A powered industrial truck is "unattended" when the operator is 25 feet or more away from the vehicle, which remains in view, or whenever the operator leaves the vehicle and it is not in view.
Wash. Admin. Code § 296-307-52031
Statutory Authority: RCW 49.17.010, [49.17].040 and[49.17].050 . 00-01-176, § 296-307-52031, filed 12/21/99, effective 3/1/00. 97-09-013, recodified as § 296-307-52031, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. 96-22-048, § 296-306A-52031, filed 10/31/96, effective 12/1/96.