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

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DOE-STD-I090-96 (Rev-I)11.3.3.2 Annual Inspectionsa. A sample annual inspection form is includedas Exhibit II at the end ofthis section. This formis intended to be a sample only and is not intendedto be mandatory.b. Annual inspections shall be conducted by aqualified inspector. In addition to criteria for dailyinspections, the qualified inspector shall do thefollowing for annual inspections:1. Hang chain in a vertical position, ifpracticable, for preliminary inspection. Chainshould hang reasonably straight iflinks are notdistorted.2. Accurately measure the reach (insideofcrane ring to inside ofhook) under no loadwhen new and at each inspection, and keep arecord ofincrease in length; an increase in lengthmay be due to stretch (sign of overload or wear).3. Check for localized stretch and wear.Lift each link from its seat and visually inspect forgrooving. Ifgrooving is noticed, verify stockdiameter oflink to be within the minimum safedimensions in the table below. Reject chain ifitdoes not meet the requirements in the table.4. Remove the assembly from service ifwear at any point ofany chain link exceeds thatshown in Table 11-11.5. Round out sharp transverse nicks bygrinding. Ifthe minimum dimensions are reducedbelow those values specified in Table 11-11,remove the assembly from. service.Table 11-11. Maximum allowable wearof chains.Chain size(in.)1/43/8~5/83/47/811-1/4Maximumallowable wear(in.)3/645/647/649/6410/6411/6412/6416/646. Check for evidence ofheat damage.11.3.3.3 Proof-Testinga. Single-leg and 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 and shall be200 percent ofthe vertical rated capacity ofasingle-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.11.3.3.4 Operationa. The following shall apply to all personnelwho use steel-chain slings:1. Do not set a load on a sling or pull asling from under a load. Place wooden blocks orother supports under the load to provide sufficientclearance for the chain.2. Shorten chain slings byhooking backinto the chain, into the master link, or with grabhooks. Do not shorten by knotting, twisting,bolting, or inserting the tip ofthe hook into a link.3. Do not hammer a chain to force it intoposition.4. Protect chain slings from sharp comersthat might bend the links. Use a suitable pad toprevent gouging orbending ofthe chain links, aswell as possible scarring ofthe load.5. When making choker hitches withchain slings, always face the hook opening out andaway from the pull of the sling so that the hookswill not slip out when slack is taken out ofthesling.6. Check steel-chain slings for:i. Nicks, cracks, gouges, and wear.NOTE: For other sizes, consult chain orsling manufacturer.ii.Bending, stretching, or shearingoflinks.11-25Chapter 11Wire Rope and Slings
-_.._-----~------------DOE-STD-I090-96 (Rev-I)iii.Bends or distortions in hooks.ii.Manufacturer's grade.iv.Rust and corrosion.v. Uneven lengths when sling legsare hanging free.iii.iv.Rated load and angle on whichthe rating is based.Reach.vi.Evidence ofheat damage.v. Number oflegs.7. Do not weld orperform local repairson chain slings. All defective chain slings shouldbe returned, through a formal procedure, to themanufacturer for examination, repair, andrecertification.8. Avoid sudden loading ofchain slings.9. Maintain latches on hooks in goodcondition.10. Ifa chain sling does not look safe, donot use it. Do not assume that a chain sling is safebecause it looks new; look for stretched links. Ifin doubt, check with the supervisor.11. Do not carry loads on the point or tipofahook.12. Avoid unbalanced loads.13. Do not use homemade links, makeshiftfasteners formed from bolts, rods, and the like, orother nonstandard attachments.14. Do not use makeshift orfield-fabricated hooks on steel-chain slings.15. Hook the ends ofall empty chain ontothe hoist hook or bull ring..16. Ensure that steel-chain slings used inDOE-controlled areas are marked, at a minimum,with:i. Size.vi.vii.Sling manufacturer.Inspection due date.17. This information maybe stenciled orstamped on a metal tag or tags affixed to the sling.18. Where slings have more than one leg,ensure that the tag is affixed to the master linle19. Ensure that the working load does notexceed the rated capacity ofthe sling.11.3.4 Metal-Mesh Slingsa. Metal-mesh slings (Figure 11-16) shall beclassified with the designations shown inTable 11-12, based on types ofduty and materialclassification.Table 11-12. Metal-mesh slingdesignations.Tyoe Classification DesignationHeavy duty Carbon steel 35-C8Stainless steel 35-8SMedium dUty Carbon steel 43-CSStainless steel 43-88Light dUty Carbon steel 59-C8Stainless steel 59-SSb. The carbon steel used in metal-mesh slingsshall be processed to produce the requiredmechanical properties.Chapter 11Wire Rope and Slings 11-26
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INCH-POUNDDOE STANDARDDOE-STD-1 090
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DISCLAIMERPortions of this document
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DOE-STD-I090-96 (Rev-I)7.5.6 Attach
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DOE-STD-I090-96 (Rev-I)9.2.6.3 Hydr
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DOE-STD-1090-96 (Rev-l)11.2.3.1 6 x
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DOE-STD-1090-96 (Rev-l)13.4.5 Disco
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DOE-STD-I090-96 (Rev-I)15.4.2 Mobil
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DOE-STD-I090-96 (Rev-I)History and
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DOE-STD-I090-96 (Rev-I)Acknowledgme
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DOE-STD-I090-96 (Rev-I)Introduction
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DOE-STD-I090-96 (Rev-I)CHAPTER 1TER
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DOE-STD-I090-96 (Rev-I)CLOSING LINE
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DOE-STD-I090-96 (Rev-I)END CONTROL:
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LIFT, PREENGINEERED PRODUCTION:Repe
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QUALIFIED ENGINEER/QUALIFIEDENGINEE
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DOE-STD-I090-96 (Rev-I)INTENTIONALL
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DOE-STD-I090-96 (Rev-I)2.2 CRITICAL
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DOE-STD-1090-96 (Rev-1)INTENTIONALL
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DOE-STD-I090-96 (Rev-I)3.2 OPERATIO
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DOE-STD-I090-96 (Rev-I)2. Perform a
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DOE-STD-I090-96 (Rev-I)3.4.4 Approv
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DOE-STD-I090-96 (Rev-I)3.6 TRAINING
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DOE-STD-I090-96 (Rev-I)that create
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4.3 OVERHEAD CRANESDOE-STD-I090-96
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DOE-STD-I090-96 (Rev-I)lNTENTIONAIL
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DOE-STD-I090-96 (Rev-I)5.2 HOSTILE
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DOE-STD-1090-96 (Rev-l)EXHIBIT IHOS
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6.2 QUALIFICATIONDOE-STD-I090-96 (R
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6.2.5Operators of ForkliftTrucksa.
