,Nccco Core + Specialty Test Prep.pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/Nccco%20Core
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.
8. OSHA 29 CFR 1926.1402
Ground Conditions: Ground must be firm, graded and drained.
Warn Operator of Locations of Hazards.
9. Outriggers + Dunnage: Pads 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
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,Nccco Core + Specialty Test Prep.pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/Nccco%20Core
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.
10. Swing Clearance: Swing clearance must be barricaded. (2' outside swing ra-
dius)
11. Best Leveling Surface On Crane?: Upper works.
12. Cranes 3° out of level will?: Decrease capacity by as much as 50%.
Plus add to excessive boom side loading and sheeve wear.
Level not to exceed <1°
13. When Swinging Unlevel Crane?: Load Radius Increases.
14. Extended Crawlers Will?: Increase over the side capacity.
15. Greatest Ground Pressure Exerted By Crane?: Over rear corner (outriggers)
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