Plumbing Code of the City of South Bend, Oridance No. 3208 as Amended 1937

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Section 58: The following table gives the size of vent pipes and the maximum number of fixtures that they shall serve: Size of Maximum No. of No. of No. of Maximum Pipe Developed traps Traps Pater Number Length I or less 2 inch Closets Fixtures In feet Z4" pipe 15 1 (14 ") 1 1 *" pipe 25 2 1 2 2" pipe 40 8 4 3 8 22" pipe 60 16 10 5 16 3" pipe 90 32 24 12 32 3.1 pipe 130 64 50 20 64 41? pipe 180 130 80 30 160 5" pipe 240 210 140 70 210 6" pipe 330 480 240 120 480 For five (5) inch traps and over the vent shall be one —half the diameter of the trap. If the length of a branch or main vent pipe is to exceed the given maximum, above diameter must be increased to the tabulated size opposite the length required, irrespective of the number of traps vented, but in no case shall the main vent be less than one —half the diameter of the adjoining soil pipe. Section 59: All cast iron pipe and fitting shall be sound, cylin- drical and smooth, free from cracks, sand holes and other defects, of a uniform thickness and not lighter than the commercial grade known as "Extra heavy." Pipe shall not weight less than the following per lineal foot, which w&ights include the hubs: Diameter of pipe 2 inch 3 inch 4 inch 5 inch 6 inc h 7 inch 8 inch Weight per ft. 5'— pounds 9 pounds 13 pounds 17 pounds 20 pounds 27 pounds 332 pounds All shall be coated at the factory with asphaltum or coal tar pitch inside and outside. Section 60: All wrought iron or mild steel pipe used for soil, waste or vent pipes shall be thoroughly galvanized inside and outside, and not lighter than the com;:iereial grade known as "Full weight." The fittings and couplings for wrought iron or mild steel waste, soil or refrigerator viaste shall be threaded cast iron or brass recessed