First, read the OSH Act of 1970.Next, review the proposed rule change for fall protection and walking-working surfaces. Research accidents that include walking and working surfaces and fall protection in 29 CFR 1910 (OHSA'smost frequently cited would be a good place to start your search https://www.osha.gov/pls/imis/industryprofile.html). Then, a general industry company and produce a letter or memo from that company Health and Safety Manager's perspective on how this would affect the company.

https://www.osha.gov/as/opa/proposed-rulemaking-factsheet.html

https://www.osha.gov/walking-working-surfaces/