Roof Safety Mesh Requirements

Safety mesh does not prevent falls from the edge of a roof or through unmeshed holes in a roof so.

Roof safety mesh requirements.

Appropriate lifting technique for long roof conforms to as nzs 4389 2015 roof safety mesh is installed by a competent person in a safe manner and in accordance with the manufacturer s instructions. Each safety net must be equipped with a border rope for webbing that maintains a minimum breaking strength of 5 000 pounds. Therefore safety mesh always needs to be used with appropriate edge protection guardrails or fall arrest systems and devices. Regarding safety net openings osha requires all openings to not exceed 36 square inches nor six inches on any side.

Safety mesh does not control the risk of falling from the perimeter or through penetration hazards. A position of mesh where roof safety mesh is required it shall be fitted under the roof sheeting so that it is supported by metal and or timber purlins rafters or roof members that are part of the roof structure. 9 2 position of roof safety mesh roof safety mesh shall be positioned in accordance with the following. For purlin spacing 1200 2200 mm fasteners to be fitted at maximum of 900 mm centres and minimum single lap.

9 installation requirements 9 1 general the installation of roof safety mesh shall comply with the requirements of clauses 9 2 and 9 3. If safety mesh is used ensure it. All mesh is to be lapped minimum of 150mm one square for purlins 2200 or greater to be lapped. Staging on the roof surface to spread the loads safety mesh secured under fragile roofing or skylights.