Any connection of any kind below finished grade either directly or indirectly to any public sanitary sewer for any building under construction shall be sealed with a blind plug, using accepted sealing methods, and such seal shall not be broken or removed until the area adjacent to the foundation of such building is backfilled and compacted in a proper manner to a height at the foundation wall of 10 inches above the natural ground level at a distance of 10 feet from the foundation wall. (Ord. 19496 § 56, 12-21-10; Ord. 16388 § 7.13, 11-5-91. Code 1995 § 146-284. Formerly 14.80.440.)