MA HOISTING 2A STUDY MATERIAL
WITH COMPLETE SOLUTIONS
Swing vGear v- v vcorrect vanswer- vAttaches vthe vmain vframe vto vthe vcar vbody. vAllowing
vthe vmainframe vto vrotate vindependently vof vthe vundercarriage.
Swing vMotor v- v vcorrect vanswer- vAllows vmainframe vto vrotate v360 vdegrees
vindependent vof vtrack vdirection vor vequipment vmovement
Rotary vManifold v- v vcorrect vanswer- vDirects vhydraulic voil vto vthe vtrack vmotors vto
vallow vthe vtracks vto vfunction vindependently vwhile vthe vmain vframe vis vin vany vposition
Front vIdler v- v vcorrect vanswer- vCushion vthe vmachine vfrom vshock vwhen vdigging vand
vshould vbe vpositioned vat vthe vfront v/ vat vthe vhole vwhen vdigging. vMaintains vtension
von vthe vtrack vrails
Track vRails v- v vcorrect vanswer- vA vseries vof vlinks, vpins, vand vbushings vonto vwhich
vthe vgrouser vpads vare vbolted
Grouser vPads v- v vcorrect vanswer- vDevices vintended vto vincrease vtraction. vWider
vpads vdecrease vground vpressure. vNarrow vpads vincrease vtraction.
Dig vSafe vnotice v- v vcorrect vanswer- v72 vHour vminimum
30 vDays vmaximum
permit vrequired vindefinitely vunless va vbreak vin vwork
, Minimum vdistance vyou vmust vkeep vfrom vdigging vfrom va vknown vutility v- v vcorrect
vanswer- v18 vInches
Dig vSafe vRegulations v- v vcorrect vanswer- v220 vCMR v99
Red v- v vcorrect vanswer- vElectric
Yellow v- v vcorrect vanswer- vGas, vOil, vSteam
Orange v- v vcorrect vanswer- vCommunications
Blue v- v vcorrect vanswer- vPortable vWater
Purple v- v vcorrect vanswer- vReclaimed vWater
Green v- v vcorrect vanswer- vSewer/ vDrainage
Pink v- v vcorrect vanswer- vSurvey vMarks
White v- v vcorrect vanswer- vProposed vexcavation
Centerline vMethod v- v vcorrect vanswer- vType vof vMaterial
Change vin vdirection
Terminus vpoint
The vwidth v(if vgreater vthan v2 vinches)
Who v/ vWhat vis vexcluded vform vdigsafe v- v vcorrect vanswer- vPrivate vcompanies vand
vCity v/ vTown vlines vare vnot vrequired vto vparticipate vin vdigsafe v. vContractor v/ vyou vare
vresponsible vfor vfinding vand vmarking vthe vprivate vlines vin vthe vworksite
Dig vSafe vSafety vZone v- v vcorrect vanswer- vWithin v18 vwidth vof vthe vline vwhich vis
vcolor vcoded. vHand vdigging vonly vin vsafety vzones.
Shoring v- v vcorrect vanswer- vAddition vof vrigid vmaterial vto vsupport vdirt vwalls
Trench v- v vcorrect vanswer- vA vhole vthat vis vdeeper vthan vit vis vwide, vbut, vno vmore
vthan v15 vfeet vwide vat vthe vbottom.
Protection vis vrequired von vtrenches vgreater vthan v___ vfeet, vmaybe vless vdepending
von vsoil vconditons. v- v vcorrect vanswer- v5
Trench vLaw vaka vJackies vlaw v- v vcorrect vanswer- v520 vCMR v14:00
Permit vrequired von vtrenches vgreater vthan v___ vfeet v- v vcorrect vanswer- v3
WITH COMPLETE SOLUTIONS
Swing vGear v- v vcorrect vanswer- vAttaches vthe vmain vframe vto vthe vcar vbody. vAllowing
vthe vmainframe vto vrotate vindependently vof vthe vundercarriage.
Swing vMotor v- v vcorrect vanswer- vAllows vmainframe vto vrotate v360 vdegrees
vindependent vof vtrack vdirection vor vequipment vmovement
Rotary vManifold v- v vcorrect vanswer- vDirects vhydraulic voil vto vthe vtrack vmotors vto
vallow vthe vtracks vto vfunction vindependently vwhile vthe vmain vframe vis vin vany vposition
Front vIdler v- v vcorrect vanswer- vCushion vthe vmachine vfrom vshock vwhen vdigging vand
vshould vbe vpositioned vat vthe vfront v/ vat vthe vhole vwhen vdigging. vMaintains vtension
von vthe vtrack vrails
Track vRails v- v vcorrect vanswer- vA vseries vof vlinks, vpins, vand vbushings vonto vwhich
vthe vgrouser vpads vare vbolted
Grouser vPads v- v vcorrect vanswer- vDevices vintended vto vincrease vtraction. vWider
vpads vdecrease vground vpressure. vNarrow vpads vincrease vtraction.
Dig vSafe vnotice v- v vcorrect vanswer- v72 vHour vminimum
30 vDays vmaximum
permit vrequired vindefinitely vunless va vbreak vin vwork
, Minimum vdistance vyou vmust vkeep vfrom vdigging vfrom va vknown vutility v- v vcorrect
vanswer- v18 vInches
Dig vSafe vRegulations v- v vcorrect vanswer- v220 vCMR v99
Red v- v vcorrect vanswer- vElectric
Yellow v- v vcorrect vanswer- vGas, vOil, vSteam
Orange v- v vcorrect vanswer- vCommunications
Blue v- v vcorrect vanswer- vPortable vWater
Purple v- v vcorrect vanswer- vReclaimed vWater
Green v- v vcorrect vanswer- vSewer/ vDrainage
Pink v- v vcorrect vanswer- vSurvey vMarks
White v- v vcorrect vanswer- vProposed vexcavation
Centerline vMethod v- v vcorrect vanswer- vType vof vMaterial
Change vin vdirection
Terminus vpoint
The vwidth v(if vgreater vthan v2 vinches)
Who v/ vWhat vis vexcluded vform vdigsafe v- v vcorrect vanswer- vPrivate vcompanies vand
vCity v/ vTown vlines vare vnot vrequired vto vparticipate vin vdigsafe v. vContractor v/ vyou vare
vresponsible vfor vfinding vand vmarking vthe vprivate vlines vin vthe vworksite
Dig vSafe vSafety vZone v- v vcorrect vanswer- vWithin v18 vwidth vof vthe vline vwhich vis
vcolor vcoded. vHand vdigging vonly vin vsafety vzones.
Shoring v- v vcorrect vanswer- vAddition vof vrigid vmaterial vto vsupport vdirt vwalls
Trench v- v vcorrect vanswer- vA vhole vthat vis vdeeper vthan vit vis vwide, vbut, vno vmore
vthan v15 vfeet vwide vat vthe vbottom.
Protection vis vrequired von vtrenches vgreater vthan v___ vfeet, vmaybe vless vdepending
von vsoil vconditons. v- v vcorrect vanswer- v5
Trench vLaw vaka vJackies vlaw v- v vcorrect vanswer- v520 vCMR v14:00
Permit vrequired von vtrenches vgreater vthan v___ vfeet v- v vcorrect vanswer- v3
