No person or persons, firm, or corporation, shall encumber or obstruct any street, alley, lane, ditch or gutter, sidewalk, or other public place within the corporate limits of this municipality by placing therein or thereon any building, structure, building materials, wood, dirt, or any other material or substance, or other impediment whatever, or by making any excavation or opening therein, without first having obtained permission in writing from the Council so to do; and any Council permission shall specify the portion of the sidewalk, street, or other public ground to be used and the period for which the same may be used; provided further, that this permission may be revoked at any time and that at the expiration thereof, or the revocation of the permission, the person or persons, firm, or corporation, having so obstructed a street, alley, or other public ground, shall remove the material, substance, or obstruction immediately.
(`74 Code, § 605:00) Penalty, see § 10.99