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BCM 457 Exam 2
Terms in this set (90)
What is the most common OSHA Violation when it comes to material handling
Rigging Equipment Inspection and Removal
What are the number 1 cause of worker compensation claims
What is the maximum height lumber piles should be when handled mechanically
What is the maximum height lumber piles should be when handled manually
When should rigging equipment be inspected
prior to use on each shift
Which type of hitch is the weakest between Vertical, choker, and basket.
Which type of hitch is the strongest between Vertical, choker, and basket.
Can custom design rigging be used?
Yes, if proof tested to 125%
What percent of broken wires requires that the ropes do not be used?
at least 10%
When using a U-bolt what section should be in contact with the dead end of the rope?
The U section
How many clips and what spacing is required for a 5/8" diameter wire rope?
3 clips at 3'-3/4" spacing
When disposing material by dropping it 20 ft or more what is required?
An enclosed chute
Hand and Power Tools
When should power tools be inspected?
What is the most common hazard of Electricity
What percent of construction fatalities does electrocution make up?
What does the severity of the shock depend on?
Path of the current
Amount of current
Duration the current is in circuit
What is the minimum distance you should be from power lines?
How long does it take for a GFCI to open a circuit
1/40th of a second
At what leakage will a GFCI open a circuit?
How often should electrical cords and tools be tested?
At least every 3 months
How often should electrical receptacles be tested?
at least every 6 months
What usage should flexible cords be designed for?
Hard or extra hard
What is an S type of Flexible cord?
What is a T type of Flexible cord?
What is an O type of Flexible cord?
What should you do when working on an electrical system?
Place a tag on the system so others know you are working on it
When shutting down an electrical system you should what?
Lock out and tag out.
What weight does supported scaffolding need to be able to support?
Its own weight plus 4x the maximum load.
What height to width ratio is scaffolding required to follow?
What distance can platforms be spaced on scaffolding?
No more than 1"
What is the minimum width platforms and walkways can be on scaffolding?
What is the minimum overhang for platforms on scaffolding?
What is the maximum over hang for boards less than 10' on scaffolding?
What is the maximum overhang for boards greater than 10' on scaffolding?
What is the minimum over lap for all boards on scaffolding?
What is the maximum distance scaffolding can be from the work?
What type of wood is to be used as scaffolding platforms?
Solid Sawn Wood
Why cant 2x10s be used in scaffolding?
It is only 2/3 as strong as scaffold grate lumber
What is the rated load capacity for light duty scaffolding?
25 lbs per sq ft
What is the rated load capacity for medium duty scaffolding?
50 lbs per sq ft
What is the rated load capacity for heavy duty scaffolding?
75 lbs per sq ft
Can different manufacturers be intermixed in scaffolding?
Yes, only if they fit together easily
What is the minimum distance in height in scaffolding that requires ladders to be used?
What is the minimum height employees need fall protection?
What is the maximum angle employees should be working from the anchor point?
After what distance should employees be brought to a complete stop by their harness?
What weight should anchorages be able to support?
What does A stand for in the ABC's of fall protection?
What does B stand for in the ABC's of fall protection?
What does C stand for in the ABC's of fall protection?
What does D stand for in the ABC's of fall protection?
How often should you inspect your harness?
Before use every time
What is the maximum weight an employee can be to be safe with fall protection? (Including tools and clothes)
What is the maximum arresting force?
What height should the top rail of a guard rail be?
42" plus or minus 3"
How much weight should the top rail of a guard rail be able to support?
How much weight should the mid rail of a guard rail be able to support?
How much weight should the toe board of a guard rail be able to support?
How tall should a toe board should be on a guard rail?
How often should wire rope used for a top rail of a guard rail be placed?
every 6 ft
How wide should a wire rope be if used for a top rail of a guard rail?
1/4" in diameter
What should be used when there are holes in a roof people are working on?
A guard rail or a cover
What type a boards should be used for a top rail and posts of a guard rail?
What type of boards should be used for a mid rail of a guard rail?
What diameter should pipe rails be when used in a guard rail?
1.5" in diameter
What dimensions should a structural steel rail be when used in a guard rail?
What distance should warning lines be place on a roof when mechanical equipment is not being used?
What distance should warning lines be place on a roof when mechanical equipment is being used?
What is the minimum height should warning line ropes should be when sagging?
What is the maximum height warning line ropes should be?
What is the only time employees should be outside of the warning line?
When doing work
What does the safety monitor do?
Watches the workers and warns them when they recognize a hazard
What is the maximum distance safety nets can be installed underneath the floor being worked on?
If a safety net is less than 5 ft under the workspace, how wide should it be?
If a safety net is 5-10 ft under the workspace, how wide should it be?
If a safety net is greater than 10 ft under the workspace, how wide should it be?
When should safety nets be tested?
before use and every 6 months
What should be used to test safety nets?
a 400 lb bag of sand
How often should safety nets be inspected?
Weekly and after each occurence that could effect the integrity of the work.
What is the minimum depth of a trench required slope, shore, or bench?
How often should excavations be inspected?
Daily and after each rainstorm
What is a trench?
Anytime the depth of an excavation is greater than the width up to 15 ft
How much does one cubic ft of soil weight?
How much does one cubic yard of soil weight?
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