All sidewalks hereafter laid, constructed, rebuilt or repaired in the City of Hart shall conform as to width, specifications of materials and manner of construction as provided by the City Council by resolution from time to time. No variation from the specifications will be allowed unless by resolution of the Council upon written application, setting forth in detail the variation desired, and the Council may permit or refuse to allow such variation, in its discretion. Any person desiring to construct, rebuild or repair a sidewalk on or adjacent to his or her property, shall do so only upon permit granted by the City Council by proper resolution adopted by said Council and in accordance with specifications on file in the office of the City Clerk established by said Council, by resolution, from time to time. Said sidewalks shall be constructed, rebuilt or repaired under the supervision of the City Manager and in full compliance with specifications set forth in said resolution to the satisfaction of the Manager.