WAC 296-24-24505   Load ratings.  (1) Rated load marking. For permanently installed derricks with fixed lengths of boom, guy, and mast, a substantial, durable, and clearly legible rating chart shall be provided with each derrick and securely affixed where it is visible to personnel responsible for the safe operation of the equipment. The chart shall include the following data:

     (a) Manufacturer's approved load ratings at corresponding ranges of boom angle or operating radii.

     (b) Specific lengths of components on which the load ratings are based.

     (c) Required parts for hoist reeving. Size and construction of rope may be shown either on the rating chart or in the operating manual.

     (2) Nonpermanent installations. For nonpermanent installations, the employer shall provide sufficient information from which capacity charts can be prepared for the particular installation. The capacity charts shall be located at the derricks or the jobsite office.



[Order 73-5, § 296-24-24505, filed 5/9/73 and Order 73-4, § 296-24-24505, filed 5/7/73.]