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Fireboat John J. Harvey largest yet built, launched Oct. 6, at Todd Yard, Brooklyn John J. Harvey, Largest and Fastest Fireboat Launched - JoHN J. Harvey for the New York fire department took place at the Tebo plant of the Todd Shipyards Corp., Brooklyn, Oct. 6. This boat, the largest and fastest of its type ever built, was christened by Miss Anne Dorman, daughter of the fire com- missioner. The all-steel fireboat JoHn J. Har- VEY was designed by Henry J. Gielow Inc. and is a twin-screw gasoline- electric vessel having an_ overall length of 130 feet and a beam of 28 feet. The propelling machinery con- sists of five Sterling Viking engines that develop 2740 horsepower and pro- duce a speed of 18 miles an hour and also supply the pumping power for the 8 nozzles to pour 16,000 gallons of water a minute. The boat is framed transversely and divided into five compartments with four water-tight bulkheads. The lower deck forward contains accommodations for the crew. Just forward of the machinery space on the port side and enclosed entirely with steel bulkheads, is the crew’s lavatory of ample space and equipped with a shower, wash basins, water closets. On the starboard side, also en- closed in steel bulkheads, is the air conditioning room which contains sup- ply and exhaust fans of 2000 cubic feet per minute capacity, the air wash- er and all the necessary ducts to ventilate the entire ship. The crew’s quarters and mess room run from the machinery bulkhead for- ward to the galley and from side to Side of the ship. These quarters are unusually roomy, containing two Single metal beds, for emergency use and for the watch, 16 metal lockers, T= launching of the _ fireboat six stools and tables, all of metal and an electric water cooler. Hight airports light this space, making it a very complete, comfortable recreation room. Metal stairs lead from these quarters up to a closed passage, afford- ing access to the main deck outside, to the officers’ room, also on the main deck, and to another set of metal stairs leading up to the pilot house on the deck above. Forward of the crew’s accommoda- tion on the lower deck is a _ well equipped galley outfitted as one would expect to find a modern home, com- pletely equipped with monel metal dresser and sink, a two-plate electric hot-plate, coffee urn and a large elec- tric refrigerator. Forward of the gal- ley is a large roomy storeroom. Beneath the main deck, forward of the aft peak bulkhead, is a compart- ment containing a gasoline tank of over 2000 gallons capacity. A fuel oil tank of 2000 gallons capacity is lo- cated in a double bottom tank at the forward end of the machinery space. The fore and aft peaks are used for trimming purposes, the fore peak tank extending from the keel to main deck and the aft peak tank from keel to lower deck flat. On the main deck house forward is a lounge for officers containing bed, bureau, desk and two arm-chairs, the furniture being made of light metal and absolutely fireproof; the room is entirely sheathed in light plymetal. Aft of the lounge room comes the of- ficers’ lavatory complete with shower, water closet, and wash basin. In the next compartment aft a com- bination exhaust, heat, oil-burning boiler has been installed and so ar- ranged as to act aS an exhaust muffler MARINE REVIEwW—November, 1931 for the exhaust from the five main gasoline engines and also be capable of supplying heat to all the quarters and the engine room and keeping a temperature of 70 degrees when the weather outside is zero, and in addi- ction, keeping the deck outside from freezing over. Farther aft is the foamite room, outfitted with metal shelving to store foamite powder sufficient to cope with a large fire; and also space for the storing of three portable foam gene- rators, complete with hose and noz- zles. These generators can be used at any position on board or can be trans- ported for more distant fire fighting. The engine trunk, in which is housed the carbon dioxide cylinders, complete this steel main deck house, which is fireproof throughout, all doors being made of steel and the interior of the quarters insulated with asbestos backed _plymetal. Above the officers’ lounge is the steel pilot house, with floor of com- position and top and sides of asbestos ‘backed plymetal. An electric steerer has been installed, equipped with clutch so that the steering engine can be instantly thrown in or out of ac- tion from the wheel house. A metal settee-bed has also been installed in this space. Windows of the sashless type, with mechanical raising and lowering device, will be of fire re- sisting glass. | The fire fighting equipment consists of three nozzles, two of 3000 gallons per minute capacity each, and one of 2000 gallons capacity mounted on the fire tower aft of the steel deck house; two of 2000 gallons capacity each atop the pilot house; one of 3000 gallons capacity on the main deck forward and one of 2000 gallons capacity on each dome platform, There are four hose reels, housing a total of 3250 feet of hose, one lo- cated on the main deck forward and three located on the main deck aft. In addition there are 12 outlet mani- folds on each side of the main deck house. : To reduce hazard and insure com- plete absence of free surface in the fuel tanks, an Aqua system has been installed. This system automatically supplies water to the tanks, as fast as the fuel supply is depleted, thus keeping the tanks always full, and preventing the formation of gases. A carbon dioxide fire-extinguishing system was installed, with remote con- trol, to protect the engine room and gasoline tank compartments. This re- mote control is located in break glass boxes, where a strong pull of the han- dle will release the entire contents of the battery it controls. Around all houses, inside and out- side of the bulkwark rail is a per- forated brass pipe; upon the release of a control the entire boat can be covered with a sheet of waier, afford- ing it ample protection when on duty in dangerous zones. 59