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

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DOE-STD-I090-96 (Rev-I)Conditions such as the following shall besufficient reason for questioning rope safety andconsidering replacement:1. In running ropes, 12 randomlydistributed broken wires in one rope lay, or4 broken wires in one strand in one rope lay.2. Wear ofone-third ofthe originaldiameter ofoutside individual wires.3. Kinking, crushing, birdcaging, or anyother damage resulting in distortion ofthe ropestructure.4. Evidence ofheat damage from anycause.5. Reductions from nominal diametergreater than those listed in Table 7-1.d. Replacement rope and connections shallhave a strength at least as great as the originalrope and connections furnished by the cranemanufacturer. Any deviation from the originalsize, grade, or construction shall be specified by arope manufacturer, the crane manufacturer, or aqualified person.e. Never use discarded rope for slings.7.2.7.3 Chain (Welded Link)a. Operate the crane under load in raising andlowering directions, and observe the operation ofthe chain and sprockets. The chain should feedsmoothly into and away from the sprockets.b. Ifthe chain binds, jumps, or is noisy, firstsee that it is clean and properly lubricated. Ifthetrouble persists, inspect the chain and matingparts for wear, distortion, or other damage.c. The chain should be cleaned beforeinspection. Examine visually for gouges, nicks,weld spatter, corrosion, and distorted links.Slacken the chain and move adjacent links to oneside to inspect for wear at the contact points. Ifwear is observed or stretching is suspected, thechain should be measured according to the hoistmanufacturer's instructions. Ifinstructions are notavailable, proceed as follows:1. Select an Unworn, unstretched lengthofthe chain (e.g., at the slack end).2. Suspend the chain vertically undertension and, using a caliper-type gauge, measurethe outside length ofany convenient number oflinks approximately 12 in. (305 nun) to 14 in.(356 nun) overall.3. Measure the same number oflinks inthe used sections and calculate the percentage ofincrease in length.d. Conditions such as the following shall besufficient reason for questioning safety and forconsidering replacement:1. Ifthe used chain exceeds a cranemanufacturer's recommended length or, in theabsence ofsuch a recommendation, the used chainis 1.5 percent longer than the unused chain forpowered hoists or is 2.5 percent longer than theunused chain for hand-operated chain, replace thechain.2. The existence ofgouges, nicks,corrosion, weld spatter, or distorted links.e. Repairing the load chain by welding or anyother means shall not be attempted by anyoneother than the chain manufacturer.f. Replacement chain shall be the same size,grade, and construction as the original chainfurnished by the crane manufacturer unlessotherwise recommended by the manufacturer dueto working conditions.g. Load-chain links that pass over the loadsprocket on edge (alternate to those that lie flat inthe pockets) should be installed with the weldsaway from the center ofthe sprocket. Thisprecaution is not required on idler sprockets,which change the direction but not the tension inthe chain.h. The chain shall be installed without anytwist between the hoist and an anchored end oneither the loaded side or the slack side.i. When a chain is replaced, disassemble andinspect the mating parts (sprockets, guides,stripper) for wear, and replace ifnecessary.j. Discarded load chain shall not be used forslings.7.2.7.4 Chain (Roller)a. Test the crane under load in raising andlowering directions, observing the operation ofthechain and sprockets. Ifthe chain binds, jumps, oris noisy, clean and properly lubricate it. Ifthe7-9Chapter 7Overhead and Gantry Cranes
DOE-STD-I090-96 (Rev-I)trouble persists, inspect the chain and matingparts for wear, distortion, or damage.b. Ifwear is observed or stretching issuspected, the chain shall be measured accordingto the crane manufacturer's instructions. Ifinstructions are not available, proceed as follows:1. Suspend the hoist in normal positionand apply a light load ofapproximately 50 lb(23 kg).2. Select a 12-in. (305-mm) section ofchain that normally travels over the load sprocket.3. Determine elongation by measuringwith a caliper from the edge ofone chain pin tothe corresponding edge ofanother pin. Ifelongation exceeds 1/4 in. (6.3 mm) in 12 in.