Cold Formed Floor Framing Ductwork Ovals

69 chapter 4 floor construction woodframe floor systems and concrete slab on grade floors are discussed in this chapter.
Cold formed floor framing ductwork ovals. A 12 tradeready joist comes with an 8 round hole. Although cold formed steel framing for floor systems also is permitted by the irc it is not covered here. Evolution of cold formed steel joist framing products 4. The shape of the wall framing was designed to fit the curve of the room while also serving as a handrail support.
This use of cold formed steel framing was both strong and far more cost effective than structural steel for this curved application. Cold formed steel framing cfs. Nominal 2x10 10 and 11 1 4 nominal 2x12 tradeready joists have an oval shaped hole that measures 6 1 4 x9. Cold formed steel floor assemblies are relatively new shear resisting systems for residential buildings in the united states.
By facilitating the construction of steel framed housing this report and the companion volume commentary on the prescriptive method for residential cold formed steel framing expand housing affordability through competition from new methods and materials. Chords in diaphragm design. Cold formed steel framing in a structural application is simply slower than traditional steel and concrete construction. Mason lays one and a half floors of cmu and pulls off the site.
Carpenter erects prefabricated cold formed steel panels. Here are the steps to erect a single floor. Rather the reader is referred to the aisi standard for cold formed steel framing prescriptive method for one and two family dwellings aisi 2001 for guidance. This project featured a dramatic curved 3 story atrium with an oval skylight.