All personnel involved in excavations are to be made aware of the permit requirements and the "Safe Working Practices" for excavations prior to the work commencing.
承包商管理人员负责所有的在开挖区内或旁边的作业，并必须在所有开挖作业进行时在场。 管理人员职责包括开挖许可的准备。
All personnel involved in excavations are to be made aware of the permit requirements and the "Safe Working Practices" for excavations prior to the work commencing.
承包商管理人员负责所有的在开挖区内或旁边的作业，并必须在所有开挖作业进行时在场。 管理人员职责包括开挖许可的准备。
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