San Francisco : Architect and Engineer, Inc · leaf 497
fk;. 3—interior bracino and strutting MetfioiJ of METHOD OF SINKING CAISSON,SUISUN BAY BRIDGE tiers which varied in height from 5 feet atthe botton to 12 feet at the top. In order to facilitate forcing of walesdown to position, a slight clearance was leftbetween the outside faces of wales and…
Architecture · Building
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