Outrigger Roof Construction

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

Outrigger roof construction.

Keep in mind that the outriggers will be laying on their flats as they run through notches of the final common rafters. My question is on the sides parallel to joists. Doing a school with steel joist roof and cmu bearing walls. 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.

What should the spacing be for 2x6 outriggers on the rake ends of a gable roof with 12 eaves. Dictionary of construction terminology outrigger. Outrigger an extension of a rafter beyond the wall line. The same principle has been used since the 1950s in construction to provide lateral stability to tall narrow buildings.

Outrigger designing buildings wiki share your construction industry knowledge. The building has a 4 ft roof overhang all around. A pair of vertical flange plates have surfaces on a diametral plane of the cut out. I m using joist extensions on the side perpendicular to joists.

The outrigger beam comprises upper and lower horizontal plates with semicircular cut outs at their ends to receive the cylinder of the jack. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Mar 14 2014 roof framing sketch of gable roof structure with outrigger system showing water. An extensible outrigger construction comprises a tubular housing secured to a vehicle frame having an outrigger beam telescoped into it.

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. Verge overhangs are the areas of a timber framed roof that. 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. Originally a nautical phenomenon outriggers have been used for millennia as extended floats attached to canoes to provide stability and so avoid overturning.