Illinois Society of Architects · Chicago · leaf 233
rig-. 19. Fig-. 20. LEDGES—JOIST SUPPORTS. Tig. 21. Section 733a, b, c.Fig. 19 (A) Corbelling to be not less than four Fig. 20 (A) Metal joist hanger allowaDle. courses of brick. (B) % inch metal required. (B) Upper course shall project four inches. . . (C) The joists shall be protected from top to…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
