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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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12.2 RIGGING HOOKS<strong>DOE</strong>-<strong>STD</strong>-I090-<strong>96</strong> (Rev-I)12.2.1 Designa. Hook design shall meet generally acceptedhook design st<strong>and</strong>ards <strong>and</strong> be compatible with therequirements ofASME B30.1O, Chapter 10-2,"Hook-Miscellaneous" (see Chapter 13, "LoadHooks," for equipment load hook requirements.)b. Latch-equipped hooks shall beused 1.Ullessthe application makes the use ofthe latchimpractical or unnecessary.12.2.2 MarkingThe manufacturer's identification shall be forged,cast, or die-stamped on a low-stress <strong>and</strong>nonwearing area ofthe hook.12.2.3 Constructiona. The hook material shall have sufficientductility to permanently deform before failure atthe temperature at which the hook will be used.b. Rated capacities for hooks shall equal orexceed the rated capacity ofthe chain, wire rope,or other suspension members to which they areattached.12.2.4 Load LimitsA hook shall not be loaded beyond its ratedcapacity, except as is necessary to conform to therequirements for load testing ofthe sling orhardware to which it is attached. See Table 12-2for hook capacity.12.2.5 Inspections12.2.5.1 Initial Inspectiona. A qualified inspector shall inspect all new<strong>and</strong> repaired hooks prior to initial use to ensurecompliance with the applicable provisions ofASME B30.1O Section 10-2.2. Dated <strong>and</strong> signedinspection records shall be kept on me <strong>and</strong> shallbe readily available.ofthis section.12.2.5.2 Daily Inspectiona. The operator or other designated personshall visually inspect hooks daily or prior to firstuse, ifthe hook is not in regular service, for thefollowing (records are not required):1. Cracks, nicks, gouges.2. Deformation.3. Damage from chemicals.4. Damage, engagement, or malfunctionoflatch (ifprovided).5. Evidence ofheat damage.b. A designated person shall examinedeficiencies <strong>and</strong> determine whether they constitutea safety hazard <strong>and</strong> whether a more detailedinspection is required.12.2.5.3 Frequent Inspectiona. The operator or other designated personnelshall visually inspect the hook at the followingintervals (records are not required):1. Normal service-monthly.2. Heavy service-weekly to monthly.3. Severe service-daily to weekly.b. Hook service is defmed as follows:1. Normal service-operation at less than85 percent ofrated capacity except for isolatedinstances.b. Inspection procedure <strong>and</strong> recordkeepingrequirements for hooks in regular service shall bedetennined by the kind ofequipment in which theyare used. When such requirements for hooks arestated in st<strong>and</strong>ards for the specific equipment,they shall take precedence over the requirementsChapter 12<strong>Rigging</strong> Accessories 12-6

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