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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)b. Test loads shall be accurate to within-5 percent, +0 percent of stipulated values. Eithercertification by the manufacturer or a pull testcertified by a qualified person is acceptable.15.4.7.3 Alloy Steel Chaina. Single-leg <strong>and</strong> endless alloy-steel chainslings shall be certified as having beenproof-tested to 200 percent ofthe rated capacityprior to initial use.b. The proofload for multiple-leg bridle slingsshall be applied to the individual legs <strong>and</strong> shall be200 percent ofthe vertical rated capacity of asingle-leg sling. Master links to whichmultiple-leg slings are connected shall beproof-loaded to 200 percent multiplied by theforce applied by the combined legs.c. Test loads shall be accurate to within-5 percent, +0 percent ofstipulated values. Eithercertification by the manufacturer or a pull testcertified by a qualified person is acceptable.15.4.8 <strong>Rigging</strong> Accessories­Inspectiona. Users or other designated personnel shallinspect shackles, rings, eyebolts, lifting bars,rigging assemblies, <strong>and</strong> hooks at the beginning ofeach shift in which they are to be used, as follows:1. Inspect shackles, rings, <strong>and</strong> similaritems for wear, corrosion, spreading, <strong>and</strong>deformation. Replace them ifdeformationexceeds 15 percent oftheir new condition.Replace shackle pins ifthey show any sign offailure in shear.2. Inspect lifting bars <strong>and</strong> spreaders forsigns offailure in bending; replace ifpermanentlybent more than 1/2 in. in 10 ft or iftwisted morethan 5 degrees out ofthe original plane. Examinehook-attachment welds for cracks <strong>and</strong> signs offailure in tension.3. Hooks having any ofthe followingdeficiencies shall be removed from service untilrepaired or replaced:i. Cracks.ii.Wear exceeding 10 percent oftheoriginal dimension.iii. A bend or twist exceeding 10degrees from the plane of theunbent hook.iv.Increase in throat openingexceeding 15 percent from thenew condition.4. Ifa latch is provided <strong>and</strong> it becomesinoperative because ofwear or deformation orfails to fully bridge the throat opening, remove thehook from service until the latch has been repairedor replaced.NOTE: Ifhooks are painted, a visual inspectionshould take the coating into consideration.Surface variations can disclose evidence ofheavyor severe service. In such instances, the surfacecondition may call for stripping the paint.15.4.9 <strong>Rigging</strong> Accessories­Testinga. Tackle assemblies, h<strong>and</strong>ling IlXtures, <strong>and</strong>rigging accessories for critical-lift service shallhave an initial proof-load test of2 times the ratedcapacity. The tackle shall be proof-tested prior tomaking a critical lift ifproof-testing cannot beverified.b. Tackle assemblies, h<strong>and</strong>ling IlXtures, <strong>and</strong>rigging accessories that have been modified orextensively repaired shall be proof-tested again to2 times the rated capacity prior to making acritical lift.c. Test loads shall be accurate to within-5 percent, +0 percent ofstipulated values.Chapter 15Construction <strong>Hoisting</strong> <strong>and</strong> <strong>Rigging</strong>Equipment Requirements 15-16

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