Illinois Society of Architects · Chicago · leaf 241
(c) The top of all beams, girders, andtrusses, shall be protected with not lessthan two inches of concrete or one inch ofburnt clay bedded solid on the metal incement mortar. (d) In all cases of beams, girders ortrusses, in roofs or floors, the protection ofthe bottom flanges of the beams and… … CoNCRCt^ ^l:-!^;:.--. • t £i^^^Val ^ij --Hollow Tilje^ V;-- CONCKETE-W-T,METAL- LATH-IL: Follow T \A 1 4 <ry. ^ ^\ ^ \\ ^ Pigr. 46. C Fig-. 47. (A) FiiM-proof covoring for l)eains. girders, etc.,for e.\torior structiirnl parts. Sec. 617. See pro-vision for columns (Sec. 610) for A. Fig. 45. (B)…
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