Illinois Society of Architects · Chicago · leaf 242
rig-. 19. Fig-. 20. LEDGES—JOIST SUPPORTS. Fig*. 21. Fig. 19 (A) Corbelling to be not less than four courses of brick. (B) Upper course shall project four inches. (C) The joists shall be protected from top tohot torn l)j- brick. Section 733a, b, c. Fig.(B) 20 (A) Metal ioist hanger allowaole.14… … Fig-. 23. Fig. No 22.A—distance from division lot line to buildingline. B—height of parapet wall above roof on divisionlot line side. • C—parapet wall on other sides when required. Explanation :If A is less than 30, B shall be SO.C shall be not less than 18. SECTION 737 D. Fig. No. 23. A—distance…
Architecture · Building · Architects
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