Outrigger Roof Construction

The same principle has been used since the 1950s in construction to provide lateral stability to tall narrow buildings.

Outrigger roof construction.

Outrigger an extension of a rafter beyond the wall line. I m marked the one outrigger they put in. My question is on the sides parallel to joists. I m using joist extensions on the side perpendicular to joists.

Outrigger system performance is aff ected by outrigger locations through the height of a building the number of levels of outriggers provided their plan locations the presence of belt trusses to engage adjacent perimeter columns versus stand alone mega columns outrigger truss depths and the primary structural materials used. A pair of vertical flange plates have surfaces on a diametral plane of the cut out. I was thinking of just running them on 24 centers but perhaps this is excessive since the eave is short and not bearing much weight. The outrigger beam comprises upper and lower horizontal plates with semicircular cut outs at their ends to receive the cylinder of the jack.

I use a 2x6 every 2 and block both sides between the end rafter and the fly rafter and a 2x4 under the outrigger in the support bay for any overhangs more than 8 up to 20. Dictionary of construction terminology outrigger. An extensible outrigger construction comprises a tubular housing secured to a vehicle frame having an outrigger beam telescoped into it. The building has a 4 ft roof overhang all around.

Outrigger designing buildings wiki share your construction industry knowledge. Originally a nautical phenomenon outriggers have been used for millennia as extended floats attached to canoes to provide stability and so avoid overturning. Keep in mind that the outriggers will be laying on their flats as they run through notches of the final common rafters. Usually a smaller member nailed to a larger rafter to form a cornice or roof over.

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. Doing a school with steel joist roof and cmu bearing walls. Verge overhangs are the areas of a timber framed roof that. Mar 14 2014 roof framing sketch of gable roof structure with outrigger system showing water.