This document stipulates the protection requirements for personnel safety factors during the on-site construction of highway subgrade projects. This document is applicable to personnel safety protection at the construction site of ordinary national and provincial trunk highway roadbed projects in Hengshui City, and rural roads can be implemented as a reference.
DB1311/T 007-2021 history
2021DB1311/T 007-2021 Safety protection requirements for personnel at construction sites of highway subgrade projects