Backfill around storm sewer pipes and structures shall meet the following standards:
(A) Backfill under pavement and 5 feet outside of pavement shall pass less than 5% through a #200 sieve and shall be haunched and compacted in the installation to support the pipe in compliance with all the manufacturer's specifications, or flowable backfill per INDOT Standard Specifications (where sewer crosses under streets);
(B) Backfill of a storm sewer pipe trench, the near edge of which is within 5 feet of the proposed or existing pavement area, shall be granular material or flowable backfill as specified in § 152.054(A), to the base of pavement along the entire trench (sewer parallel to street); and
(C) Backfill of a storm sewer pipe trench, the near edge of which is located more than 5 feet outside of the pavement area, may be of selective native material which shall be haunched and compacted in compliance with all manufacturer's specifications.
(Ord. passed 10-11-2004)