Follow these requirements when using board hammers.
(1) You must securely fasten a suitable enclosure to gravity-dropped board hammers to prevent damaged or detached boards from falling.
(2) You must properly secure all major assemblies and fittings that can loosen and fall.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060. WSR 15-24-102, § 296-806-43026, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296-806-43026, filed 6/29/04, effective 1/1/05.]