Traps and tubing.

Omaha Municipal Code § 49-837

in effect

Sec. 49-837. - Traps and tubing. Generally, all traps shall have a trap seal sized between two inches and four inches. Traps shall be located as close to the fixture waste opening as possible and shall be installed in a location for easy, accessible cleaning. The following provisions also apply: (a) Traps and tubing for buildings not rated to use plastic waste and vents shall be as following: (1) Concealed traps above the finished floor shall be service weight cast-iron soil pipe, no-hub cast-iron pipe, Durham, DWV copper, or cast brass not less than 3/32 inch thick. (2) Traps below the finished floor in ground (soil) shall be service weight cast-iron soil pipe. (3) Traps located below the finished floor in a blocked out pit, free of ground (soil) and easily accessible, may be of the same material as specified in subsection (1) above. (4) Bath tub waste and overflow shall be not less than 17 gauge brass or schedule 40 PVC plastic pipe. (5) Tubing used for tail pieces, traps and continuous waste on sinks, lavatories and similar fixtures shall be not less than 17 gauge brass. (6) Exposed traps and tubing for final fixture connection may be slip joint. (b) Traps and tubing for buildings rated to use plastic waste and vents piping may use the following materials in addition to those in subsection (a) above. (1) Concealed traps and tubing above and below the finished floor Schedule 40 PVC plastic or schedule 40 ABS for single family dwellings only. (2) Bath tub waste and overflow shall be not less than schedule 40 PVC or PVC tubular waste and overflows meeting ASTM Standard F-409 or for use in single family dwelling only Schedule 40 ABS plastic pipe or tubular waste and overflows meeting ASTM Standard F-409. (3) Tubing used for tail pieces, traps and continuous waste on sinks, lavatories and similar fixtures shall be PVC meeting ASTM Standard F-409 or for use in single family dwelling only ABS meeting ASTM Standard F-409. (4) Exposed traps and tubing for final fixture connection may be slip joint. (c) For traps and tubing for corrosive and acid waste, see article X. (Ord. No. 40524, § 1, 10-20-15)

Source: City of Omaha, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/ne/omaha/codes/code_of_ordinances?nodeId=OMMUCOCHGEORVOII_CH49PL_ARTVIIIQUWEINMA_S49-837TRTUFetched: 10/28/2026