4 in 12 Flashcards
of the 796 fatal falls in 2013 how many were from roofs
284
If you must go on a rooftop for any period of time, there are three requirements that apply 100% of the time
- Contact your supervisor
- Complete a rooftop permit and have it signed by a trained supervisor
- Supervisor must be on site for the duration of the job
The top of any building that is six (6) feet or higher from the ground or lower structure, including all residential, commercial and municipal buildings.
Rooftop
Fall Protection Systems
- Personal Fall Restraint System
- Personal Fall Arrest System
- Guardrail System
- Safety Net System
- Parapet
Equipment used to arrest falls of employees that consists of an anchorage point, connecting equipment (lanyard) and body harness. Employees utilizing this system must wear a body harness with a shock absorbing lanyard, locking type snaphook and an independent anchorage device capable of supporting 5,000 pounds
Personal fall arrest system
This system is often referred to as “the dog leash
Personal fall restraint system
This is the most common type of rooftop fall protection system utilized at Comcast
Personal fall restraint system
The anchorage point must be capable of supporting two (2) times the weight of the employee and equipment
Personal fall restraint system
anchorage point capable of supporting 5000 pounds
personal fall arrest system
some areas require this to be completed and signed by a trained supervisor prior to work being done
rooftop work permit
at what working height do you need fall protection
6’
what’s a low slope roof
one with a pitch that is less than or equal to 4 in 12
what’s a steep slope roof
one with a pitch greater than 4 in 12
tool used to measure slope of roof
inclinometer, or pitch gauge app in iOS device
a roof that has no pitch
a flat roof
Performing work on a flat roof within 15 feet from the edge of the roof requires
1.Contact supervisor prior to going onto roof.
2.Supervisor must be on site prior to going onto roof.
3.Supervisor must complete rooftop permit prior to going onto roof.
4.Must use one of the following fall protection systems:
•Personal Fall Restraint System (dog leash)
•Parapet (greater than 42 inches)
•Guard Rail System
•Personal Fall Arrest System
•Safety Net System
5.Evaluate for any other hazards such as holes, openings and skylights.
fall protections to be used on a flat roof within 15 foot of the edge
- Personal Fall Restraint System (dog leash)
- Parapet (greater than 42 inches)
- Guard Rail System
- Personal Fall Arrest System
- Safety Net System
Performing work on a flat roof greater than 15 feet from the edge of the roof
- Contact supervisor prior to going onto roof
- Supervisor must be on site prior to going onto roof
- Supervisor must complete rooftop permit prior to going onto roof
- Additional fall protection is not required as long as all of the work activity takes place at least 15 feet from the edge of the roof.
height of guardrails should be
39”-45”
safety nets must be no more than how far from working hieght
30’
warning lines must be erected at least how far from edge of roof
6’
what is a safety monitoring system
simply a person that is on the roof with you to make sure you do not get too close to the roof’s edge
where are safety monitoring systems alone not permitted
when the width of the roof is more than 50’
Safety Monitor Requirements
- Shall be competent to recognize fall hazards
- Shall warn the technician when it appears the technician is unaware of a fall hazard or is acting in an unsafe manner
- Shall be on the same surface and within visual sighting distance of the technician
- Must be close enough to communicate orally with the technician
- Shall not have other responsibilities
A protective wall along the edge of a roof designed to protect employees from falling to a lower level
a parapet
A parapet must be capable of withstanding a force of
at least 200lb
A parapet must have a height of at least
42”
a personal fall arrest system consists of
an anchor point, connectors, or body harness and may include a lanyard, deceleration device, lifeline, or suitable combination of these
•The system must be rigged so that a technician neither
free-falls more than 6 feet nor contacts a lower level.
•The system’s D-ring attachment point for body harnesses shall be
in the center of the technician’s back near the shoulder level.
a person without protection will free fall
4 feet in 1/2 second and 16 feet in 1 second
rope grab direction arrow points this way
towards anchor point.
this is used to secure your harness to an point such as commercial air conditioner or some other solid structure
anchor strap
anchor point for fall arrest system must be capable of supporting
5000lb
•Anchor points for Fall Restraint Systems must be capable of supporting
two (2) times weight of the employee and the equipment attached
if you tie off to your vehicle what must you make sure of
you have the keys
what not to tie off to
anything not bolted down, sheet metal vents items/devices, adjustable pipes or vents, anything less than 3” in diameter, any PVC pipes
how much higher must the ladder be for roof access
minimum of 3 rungs (3”) past the height of the roof
When such an extension is not possible because of the ladder’s length you need to
secure the ladder at the top to a rigid support that will not deflect, and a grab rail shall be provided to aid in mounting and dismounting the ladder.
in no case shall the extension be such that
ladder deflection under a load would by itself cause the ladder to slip of its support
unprotected sides and edges
Osha 1926.501 (b)(1)
roofing work on low slope roofs
Osha 1926.501(b)(11)
working on steep roofs
Osha 1926.501(b)(12)
guardrail system
Osha 1926.502(b)(1)
safety nets
Osha 1926.502(c)(1)
