Illinois Society of Architects · Chicago · leaf 261
be 2 (Sec. 846c). 846. Beams, Girders and Trusses—Cover-ings of.) (a) The metal beams, girdersand trusses of the interior structural partsof a building shall be covered by one of tliefireproof materials hereinbefore specified soapplied as to be supported entirely bj thebeam or girder protected, and… … Fig-. 48. Fig-. 49. Wliere lintels are flreproofed privluusly luid In-depcnilciitly, llie CotniiilHslonor of liulldlnB-i lus ruledtliiit the iippllciilloii of till iirclillccturul facing maybe supported as shown (I<ig. 48, 49). The ruling is only applied to openings not to exceedfour feet in…
Architecture · Building · Architects
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