50652.rar [2026]

The reference refers to the Code for Risk Management of Underground Works in Urban Rail Transit , a national technical standard used in China for managing safety risks during the construction of subways and underground tunnels. 🚇 Purpose of GB50652-2011

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: Establishing protocols for how different risk levels should be handled (e.g., immediate work stoppage vs. routine monitoring). The reference refers to the Code for Risk

50652.rar