San Francisco : Architect and Engineer, Inc · leaf 308
sages forrepairs to the cylinder gates. Forty 72-inchneedle valves weighing 4.070,000 poundswill be installed, 32 of which are to be inthe 4 canyon-wall buildings. Fourteentraveling cranes will be furnished by the sumes no risk from fluctuations of prices.The four tunnels which will carry the… … PLAN OF BOULDER CITY, NEVADA Plans by U. S. Department of Interior. Bureau of Reclamation Government for use in installing and main-taining gates, hoists, and valves. The 4cranes in the intake towers will be 15-toncapacity; 36-foot span; in the canyon-walloutlets there will be 4 cranes of…
Architecture · Building
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