Warning line safety monitors.
Roof safety wind.
1 3 5 design pressure coefficients for roof zones.
Roof holes unguarded skylights and poorly covered holes.
The occupational safety and health administration normally considers winds exceeding 64 4 kilometers per hour 40 miles per hour or 48 3 kilometers per hour 30 miles per hour if the work involves material handling as meeting.
Preparing for high winds.
Note to the definition of high wind.
Roofing safety all employers in the construction industry must have a safety program.
Exterior egress beyond ladders staff should exercise situation awareness when accessing the roof via hatches elevators penthouse doors scaffolding or power equipment such as scissor lifts and aerial work platforms says brad richardson a certified safety professional and director of environmental health and safety for d.
Weather conditions ice snow and wind are always a hazard on a roof if the shingles or other surfaces are slippery.
Roof design wind pressures are determined using the wind speeds at the mean roof height of the building i e average of the eave and ridge heights.
Eliminating mitigating hazards related to high winds eliminate the hazards by stopping a work task that poses a hazard due to wind conditions i e roof work lifting operations.
Roofing safety talks.
Jobs involving aerial lifts cranes and sheathing materials must be properly evaluated with wind conditions.
A high wind warning is issued when sustained winds of 40 mph or greater or gusts to 58 mph or greater are expected.
Membrane roofs are especially slippery in wet conditions and should be avoided under these circumstances.
For buildings with low slope roofs less than 2 12 slope the wind speed at eave height is used.
The occupational safety and health administration normally considers winds exceeding 64 4 kilometers per hour 40 miles per hour or 48 3 kilometers per hour 30 miles per hour if the work involves material handling as meeting this criteria unless the employer takes precautions to protect employees.
Weather conditions such as wind and rain for example being blown over the edge or slipping on a wet roof surface trip hazards for example roof components and protrusions and overbalancing or losing grip on steep pitched or sloping roofs.