Roof Tie Down Details

For example a roof tie back with a rated capacity of 5000 pounds shall not be tested in excess of 2500 pounds.

Roof tie down details.

Working load limit and 1 500 lbs. Simplified tie down details for coupled roofs n1 and n2 sheet roofs and n3 tile roofs simplified tie down details are provided for coupled roofs where nominal nailing alone is not adequate to resist the net uplift on the roof. Break strength are a perfect everyday solution for securing smaller loads. This includes simplified details for a limited range of building spans and member and tie down spacings.

Both permanent and temporary roof anchor points are available. Tie down designs for tile and sheet roofs conforms to wind classifications of up to category n3 previously w41n designed to withstand a maximum gust wind speeds of 50 metres per second. Roof anchors can be as simple as a d ring connection or as complex as a complete lifeline system. Anchor points are usually installed on the roof and are used to connect lanyards lifelines and other forms of tie off which prevent a worker from falling.

Roof tie backs shall be tested to no more than 50 percent of their rated capacity. Tie down details for repair of storm damaged roofs in south east queensland page 2 of 13. Tie downs with 500 lbs.