Merging of Substandard Lots. Whenever title to 2 or more contiguous lots is held by the same owner, regardless of whether or not each of the lots may have been approved as portions of a subdivision or acquired by separate conveyance or by other operation of law, and one or more individual lots should, by reason of substandard area or yard space or similar measurements, not conform with the minimum lot area and dimension requirements for the zone in which it is located, the contiguous lots shall be merged into a single lot.