REPAIR/OVERHAULING OF MAJOR FIRE FIGHTING SYSTEM ON-BOARD INS MUMBAI

Amount

Halon fire fighting system : (a)Manifold check valve, Dia- 40 mm, Mat: brass:18 nos, (b) Pressure/ manual DCV,Dia-6"Mat: brass Qty: 02 nos , (c) Pressure/ manual DCV,Dia-4"Mat: brass, Qty: 02 in nos, (d)Pressure/ manual DCV,Dia-3"Mat: brass(02 in nos) (e)Actuation ( pneumatic) line check valve (pilot + NR valve) Dia - 40 mm Mat: brass (08 in nos) (f)Manifold pressure relief valve Dia-40 mm Mat:SS (03 in nos) (g) Manifold pressure by pass globe valve (650 L BR) Dia-1/2" Mat: ASA-600 (03 in nos) (h) Blow air connection with 600 LBS Lockable valve Dia- 1" Mat: ASA-600 (03 in nos) (j)Check valve dia-6" Mat: ASA-600 (02 in nos) (k) Check valve dia-4" Mat: ASA-600 (02 in nos) (l) Check valve dia-3" Mat: ASA-600 (02 in nos) (m) Check valve dia-1/2" Mat: ASA-600 (02 in nos) (n) Manifold DCV (port side) Dia 01", Mat:- ASA-600 (01 in nos) (o) Manifold DCV (STBD side) Dia 01", Mat:- ASA-600 (01 in nos) (p)Actuation bleed vent valve (650 psi) Dia 20 mm Mat:brass IS-319 (04 in nos)

Overhaul/renewal of directional control valves: (a) Dia- 150 mm, Qty- 04 (b) Dia- 80 mm, Qty - 02

Renewal of Halon system check valves: (a) Staging (b) Removal of valves by yard (c) Overhaul/ renewal (d) Replacement of valves (e) Removal of staging

Overhaul,calibrate/renewal if required (a) safety releif valve Dia 15 mm, Qty:03 in nos (b) Bypass valve Dia 20 mm Qty - 03 (c) Pressure switch

Blow thro tank/cylinder and pipelines with compressed air.

Removal of connecting pipelines, shifting of extinguishing bottles (qty 04), reclaim extinguishant to seperate bottles, weighing of bottles before and after reclaimation, pressure testing of bottles, refilling of extinguishant including replenishment necessary to required pressure(150 Kg & 16 Kg by weight per bottle)

Overhauling of header assemblies of all Halon station

Replacement of all flexible hoses (Metallic wire braided hose) of all individual Halon bottles

Calibration of Halon and Nitrogen system pressure gauges

Renewal of system bottle securing brackets QTY 40 Nos

Chemical cleaning, pressure testing & painting of all system pipes & serviceability checks of nozzles Qty 18 Nos

Renewal of bottles foundation view rubber padding

Serviceability check of pyro operating connectors and renewal of connectors if found defective

calibration of pneumatic release locker assembly and replacement view found defective Qty 08 Nos

GT Fire Smothering system: Survey of and renew if defective along with end fittings pipe dia : 25 mm, Mat : SS, Length : 60 Mtrs

Transfer the extinguishing agent in to suitable containers using HRRF unit

Blow through tank/cylinder and pipelines with compressed air

Removal of connecting pipelines, shifting of extinguishing bottles (qty 04), reclaim extinguishant to seperate bottles, weighing of bottles before and after reclaimation, pressure testing of bottles, refilling of extinguishant including replenishment necessary to required pressure(150 Kg & 16 Kg by weight per bottle)

Survey the bottles in compliance with the list of vessels operating under pressure maintop no 49001 pressure test of air bottles

Calibrate pressure gauges (Qty 04 Nos)

Check/overhaul bypass valves Dia - 25 mm (Qty 04 Nos)

Inhibitor System : Carry out survey of system pipes and repair / renew as necessary

Pressure test cylinders as per maintop no 49042

Weigh the freon bottles and recharge if required as per maintop 49042

Serviceability of master device on freon bottle as per maintop 49042

Overhaul for IRO Extinguishant includes removal of connecting pipe lines, Shifting of extinguihant bottles (qty-14), reclaim extinguishant (freon 114B2) to seperate bottles, Weighing of bottles before and after reclaimation, pressure testing of bottles, refilling of extinguishant including replenishment as necessary to reqd pressure (350 bar) , serviceability checks of master device on freon bottles and interface with dozar post, serviceability checks on pressure pick up sensor (pressure setting - 0.8 bar (qty-06)

Control Panel : Calibration/Insulation checks/control checks of Halon system remote panel in MCR.

Serviceability checks of system instrumentation of halon systems including control panel fitted in MCR.

Serviceability checks of Halon system Hooter and Visual alarm.

Serviceability checks of system cables at FER,AER, and pump & filter space.

Serviceability checks of Pressure sensors of individual halon bottles and replacement of sensors view defective.

Serviceability checks and renewal of cables view defective.

Serviceability checks of control cards in Halon remote control panel, Replacement of control cards if found defective.

Replacement of control system lamps at various stations and remote control panel.

Calibration of bill PCB's and renewal if found defective Qty 20 Nos.

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