Roof Tie Down Details

Tie down details for repair of storm damaged roofs in south east queensland page 2 of 13.

Roof tie down details.

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. Working load limit and 1 500 lbs. This includes simplified details for a limited range of building spans and member and tie down spacings. Roof tie backs shall be tested to no more than 50 percent of their rated capacity.

California code of regulations title 8 section 3296 b 4 b. Roof anchors can be as simple as a d ring connection or as complex as a complete lifeline system. Tie downs with 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.

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. Keeper ratchet tie downs are engineered to provide a keeper ratchet tie downs are engineered to provide a safe efficient alternative to rope and other methods of securing cargo for transport. Tie down location tie down location fixing spacing opening width the distance to the next tie down opening width 2400 mm distance to next tie down 1200 mm roof area to be tied down m2 ulw x fixing spacing 6 6m x 1 8m 11 88m2 calculating tie down beside an opening ulw 6 6m area of roof being uplifted 6 6 x 1 8m2.