Backfilling shall consist of placing and compacting excavated or imported backfilling material in an excavation. Compaction to a relative density of 90% up to the ground surface, or up to the base material if in a paved street, shall be achieved upon completion of the backfill. Base material shall be compacted to a relative density of 95%. Compaction tests by an approved soils laboratory or engineer may be required at the permittee's expense to assure compliance with this section.
('61 Code, § 18.21) (Ord. 702, passed - - )