REPAIR AND MAINTENANCE OF FIRE MAIN PIPELINE SYSTEM WITH ASSOCIATED FITTINGS FIRE HYDRANTS VALVES AND SS FASTENERS AND OTHER COMPONENTS AT DRYDOCKS NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Material & labour for PCC (1:2:4), type B1 (using 20 mm graded stone aggregate) as in pillar to support the pipe lines including necessary form work and finishing the exposed surfaces of concrete fair and even all as specified and directed

Day to day maintenance of Fire-main system of length of 2610 RM include associated fitting & accessories for the dia of 300mm - 1100 RMtr, 200mm - 320 Rmtrs, 150mm - 520 Rmtrs, 100mm - 550 Rmtrs, 80mm - 120 Rmtrs; Groud Monitoring Valves - 04 Nos, Hydrant Valves - 57 Nos, 300mm Valves - 15 Nos, 250mm Valves - 06 Nos, 200mm Valve - 06 Nos, 150mm Valves - 16 Nos, 100mm Valves - 44 Nos, 80mm Valves - 07 Nos as follows including following: a) Ensure that there is no leak through valve glands & pipe joints in the system, and ensure all hydrants are in working condition includes presssure gauges. b) Check and make all fire-hydrant valves for smooth operation in the system c) Check and apply greasing for all hydrant & branch valves

d) Ensure proper supporting for enire dock down point and branch lines and main line if not plac the supports by strctural / civil works e) Replace the rubber dsic seal for hydrant valve if leak heavy. f) Inspect and operate the ground monitoring system with foaming ensure working properly with associated valves are works free to operate g) Maintenace of firemain manifold with associated valves and make sure no leakge while operates h) Inspect the complete internal Main line and related valves are working make open and close fully free operation of valves i) Clamping & Supports to be verifired and to be repaired if any found damage j) Inspect, Identy and change any dia/ length wornout pipeline as suggested and directed by Engineer In-charge k) Overhauling the firemain manifold with associated valves l) Overhauling the Hydrant valve

M & L for painting, clean, chip & paint all the pipes & valves with one coat of anti corrosion primer & two coats of Signal Red paint complete all as specified and as directed.

S & F Ground monitoring manual system with foaming and associated valves of materia Cupro nickle for firefighting range upto 30Mtrs complete all as specified and as directed.

S & F Ductile iron double flanged 90 degree/ 45 degree bends of size 100mm size as per IS9523 complete all as specified and as directed.

S & F Ductile iron double flanged 90 degree/ 45 degree bends of size 150mm size as per IS9523 complete all as specified and as directed.

S & F Gun metal fire hydrant size 80mm (landing valve double point y type ) as per IS 5390 with brass male adaptor.complete all as specified and as directed.

S & F Gun metal fire hydrant size 80mm (landing valve single point ,oblique type) as per IS 5390 with brass male adaptor.complete all as specified and as directed.

S & F Ductile iron T- joint all flanges of 100x100x80mm size as per is:9523 complete all as specified and as directed.