18-29-715.5 Diameter.

   Backwater valves, when fully opened, shall have a capacity not less than that of the pipes in which they are installed.

18-29-715.6 Location.

   Backwater valves shall be installed so that access is provided to the working parts for service and repair.

18-29-716 Flood Control.

18-29-716.1 Flood control devices.

   Flood control devices in any house drain shall be vented and sized in accordance with this chapter. The total fixture units and any continuous or semicontinuous flow shall determine the size of the vent. No vent shall be less than 2 inches (50 mm) in diameter.

18-29-716.2 Flood control systems.

   Flood control systems may be installed as necessary with the approval of the commissioner of water management. Ground floor plumbing fixtures may discharge into the building sewage ejector, in areas experiencing sewer backup only when all downspouts or other storm drainage is discharging downstream of the backwater valve or when the downspouts are not connected to the sewer system.

(Amend Coun. J. 11-8-12, p. 38872, § 360)

Article 8. Indirect/Special Waste (18-29-801 et seq.)

18-29-801 General.