Chicago : Engineering and Contracting Pub. Co. · leaf 262
g by a steel cablefrom a 60-ft. steel boom, and was operatedby a double-drum hoisting engine. The plantwas installed on a large scow equipped withtwo 24x24-in. steel spuds, 86 ft. long, placedaft for anchoring. This dredge removed anaverage of 600 cu. yds. of clay per day of10 hours; the maximum… … Fig. 3—Reinforced Concrete Anchors .orSteel Tube Sections. designed boom. This was tried, but withoutsuccess. An ordinary dipper dredge was pro-vided with an 80-ft. steel boom and especiallylarge engines. About two-thirds of the firstthree sections of trench were excavated withthis dredge, but to a…
Buildings
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