Nccco Core + Specialty Test Prep
questions and answers
ASME B30.5 - ANSMobile and Locomotive cranes, all types
ASME B30.3 - ANSTower Cranes
ASME B30.23 - ANSPersonel Lifting Regs
OSHA 29 CFR 1926.1400 Series - ANSCranes & Derrick's used in Construction regs.
Rotation Resistant Wire Rope - ANS2 randomly broken wires in 6 diameters.
4 randomly broken wires in 30 diameters.
Safety factor 5.0
Safety factor personel lifts 10-1
ASME B30.9 - ANSSlings
Personel Platforms
ASME B30.23 - ANSMaximum Wind 15mph
Cranes capacity not exceed 50%
Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment.
Wire Rope Safety Factor 7-1, Rotation Resistant 10-1
Sling eyes must have thimbles.
Load test platform 125% / 5 minutes before use.
Frequent + daily inspection.
100' per minute lower speed.
Gate must Open Inward.
OSHA 29 CFR 1926.1402
Ground Conditions - ANSGround must be firm, graded and drained.
Warn Operator of Locations of Hazards.
, Outriggers + Dunnage - ANSPads should be Secured To Outriggers.
Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including
rigging.
Fully extended, tires off ground. Free of Crane weight.
If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for
partially extended.
Outrigger Pads Must be 90° angle to cylinder.
Mats and Blocking used to distribute bearing pressure.
Never block under outrigger beams.
Truck crane pick over front require front outrigger load chart.
Spans and gapped blocking fails at 50% load and destroys pads.
Swing Clearance - ANSSwing clearance must be barricaded. (2' outside swing radius)
Best Leveling Surface On Crane? - ANSUpper works.
Cranes 3° out of level will? - ANSDecrease capacity by as much as 50%.
Plus add to excessive boom side loading and sheeve wear.
Level not to exceed <1°
When Swinging Unlevel Crane? - ANSLoad Radius Increases.
Extended Crawlers Will? - ANSIncrease over the side capacity.
Greatest Ground Pressure Exerted By Crane? - ANSOver rear corner (outriggers)
Corners (crawlers)
Least Exerted Ground Pressure By Crane? - ANSOver side (both outrigger and crawler)
Greatest Crane Lifting Capacity? - ANSRear (outriggers and crawlers)
Distance from Excavations? - ANS1.5 ratio, I.E 10' Deep Excavation
questions and answers
ASME B30.5 - ANSMobile and Locomotive cranes, all types
ASME B30.3 - ANSTower Cranes
ASME B30.23 - ANSPersonel Lifting Regs
OSHA 29 CFR 1926.1400 Series - ANSCranes & Derrick's used in Construction regs.
Rotation Resistant Wire Rope - ANS2 randomly broken wires in 6 diameters.
4 randomly broken wires in 30 diameters.
Safety factor 5.0
Safety factor personel lifts 10-1
ASME B30.9 - ANSSlings
Personel Platforms
ASME B30.23 - ANSMaximum Wind 15mph
Cranes capacity not exceed 50%
Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment.
Wire Rope Safety Factor 7-1, Rotation Resistant 10-1
Sling eyes must have thimbles.
Load test platform 125% / 5 minutes before use.
Frequent + daily inspection.
100' per minute lower speed.
Gate must Open Inward.
OSHA 29 CFR 1926.1402
Ground Conditions - ANSGround must be firm, graded and drained.
Warn Operator of Locations of Hazards.
, Outriggers + Dunnage - ANSPads should be Secured To Outriggers.
Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including
rigging.
Fully extended, tires off ground. Free of Crane weight.
If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for
partially extended.
Outrigger Pads Must be 90° angle to cylinder.
Mats and Blocking used to distribute bearing pressure.
Never block under outrigger beams.
Truck crane pick over front require front outrigger load chart.
Spans and gapped blocking fails at 50% load and destroys pads.
Swing Clearance - ANSSwing clearance must be barricaded. (2' outside swing radius)
Best Leveling Surface On Crane? - ANSUpper works.
Cranes 3° out of level will? - ANSDecrease capacity by as much as 50%.
Plus add to excessive boom side loading and sheeve wear.
Level not to exceed <1°
When Swinging Unlevel Crane? - ANSLoad Radius Increases.
Extended Crawlers Will? - ANSIncrease over the side capacity.
Greatest Ground Pressure Exerted By Crane? - ANSOver rear corner (outriggers)
Corners (crawlers)
Least Exerted Ground Pressure By Crane? - ANSOver side (both outrigger and crawler)
Greatest Crane Lifting Capacity? - ANSRear (outriggers and crawlers)
Distance from Excavations? - ANS1.5 ratio, I.E 10' Deep Excavation
