The following conditions and circumstances shall exempt property from the provisions of this part:
(A) Where a low water use plumbing fixture would be installed in an existing building that has been identified by a local, state, or federal government entity as an historical site, and an historically accurate water- conserving plumbing fixture is not available.
(B) Where installation of a low water use plumbing fixture would require modifications to plumbing system components located beneath a finished wall, floor or other surface.
(C) Where the unique configurations of a building drainage system or portions of a public sewer, or both, require a greater quantity of water to flush the system in a manner consistent with public health.
(D) Where the existing building will be demolished or rehabilitated within 90 days of the purchase of such existing building.
(Ord. 2-2009)