In Tonawanda, New York, where Kandey Company Inc. is completing the first phase of the $30-million Parke Fries Sewer Improvement project, it had to decide how to keep traffic moving. The contractor has been digging eight bore pits 12.5 ft wide x 46 ft long x 24-28 ft deep in stiff clay, plus a receiving pit. The initial shoring idea was sheetpiling.
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机译：在纽约托纳旺达，Kandey Company Inc.正在完成一项耗资3000万美元的Parke薯条下水道改善工程的第一阶段，它必须决定如何保持交通流量。承包商已经在硬土上挖了八个12.5英尺宽x 46英尺长x 24-28英尺深的钻孔坑，还有一个接收坑。最初的支持思想是堆砌。
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