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DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

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<strong>DOE</strong>-<strong>STD</strong>-I090-<strong>96</strong> (Rev-I)4.2 MOBILE CRANESMobile cranes are designed <strong>and</strong> intended forh<strong>and</strong>ling materials, not personnel. In addition tothe general requirements in Section 4.1,"General," the following requirements shall bemet when lifting personnel with a mobile crane:aPersonnel are permitted to ride only in oneofthe following:1. A personnel platform that is supportedfrom the crane's hook which meets therequirements ofSection 4.4, "PersonnelPlatform."2. A personnel basket attached directly tothe boom which is approved by the cranemanufacturer.b. Cranes <strong>and</strong> derricks with variable-anglebooms shall be equipped with a boom-angleindicator that is readily visible to the operator.the operator, at all times, the boom's extendedlength, or an accurate determination ofthe loadradius to be used during the lift shall be madeprior to hoisting personnel.d. A positive-acting device shall be used thatprevents contact between the load block oroverhaul ball <strong>and</strong> the boom tip (anti-two-blockingdevice), or a system shall be used that deactivatesthe hoisting action before damage occurs in theevent ofa two-blocking situation (two-blockdamage-prevention feature).e. The crane shall be uniformly level within 1percent oflevel grade <strong>and</strong> located on fIrm footing.f. Cranes shall nottravel while personnel areon a personnel platform or in the basket.g. Cranes with outriggers shall have theoutriggers fully extended <strong>and</strong> blocked.c. Cranes with telescoping booms shall beequipped with a device to indicate clearly to4-3Chapter 4Lifting Personnel

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