Illinois Society of Architects · Chicago · leaf 251
plates may be omitted wberefloors are of concrete construction. 247 Miscellaneous Provision* shall be made so that they will fuse oroperate when subjected to a heat of 160to 165 degrees Fahrenheit. If said doorsare of steel plate, the plate or plates shallbe of No. 12 U. S. gauge or greater… … rig1. 29. Tig. 30. Pig. 31. DIVIDING WALLS AND IKON DOORS—OPENINGS INSERTED—(Continued).Section 789j. Fig. 29. Tin-clad Doors. (A) Three thicknesses of 13/16 required. (B) Boards not wider than 8. Outside layersvertical and inside layer horizontal laid. (C) Nails clinched as (C). Fig. 30. Single…
Architecture · Building · Architects
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