TOWER CRANE QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS
Which of the following OSHA regulations govern suspended personnel platforms?
OSHA 1926.1431
According to ASME B30.3 The prohibited zone for power lines that are 60 kV is
15 ft
According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of
5 to 1
According to ASME B30.3 when Lifting a suspended personnel platform design factor for the rigging
hardware is
5 to 1
According to ASME B30.3 Load hoist ropes that are not rotation resistant must have a design factor of
5 to 1
The OSHA construction standard for rigging equipment is
1926.251
According to ASME B30.3 on who's recommendations should a preventative maintenance program be
set up?
, Crane manufacturer
When using cable or nylon spreaders it is important to remember:
The lower the spreader angle the greater the tension
According to OSHA when testing a man basket how long must the test pick be maintained?
5 minutes
According to ASME B30.3 What is the minimum pitch diameter for load hoisting sheaves?
Not less than 18 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for load block sheaves?
Not less than 16 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for boom hoist sheaves?
Not less than 15 times rope diameter
According to OSHA when lifting personnel the cranes hook must be the type that
Can be closed and locked
According to OSHA when working over water with a man basket are the people inside required to
wear a belt/harness?
No harness or belt required
According to ASME B30.3 when working near powerlines where should caution stickers be installed?
Operator station and at the base of the crane
According to OSHA a frequent inspection is:
COMPLETE SOLUTIONS
Which of the following OSHA regulations govern suspended personnel platforms?
OSHA 1926.1431
According to ASME B30.3 The prohibited zone for power lines that are 60 kV is
15 ft
According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of
5 to 1
According to ASME B30.3 when Lifting a suspended personnel platform design factor for the rigging
hardware is
5 to 1
According to ASME B30.3 Load hoist ropes that are not rotation resistant must have a design factor of
5 to 1
The OSHA construction standard for rigging equipment is
1926.251
According to ASME B30.3 on who's recommendations should a preventative maintenance program be
set up?
, Crane manufacturer
When using cable or nylon spreaders it is important to remember:
The lower the spreader angle the greater the tension
According to OSHA when testing a man basket how long must the test pick be maintained?
5 minutes
According to ASME B30.3 What is the minimum pitch diameter for load hoisting sheaves?
Not less than 18 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for load block sheaves?
Not less than 16 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for boom hoist sheaves?
Not less than 15 times rope diameter
According to OSHA when lifting personnel the cranes hook must be the type that
Can be closed and locked
According to OSHA when working over water with a man basket are the people inside required to
wear a belt/harness?
No harness or belt required
According to ASME B30.3 when working near powerlines where should caution stickers be installed?
Operator station and at the base of the crane
According to OSHA a frequent inspection is:
