Engineering and Contracting . 310 00 0 lis ^rtmmrtaa/ Figure J. Figure III Figs. 1-3. Tremie Plant for Concreting Boat House Piers. of the bottom elevation, making it impossible to determinethe exact size of blocks, and because of the difficulty ofplacing and aligning accurately after casting; the secondwas given up because of the cost, and the lackof such apparatus as pumps, a pile driver that wouldhandle sheeting, etc.; while the third-pouring in place bytremie—was decided upon as being the only feasible meth-od, considering the nature of the work, the location, thecost, and avail
Engineering and Contracting . 310 00 0 lis ^rtmmrtaa/ Figure J. Figure III Figs. 1-3. Tremie Plant for Concreting Boat House Piers. of the bottom elevation, making it impossible to determinethe exact size of blocks, and because of the difficulty ofplacing and aligning accurately after casting; the secondwas given up because of the cost, and the lackof such apparatus as pumps, a pile driver that wouldhandle sheeting, etc.; while the third-pouring in place bytremie—was decided upon as being the only feasible meth-od, considering the nature of the work, the location, thecost, and available plant. The excavation was made with a ^2-yd. bucket mountedon a small power derrick. The material excavated wassoft silt and gravel. As the for each pierwas completed, the form, having been previously built,was jjlaced. All forms were carefully made of and grooved yellow pine with 4x4-in. rough cor-ner braces. The lower ends of the corner pieces extendedabout 6 in. below the form proper. After placing, dredgedmaterial was bac
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
