San Francisco : Architect and Engineer, Inc · leaf 40
ainage systemwhich extends thru-out the bottom ofthe d o ^^ n s t r e a mhalf of the dam.These two precau-tions of porous ma-terials and a thor-ough drainage sys-tem were designedto keep the north ordownstream half ofthe dam practicallydry and proved ef-fective. The yieldof the foundation isa… … i 1;KI ,\K \li.-\R CREST, 64 AR.CH1TECT AND ENGINEER. October, 1928 and safe remedies for the trouble developed. The following statement, prepared forthis magazine by M. iM. OShaughnessy,city engineer of San Francisco and designerof the Hetch Hetchy dam, gives a clearversion of the condition at the…
Architecture · Building
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