WAC 296-54-551
WAC 296-54-551. Raising and lowering portable spars or towers
(1) A qualified, authorized person must direct each raising and lowering of a portable spar or tower.
(2) All employees not engaged in the raising or lowering of portable spars must stay in the clear during these operations.
(3) Portable spars must be leveled to provide proper line spooling and avoid excessive stress on component parts.