Specifies requirements for medical supervision of personnel, operating procedures, equipment and general precautions for work in tunnels,shafts and caissons where compressed air is the breathing medium and the maximum presssure of the work area is 4 bar (400 kPa) gauge. Appendices include medical standards and examination forms, information for medical practitioners, instructions for persons working in compressed air and information on decompression illness.
AS 4774.1:2003 history
1970AS 4774.1:2003 Work in compressed air and hyperbaric facilities - Work in tunnels, shafts and caissons