2015NB 35074-2015 Code for design of occupational safety and health of hydropower projects
1997DL 5061-1996 Design code for labour safety and industrial sanitation of water conservancy and hydropower projects
DL 5061-1996 Design code for labour safety and industrial sanitation of water conservancy and hydropower projects was changed to NB 35074-2015 Code for design of occupational safety and health of hydropower projects.