(a) Rated Load. The rated load of the lifting device shall be legibly marked on its main structure or on a tag attached to its main structure where it is visible. If the lifting device is made up of several lifters, each detachable from the group, these lifters shall also be marked with their individual rated loads.
(b) Identification. Structural and mechanical lifting devices shall be marked with, but not limited to, the following information:
manufacturer’s name and contact information
serial number (unique unit identifier)
lifter weight, if over 100 lb. (45 kg)
cold current (amps) (when applicable)
rated voltage (when applicable)
rated load [as described in (a)]
ASME BTH-1 Design Category
ASME BTH-1 Service Class
– Per the ASME B30.9 standard
B30.9-1.5 Rated Load
The sling manufacturer shall establish the sling’s rated load.
At a minimum, the rated load shall be based on the following factors:
Component strength
Number of legs
Design factor
Type of hitch
Angle of loading
The rated load of a quadruple-leg or double-basket shall not exceed the rated load of a triple-leg sling.
-Per the ASME B30.2 standard
B30.2-1.1.6 Directional markings
Directional markings (e.g., north, south, east, west or forward, reverse, left, and right shall be provided on the equipment or facility. These markings shall be legible to the operator and consistent with the direction of movement markings on the controllers.