WAC 296-54-58120   Helicopter logging -- Yarding.  (1) Helicopters must not work in areas near enough to cutters to cause the rotor wash to affect a cutter's ability to safely control a tree or to cause dislodging of limbs.

     (2) The yarding helicopter must be equipped with a siren to warn employees of any hazardous situation.

     (3) Log pickup must be arranged so that the hookup crew will not work on slopes below fell and bucked timber that appears unstable and likely to roll.

     (4) If the load must be lightened by the hooker, the hooker must remain on the uphill side of the load and slack given to the entire load before releasing the hook.

     (5) If the load must be aborted or lightened by the pilot, the hooker must be in the clear before releasing the hook.

     (6) Employees must remain in the clear as chokers are being delivered. Under no circumstances can employees move under the chokers being delivered or take hold of the chokers before they are placed on the ground.



[Statutory Authority: RCW 49.17.010, [49.17].040 and[49.17].050 . 99-17-117, § 296-54-58120, filed 8/18/99, effective 12/1/99.]