Agmt12 MetalCraft Marine Inc. - Laserfiche WebLink

Browse Search

3.12.3 12-volt electric, priming system, Hale oil-less or The Redwood City Fire Department approved equal, shall be installed for the pump, unless the pump is installed such that the impeller is flooded when the suction valve is open. 3.12.4 A valve requiring at least three seconds too fully open shall be installed at each pumps discharge. 3.12.5 The pump inlet shall be provided with a metal seacock at a dedicated fire pump sea chest(s) fitted with a strainer on a leash. The seacock shall be manually operated 3.12.6 A minimum one-inch circulation valve, located to be readily accessible, and associated piping shall be provided from the discharge manifold to the fire pump(s) sea chest. 3.12.7 A relief valve and a thermal protection valve shall be installed in the discharge manifold. The relief valve shall dump to the pump(s) intake and provide for full capacity of the pump. 3.12.8 Each fire pump intake shall be fitted with a pressure gauge on the discharge side of each pump. Located at the fire control station. 3.12.9 Piping size and arrangement shall allow maximum access to the machinery, with minimum friction loss and turbulence in the system. Penetration of watertight deck and bulkhead structure shall be maintained watertight. 3.12.10 All piping shall be arranged to drain to the sea chest. 3.12.11 All fire pumps will be fitted with a valve to allow back flushing with fresh water. 3.12.12 The fire main shall supply: 3.12.12 A Two (2)Elkhart Copperhead shall be installed in the piping in a location readily accessible to the operator of the monitor on the aft deck. The height of the monitor shall allow the monitor to place a stream on the water within a 30-foot radius circle centered on the standpipe. 3.12.12 B Two (2) 2000 GPM Elkhart 8394 monitors, one (1) remotely operated master stream to be provided by and installed by the contractor on the cabin roof and one (1)manual monitor for the bow. Piping for the monitor, sized to flow 2000 gpm shall be provided. An electronic valve requiring at least three seconds opening shall be installed in a location readily accessible to the crew. 3.12.12 C A riser, minimum 5-inch diameter shall be provided on the starboard side in a location approved by the Redwood City Fire Department. The riser shall be fitted with one (1) 5-inch Storz coupling and cap with a slow-opening valve. The valve shall be operated from the fire control panel or manually from the deck. 3.1212 D A riser, minimum 3-inch diameter, shall be provided port and starboard in locations approved by The Redwood City Fire Department. Each riser shall be fitted with a ball valve. Two (2) monitors (Copperhead) with stream shapers with solid bore stacked tips (sized-2, 1.75, 1.5, 1.25 inch).Storage/hose cabinets will be located next to the risers. 3.12.12 E A foam porportioner or educator with variable percentage shall be provided for each pump with a hose long enough to reach the deck and foam container, five (5) to fifty- five (55) gallons. 3.13 Paintin� and Label Plates: 3.13.1 The exterior topsides of the hull and cabin/pilothouse shall be unpainted finished aluminum. The contractor shall install The Redwood City Fire Seal on the cabin/pilothouse sides. 3.13.2 The satin finish is that utilized on United States Coast Guard 47-foot motor lifeboats, (Glass Bead Blast) and is a finish with a surface profile not exceeding 1.0 mil, as measured by Testex Press-O-Film Replica Tape (Course 0.8-2 mils), and spherically shaped indentations with a diameter less than 02 mm as measured by a optical comparator such as a Fowler 7X comparator(Gardner catalog no. MA-52-665-001) with a#7 reticle (Gardner catalog no. MA-52-667-007). 14