Illinois Society of Architects · Chicago · leaf 507
.5 unit shall biused for each % inch opening and 0.3 unitfor each laundry header, when master metersare used. See Rule Xo. 29 for explanation ofUnits and Rule Xo. 70 for riser sizes.68. Biser Sizing for Apartment BuildingsWith Heavy Duty Appliances.In apartment buildings where the mani-fold… … Rule 69. 69. Biser Sizing for Individual Meters.In office Buildings, Schools, Hospitals,Stores, Residences and Apartments, size therisers according to the following table. Table No 3. Number Number Size of Feet of of % Pipe of Pipe Units Openings Inches Allowed Allowed 1 % 60 1.6 2 1 70 2.6 3 to 5…
Architecture · Building · Architects
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