§ 97.091 BACKFILLING.
   The permittee shall properly support his or her pipe by cradling it in sand or earth and backfill the trench to a point approximately one foot above the top of the pipe.
(1990 Code, § 25-117) (Ord. 62-672, passed 10-1-1962; Ord. 68-943, passed 1-15-1968)