Request for Modifications

         In the instance of the construction, alteration or modification of a structure or lot of record, a request for one (1) or more modifications of the literal dimensional requirements of the zoning ordinance, not to exceed twenty-five (25) percent of any dimensional requirement specified in said ordinance, may be made by an applicant by filing with the zoning officer an application describing the request and supported by such data and evidence as required in the application procedures prepared and published by the zoning officer.