You must: Provide steam or air pressure piping on power-driven hammers that meets or exceeds the requirements in:
ANSI B
31.1.0-1967, Power Piping, with addenda ANSI B
31.1.06-1971, for hammers constructed before January 1, 2005.
ANSI B
31.1.0-2001, Power Piping, with addenda ANSI B
31.1.0A-2001, for hammers constructed on or after January 1, 2005.
[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.]