Illinois Society of Architects · Chicago · leaf 241
rig. 19. rig. 21. rig-. 20. LEDGES—JOIST SUPPORTS.Section 733a, b, c.Fig. 19 (A) Corbelling to be not less than four Fig. 20 (A) Metal joist hanger allowable. eourses of brick (B) Upper course shall project four inches. (C) The joists sliall be protected from top tobottom by bricls.
Architecture · Building · Architects
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