OSHA 500 Construction Trainer ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
3 major types of rigging hazards falls
struck by
electric
materials handling aparatus in rigging (3) wire ropes
chains
synthetic (web) slings
inspections (how often and by whom) prior to each use by a competent person
rigging restrictions for wire rope less than 10% broken wires in 8 diameter
requirements for special custom-designed accessories in proof test of 125%
relation to safe working loads for rigging (2) safe load marked
, 4 causes of crane accidents instability
no communication
no training
inadequate maintenance/ inspections
when and by whom must crane inspections be modified: qualified person
performed post-assembly: qualified person
(5) Annual: qualified
shift: competent
monthly: competent
If the ability to transmit signals between crane operator work is stopped until signal resumes
and signal person is interrupted what happens
How are workers prevented from entering and area training
where they may be struck/crushed by a crane's rotating maintain barriers/control lines
superstructure? (4) signage
mark equipment
minimum clearance for power lines <50 kV: 10 '
50kV - 200 kV : 15'
200 kV - 350 kV: 20'
350 kV - 500 Kv : 25'
unknown: 20 kV
Who needs proper certifications, qualifications, training 1. signal spotter
when working around cranes (4) 2. crane operator
3. rigger
4. maintenance/repair
5 motor vehicle, mechanized equipment, marine unexpected/confusing situations
operations hazards obstructions
diverted attention
exposed workers
improper temporary traffic control set-up
frequent PIT accidents (7) tip over
struck by PIT
struck by falling load
falling off truck
driving off loading dock
improper maintenance
driver losing control
ANSWERS
3 major types of rigging hazards falls
struck by
electric
materials handling aparatus in rigging (3) wire ropes
chains
synthetic (web) slings
inspections (how often and by whom) prior to each use by a competent person
rigging restrictions for wire rope less than 10% broken wires in 8 diameter
requirements for special custom-designed accessories in proof test of 125%
relation to safe working loads for rigging (2) safe load marked
, 4 causes of crane accidents instability
no communication
no training
inadequate maintenance/ inspections
when and by whom must crane inspections be modified: qualified person
performed post-assembly: qualified person
(5) Annual: qualified
shift: competent
monthly: competent
If the ability to transmit signals between crane operator work is stopped until signal resumes
and signal person is interrupted what happens
How are workers prevented from entering and area training
where they may be struck/crushed by a crane's rotating maintain barriers/control lines
superstructure? (4) signage
mark equipment
minimum clearance for power lines <50 kV: 10 '
50kV - 200 kV : 15'
200 kV - 350 kV: 20'
350 kV - 500 Kv : 25'
unknown: 20 kV
Who needs proper certifications, qualifications, training 1. signal spotter
when working around cranes (4) 2. crane operator
3. rigger
4. maintenance/repair
5 motor vehicle, mechanized equipment, marine unexpected/confusing situations
operations hazards obstructions
diverted attention
exposed workers
improper temporary traffic control set-up
frequent PIT accidents (7) tip over
struck by PIT
struck by falling load
falling off truck
driving off loading dock
improper maintenance
driver losing control
