T.A. Gillespie Company, engineers and contractors - water works and pipe lines, railroad and tunnel construction, hydroelectric plants. (1912) (14757748481)

Identifier: tagillespiecompa00tagi (find matches)
Title: T.A. Gillespie Company, engineers and contractors : water works and pipe lines, railroad and tunnel construction, hydroelectric plants.
Year: 1912 (1910s)
Authors: T.A. Gillespie Company.
Subjects: Pipe Pipe, Steel
Publisher: New York : T.A. Gillespie Co.
Contributing Library: Columbia University Libraries
Digitizing Sponsor: The Durst Organization



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onth. Contract called for the construction of a straight Cyclopean masonry overflow dam, and 4 1 miles ofpower canal. The dam was 40 feet high and 65 feet wide at the base, and contained 163,000 cubic yards of graniteCyclopean masonry. It was designed for 15 feet flood and crest, was Ashler faced throughout, 2,900 feetlong including spillway, abutments and head gate structure; the spillway proper being 1,500 feet long. The 4 1 miles of canal, which was 14 feet deep below flow line, and 40 feet wide at the bottom, calledfor the excavation of 2 1 j million yards of earth and rock, and delivered at the power house a minimum flowof 1,425 cubic feet per second, at a total head of 129 feet. Twelve and one-half miles of standard gauge railroad was built in connection with this project. The stone was quarried at a point about 25 miles from the dam site, and delivered on flat cars, as muchas 60 cars of building material having been unloaded at the site of the dam in one day of ten 10 hours. 21
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ENGINEERS AND CONTR ACTORS