San Francisco : Architect and Engineer, Inc · leaf 16
PLAN OF PILE FOUNDATIONS, P. G. & E. BUILDINGC. H. Snyder, Engineer therefore, necessary and was accomplished by a membrane of roofingfelt, heavily impregnated with an asphaltic compound, extending acrossthe basement floor and up the sides all around and made absolutelywater-tight. Upon this a… … DETAIL OF COLONNADE, P.BAKEWELL AND BROWN, G. & E. BUILDINGARCHITECTS 60 THE ARCHITECT AND ENGINEER
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