Outrigger Roof Construction

The osha construction standards do not prohibit the use of a roof top rolling outrigger.

Outrigger roof construction.

A rig consisting of outrigger beams with counter weights supported by a rolling base. Verge overhangs are the areas of a timber framed roof that. Country life projects living 673 024 views. In this system the last truss or rafter is often made smaller than the rest so that the top chord of the truss or the rafter is 3 5 or 5 5 lower than the tops of the other trusses or rafters.

In fact most high wind construction guides require outriggers for gable end ov erhangs greater than 12 inches. How to build a shed how to build roof rake ladders soffit overhang video 9 of 15 duration. The outrigger is part of the house usually incorperating the kichen area that comes out at 90 degrees to the main building. H3 2 treated framing required for outriggers rafters and flying rafters if exposed to the weather.

Only steel or high strength alloy beams shall be used. The inboard end of outrigger beams measured from the fulcrum point to the anchorage point shall be not less than 1 1 2 times the outboard end in length. Outrigger beams shall not extend more than 6 feet beyond the face of the building. However 29 cfr 1926 451 a 2 requires the anchorage for scaffolds to be sound rigid and capable of carrying the maximum intended load without settling or displacement.

Answered 30th may 2013 like 4. Outriggers are typically horizontal structures usually trusses or reinforced concrete walls inserted into buildings at various levels to tie the concrete core to the outer or perimeter structural framework. Outrigger systems have come into widespread use in supertall buildings constructed since the 1980s eclipsing the tubular frame systems previously favored.