(A) All building drains which have backup problems shall have a backwater valve installed at the owner’s expense, and it shall be the owner’s responsibility to see that the backwater valve is kept clean and workable. The city will assume no liability for any damages resulting from backup.
(B) All new housing projects shall be required to install a backwater valve in the building drain behind the building drain cleanout wye, as to make it possible to gain access to the private sewer line for cleaning purposes.
(1989 Code, § 3.40, Subd. 6) (Ord. 33, 2nd Ser., eff. 5-21-1999) Penalty, see § 53.99