San Francisco : Architect and Engineer, Inc · leaf 70
FIG II STRKKT WALLS SHORED WITH HEAVY TIMBERS ULY, 1926 105 … FIG. IV—BOOM AND BUCKET IN OPERATION lo«; THK ARCHITECT AND ENGINEER the mass of hiilkhcadin^r needed to shore the street walls. The extremedepth of this hiiildinK is .S.S feet helow the sidewalk and as the excava-tion K<>t deeper, the street walls were bulkheaded and shored with…
Architecture · Building
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