(305 mm) compared to new or unstretched chainvalues, the chain shall be replaced.4. Inspect for twist. Replaceifthe twistin any 5-ft (l.52-m) section exceeds 15 degrees.5. Check for straightness in a planeperpendicular to the plane ofthe rollers. Replaceifthe chain has a bow exceeding 1/4 in. (6.3 mm)in any 5-ft (1.52-m) section.6. Additional inspection shall be made byremoving the chain from the crane and cleaning itthoroughly. Deficiencies such as those listedbelow shall be carefully examined and adetermination shall be made as to whether theyconstitute a safety hazard:i. Pins turned from originalposition.ii.iii.Rollers that do not run freelywith light fmger pressure.Joints that cannot be flexed byeasy hand pressure.iv.Side plates that are spread open.v. Corrosion, pitting, ordiscoloration.vi.Gouges, nicks, or weld spatter.c. Roller chain shall bereplaced ifany oftheconditions exist as stated inparagraphs 7.2.7A.b.,1 through 5 above.d. Deficiencies as stated inparagraph 7.2.7.4.b.6 above are reason forquestioning chain safety and considering itsreplacement.e. Repairing ofroller chain by welding orheating shall not be attempted.f. Replacement chain shall be the same size,grade, and construction as the original chainfurnished by the crane manufacturer unlessotherwise recommended by the manufacturer dueto working conditions.g. Roller chain, discarded or new, shall not beused for slings.7.2.8 Cranes Not in RegularServicea. Cranes that have been idle for 1 month ormore but less than 6 months shall be inspectedbefore being placed in service according to therequirements listed above in Section 7.2.6,"Frequent Inspection.b. Cranes that have been idle for 6 months orlonger shall be inspected before being placed inservice according to the requirements listed abovein Section 7.2.7, "Periodic Inspection."Chapter 7Overhead and Gantry Cranes 7·10
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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-!)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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DOE-STD-I090-96 (Rev-I)EXHIBIT I (c
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DOE-STD-1090-96 (Rev-1)10.5.5 Movin
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DOE-STD-I090-96 (Rev-I)10.1.6 Modif
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DOE-STD-I090-96 (Rev-I)1. Class I-l
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DOE-STD-I090-96 (Rev-I)CAUTIONONLY
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DOE-STD-1090-96 (Rev-l)20. To avoid
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DOE-STD-1090-96 (Rev-1)RAISE THE TI
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DOE-STD-1090-96 (Rev-l)Table 11-1.
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DOE-STD-I090-96 (Rev-I)11.2 WIRE RO
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DOE-STD-I090-96 (Rev-I)11.3 SLINGS1
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DOE-STD-1090-96 (Rev-1)11.3.1.3 Des
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DOE-STD-I090-96 (Rev-I)Table 11-4.
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DOE-STD-1090-96 (Rev-l)Table 11-8.
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DOE-STD-I090-96 (Rev-I)Angle of cho
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DOE-STD-I090-96 (Rev-I)temperatures
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DOE-STD-I090-96 (Rev-!)7. Locate sl
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DOE·STD·I090·96 (Rev-I)q. Never
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DOE-STD-I090-96 (Rev-I)j. Despite t
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DOE·STD·1090-96 (Rev-1)certificat
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DOE-STD-I090-96 (Rev-I)Exhibits I t
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DOE-STD-1090-96 (Rev-l)lNTENTIONALL
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DOE-STD-1090-96 (Rev-l)INTENTIONALL
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DOE-STD-I090-96 (Rev-I)Good and Bad
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12.2 RIGGING HOOKSDOE-STD-I090-96 (
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DOE-STD-I090-96 (Rev-I)2. Heavy ser
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DOE-STD-I090-96 (Rev-I)Typical shac
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DOE-STD-I090-96 (Rev-I)• Shoulder
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12.5 TURNBUCKLESDOE-STD-I090-96 (Re
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12.6 LINKS AND RINGSDOE-STD-I090-96
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DOE-STD-I090-96 (Rev-I)12.7 METAL-P
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DOE-STD-I090-96 (Rev-I)Exhibit I is
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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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