13.52.290 Sewer pipe size.
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A four-inch side sewer shall be required for any single-family dwelling. Two or more single-family dwellings to a maximum of four, two or more cluster living units to a maximum of fourteen (14), and multiple dwellings to a maximum of thirty (30) family units may be served by a six-inch line. Eight-inch lines shall be required for any additional units thereafter. A six-inch side sewer shall be required for any building or structure not listed above.