PDFWAC 296-806-43024

Follow these requirements for pressure pipes.

You must provide steam or air pressure piping on power-driven hammers that meets or exceeds the requirements in:
(1) ANSI B31.1.0-1967, Power Piping, with addenda ANSI B31.1.06-1971, for hammers constructed before January 1, 2005.
(2) ANSI B31.1.0-2001, Power Piping, with addenda ANSI B31.1.0A-2001, for hammers constructed on or after January 1, 2005.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-43024, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296-806-43024, filed 6/29/04, effective 1/1/05.]