| http://www.w3.org/ns/prov#value | - The required design factor is achieved by taking the current safety factor of 3.5 and applying the fifty percent derating of the crane capacity.(c) Load and boom hoist drum brakes, swing brakes, and locking devices such as pawls or dogs shall be engaged when the occupied personnel platform is in a stationary working position.(d) Cranes and derricks with variable angle booms shall be equipped with
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