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

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DOE-STD-1090-96 (Rev-l)11.3.4.1 Inspectionsa. Users ofmetal-mesh sling shall visuallyinspect all metal-mesh slings before each use.b. Annual inspections shall be made by aqualified inspector, and inspection records shall bekept on file and be readily available.c. Metal-mesh slings shall be removed fromservice ifany ofthe following defects are present:1. A broken weld or brazedjoint alongthe sling edge.2. A broken wire in any part ofthe mesh.3. Reduction in wire diameter of25 percent due to abrasion or 15 percent due tocorrosion.4. Lack offlexibility due to distortion ofthe mesh.5. Distortion ofthe female handle so thedepth of the slot is increased by more than 10percent.6. Distortion ofeither end fitting so thewidth ofthe eye opening is decreased by morethan 10 percent.7. A 15 percent reduction ofthe originalcross-sectional area ofmetal at any point around ahandle eye.8. Any distortion or twisting ofeither endfitting out ofits plane.9. Cracked end fitting.10. Evidence ofheat damage.11.3.4.2 Proof-Testinga. Metal-mesh slings shall be certified ashaving been proof-tested to 200 percent of theirrated capacity prior to initial use.b. Coated slings shall be proof-tested prior tobeing coated.c. 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.11.3.4.3 Operationa. The following shall apply to all personnelwho use metal-mesh slings:1. Ensure that the weight ofthe load iswithin the rated capacity ofthe sling.2. Ensure that metal-mesh slings havesuitable characteristics and rated capacity for theload and environment.b. Metal-mesh slings should be long enough toprovide the maximum practical angle between thesling leg and the horizontal (minimum practicalangle at the crane hookifvertical angles are used).c. Do not shorten metal-mesh slings withknots, bolts, or other unapproved methods.d. Do not use damaged slings.e. Securely hitch metal-mesh slings to the load.f. Ensure that sharp comers are padded.g. Keep hands and fmgers outofthe areabetween the sling and the load.h. Ensure that all personnel stand clear ofthesuspended load.i. Avoid shock loading.j. Do not pull metal-mesh slings from under aload when the load is resting on the sling.k. Do not store metal-mesh slings in an areawhere they will be subjected to mechanicaldamage or corrosive action.1. Avoid twisting and kinking ofthe legs.m. In a choker hitch, ensure that metal-meshslings are long enough so that the female handlechokes freely on the mesh, never on the handle.n. In a choker hitch, ensure that the load isbalanced. When this cannot be done, consult themanufacturer for a derating factor or for othermeans ofhandling this type ofload.o. In a basket hitch, ensure that the load isbalanced to prevent slippage.p. Do not use metal-mesh slings in which thespirals are locked or are without free articulation.11-29Chapter 11Wire Rope and Slings
DOE·STD·I090·96 (Rev-I)q. Never hammer a sling to straighten a spiralor cross rod or to force a spiral into position.r. Metal-mesh slings used in pairs should beattached to a spreader beam.s. Ensure that all metal-mesh slings have apermanently affixed metal identification tag ortags containing the following information:1. Manufacturer's name or trademark.2. Rated load in vertical, basket, andchoker hitches.3. Inspection due date.11.3.5 Synthetic-Web Slingsa. Synthetic web shall possess the followingqualities:1. Be ofsufficient strength to meet thesling manufacturer's requirements.2. Have uniform thickness and width.3. Have selvage edges and not be splitfrom its woven width.b. The thread used in the manufacture of asynthetic-web sling shall be ofthe same type ofmaterial as the web.c. Fittings shall be:1. Of sufficient strength to sustain twicethe rated capacity without permanent deformation.2. Of a minimum breaking strength equalto that ofthe sling.3. Free ofall sharp edges that would inany way damage the mesh.d. The stitching in all load-bearing splices shallbeofsufficient strength to maintain the slingdesign factor.e. Synthetic-web slings may be coated withelastomers or other suitable material that willprovide characteristics such as abrasionresistance, sealing ofpores, and increasedcoefficient offriction.f. The design factor for synthetic-web slingsshall be a minimum of5:1 based upon breakingstrength.g. Rated.capacities are affected by the type ofhitch used and by the angle from the vertical whenused as multilegged slings or in basket hitches.The sling manufacturer shall supply data on theseeffects.h. Synthetic-web slings are available in anumber ofconfigurations as follows (see Figure11-17):1. Endless or Grommet Sling-Bothends ofone piece ofwebbing are lapped and sewnto form a continuous piece. They can be used asvertical hitches, bridle hitches, in chokerarrangements, or as basket slings. Because loadcontact points can be shifted with every lift, wearis evenly distributed and sling life is extended.2. Standard Eye and Eye-Webbing isassembled and sewn to form a flat-body sling withan eye at each end and the eye openings in thesame plane as the sling body. The eyes may eitherbe full web width or may be tapered by beingfolded and sewn to a width narrower than thewebbing width.3. Twisted Eye-An eye-and-eye typethat has twisted terminations at both ends. Theeye openings are at 90 degrees to the plane ofthesling body. This configuration is also availablewith either full-width or tapered eyes.i. In place of the sewn eyes, synthetic-webslings are also available with metal end fittings(see Figure 11-18). The most common aretriangle and choker hardware. Combinationhardware consists ofa triangle for one end ofthesling and a triangle/rectangle choker attachmentfor the other end. With this arrangement, bothchoker and basket hitches, as well as straighthitches, may be rigged. They help reduce wear inthe sling eyes and thus lengthen sling life.Chapter 11Wire Rope and Slings 11-30
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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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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-I090-96 (Rev-I)RETRACT 800M
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DOE-STD-I090-96 (Rev-I)Exhibit I is
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Page 185 and 186: DOE-STD-I090-96 (Rev-I)11.3 SLINGS1
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Page 193 and 194: DOE-STD-1090-96 (Rev-l)Table 11-8.
Page 195 and 196: DOE-STD-I090-96 (Rev-I)Angle of cho
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Page 205: DOE-STD-I090-96 (Rev-I)Table 11-13.
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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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