How to measure a Parapet | OSHA, Fall Protection Training, Workplace Accidents, Safety, Roofing

How to measure a Parapet | OSHA, Fall Protection Training, Workplace Accidents, Safety, Roofing


Matt: A parapet wall is part of that structural
design of the building. It used to be that as long as your parapet
wall had a height of 30 inches and a maximum of 18, to give you 48, you could do that. Or, it could be 36 and 12, or 35 and 13. Now, OSHA is requiring a height of a nominal
of 42 inches, plus or minus 3 inches, is the allowance they give. So, that nominal height of 42 inches now is
the standard; you cannot count the width of the wall anymore in your measurement for your
parapet wall for safety. As long as that parapet wall reaches the nominal
height of 42 inches, then that will count as your fall
protection, and you don’t have to wear the harness, or you don’t have to have a tie off
anchor, and you don’t have to have a warning line, if your parapet wall reaches that nominal
height to 42 inches. If you have a parapet wall and the height
is only 30 inches, you’re not tall enough to meet that nominal of 42. Then, you have a few different options. You can have a six-foot warning line, which
is set back six feet from the edge of the wall,
and it has to be flags, rope, marking that area to give you that warning line. If you’re going to work beyond that, then
you have to either have fall protection in place, or you can work with a safety monitor,
as long as that area is marked off in a 50 by 50 foot area. You can’t just have a huge area and have the
safety monitor walking along. Now, the safety monitor cannot have any tools
in his hand, can’t be carrying any equipment. We typically have our safety monitor wear
a different colored vest so that they stand out. The policy for our company is we have one
safety monitor to two workers; and that safety monitor doesn’t do anything except watch those
two employees work. They have to be within shouting distance,
and they have to be eyesight. Again, that falls in that 50 by 50 area to
work in.

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