Chicago : Engineering and Contracting Pub. Co. · leaf 238
the (ixli in. wood sheet piling was driven bothoutside and inside. Another modification of August 30, 1911. ENGINEERING & CONTRACTING 223 the original plan was the driving of an aux-iliary row of smaller wood sheet piling, about3 ft. from the water face of the main coffer-dam, the space between… … 4 men on concrete In forms, tamping andspading. Also engineei and fireman, foreman and su-perintendents. The forms were made of 2x6 in. scantlings,used single or double as necessary, the sheet-ing was 1%-in. planed or dressed lumber. Theforms were of irregular lengths, from 10 to 13ft. long. The…
Buildings
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