and drilled, non-rising type brass spindle with stainless steel nuts and bolts, long body, class PN 1.6, conforming to IS 14846:2000, including flange joints with rubber/fibre board packing, stainless steel bolts, nuts and washers, complete including pumping out accumulated water, all as specified and directed, of following sizes:

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Taking down old unserviceable non-return valve (NRV) and supplying and fixing in repair heavy duty NRV, flanged end, cast iron body, flanged and drilled, non-rising type brass spindle with stainless steel nuts, long body, class PN 1.6, conforming to IS 14846:2000, including flange joints with rubber/fibre board packing, stainless steel bolts, nuts and washers, complete including pumping out accumulated water, all as specified and directed, of following sizes:

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Supply, laying/fixing, jointing, connecting and testing of MS ERW heavy grade pipes of any length, ISI marked, conforming to IS:1239, including all fittings, fixed to walls/ceiling or laid in trenches/floors, complete all as specified, of suitable thickness to withstand working pressure of 10 kgf/cm², complete all as directed by the Engineer-in-Charge, of following sizes:

300 mm bore

250 mm bore

200 mm bore

150 mm bore

Taking down old unserviceable cast iron pipe and supplying and laying in repair centrifugally cast CI flanged pipes, Class ‘LA’, in any length, laid in trenches, including necessary jointing material, complete all as specified and directed, of following sizes:

300 mm bore

250mm bore

200mm bore

150 mm bore

100 mm bore

Material and labour for cast iron specials/fittings conforming to IS:1538, including spigot/socket or flanged fittings such as bends, tees, collars, tapers, tail pieces, mechanical joints (MJ), etc., suitable for CI pipes of sizes 80/100/150/200/250/300 mm bore, including joints and all joining materials, complete all as specified and directed.

Supply and fixing in repair high pressure rubber hose pipe, 20 mm dia, plain, 2-ply rayon braided, 30 metres long, complete all as specified and directed.

Supply and fixing in repair canvas fire hose, 63 mm bore, 15 metres long, conforming to relevant IS standards, provided with male and female brass couplings at both ends, complete all as specified and directed.

Supply and fixing in repair stainless steel nozzle, 25 mm bore, suitable for 63 mm dia canvas fire hose, complete all as specified and directed.

Supply and fixing in repair hose reel drum suitable for accommodating 30 metres long, 20 mm dia rubber hose pipe, complete all as specified and directed.

Supply and fixing in repair gun metal branch pipe with 63 mm instantaneous inlet, threaded outlet and 15 mm bore nozzle, complete all as specified and directed.

Supply and fixing in repair twin outlet hydrant valve, 100 mm inlet with two 63 mm outlets, made of stainless steel, complete with lock pin wheel arrangement, stainless steel nuts and bolts, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing in repair single outlet hydrant valve, 100 mm inlet with 63 mm outlet, made of stainless steel, complete with lock pin wheel arrangement, stainless steel nuts and bolts, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing in repair brass two-way fire brigade inlet connection with adaptor of size 80 mm dia × 63 mm dia, complete all as specified and directed.

Supply and fixing in repair/replacement galvanized iron (GI) heavy grade pipes including all necessary fittings such as nipples, unions, sockets, elbows, bends etc., laid in trenches or fixed on walls/shafts, including taking down existing rusted pipes, complete all as specified and directed, for the following sizes:

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply and fixing in repair/replacement of stainless steel heavy grade pipes including all necessary fittings such as nipples, unions, sockets, elbows, bends etc., laid in trenches or fixed on walls/shafts, including taking down existing rusted pipes, complete all as specified and directed, of following sizes:

