Roof Safety Mesh Requirements

9 installation requirements 9 1 general the installation of roof safety mesh shall comply with the requirements of clauses 9 2 and 9 3.

Roof safety mesh requirements.

Each safety net must be equipped with a border rope for webbing that maintains a minimum breaking strength of 5 000 pounds. Regarding safety net openings osha requires all openings to not exceed 36 square inches nor six inches on any side. 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. If safety mesh is used ensure it.

For purlin spacing 1200 2200 mm fasteners to be fitted at maximum of 900 mm centres and minimum single lap. Therefore safety mesh always needs to be used with appropriate edge protection guardrails or fall arrest systems and devices. Safety mesh does not control the risk of falling from the perimeter or through penetration hazards. Longitudinal wire must face down with the cross wires facing up all longitudinal wires need to be wrapped around or through drilled holes in the purlins and tied off with a minimum of.

In order to better understand safety mesh please see the terms of roof safety mesh. 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. Staging on the roof surface to spread the loads safety mesh secured under fragile roofing or skylights. For purlin spacing greater than 2200 mm fasteners to be fitted at maximum 600 mm centres and minimum double lap.