§ 97.13 SUBGRADE.
   The subgrade of sidewalks shall be constructed to the required depth below the finished surface in accordance with the plans and specifications provided by the Board of Public Works and Safety and shall be thoroughly compacted to a firm, smooth surface. All soft or spongy places not affording a suitable subgrade must be removed and replaced with a suitable material and compacted according to the above specifications.
(1980 Code, § 97.13) (Ord. 683, passed 4-12-1977) Penalty, see § 97.99