OSHA
Who must agree on voice signals before operations begin?
The operator, signal person, and lift director on the project
Jib capacity is based on:
Structural Competency
When is it ok to remove pins that under tension
NEVER
What can be done to level a crawler crane
Use Mats under the tracks
For not rotation rope, how many broken wires in one strand of one lay before needing to replace?
2
Who is responsible for ensuring that ground conditions meet safety requirements before crane assembly or use?
The controlling entity
Main boom angle minus Jib offset
What is Span Blocking
Leaving gaps in the cribbing
All hazards and ground conditions should be discussed..
At the Pre-life inspection meeting
Design factor for the rigging when lifting personnel
5
Under 1926.1405, when must pins in pendants be removed?
To determine Gross Load
Get accurate load weight
Who is responsible for ensuring adequate ground conditions before starting any A/D work
Employer or Controlling Entity
Ground conditions must be..
Firm, Drained and Graded
Broken wires for Standing ropes, not allowed
2
What type of training must workers receive regarding power line safety?
Hands-on training on the dangers of electrical contact
When the layers on a winch increase..
the allowable line pull decreases
Who is responsible for following Manufacturers procedures when disassembling a crane
A/D director
When conducting a lift with a long boom lattice at maximum angle with soft ground, how would you position the crane for the lift?
Picking over the side
IWRC design factor when hoisting personnel
7
Who has the responsibility of ensuring that power line voltage information is obtained?
The Employer
When is the gross capacity not to be considered
When the line pull is less than the chart capacity
A pin-connected lattice boom is being dismantled. After connecting the equalizer (bridle) to the connecting lugs on the boom, which boom connecting pins should be removed first?
Lower connection pins, located at and ahead of the equalizer
When traveling with a short boom lattice, ascending up a grade. What position should the boom be facing?
Up hill at a safe boom angle
18x19 rope, how many broken wires before needing to be replaced
4 per 30 diameters