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.