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- OFFERED BY:
- CH BULL CO
- SOUTH SAN FRANCISCO, CA
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- ANDY BULL
- President
- C. H. Bull Company
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- Unrestrained falls from 10’ kill or disable 4 out of 5 victims
- Unrestrained falls from 11’ kill 4 out of 5
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- Elapsed Distance Velocity Speed MPH Force at
- Time of fall Ft. per second
impact
- .25 1 Ft 8 5.5 400 Lbs
- .50 4 Ft 16 11 1600 Lbs
- .61 6 Ft 20 14 2400 Lbs
- .75 9 Ft 24 16 3600 Lbs
- 1.0 16 Ft 32 22 6400 Lbs
- 1.25 25 Ft 40 27 10,000 Lbs
- 1.5 36 Ft 48 33 14,000 Lbs
- 1.75 49 Ft 56 38 19,600 Lbs
- *calculations based upon a 200 pound worker including tools.
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- 101,500 Deaths in the work place (2003)
- 116,385 Deaths in the work place 1969 (highest)
- 86,777 Deaths in the work place 1992 (lowest)
- In 2003 there were 16,200 deaths due to falls
- Just a note every 5 minutes there is a fatal accident and every 1.6
seconds a disabling injury occurs.
This had a cost of $607.7
billion. If we
took out motor vehicle
accidents, falls are the #1 cause of death in the workplace. (Statistics
are quoted from the National Safety Council)
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- Falls from heights
- Confined spaces
- Lift equipment
- Scaffolds
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- Don’t go there
- Build a work platform
- Implement a personal fall arrest system
- Use alternative means
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8
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- A series of steps taken to reasonably lessen or eliminate the risk of
falling in the work place
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- Is it Equipment?
- Is it Planning?
- Is it a Culture change?
- It is all of the above
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- Employers have the GENERAL DUTY to provide a safe, healthy workplace
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- State or federal standards
- Manufacturer notices, warnings, instructions
- Employer safety policy
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- Know application limits
- Regulations
- Able to “solve and resolve” problems
- Have authority to take necessary actions
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- Degree or certificate of competency
- Vast experience
- Skill necessary to “solve and resolve” technical problems
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- Must be in place when the risk is present
- Must limit impact loads on the victim
- Must ACTUALLY work in the environment in which they are used
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16
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- Confusing Scenario
- Push around lift
- Scissor lift
- Boom lift
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17
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- Working surface
- Not required by OSHA
- Could be required by some companies
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18
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- Must be “tied off”
- 29CFR1910.67(c)(2)(v) A full body harness shall be worn and a lanyard
attached to the boom or basket when working from an aerial lift.
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- Leading edge has 4’ exposure will a 6’ lanyard and body harness work?
- Fall protection plans are acceptable alternative
- Very restrictive
- Very specific
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- Require clear statement that “conventional” fall protection “is
impractical or creates a greater hazard.”
- Must clearly identify why conventional systems are not appropriate
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- Where it is to be implemented
- Who is responsible for implementation
- A qualified person must approve the plan and any changes
- The plan must be maintained on site
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- Title 8§1671.1(a)(9) requires controlled access zones and safety
monitoring when “no other alternatives measure has been implemented….”
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- Control line set not less than 6’ nor more than 25’ from unprotected or
leading edge
- Set with lowest point no less than 39” nor more than 45” above the
working level
- Must be clearly marked at not more than 6’ intervals
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- Safety monitor must be competent person
- Must always be in communication with employees being monitored
- Monitor should have no other responsibilities diverting attention
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25
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- A - anchorage
- B - full body harness
- C - connectors
- D – devices
- R - rescue
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- Basic - most common alternative
- Engineered - meets 2:1 safety factor
- Most common errors
- Assume anchor point is strong
enough
- Somebody else tied off to
this anchor point
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- 5,000 lbs
- 3,000 lbs
- How about a rule of thumb?
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- Ford F-250 Extended Cab
- 2 WD
- 5,058 lb.
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- The only acceptable device for use in a fall arrest situation
- Spreads load to minimize injuries
- OSHA allows 1,800 pound impact load
- ANSI Z359.1-1992 limits impact to 1800 pounds
- Positions victim for rescue
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- General use
- Specialized
- Rescue, Climbing
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- Legs closed tightly
- Sub pelvic strap correctly positioned
- D-ring positioned between shoulders
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- Webbing okay?
- No burns, tears, discoloration
- Hardware okay?
- Properly positioned
- No cracks
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- Must be double locking
- Must be compatible
- Must be inspected prior to each use
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- Must absorb the energy built up during a fall
- Must control energy imparted on both victim and anchor point
- All get longer under load
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- Rip stitch
- “Woof material”
- Tearing
- Self retracting lifelines
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- Webbing undamaged?
- Hardware functional?
- Shock absorber okay?
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- Contact with lower levels, dangerous equipment
- Swings into structures
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- Lanyard length + shock absorber length + victim height + elongation =
REQUIRED CLEAR SPACE
- 6’ + 6’ + 42” + 1’ = >16’
- Do you have this much distance?
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- 10% equipment
- 90% rigging
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- Anchor set as high as possible
- Lanyard attached properly to harness
- Shock absorber clipped to back d-ring
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- Must be positioned over work area
- Minimize swing fall potential if you practice the 30 degree rule
- Cuts anchor requirement
- 3,000 lbs.... Vs. 5,000 lbs..
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- Title 8 Sec 1670 (19) requires that PFAS “shall be inspected not less
than twice annually” by a competent person
- Inspection date must be documented
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- Most falls are self rescued
- If rescue is required it
- Must be timely, per OSHA
- Must be within 15 minutes, per ANSI
- Must be part of the plan
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- Even if you were born to do a job, it doesn't necessarily mean that
you're going to automatically do it safely.…
You know what you're doing, its what you've been trained to do
your whole life. Nothing could possibly go wrong, right???
- Think again!
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45
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- It starts right now. Remember
knowledge is not power, it is what you do with what you know that gives
you power
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