Safety And Hoisting

Question 1

Who is required to develop a fall protection plan?

Answer 1

An Employer

Question 2

When must a fall protection plan be developed?

Answer 2

When someone could fall more then 3 meters and there is no Gaurd rail

Question 3

Who’s responsible is to to ensure you inspect your fall protection equipment?

Answer 3

The Employers

Question 4

Ladders:
- What Rungs are not to be used?
- Check that ladders are _________ before use.
- what ratio are extension ladders to be placed at?
- How high should a ladder extend above its landing point?
- how many points of contact should you have at all times?
- distance between each ladder rug

Answer 4

• top 2
• un damaged
• 4:1 (4 vertical to 1 horizontal)
• 1m above
• 3 points
• 12” (1 foot)

Question 5

Scaffolding part 1:
- Should be rated to hold ___times the weight that will be on it
- Guardrails are required on any platform that is _____ or higher
- must be between ______ and _____ above the platform and _____ way between top rail and platform

Answer 5

• 4 times the working limit
• required on any platform greater then 3m
• rails must be placed at about 0.97m and 1.07m and halfway between top rail and platform.

Question 6

Scaffolding Part 2:
- what is used to provide additional support to the feet?
- At what Hight must a toe bored be installed?
- When the high is greater then ____ times the base you must be _______
- At what point must it be anchored in vertical and horizontal distances? (hint 46)
- What is used to increase the smallest dimension on a scaffold?
- At what dimension is a worker aloud to remain on a scaffold well its being mover?

Answer 6

• Mud Sills
• 3.5m
• at 3 times and tired off
• 4.6m vertical and 6.4m horizontal
• Outriggers
• If the height is not more then 2 times the smallest dimension of the base

Question 7

Fall Arrest:
- At what distance from a edge must a life line stop you?
- At what height is a fall attest required?
- what wait must an anchor point be rated for?

Answer 7

• at 1 m
• above 3m
• 5000lbs

Question 8

Rigging:
- What is SWL
- Define Breaking Strength
- What are the Safety Factors for General lifting, lifting personal or hazardous material, and finally for elevators?
- How do you calculate SWL?

Answer 8

• Safe working Load
• the minimum load required to brake a component
• 5:1, 10:1, 20:1
• Breaking strength divided by safety factor

Question 9

Slings part 1
- slings can be purchased with ____ or ___ ends
- when an eye is made in a rope it maintains what % of its original strength? and when a thimble is added into the eye what % does it retain then?
- what is it called when a load receives a sudden movement
- where should a hook be in relation to center of gravity?

Answer 9

• Eye and Eye or Grommet (Endless)
• 50% and 80%
• Load Shock
• Centered on it

Question 10

Slings part 2:
- What is used when a Load has sharp edges?
- How do you know a Synthetic fiber sling is to damaged to use?
- At what % of damage is a chain sling not to be used?
- when using a Shackle where on it should the hook or sling be placed?

Answer 10

• Softeners
• Red fibers will be showing
• At 10% damage
• on the shackle its self NOT on the pin

Question 11

Rigging:
- What must be done when there are power lines present
- How far must you be from power lines in MB?
- What is the Maximum degree a sling fringe line may be at?
- What are the 2 types of shackles?
- What must every hook have on it for safety?
- Tag Lines are used for what? and what material are they not to be made out of?
-

Answer 11

• Call MB Hydro to have them turned off
• 10 Feet away
• 60 degrees
• Anchor and Chain
• Safety Latch
• Guiding the load from the ground, they must not be metallic

Question 12

Hand Signs for lifting:
- What does the Thumb indicate?
- What do your fingers indicate?
- how many signal persons should be used?

Answer 12

• Boom direction
• Load Direction
• ONLY 1

Question 13

Ropes/Knots/Hitches:
- What are Natural ropes made of?
- What are synthetic ropes made of?
- Knots maintains ___% OG strengths?
- Hitches Maintains ___% OG strength?

Answer 13

• Hemp, and Manila
• Nylon
• 50%
• 70%

Question 14

What are these Knots used for?
- Bowline
- Bowline on the bight
- Cats Paw
- Reef knot
- Sheet bend
- Clove hitch
- Show Shank

Answer 14

• Bowline: Never Jams, and easy to untie, used for lifting
• Bowline on the bight: Same as prior but is specific for lifting people out of trenches
• Cats Paw: Attach rope to hook
• Reef knot: Ties two same diameter ropes together
• Sheet bend: ties two different diameter ropes together
• Clove hitch: used to tie a rope to a pipe/post
• Show Shank: used to shorten rope