Residential alterations to one- or two-family dwellings that do not result in any zoning bulk violation and which do not alter the footprint of the existing principal structure and accessory uses such as but not limited to driveways, patios, hardscaping, sidewalks, porches, fences, decks, sheds, pools (above ground and inground), garages, carports, etc., and any alterations to residential dwellings which change, enlarge or alter existing building footprint.