File:Factory and industrial management (1891) (14800997083).jpg

Identifier: factoryindustria35newy (find matches)
Title: Factory and industrial management
Year: 1891 (1890s)
Authors:
Subjects: Engineering Factory management Industrial efficiency
Publisher: New York (etc.) McGraw-Hill (etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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EWAY AT CONEY ISLAND, N. Y.About 800 ft. span; shears 103 ft. high; ^\ater 15 ft. deep. A novel use for the cable was recently developed by the Wil-liams Bros. & Morse Company of Cleveland in making a 175,000cubic-yard fill for the Lake Erie and Pittsburgh Railway. The fillwas 400 feet long and 95 feet deep. A light wooden tower was builtin the middle, making the cable spans of 200 feet each. Two cablesof 2^-inch diameter were used and were spaced 7 feet apart hori-zontally. On top of the cables, 8-foot logs were laid and fastenedwith U bolts. These carried a pair of stringers which, in turn, sup-ported the ties on which the rails were laid. The train of cars wasbacked out to this suspension bridge and the first car dumped as soonas it reached the edge of the fill and it was then pushed out on thecableway to permit the next car to be dumped and so on. Light wooden bents were placed on the bank near the top of theslope to stiffen up the cable under the loaded cars. The following is
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48 HOtSTiNG AND I-tANDLiNG MACHINERY. 49 the actual cost given by Mr. J. D. Mooney in a recent number ofEngineering Contracting and is interesting: 1,000 feet 2%. inch Roebling galvanized bridge cable $600.00 Eye bolts, 2^ inches 108.30 2 turn buckles, 3 inches 120.00 2 chains 10 feet long, 2)/2 inch , 62.40 4 cast washers 9 inches diameter 2.46 Timber for A frame (all other timber was obtained on the ground) 3,200 ft. B. M. at $34 108.80 Lower 50 feet round timber, 56 feet long bought on tree. 32.00 Team work 65.00 Carpenter work 231.40 Superintendent 60.00 Common labor 112.00 • Nails, etc 29.40 $1,53176 This is less than one cent per cubic yard of the material handledand less than one-half of the cost of a wooden trestle in the sameplace. This method has also been recently successfully used over aswamp where it was found impossible to maintain a timber trestle. The logging industry by itself presents an extensive field for thecable and many new details have been worked out for thi

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