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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)13.1 GENERAL13.1.1 MarkingThe manufacturer's identification shall be forged,cast, or die-stamped on a low-stress <strong>and</strong>nonwearing area ofthe hook.13.1.2 Attachmentsa. <strong>Hoisting</strong> hooks shall be fitted with a latch tobridge the throat opening to prevent the accidentalrelease ofslings or attachments. Hooks withoutlatches may be used in special applications wherethe latch would interfere with the proper use of thehook, providing that (1) the use ofthe hook isrestricted to the application for which it isapproved, <strong>and</strong> (2) in questionable cases,concurrence is obtained from the appropriatesafety organization.b. Ifa h<strong>and</strong>le or latch support whose designrequires heat-treating is welded to the hook,welding shall be done prior to final heat-treating.13.1.3 Load LimitsHooks shall not be loaded beyond rated capacityexcept during load tests of the equipment ofwhichthey are a part.13.1.4 Hook <strong>St<strong>and</strong>ard</strong>sa. Hook design shall meet generally acceptedhook design st<strong>and</strong>ards <strong>and</strong> be compatible with therequirements ofASME B30.10.b. The hook material shall have sufficientductility to permanently defonn before failure atthe ambient temperatures at which the hook willbe used.c. When a latch is provided, it shall bedesigned to retain such items as slings under slackconditions. The latch is not intended to supportthe load.d. The bearing surfaces ofnew hooks shall bethe arc ofa circle. Gauge points, or hook gauges,for measuring spread after load testing should beprovided.e. Field-fabricated hooks shall meet therequirements ofthis section <strong>and</strong> shall be approvedby the cognizant engineering <strong>and</strong> safetyorganizations.13-1Chapter 13Load Hooks

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