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北风承欢南风未恋
上传于：2024-04-17
Method Statement for Pipe Jacking
Construction of Pits
The jacking pit with a dimension of 6mx5 clear opening with depth of 250mm below invert level of the steel pipe.
The floor will be leveled by 100mm thick concrete blinding fixing tow I beams(1.5mx15cm) in the center of the pit for fixing jacking frame.
Installation of Jacking Frame
After the construction of drive, the jacking rig will be lowered into the pit and adjust to the control line and level. The rig will be used on t