- (1) Each profile, swing-head and back-knife lathe must have all cutting heads covered by a solid metal guard.
- (2) If sheet metal is used, it must be not less than ten U.S. gauge in thickness. If cast metal is used, it must be not less than three-sixteenths inch thick, or if aluminum is used, it must not be less than five-eighths inch thick. The hood of the exhaust system may form part or all of the guard. When so used, the hood must be constructed of metal of a thickness not less than that specified above.
- (3) Pail and barrel lathes must be guarded in accordance with the specifications for profile and back-knife lathes insofar as they are applicable.
- (4) The requirements of WAC 296-806-450, Lathes, must be applicable to pail and barrel lathes.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-78-660, filed 8/1/17, effective 9/1/17; WSR 04-14-028, § 296-78-660, filed 6/29/04, effective 1/1/05. Statutory Authority: Chapter 49.17 RCW. WSR 96-17-056, § 296-78-660, filed 8/20/96, effective 10/15/96. Statutory Authority: RCW 49.17.040, 49.17.050 and 49.17.240. WSR 81-18-029 (Order 81-21), § 296-78-660, filed 8/27/81.]