Standards or Regulations

Here's a list of all of the standards referenced in a safety topic:

OSHA 1926.500(b) A hole is a gap 2 inches or more in a floor, roof or other walking/working surface.

https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.500

Floor Holes B, Construction

Construction
V1-09B
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Floor Holes, Construction, Fast

Construction
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Floor Holes A, Construction

Construction
V1-09
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