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SSG lds read How New Atlantic Yard Met Demand for Speed by Sinweli acca J Ship and Plant Construction--Layout Embodies New Arrangement vessel of the Isherwood or longi- tudinal frame type, was launched by the Federal Shipbuilding Co., Kearny, N, J., June 19. Her keel was laid Nov. 15, 1917, and she was built in a yard whose construction was begun only last August. The plant of the Federal Ship- building Co. comprises 10 ways, is now about 85 per cent completed, and the 'keel for the eleventh vessel recently was laid. Unlike most of the yards which have been rushed to completion since our entry into the war in April, 1917, the Federal shipyard represents a com- promise between the self-contained and the assembling types of shipbuilding plants. That is, part of the steel for shipbuilding is fabricated elsewhere and part at the yard. Approximately 60 per cent of the hull steel, comprising that for the amidships section, is fabri- cated by the American Bridge Co. The remaining 40 per cent, which comprises the steel for the bow and stern, is done at the yard. Thus, the Federal company itself fabricates all of the difficult curved work and calls upon the bridge company only for straight work to which the multiple punch is applicable. By this arrangement, it is unnecessary for the : IBERTY, the first fabricated steel bridge company to install extensive equipment and acquire skill along special fines which may prove valueless after the war. The shipyard's facilities include a 175 x 925-foot plate and angle shop pro- vided with a furnace department, a 125 x 500-foot machine and pipe fitting shop, a 160x500-foot boiler shop, a forge shop, foundry, rigging loft, paint shop, mold loft, carpenter and joiner shop, and a pneumatic tool room. These departments are located in structures of an unusually substantial character. While some of these buildings have not been placed in operation, work in equipping them is progressing so rapidly that no delays are expected in fitting the vessels out in accordance with the schedule. -< | Le eo FIG. 5--SWINGING "HICH COMMAN ARM TYPE DERRICK WHICH C 100 TONS, AND IS SAID TO BE THE L Sete 329 By E. C. Kreutzberg The transportation of materials through- out the plant is accomplished by a com- plete railroad comprising about 12 miles of track, = . Several ideas which are novel in ship- building methods have been embodied in the layout and operation of the Federal plant. One of«them is the location of the mold loft immediately above the plate and angle shop. This arrangement makes it possible to operate the latter along the same lines as a modern bridge shop. The proximity of the mold loft: and plate and angle shop promotes the production of all hull pieces to exact templates and eliminates all work of a "building-up" character. Thus the Fed- eral company is able to avoid the prac- tice, prevalent at most self-contained shipbuilding plants, of letting contracts to its workmen for laying out and building shell plating, floors and other parts. The plate and angle shop is provided with bending slabs, punches, shears, bending rolls, presses, cranes, furnaces, and other equipment for bend- ing and fabricating ship steel, A unit which now is being installed is a 700-ton hydraulic press for bending door frames and keel sections. The boiler shop which is rapidly near- ing completion, is to have capacity for NY 4 . i 4 . Sy % A < Ps ES | > w DS FITTING-OUT DOCK. THIS CRANE HAS CAPACITY FOR ARGEST OF ITS TYPE