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

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DOE-STD-I090-96 (Rev-I)Table 9-3. Safe workma distance from Dower mesoa. When operating near high-voltage power lines:rNormal voltage(phase to phase)Minimum requiredclearanceto 50 kV 10ft ~ 3.1 m~Over 50 to 200 kV 15 ft 4.6 mOver 200 to 350 kV 20 ft ( 6.1 m)Over 350 to 500 kV 25 ft ( 7.6 m)Over 500 to 750 kV 35ft ~10.7m~Over 750 to 1000 kV 45 ft 13.7 mb. While in transit with no load and boom or mast lowered:Normal voltage(phase to phase)Minimum requiredclearanceto 0.75 kV 4 ft (1.2 m)Over 0.75 to 50 kV 6 ft ~1.3 m~Over 50 to 345 kV 10 ft 3.5 mOver 345 to 700 kV 16 ft (4.9 m)Over 750 to 1000 kV 20 ft (6.1 m)9-17Chapter 9Mobile Cranes
DOE-STD-1090-96 (Rev-1)c. Durable signs shall be installed at theoperator's station and on the outside ofthecrane,warning that electrocution or serious bodily injurymay occur unless a minimum clearance of 10 ft(3.1 m) is maintained between the crane or theload being handled and energized power lines.Greater clearances are required because ofhighervoltage as stated in Table 9-3. These signs shallbe revised but not removed when a localjurisdiction requires greater clearances.d. Exercise caution when working nearoverhead lines having long spans as they tend tomove laterally or vertically due to the wind, whichcould cause them to breach the safety zone.e. Cranes shall not be used to handlematerials stored under electric power lines unlessany combination ofthe boom, load, load line, ormachine component cannot enter the prohibitedzone.f. Crane operators shall not rely on thecoverings ofwires for their protection.9.5.2.1 Crane Operation NearDe-energized and GroundedElectric Power LinesThis is the preferred condition under which theoperation can be performed safely. The hazard ofinjury or death due to electrocution has beenremove. The following steps shall be taken toassure de-energization ofthe power lines hasoccurred:a. Thepower company or owner of thepower lines shall de-energize the lines.b. The lines shall be visibly grounded toavoid electrical feedback and appropriatelymarked at the job-site location.c. A qualified representative ofthe owner ofthe lines or a designated representative oftheelectrical utility shall be on site to verify that steps(a) and (b) have been completed and that the linesare not energized.9.5.2.2 Power Lines Energized, CraneOperating Less thanErected/Fully Extended BoomLength away from theProhibited Zone(see Figure 9-3)a. An on-site meeting between projectmanagement and a qualified representative of theowner ofthe lines or a designated representativeofthe electrical utility shall take place to establishthe procedures to safely complete the operations.b. The specified clearance between thepower lines and the crane, load line, and load shallbe maintained at all times as specified in Table 93.c. Load control, when required, shall utilizetag lines ofa non~conductive type.d. A designated signaler, whose soleresponsibility is to verify that the requiredclearance is maintained shall be in constantcontact with the crane operator.e. No one shall be permitted to touch thecrane or the load unless the designated signalerindicates it is safe to do so.f. Operation ofboom and load over electricpower lines is extremely dangerous, due toperception of distance and multiple contact pointsas viewed from the position of the operator and lorposition ofthe designated signaler. The operatorshould avoid operating the crane, with or withouta load, in this area.g. The horizontal and vertical distance ofmovement oflong span lines due to the wind shallbe added to the minimum clearance distance asspecified in Table 9-3. A qualified representativeof the the owner of the lines or a designatedrepresentative ofthe electrical utility shall beconsulted for specific distances.h. Devices such as ribbons, balls, etc.,should be attached by a qualified person to thepower lines to improve visibility, or equivalentmeans employed to aid in location oftheprohibited zone.9.5.2.3 Crane Operations are Within theProhibited Zone and the PowerLines are Energizeda. Before such operations take place, aqualified person together with a qualifiedrepresentative of the utility or an engineerqualified in power line transmission shall, aftervisiting the site, determine if this is the mostfeasible way to complete the operation, and setminimum required clearances and procedures forsafe operations. These operations shall be undertheir supervision.The following guidelines should be required:Chapter 9Mobile Cranes 9-18
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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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Page 179 and 180: DOE-STD-1090-96 (Rev-l)Table 11-1.
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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)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)Table 11-13.
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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-I090-96 (Rev-I)Table 11-14.
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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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