1 telecom cabling ladder safety. 2 osha office of training & education ation telecom cabling...
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Telecom Cabling
Ladder safety
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OSHA Office of Training & Educationation
Telecom Cabling
Stairways and Ladders
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• Stairways and ladders cause many injuries and fatalities among construction workers
• About half the injuries caused by slips, trips and falls from ladders and stairways require time off the job
OSHA Office of Training & Education
Improper use of the top rung of a step ladder
Hazards
Telecom Cabling
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Slips, Trips and FallsOn Stairways and Ladders
At the end of this training, you should be able to list or describe:
Safety guidelines and requirements for stairways
used at a construction site
Safe practices and requirements for ladders
used at a construction siteOSHA Office of Training & Education
Telecom Cabling
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OSHA Office of Training & Education
There must be a stairway or ladder at points of access where there is an elevation break of 19 inches or more.
At least one point of access must be kept clear.
19 inches
Break in elevation
Stairway or LadderTelecom Cabling
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OSHA Office of Training & Education
Handrail vs. Stair rail
Stairrail HandrailSystem
Telecom Cabling
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OSHA Office of Training & Education
Rails must be able to withstand a force of 200 pounds
Handrail and Top Rail Strength
Telecom Cabling
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OSHA Office of Training & Education
HandrailsStairways with four or more risers, or higher than 30 inches, must be equipped with at least one handrail.
The stairway to this platform has more than 4 risers and is not guarded. The platform requires guarding.
Telecom Cabling
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OSHA Office of Training & Education
Stairways with four or more risers or more than 30 inches high must have a stair rail along each unprotected side or edge.
Stair rails
Telecom Cabling
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OSHA Office of Training & Education
Install between 30 and 50 degrees.
Must have uniform riser height and tread depth, with less than a 1/4-inch variation.
Uniform - 3
0 & 50 deg. angle
No more than 1/4 inch variation in any stairway system
StairsTelecom Cabling
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OSHA Office of Training & Education
Only use pan stairs if filled with filler material at least to the top edge of each pan.
Pan
Temporary StairwaysTelecom Cabling
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OSHA Office of Training & Education
Stairways landings must be at least 30 inches deep and 22 inches wide at every 12 feet or less of vertical rise
Unprotected sides of landings must have standard 42 inch guardrail systems
Stairway Landings
Landing
Telecom Cabling
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OSHA Office of Training & Education
Where doors or gates open directly on a stairway, provide a platform that extends at least 20 inches beyond the swing of the door.
Platforms and Swing Doors
Telecom Cabling
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OSHA Office of Training & Education
Dangerous Conditions
Fix slippery conditions before using.
Stairway parts must be free of projections which may cause injuries or snag clothing.
Telecom Cabling
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OSHA Office of Training & Education
LaddersTelecom Cabling
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OSHA Office of Training & Education
Ladders must be kept in a safe condition
-- DO – Keep the area around the top and bottom of a ladder clear
Ensure rungs, cleats, and steps are level and uniformly spaced
Ensure rungs are spaced 10 to 14 inches apart
Keep ladders free from slipping hazards
General Ladder RequirementsTelecom Cabling
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OSHA Office of Training & Education
Use ladders only for their designed purpose
-- DON’T – Tie ladders together to make longer sections, unless designed for such use
Use single rail ladders
Load ladders beyond the maximum load for which they were built, nor beyond the manufacturer’s rated capacity
General Ladder RequirementsTelecom Cabling
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Securing Ladders
• Secure ladders to prevent accidental movement due to workplace activity
• Only use ladders on stable and level surfaces, unless secured
• Do not use ladders on slippery surfaces unless secured or provided with slip-resistant feetOSHA Office of Training & Education
This ladder is not on a stable surface
Telecom Cabling
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OSHA Office of Training & Education
Inspect before use for cracks, dents, and missing rungs
Design or treat rungs to minimize slipping
Side rails -- at least 11 1/2 inches apart
Must support 4 times the maximum load
Portable LaddersTelecom Cabling
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OSHA Office of Training & Education
when ladders are the only way to enter or exit a working area with 25 or more employees when a ladder will serve simultaneous two-way traffic
Double - Cleated LadderUse a double-cleated ladder ( with center rail) or 2 or more ladders:
Telecom Cabling
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OSHA Office of Training & Education
Don’t paint laddersDon’t use an opaque covering (like varnish) on a wood ladder
Painting Wood Ladders
Telecom Cabling
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Ladder Angle Non-self-supporting ladders:
(which lean against a wall or other support)
Position at an angle where the horizontal distance from the top support to the foot of the ladder is 1/4 the working length of the ladder
OSHA Office of Training & Education
Telecom Cabling
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OSHA Office of Training & Education
When using a portable ladder for access to an upper landing surface, the side rails must extend at least 3 feet above the upper landing surface
Ladder Rail ExtensionTelecom Cabling
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Tall Fixed Ladder Requirements
Equip a fixed ladder 24 feet or longer with either a:
• Ladder safety device
• Self-retracting lifelines with rest platforms every 150 feet or less
• Cage or well, and multiple ladder sections, each section not exceeding 50 feet
OSHA Office of Training & Education
Telecom Cabling
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OSHA Office of Training & Education
Near Energized Electrical Equipment
If using ladders where the employee or the ladder could contact exposed energized electrical equipment, they must have nonconductive side rails such as wood or fiberglass.
This is an unsafe condition
Telecom Cabling
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OSHA Office of Training & Education
Do not use the top or top step of a stepladder as a step
Top Step
Telecom Cabling
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OSHA Office of Training & Education
Don’t use cross bracing on the rear of a stepladder for climbing - unless the ladder is designed for that
On this ladder the back rungs are designed for useCross bracing
Telecom Cabling
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OSHA Office of Training & Education
A competent person must inspect ladders for visible defects, like broken or missing rungs
If a defective ladder is found, immediately mark it defective or tag it "Do Not Use”
Withdraw defective ladders from service until repaired
Damaged or Defective Ladders
Missing rung
Telecom Cabling
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OSHA Office of Training & Education
Face the ladder when going up or down
Use at least one hand to grab the ladder when going up or down
Do not carry any object or load that could cause you to lose balance
Climbing the Ladder
Telecom Cabling
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OSHA Office of Training & Education
A competent person must train each employee in the following areas, as applicable:
• The nature of fall hazards in the work area
• The correct procedures for erecting, maintaining, and disassembling the fallprotection systems to be used
• The proper construction, use, placement, and care in handling of all stairways and ladders
• The maximum intended load-carrying capacities of ladders
TrainingTelecom Cabling
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OSHA Office of Training & Education
SummaryKey Components for Stairway Safety
• Treads• Rails handrails stair rails guardrails
• Landings and Platforms
Telecom Cabling
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OSHA Office of Training & Education
SummaryKey Components for Ladder Safety
• A competent person must inspect• Use the correct ladder for the job• Use the correct angle, supports, treads, cross braces and rails
• Don’t overload • Your employer must train you in proper use of a ladder
Telecom Cabling