Chicago Metallic Sash Company · Chicago Metallic Sash Company · leaf 11
n CHICAGO METALLIC SASH CO., REINFORCEMENT BARS. (Continued). R R-3 R-4 R-4-R R-5 R-12 R-II p-io R-8 ^ R-12 R-9 iCfc dt i D-5i D-2 D-3 … The above patterns of reinforcement bars, with a few exceptions, are designed to conceal the steel strengthening bars, within the interior hollow space, instead of exposing and wiring them to the outer surface. The proper size of steel to be used can be determined by rule measurement of the space…
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