Illinois Society of Architects · Chicago · leaf 493
iameter ofpipe as given must be increased one sizefor same area of drainage. Square Feet of Drainaf^e Area. Diameter Fall s in. Fall I4 in. Fall V2 in. per foot per foot per fool 4 inch 1.500 1.800 2.500 6 S.OOO 5.000 7.500 S r.ooo 9.100 I.-?.600 10 ;t.ooo 14.000 20.000 Back Water Valves: Whenever… … $tatidard^RI u-m-b i iT0^Fi xt u re s ^tattdard cSattitatS 11)^. Co. Largest Mamifiu-tuifis of Pluinbinji Fixtures in the World Main Office & Showroom : i ^ n. peori a st. half block north of madison st.) CHICAGO, ll_l_. TELEPHONE MONROE 6400 Chicago Branch stores:north west side: 3337 n.…
Architecture · Building · Architects
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