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MR Exercise #79 Rigging Review

Author: Mark McGregor
Across
Recommended safe bridle hitch angle
The only thing the 3rd leg in a bridle hitch is good for
Alberta OHS applies this organization's rigging standards
The part of a non-rotating rope that can slip in a tight bend
Type of rigging beam used to lift long loads
H/L ratio used when calculating capacity of hitch with unequal legs
Replace wire rope when outer wire wear exceeds this much
Factor used to calculate sling tension must always add up to one
The only type of eye-bolt permitted for angular pulls
The first word in IWRC
Type of sling not allowed in manbasket work
A preferred alternative to hand signal
Used to measure wire rope stretch (two words)
Must know the location of this when calculating sling tension
The basket hitch is better at this than a choke hitch
Alberta rigging laws are found in this Part of the OHS
Down
Type of oil used to lubricate a wire rope
Safety Factor for a non-rotational cable
All sharp edges should apply these
Lack of lubrication causes this in a wire rope
Better load distribution from this type of strands in a rope
Alternative to Lacing
The type of advantage a block provides
When calculating rigging capacities, this factor is applied for estimation
The type of force that causes a tension increase in a bridle when the angle decreases
Who can give a stop signal
Percentage of crane capacity reduction for manbasket work
The type of lay where wires and strands rotate in the same direction
Another term for Overhaul Ball
Minimum number of full cable wraps on a drum required unless specified by crane manufacture found in OHS AB