§ 150.164 SUBGRADE PREPARATION.
   Whenever a fill condition exists, all topsoil and unsuitable material shall be removed; and the subgrade shall be tamped or rolled until thoroughly compacted before placing the granular base. Fill shall be placed in six-inch layers to the proper subgrade elevation. Side slopes of fill material shall not exceed one foot vertical to three feet horizontal. Where a cut condition exists, all topsoil, unsuitable material, and subgrade shall be removed to the proper elevation all allowing sufficient width to accommodate the forms.
(Ord. 77-23, passed 11-23-77) Penalty, see § 150.999