Illinois Society of Architects · Chicago · leaf 233
rig-. 19. Figr. 20.LEDGES—JOIST SUPPORTS. Fig-. 21. Section 7 Fig. 19 (A) Coibelling to be not less th.in four courses of brick. (U) Upper course shall project four inches. (C) The .loists sliall be protected from top to l)ott(ini t)y l)iuk. 733. Iiedges — Joist Supports.) (a) Inbuildings two…
Architecture · Building · Architects
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