File:Architect and engineer (1930) (14753792236).jpg

Identifier: architectenginee1030sanf (find matches)
Title: Architect and engineer
Year: 1905 (1900s)
Authors:
Subjects: Architecture Architecture Architecture Building
Publisher: San Francisco : Architect and Engineer, Inc
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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drinking water circulation isalso divided into two systems; that above thetenth floor being fed directly from the cool-ing tank with a forced circulation throughit by a motor driven pump located on thetwenty-ninth floor. Circulation is main-tained in the lower system from the tenthfloor downward by a motor driven pumpplaced on the thirteenth floor. On this flooris also located a balancing tank which re-ceives water from the main cooling tankthrough a float valve. The building is fitted with vacuumcleaner risers throughout, which make itpossible to reach any part of the buildingfrom the risers with hose not over fifty feetin length. In the basement are located twoturbine type vacuum cleaners each capableof operating ten sweepers simultaneously.These machines are connected into the samereceiving tank and dust separator with auto-matic check valve in the suction to eachmachine. Thus one machine may be usedseparately or both may be used at the sametime. The air from these machines is de-
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DETAIL OF SPANDREL, SIIIJ.L lil II.UlNoGeo. W. Kelham, .Archjiect livered into the main building smoke stack. Each of the garage floors is fitted witha complete Underwriters sprinkler system,receiving its water supply directly from thewater mains in the street. The flushing system for the urinals in thebuilding is controlled from the boilei roomby an electric clock which may be set togive any desired frequency of flushing. AJohnson sylphon valve is installed in thewater supply line to each group of urinalsand the flush is controlled by the admissionor release of air pressure to the sylphonvalve under the control of the clock abovementioned. The electrical distribution system, in-stalled by Charles A. Langlais, is distinctlydifferent from that ordinarily used in build-ing work. A bank of three transformers islocated in a transformer room on thetwenty-ninth floor and a similar bank oftransformers is located in a vault just out-side the building under Battery Street. Thesecondaries of th

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