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DOE-STD-I090-96 (Rev-I)6.3 TRAINING
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DOE-STD-1090-96 (Rev-l)24. Records
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6.4 REQUALIFICATIONDOE-STD-I090-96
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DOE-STD-I090-96 (Rev-!)Gantry Crane
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DOE-STD-I090-96 (Rev-I)Crane bridge
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DOE-STD-I090-96 (Rev-I)7.2 INSPECTI
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DOE-STD-I090-96 (Rev-I)h. Chain-dri
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DOE-STD-I090-96 (Rev-I)trouble pers
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DOE-STD-I090-96 (Rev-I)7.4 MAINTENA
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DOE-STD-I090-96 (Rev-I)HOIST. With
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DOE-STD-I090-96 (Rev-I)g. Do not lo
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DOE-STD-1090-96 (Rev-l). IN1ENTIONA
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DOE-STD-1090-96 (Rev-l)EXHIBIT I (c
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DOE-STD-I090-96 (Rev-I)EXHIBIT I (c
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DOE-STD-I090-96 (Rev-I)8.3 TESTING
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DOE-STD-I090-96 (Rev-I)Figure 8-3.
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DOE-STD-I090-96 (Rev-I)8.1.1Operato
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DOE-STD-I090-96 (Rev-I)operating co
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DOE-STD-I090-96 (Rev-I)2. A number
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DOE-STD-I090-96 (Rev-I)d. Do not op
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DOE-STD-I090-96 (Rev-I)Exhibit I is
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DOE-STD-I090-96 (Rev-I)EXHIBIT I (c
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DOE-STD-I090-96 (Rev-I)9.5.29.5.39.
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DOE-STD-I090-96 (Rev-I)Table 9-1. S
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DOE-STD-1090-96 (Rev-1)r-1r.ilE3...
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DOE-STD-I090-96 (Rev-I)d. Evidence
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DOE-STD-I090-96 (Rev-I)before retur
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DOE-STD-I090-96 (Rev-!)t. Lock carr
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DOE-STD-I090-96 (Rev-I)Figure 9-2.
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DOE-STD-1090-96 (Rev-1)c. Durable s
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DOE-STD-I090-96 (Rev-I)1. Cranel10a
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DOE-STD-I090-96 (Rev-I)IIIIIIIIIIII
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DOE·STD·I090·96 (Rev-I)HOIST. Wi
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DOE-STD-1090-96 (Rev-l)13.4 NONDEST
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DOE-STD-1090-96 (Rev-1)14.4.4.3 Per
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DOE-STD-I090-96 (Rev-I)14.2 STRUCTU
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DOE-STD-I090-96 (Rev-I)14.2.7 Maint
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DOE-STD-I090-96 (Rev-!)Four-pad pow
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DOE-STD-I090-96 (Rev-I)14.3.5 Testi
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DOE-STD-I090-96 (Rev-I)14.4 MAGNETS
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DOE-STD-I090-96 (Rev-I)1. External
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DOE-STD-I090-96 (Rev-I)instructed b
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DOE-STD-I090-96 (Rev-I)6. Charging
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DOE-STD-!090-96 (Rev-!)EXHIBIT IPag
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DOE·STD·I090-96 (Rev-I)15.2 DEFIN
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General note for Figures 15-5 throu
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DOE-STD-I090-96 (Rev-I)LIFT, ORDINA
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DOE-STD-I090-96 (Rev-I)15.4.2.4 Fre
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DOE-STD-I090-96 (Rev-I)4. Corroded
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DOE-STD-I090-96 (Rev-I)b. Test load
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DOE-STD-I090-96 (Rev-I)Figure 15-13
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DOE-STD-I090-96 (Rev-I)include the
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DOE-STD-1090-96 (Rev-l)the platform
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DOE-STD-I090-96 (Rev-I)h. Report an
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DOE-STD-!090-96 (Rev-!)fRAISE THE T
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DOE-STD-I090-96 (Rev-I)h. Provide 4
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DOE-STD-1090-96 (Rev-l)ASME B56.7,
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