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

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DOE-STD-!090-96 (Rev-!)11.3.2.1 Inspectionsa. Wire-rope sling users shall visually inspectall slings each day they are used or prior to useifthe sling has not been in regular service (recordsare not required). In addition, a periodicinspection (with records) shall be made at leastannually by a qualified inspector. More frequentintervals should be established ifnecessary asdetermined by a qualified person based on:1. Frequency ofsling use.2. Severity ofservice conditions.3. Nature oflifts being made.4. Experience gained on the service lifeof slings used in similar circumstances.b. Users shall carefully note any deteriorationthat could result in an appreciable loss oforiginalstrength and determine whether further use ofthesling would constitute a safety hazard.c. A sample annual inspection form is includedas Exhibit I at the end ofthis section. This form isintended to be a sample only and is not intended tobe mandatory.d. Inspection records shall be readily available.e. Slings shall be immediately removed fromservice ifany ofthe following conditions arepresent:1. Ten randomly distributed broken wiresin one rope lay or five broken wires in one strandin one rope lay.2. Wear or scraping of one-third theoriginal diameter ofthe outside individual wire.3. Kinking, crushing, birdcaging, or anyother damage resulting in distortion of the ropestructure.4. Evidence ofheat damage.5. End attachments that are cracked,deformed, or worn.6. Corrosion ofthe rope or endattachments.f. Hooks shall be inspected according toChapter 12, "Rigging Accessories."11.3.2.2 Proof-Testinga. All swaged and poured socket slingassemblies shall be certified as having beenproof-tested. All other sling assemblies shall beproof- tested when specified by the purchaser.b. As a minimum, the proofload shall be equalto the rated capacity but shall not exceed:1. 125 percent ofthe vertical ratedcapacity for single-leg, hand-tucked slings.2. 200 percent ofthe vertical ratedcapacity for mechanical-splice single-leg slingsand endless slings.c. The proofload for multiple-leg bridle slingsshall be applied to the individual legs and shall beeither 200 percent for mechanical splice or 125percent for hand-tucked splice, times the verticalrated capacity of a single-leg sling. Master linksto which multiple-leg slings are connected shall beproof-loaded to 200 percent times the forceapplied by the combined legs.d. Welded end attachments shall not be usedunless proof-tested at 2 times rated capacity priorto initial use.e. Test loads described above shall be accurateto within -5 percent, +0 percent ofstipulatedvalues. A written letter ofcertification by themanufacturer or a pull test witnessed and certifiedin writing by a qualified person is acceptable.11.3.2.3 OperationThe following shall apply to all personnel who usewire-rope slings:a. Ordinary Lifts1. Start and stop slowly; sudden startsand stops dramatically increase the stresses inhoist ropes and slings. Lift slowly until the load issuspended to minimize swinging.2. Loads shall be set on blocks. Do notpull a sling from under a load that is resting on thesling.3. Ensure that wire-rope slings areprotected against weather, chemicals, solvents,and high temperatures.4. Permanently remove from servicefiber-core rope slings that have been exposed to11-19Chapter 11Wire Rope and Slings
DOE-STD-I090-96 (Rev-I)temperatures in excess of 180 degrees F (82degrees C).5. Obtain the manufacturer's writtenapproval for use ofwire rope slings of any gradeat temperatures between 400 degrees F (204degrees C) and -60 degrees F (-51 degrees C).6. Extremely low temperatures (less thanodegrees F) may cause brittle fractures. Underthese conditions, sudden loading should beavoided and the rope should be carefully observedwhile the load is being applied.7. Do not use knotted slings.8. Do not use single-leg wire-rope slingsunless proper precautions are taken to preventsuspended loads from rotating.9. Secure each leg ofa wire-rope sling atthe hook to prevent reeving ofthe sling throughthe hook.10. Do not make a complete turn of wirerope around the crane hook.11. Use protector pads or blocking atsharp comers.12. Avoid handling hot material withwire-rope slings.13. Use shackles or adjustable chokerhooks when making choker hitches.14. Store slings on racks away frommoisture and acids when not in use.15. Ensure that damaged wire-rope slingsare rendered unusable, removed from service,discarded, and replaced with new slings.16. Before use and before storage, checkwire-rope slings for:i. Broken or cut wires or strands.ii.iii.iv.Rust or corrosion.Kinks.Broken seizing wire.v. Damage to swaged fittings.vi.Other signs ofdamage or abuse.17. The capacity ofwire-rope slings isderated by the manufacturer by applying theefficiency factors such as those given in Figure11-11.18. Do not use wire-rope clips to fabricatewire-rope slings except where the application ofslings prevents the use ofprefabricated slings orwhere the specific application is designed by aqualified person. Slings made with wire rope clipsshould notbe used as a choker hitch (see Figures11-12 and 11-13).19. When wire-rope clips are used, therating ofthe sling must be derated to 80 percent ofthe wire-rope rating to allow for the inefficiency ofthe clips.20. Double-saddle clips or fist-grip clips(Figure 11-14) may be used to make upgeneral-purpose slings provided the sling isderated to 95 percent ofwire-rope capacity.21. Follow the requirements of29 CPR1926.251, Table H-20 or the manufacturer'srecommendation (whichever offers the greaterprotection) for the number ofclips required,correct spacing, and torque. After the initial loadis applied to the rope, retighten the clip nuts to therecommended torque to compensate for anydecrease in rope diameter caused by the load.Rope clip nuts should be retightened to therecommended torque periodically to compensatefor further decrease in rope diameter during usage.Chapter 11Wire Rope and Slings 11-20
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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-!090-96 (Rev-!)iv.Inspect f
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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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Page 185 and 186: DOE-STD-I090-96 (Rev-I)11.3 SLINGS1
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DOE-STD-1090-96 (Rev-l)13.2 INSPECT
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DOE-STD-I090-96 (Rev-I)13.3 TESTING
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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-1090~96 (Rev-l)Consideratio
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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)attention to
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DOE-STD-I090-96 (Rev-I)b. Test load
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DOE-STD-!090-96 (Rev-!)regardless Q
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DOE-STD-1090-96 (Rev-1)EMERGENCY ST
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DOE-STD-I090-96 (Rev-I)so by an app
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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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