IS 4138 : 1977 SAFETY CODE FOR WORKING IN COMPRESSED AIR
UDC 624.157.5:614.872 | CED 29 |
Reaffirmed 2022
1. SCOPE
1.1 This standard lays down the safety requirements for work in com Dressed air undertaken in construction works, such as foundations of b;idges, docks and tunnels.
1.2 This standard does not cover working conditions of dress divers with helmet equipment.