T.A. Gillespie Company, engineers and contractors - water works and pipe lines, railroad and tunnel construction, hydroelectric plants. (1912) (14574452467)

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:
THE T. A. GILLESPIE COMPANY
Text Appearing After Image:
ENGINEERS AND CONTRACTORS FILTRATION PLANT FOR THE CITY OF PITTSBURGH, PA. The contract for this work was awarded in 1905, and the work completed in 1908. The Filters are of the usual concrete construction, with a groined arch roof, supported on concrete piers,and between the filters are galleries with similar groined arch roofs. The Filters, 46 in number, with a net area of one acre each, are arranged in batteries of six on eitherside of the Pipe Galleries. The Filtered Water Reservoir has a floor area of about six acres and a capacity of 50 million gallonswhen filled to its normal depth of 25 feet. It is of similar construction to the Filters, but has 775 piers,each 27 inches in diameter, 21 .» feet high and spaced 18 feet center to center supporting the roof. The Sedimentation Basins cover 27 acres of land and have a capacity of 120 million gallons. The capacity of the completed Plant is 105 million gallons per 24 hours. The construction quantities were as follows: Excavation 775,