Illinois Society of Architects · Chicago · leaf 103
s, and the openings in theengine and boiler houses of the same, and between these and the main building, shallhave iron doors. Sec. 148. Thickness of Walls of Classes II and III.—Exception to Ahove. — Build-ings of Classes II and III shall conform to the following requirements: 101 G. A. EDWARD…
Architecture · Building · Architects
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