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Construction of brick masonry valve chamber in repair, internal size 1.20 m × 1.20 m × 1.20 m (above GL up to 0.30 m), suitable for fixing sluice valves, comprising of the following: (a) 150 mm thick PCC 1:4:8 (Type D-2) foundation. (b) 150 mm thick hardcore of broken stone. (c) 230 mm thick brick masonry in cement mortar 1:4. (d) 15 mm thick plaster internally and externally in cement mortar 1:4. (e) Top flooring plaster in cement mortar 1:3, finished smooth and even. (f) 5 mm thick MS plate cover fixed on 50×50×6 mm MS angle frame, embedded in PCC 1:2:4 (Type B-1) coping. (g) Rectangular hinged opening of size 150 mm × 100 mm, including locking arrangement, holdfasts etc. (h) Painting of all steel surfaces with one coat of red oxide primer and two coats of synthetic enamel paint. (i) Including excavation, earthwork in any type of soil, and disposal of debris outside MD land. Complete all as specified and directed.

Supply and fixing in repair/replacement of main contactor suitable for motor duty, including taking down old unserviceable contactor, complete all as specified and directed, for the following capacities:

75/60 HP motor, MNX 95, 3 pole, 415V, 50 Hz

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

Supply and fixing in repair 5 mm thick MS plate cover for valve chamber/underground sump/overhead tank, including necessary fabrication work with hinges and handle, and painting with one coat of red oxide primer followed by two coats of synthetic enamel paint, complete all as specified and directed.

Supply and fixing in repair/replacement of MCCB, thermal magnetic release, adjustable type, fixed in existing panel board, including taking down old unserviceable MCCB, complete all as specified and directed, of following capacities:

MCCB 3 Phase (FP) 400 A 50Hz, 35 KA

MCCB 3 Phase (FP) 250 A 50Hz, 35 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

Supply and fixing in repair/replacement of soft starter suitable for 250 HP motor, 415V, 50 Hz, including taking down old unserviceable unit, complete all as specified and directed

Supply and fixing in repair/replacement of star-delta starter suitable for 75 HP motor, 415V, 50 Hz, including taking down old unserviceable unit, complete all as specified and directed.

Supply and fixing in repair/replacement of star-delta starter suitable for 30 HP motor, 415V, 50 Hz, including taking down old unserviceable unit, complete all as specified and directed.

Supply and fixing in repair pressure gauge of 150 mm dial size, range 0–10 kg/cm², complete all as specified and directed.

Supply and fixing in repair in existing line gun metal gate valve with iron wheel head, screwed ends, suitable for iron pipes, including fittings such as union, socket etc., complete all as specified and directed, of following sizes:

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Disconnecting horizontal/vertical split casing pump or submersible pump of any make/model, dismantling and taking out pump shaft assembly complete for replacement of pump bearings (DE or NDE), replacement of pump gasket, greasing of pump set, reconnecting to coupling, testing and commissioning, complete all as specified and directed, for following capacities:

Pump coupled with 200/250 HP motor, bearing Make: SKF No. 3310/3310ATN or equivalent (NBC/THORDON/RHP/SKF).

Pump coupled with 150 HP motor, bearing Make: SKF No. 3309 or equivalent (NBC/THORDON/RHP/SKF).

Pump coupled with 120/100 HP motor, bearing Make: SKF No. 3309 or equivalent (NBC/THORDON/RHP/SKF).

Pump coupled with 40 HP motor, bearing Make: SKF No. 6306 or equivalent (NBC/THORDON/RHP).

Pump coupled with 20/25/30 HP motor, bearing Make: SKF No. 6305 or equivalent (NBC/THORDON/SKF).

Pump coupled with 10/12.5/15 HP motor, bearing Make: SKF No. 6304 or equivalent (NBC/THORDON/SKF).

Pump coupled with 7.5/5 HP motor, bearing Make: SKF No. 6304/6303 or equivalent (NBC/THORDON/SKF).

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

S&F in repair MS coupling suitable for 150 to 200 HP pumps at various installations complete all as specified and directed by Engineer-in-Charge.

S &F in spider bush made out of spring steel/SS suitable for 200 HP to 250 HP motor complete all as specified and directed by Engineer-in-Charge.

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