WAC 296-79-160
Requirements for cranes and hoists -- See
general safety and health standards (chapter 296-24 WAC, Part
D). Grounding - Where conditions such as corrosive
atmospheres, dirt, paint, rust, or other insulating materials
prevent reliable metal-to-metal contact for grounding (bridge,
wheel and its respective tracks), a separate ground conductor
must be provided.
[Statutory Authority: RCW 49.17.010, [49.17].040 and[49.17].050
. 99-16-083, § 296-79-160, filed 8/3/99, effective
11/3/99; Order 74-24, § 296-79-160, filed 5/6/74; Order 70-6,
§ 296-79-160, filed 7/10/70, effective 8/10/70.]