Cold Formed Floor Framing Ductwork Ovals
A 12 tradeready joist comes with an 8 round hole.
Cold formed floor framing ductwork ovals. Cold formed steel framing in a structural application is simply slower than traditional steel and concrete construction. 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. Mason lays one and a half floors of cmu and pulls off the site.
Smaller flex type ductwork pulled through the knockouts within the floor assembly. However the use of plywood or oriented strand board osb as shear resistance material is not new and has been widely accepted in the design of wood framed roof and floor diaphragms for housing. Evolution of cold formed steel joist framing products 4. This project featured a dramatic curved 3 story atrium with an oval skylight.
Researchers professional engineers and builders experienced in cold formed steel framing. Although cold formed steel framing for floor systems also is permitted by the irc it is not covered here. This use of cold formed steel framing was both strong and far more cost effective than structural steel for this curved application. Carpenter erects prefabricated cold formed steel panels.
Nominal 2x10 10 and 11 1 4 nominal 2x12 tradeready joists have an oval shaped hole that measures 6 1 4 x9. 69 chapter 4 floor construction woodframe floor systems and concrete slab on grade floors are discussed in this chapter. Here are the steps to erect a single floor. Cold formed steel framing cfs.