Arrange personnel on manual excavation line rather than taking mechanical excavation.

在人工开挖路线上，安排人员进行开挖，不得机械开挖。

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Therefore, the survey key of excavation line is to control horizontal and vertical deviations of tunnel axis.

因此，TB M掘进线路测量关键是控制轴线不发生横、竖向偏移。

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ANSYS software has been applied successfully in construction of deep foundation pit excavation in Shanghai South Station reconstruction project of Shanghai Metro Line No 1.

ANSYS软件已成功应用于上海地铁1号线上海南站车站改建工程地下结构的深基坑开挖施工工程中。

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The first works involve digging the new line through the Monktonhall area and the excavation of the site for the new Shawfair station.

BBC: Tweedbank bridge