Illinois Society of Architects · Chicago · leaf 257
ss shall be measured from the ex-treme projection of the metal in every case.(Illustrations of beams on next page.)S lU. Beams, Girders and Trusses—Cover-ings of.) (a) The metal beams, girdersand trusses of tlio interior structural partsof a building shall be covered by one of thefireproof… … Fig. 43. PLAN IKOTIXTIOX OF EXTERIOR COLU.MNS.Section 838. Pig-. 44. Figs. 40, 41, 42. Requirement for protection ofcolumns of building exceeding 50 ft. beight fromexternal change of temperature and fire. Fig. 40. (A) 4 concrete required. CB) 4 brick required. Fjg. 41. (A) 4 solid porous tile…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
