T.A. Gillespie Company, engineers and contractors - water works and pipe lines, railroad and tunnel construction, hydroelectric plants. (1912) (14574303448)

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



Text Appearing Before Image:
ENGINEERS AND CONTRACTORS
Text Appearing After Image:
THE T. A. GILLESPIE COMPANY CONTRACT NO. 68BOARD OF WATER SUPPLY, CITY OF NEW YORK This contract was awarded in February, 1910, and will be finished during the Summer of 1912. The contract comprises the construction of seven steel pipe siphons, 9 9 and 1 1 3 inside diameter, andfrom to in thickness, aggregating about 13,700 feet in length, together with several stretches of con- crete conduit. The siphons lie between Yonkers, N. Y., on the South, and Yorktown Heights, N. Y., on the North,the largest one being what is known as Bryn Mawr Siphon, in the City of Yonkers, and which is 5,600 feet long. The pipe was shipped made up in 1 5-foot lengths and after being laid and riveted in the trench is linedwith cement mortar and enveloped with concrete, then covered with an embankment of earth or earth and rock. The principal construction quantities were as follows: Removal of soil, earth and rock excavation 145,000 cubic yards Refilling and Embanking 145,000 cubic yards 9 9 x Vie* thick Stee