fall prevention
TRANSCRIPT
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FALL protection
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Falls from heights are a leading cause of workplace fatalities in the
construction industry accounting for approximately 33% of all workplace fatalities
Fall injuries that don’t result in death are often disabling
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Three major components in dealing with accidents due to fall in construction:
1. Fall arrest system2. Ladder safety3. Scaffold safety
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All employees shall be protected from fall of six feet or more by the use of an approved fall protection system
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working near openings or edges
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working on a scaffolding and ladder
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work on machinery, equipment
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Working at an elevated level
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• failure to recognize the hazard a. messy, cluttered work areas b. poor visibility c. failure to use handrails when going up or down the stairs d. wearing shoes that are not appropriate for the work space
• untrained workers and lack of supervision
• failure to use appropriate equipment
• failure to provide safe systems of work - supervision - instruction and knowledge - equipment inspection
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FIGURE A FIGURE B
PRIMARY FALL PREVENTION SYSTEM SECONDARY FALL PREVENTION SYSTEM
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FIGURE A FIGURE B
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Guardrail systemGuardrail system
Top Rail
Mid Rail
Walking/Working Surface
200 lbs
150 lbs
50 lbs
42”+/- 3”
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GUARDRAIL SYSTEM: ROOFWORKGUARDRAIL SYSTEM: ROOFWORK
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GUARDRAIL SYSTEM: Leading EdgeGUARDRAIL SYSTEM: Leading EdgeGUARDRAIL SYSTEM: Leading EdgeGUARDRAIL SYSTEM: Leading Edge
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Ladderway/Stairway Openings
Shall be guarded on ALL exposed sides by railing and toe boards in a manner that a person cannot pass through it, except at the entrance to the opening.
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Provision of safety nets
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Covers must be able to support at least twice the weight of employees, equipment, and materials that may be imposed on the cover at any one time. To prevent accidental displacement resulting from wind, equipment, or workers' activities, all covers must be secured. All covers shall be color coded or bear the markings "HOLE" or "COVER."
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Fall Arrest System:
Limits free fall to six feet which reduces force by decreasing fall distance
Consists of: Lanyard Anchorage Point Full Body Harness
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Lanyard
A device made of rope, wire or nylon strap used to tether the individual to an anchorage point and stop the individual in the event of a fall.
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LanyardsLanyardsLanyardsLanyards
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Automatically limit free-fall distance to less than two feet
Be capable of sustaining a minimum tensile load of 3,000 lbs when fully extended
Self-retracting lifelines andLanyards shall:
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Self-retracting lifelines AND LANYARD
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1. Be inspected prior to use
2. Have a minimum breaking strength of 5,000 lbs
1. Be inspected prior to use
2. Have a minimum breaking strength of 5,000 lbs
Lanyards shall:
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Notes in the Usage of Lanyards
3. Avoid rubbing from sharp objects/edges
4. Never attach where there is a possibility of disengagement
5. Make sure it is short enough for you not to hit the ground in the event of fall
6. Always use double locking system FOR SNAPHOOKS
7. Anchor point must be above the head as much as possible to avoid swing in the event of fall
8. Do not loop to anchorage, use adaptor
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adaptor
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These durable, chemical resistant lanyards include an inner polyester core that stretches to reduce the arresting force in the event of a fall. The shock absorbing lanyards feature a deceleration distance of 42 inches or less.
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LifelineCan be composed of:
Vertical Horizontal depending on the condition and type of
job involved
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LifelineLifelineLifelineLifeline
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LifelineLifelineLifelineLifeline
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Notes in the Usage of Lifelines
1. Reduce sagging---it adds to height of free fall;
2. Anchored to rigid structure that could withstand 5000 lbs. force;
3. Not too tight that could lead to breakage;
4. Never hook more than one person to it without determining its capacity first.
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Anchorage Point
A secure point of attachmentfor lifelines, lanyards or deceleration devices.
Anchorage Point
A secure point of attachmentfor lifelines, lanyards or deceleration devices.
ANCHORAGE POINT MUST BE DIRECTLY ABOVE THE WORKER AND HIGH ENOUGH
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Or “Bottoming Out
Or else-
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Anchorage DeviceAnchorage DeviceAnchorage DeviceAnchorage Device
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Anchorage points used forattachment of personal fall arrest equipment shall be: Located at or above the
employee’s waist Capable of supporting more than
5,000 lbs per person Designed and built to hold the maximum force of
the fall arrest
Anchorage points used forattachment of personal fall arrest equipment shall be: Located at or above the
employee’s waist Capable of supporting more than
5,000 lbs per person Designed and built to hold the maximum force of
the fall arrest
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Full Body Harness:
The attachment point of a body harness is located in the center of the wearer’s back near shoulder level
Body belts are not allowed on site
Snaphooks shall be a double locking-type
Full Body Harness:
The attachment point of a body harness is located in the center of the wearer’s back near shoulder level
Body belts are not allowed on site
Snaphooks shall be a double locking-type
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Webbing Tie OffWebbing Tie OffWebbing Tie OffWebbing Tie Off
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Body HarnessBody HarnessBody HarnessBody Harness
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Snaphook / CarabinerSnaphook / CarabinerSnaphook / CarabinerSnaphook / Carabiner
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Donning and Doffing a Full Body
Harness
Donning and Doffing a Full Body
Harness
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after a fall arrest, equipment subjected to arresting a fall will be destroyed to ensure that it is not reused check for broken threads/fibers/stitches check for lost of diameter check metal parts for cracks and corrosion clean equipment after use with mild soft air dry equipment, do not hang in direct sunlight store equipment in a cool, dark, dry and well ventilated place inspect the equipment at least twice a year
Care for fall arrest devices:
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3 Factors to Consider
1. Use the right equipment
2. The equipment must be in perfect condition
3. You know how to use it
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Shall be used along the leading edge side of a roof work area
Shall be erected not less than six feet from the roof edge for parallel use, ten feet for perpendicular use
Shall consist of ropes, wires, or chains
General Requirements
Warning Lines
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parallel
perpendicular
parallel
perpendicular
10 ft.
10 ft.
6 ft.
6 ft.
warning lines
4
roof edge
Warning Lines
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Warning Lines
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Monitor
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MAINTAIN GOOD HOUSEKEEPING IN THE WORKPLACE
• keep work areas neat and tidy, putting tools, materials, and other items away after use
• report lighting problems, such as burned out bulbs, to maintenance right away
• hold on handrails while walking up or down the stair
• watch for changes in floor level – such as a few steps or a ramp up or down
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what about a rescue plan?what about a rescue plan?what about a rescue plan?what about a rescue plan?
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There are a hierarchy of measures required of the duty holders;
• To avoid work at height where they can.• To use work equipment or other measures to prevent falls where they cannot avoid work at height; and• Where they cannot eliminate the risk of a fall, use work equipment or other measures to minimise the distance and consequences of the fall.