Illinois Society of Architects · Chicago · leaf 235
Tig. 19. Pig-. 20.LEDGES—JOIST SUPPORTS. Pigr. 21. Section 733a, b, c. Fig. 19 (A) Corbelling to be not less than four Fig. 20 (A) Metal joist hanger allowaole. toiirses of brick. (B) Vi iucli metal required. (B) Upper course sliall project four inches. (O) Tlie joists shall be protected from top…
Architecture · Building · Architects
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