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5. CRANE TERMINOLOGY
5.1 TERMS AND DEFINITIONS
[1] RATED TOTAL LOAD
The maximum load that can be applied according to the
boom length and angle. The load includes the mass
(weight) of hoisting accessories (hooks) and slinging
ropes.
[2] RATED LOAD
A load derived by subtracting the mass (weight) of hoisting
accessories (hooks) and slinging ropes from the rated total
load, and can be hoisted.
[3] WORKING RADIUS
A horizontal distance between the axis of slewing and the
hook centre.
[4] BOOM LENGTH
Refers to the distance between the boom primary pin and
the sheave pin of the boom end.
[5] BOOM DERRICK ANGLE
Refers to the angle which the boom forms with the horizon.
[6] LIFTING HEIGHT ABOVE GROUND
A vertical distance between the hook bottom end and the
ground with the hook raised to the upper limit.
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