The best solution and the simplest is to install roof edge guard railing around the trouble spots to eliminate the fall hazard completely.
Osha roof safety rail requirements.
1910 29 b 1 the top edge height of top rails or equivalent guardrail system members are 42 inches 107 cm plus or minus 3 inches 8 cm above the walking working surface.
Keeguard roof railing exceeds this requirement and has the testing documents to prove it.
Osha requires that workers exposed to a fall hazard must have fall protection.
The criteria and practices requirements for guardrail systems on scaffolds are contained in 29 cfr part 1926.
Or on roofs 50 feet 15 25 m or less in width the use of a safety monitoring system alone is permitted 29 cfr 1926 501 b 10.
The safety monitor is always a competent person 29 cfr 1926 500 b.
1910 29 b 3 osha requires that guardrail systems must be able to withstand a force of at least 200 lbs of point load without failure.
1926 502 c 7 the maximum size of each safety net mesh opening shall not exceed 36 square inches 230 cm nor be longer than 6 inches 15 cm on any side and the opening measured center to center of mesh ropes or webbing shall not be longer than 6 inches 15 cm.
Manila or synthetic rope used for top rails or midrails are inspected as necessary to ensure that the rope continues to meet the strength requirements in paragraphs b 3 and 5 of this section.
All mesh crossings shall be secured to prevent enlargement of the mesh opening.
Industry standard says that protection must be in place for anyone working within 15 feet of the roof edge.
Note to paragraph b of this section.