A. Building Setbacks: Where an existing building or buildings on the same side of the street and within the same block encroach on the required front yard or building setback, the required front yard or building setback for new construction shall be established as follows:
1. If the proposed building is to be located more than two hundred feet (200') from an encroaching building, the proposed building shall conform to the front yard setback established for the district in which the proposed building is to be located.
2. If the proposed building is to be located between adjacent buildings which conform to the required front yard or building setback, or between a conforming building and an intersecting street, the proposed building shall conform to the front yard setback established for the district in which the proposed building is to be located.
3. If the proposed building is to be located within two hundred feet (200') of encroaching buildings on both sides and there are no intervening buildings, the front yard or building setback shall be the average or setback of the two (2) nearest front corners of the encroaching buildings.
4. If the proposed building is to be located within two hundred feet (200') of an encroaching building on one side, but not both sides, and there are no intervening buildings, the front yard or building setback shall be the average of the front corner of the encroaching building.
B. Reduction Of Yard Or Setback: Provided, however, that in the application of subsection A3 or A4 of this section, the front yard or building setback shall not be reduced to less than five feet (5'), plus one-half (1/2) of the right of way width designated on the major street plan for the abutting street, or five feet (5'), plus twenty five feet (25'), if the street is not designated on the major street plan. (1991 Code § 16-12-240)