Outrigger Roof Construction

H3 2 treated framing required for outriggers rafters and flying rafters if exposed to the weather.

Outrigger roof construction.

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. How to build a shed how to build roof rake ladders soffit overhang video 9 of 15 duration. They can be tied to the core and combined with exterior columns or may be connected to a super or mega column. Outrigger systems have come into widespread use in supertall buildings constructed since the 1980s eclipsing the tubular frame systems previously favored.

The outrigger is part of the house usually incorperating the kichen area that comes out at 90 degrees to the main building. The roof will have a valley where it meets the main house if you had a birds eye view of your house it would be l shaped. Verge overhangs are the areas of a timber framed roof that. In fact most high wind construction guides require outriggers for gable end ov erhangs greater than 12 inches.

A rig consisting of outrigger beams with counter weights supported by a rolling base. Outrigger fixing see tables 1 and 2 clearing up gable verge outrigger confusion in nzs 3604 2011 outrigger cantilever distance nzs 3604 2011 table 10 9 note. Only steel or high strength alloy beams shall be used. Answered 30th may 2013 like 4.

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. 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. 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.