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These completed sections of the penstock liners are awaiting transportation to the dam. The 18-foot diameter tubes, each 292 feet long, were made up of 15 sections of cylinders up to 23 feet long, and weighing up to 39 tons. The 18 liners had a total weight of 14,206,000 pounds. The three 72-inch diameter station service penstocks, each 322 feet long, weighed 430,334 pounds. The twelve 14-foot pumping plant inlets were each 60 feet long, and totaled 1,012,000 pounds. For all this work,...
Western Pipe and Steel Co. held the contract for fabricating and installing the eighteen 18 foot turbine penstocks, and the twelve 14 foot intake tubes for the pumping plant at $1,461,894...The first station service penstock was installed on May 22, 1939, and the entire installation for the station service units was completed by June 24th, 1939. Installation of the inlet pipes for the pumping plant was completed on March 12, 1940. (Koester Vol. III 254)"
Part of Western Waters Digital Library: http://harvester.lib.utah.edu/wwdl/; Photographer Unknown
Clifford R. Koester
Water turbines--Washington (State)--Grand Coulee Dam; Penstocks--Washington (State)--Grand Coulee Dam; Grand Coulee Dam (Wash.)--Inspections
Penstocks--Washington (State)--Grand Coulee Dam
United States--Washington (State)--Grant County--Grand Coulee Dam site, Grand Coulee Dam (Wash.)
Manuscripts, Archives, and Special Collections, Washington State University Libraries: http://www.wsulibs.wsu.edu/holland/masc/masc.htm
A History of the Columbia Basin Project (Vol. 3, Page 255)-Cage 709: Clifford R. Koester Papers, 1927-1972: http://www.wsulibs.wsu.edu/holland/masc/finders/cg709.htm
To order a reproduction please see: http://www.wsulibs.wsu.edu/holland/masc/policies.htm , or contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691.
For permission to publish please contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691.
Original photographic prints were scanned at 24 bit 3000 pixels by the long side for master TIFF files on an Plustek OpticBook 3600 Plus. Also, 24 bit 150 PPI JPEGs were created with the OpticBook 3600 Plus and added to the CONTENTdm database at the WSU Libraries