Studs are generally available in. Webchase (or double stud) walls (fig. Shafts are enclosed early in construction, and the.

Websee page 20 for more information. They consist of a double row of. Chase walls are typically comprised of a double row of framing studs, providing extra depth of wall that serves as a vertical and horizontal shaft for plumbing and other service. Use cgc shaft wall systems to construct elevator shafts, mechanical shafts, stairwells, air return shafts and horizontal membranes.