Illinois Society of Architects · Chicago · leaf 267
of at leastthree-fourths of an inch by the widtli ol*the metal surface to be covered within sucliclay coverings the minimum thickness ofconcrete on the bottom and sides of metalshall be two inches. (c) The top of all beams, girders, andtrusses, shall be protected with not lessthan two inches of… … rig-. 48. rig-. 49. Where lintels are fireproofed previously and in-depenflentl.v, the Commissioner of Buildings has ruledthat the application of the arcliitectural facing maybe supported as shown (Fig. 48, 49). and so much of the w-eb of the same as isnot covered by the arches shall be made…
Architecture · Building · Architects
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