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. 2024 Feb 1;14:2653. doi: 10.1038/s41598-024-52643-x

Table 6.

Risk indicators and level classification table based on video surveillance data (H).

Indicators Risk level
Level I Level II Level III Level IV
Large scenario risk (H1) Worker’s safety equipment wear (H11) Qualified Basic pass Unqualified Completely unqualified
Worker’s irregularities and violations (H12)
Lighting in the work area (H13)
Hygiene in the work area (H14)
Loading and unloading of transport machinery (H15)
Medium scenario risk (H2) Raw material storage (H21)
Hazardous materials storage (H22)
Construction waste deposition (H23)
Protective facilities in hazardous areas (H24)
Warning signs set in hazardous areas (H25)
Small scenario risk (H3) Construction process specification (H31)
Large machinery and equipment parking, operating norms (H32)