You must provide steam or air pressure piping on power-driven hammers that meets or exceeds the requirements in:
Wash. Admin. Code § 296-806-43024
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 04-14-028, § 296-806-43024, filed 6/29/04, effective 1/1/05.