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A sewage ejector or sewage pump receiving the discharge of water closets or urinals:
  1. Shall have a discharge capacity of not less than 20 gpm (1.26 L/s).
  2. In single dwelling units, the ejector or pump shall be capable of passing an 11/2 inch (38 mm) diameter solid ball, and the discharge piping of each ejector or pump shall have a backwater valve and gate valve, and be not less than 2 inches (50 mm) in diameter.
  3. In other than single-dwelling units, the ejector or pump shall be capable of passing a 2 inch (51 mm) diameter solid ball, and the discharge piping of each ejector or pump shall have a backwater valve and gate valve, and be not less than 3 inches (80 mm) in diameter.

Related Code Sections

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