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.
Roof safety mesh regulations.
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.
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 has its integrity inspected by a competent person prior to roof maintenance or removal.
The safety monitor is always a competent person 29 cfr 1926 500 b.
9 2 position of roof safety mesh roof safety mesh shall be positioned in accordance with the following.
9 installation requirements 9 1 general the installation of roof safety mesh shall comply with the requirements of clauses 9 2 and 9 3.
3 2 fixing connections between the roof safety mesh and the roof member.
All mesh is to be lapped minimum of 150mm one square for purlins 2200 or greater to be lapped.
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.
All mesh crossings shall be secured to prevent enlargement of the mesh opening.
Safety mesh has been tested and designed to meet testing standards developed by a national testing authority.
3 3 joints connections between rolls or sections of roof safety mesh.
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.
A ring fastener or hog ring used for joining side laps of roof safety mesh.