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October, 1917 proved antifouling paint, which coats will be applied while the vessel is in dock previous to delivery. The deck work and inside of bulwarks will be given two coats of an approved color. All hardwood will .be finished in natural color, and all other woodwork in quarters will be given two coats of an approved color. All exposed steelwork in living quarters will be cork painted. All steelwork in way of refrigerating rooms will be painted with approved bituminous paint. The tank top in engine room, engine foundations, pump wells, bulkheads in cargo spaces to 18 inches above tank top, ship’s side, at bilge to 9 inches above margin brackets, and the entire internal surface of chain locker will have one coat each of approved bitumi- nous solution and enamel. The tank top in cargo spaces will be coated with native tar and cement before ceiling is laid. The inside of the double-bottom compartments not used for fuel oil will be given two coats of cement wash. The vessel’s name will be painted on boats, buckets and life buoys. The name will be painted on both sides of the bow, and the steel blocks as used on cargo vessels will be furnished for wire rope. All necessary sheer poles, pad eyes, cleats, etc., will be fitted as customary in this type of vessel. There will be no provision made for sails. 62. Awnings Awnings of No. 3 canvas will be fitted as follows: One over flying bridge. One at side of house on upper bridge deck. One over forecastle deck. One over poop deck. 63. Miscellaneous Canvas Work The following will be supplied: Two sets tarpaulins for each cargo hatch exposed to weather (one set waterproof). One set tarpaulins for. hatch under bridge. Double mast coats for each mast. One set bridge cloths. Two binnacle covers. One cover for galley skylight. One cover for mess-room skylight. Two wheel covers. S) pute en ea % as x ¥ das Pees) ees = - = Bhim [ \ Gn pee aie = | a 7 Hi th LOTT este rrr pera ere eee chet eT 157 153.159 W.T.” Bh THE MARINE REVIEW | 353 Propelling Machinery (Propelling machinery will be built in accordance with American Bureau of Shipping rules and United States inspection laws.) The machinery will consist of two single-ended return-tube Scotch boil- ers, or water tube boilers of approved type and size, and one vertical in- verted three-cylinder triple-expansion engine, with cylinders 241%4 by 41% inches and 72 inches diameter by 48- inch stroke, or a geared turbine of equivalent power. The auxiliary ma- chinery will consist of one main sur- face condenser independent of the en- gine framing, one centrifugal circulat- ing pump with independent single- cylinder engine, one direct connected air pump, two direct connected bilge pumps, two direct connected feed pumps, one direct connected evapor- ator feed pump, one independent fire and donkey pump, one ballast pump, one donkey feed pump, one auxiliary condenser, one feed-water heater, in- jectors, and other machinery as de- scribed in the following specifications. PROFILE OF GOVERNMENT’S STANDARD STEEL STEAMER name and port of registry on the stern, all letters being outlined by a chisel. Draft marks on the stem and sternpost will be outlined by a chisel and painted. 61. Rigging The foremast will have a headstay and three shrouds on each side. The mainmast will have two shrouds on each side. A headstay and backstays ‘will be fitted for each topmast. A signal stay will be fitted between the foremast and stack. Preventer stays will be fitted on each side of fore- mast in connection with the 30-ton boom. All standing rigging will be galvanized steel wire rope and will be set up by turnbuckles. The stays will be served at ends only, but the shrouds will be served all over. The shrouds will not be fitted with ratlines. For all the cargo booms durable wire rope will be fitted for topping lifts. The vangs for all booms will have galvanized steel wire pendants and manila falls with wood blocks. The hoisting rope for all booms will be durable wire rope. Short lengths of wrought-iron chain will be fitted between cargo hooks and _ hoisting rope. A standard make of galvanized Covers for boats. Covers for cargo-hold ventilator trunks. 64. Miscellaneous Floor Coverings, Etc. The galley floor will be of brick set in cement. The floors of all bath- rooms will be ceramic tiling set in cement. Plain linoleum 3/16-inch thick will be laid on the deck in all mess rooms, staterooms, chart room, wheel- house, wireless room and_ hospital, pantry, passages in house, and in seamen’s and firemen’s quarters. In such of the above spaces as have a steel deck the latter will be covered with cement 1 inch thick under the linoleum. The deck in petty officer’s and crew’s toilets will be cemented. The floor in the ice house will be covered with 5-pound sheet lead, which will be flashed up on the sides 12 inches and the whole covered by ash gratings. The sills of all out- side joiner doors will be covered with sheet brass. Dresser tops in galley and pantry will be covered with sheet lead. Oak wearing strips will be fitted on wood decks at all outside doors and ladders. Ash gratings will be provided for the wheelhouse floor. forward deck The operating platform will be lo- cated on the starboard side, and the reversing gear, throttle gear, cylinder drains, etc., will be located at this point. The engine telegraphs, speak- ing tubes, gauges, and counters will be located near the operating plat- form. The arrangement of the cylinders, beginning forward, will be high pres- sure, intermediate pressure, and low pressure, with the valves in each case located forward of the cylinder. The cylinders will be accurately bolted together and provided with flanges for bolting to the housings. The boilers will be arranged in one fireroom with furnaces fore and _ aft. The Scotch boilers will be of ‘the single-ended type, with four furnaces in each boiler, and designed for a working steam pressure of 190 pounds per square inch and arranged for burning oil on an approved mechanical atomizing system. Water tube boilers will be designed for a working steam pressure of 200 pounds. These specifications are intended to cover substantial machinery with no unnecessary finish in any part. All wearing, running, or working parts