The text
Every main building shall be located and maintained on a "lot", as defined in section10-2-2 of this title, and every lot shall have required frontage on a "street", as defined in section 10-2-2 of this title, except as follows: A.
Where a parcel of land was in separate ownership prior to the effective date hereof, as described in section10-14-2 of this chapter; and
B.
Where under special circumstances of design of a parcel of land, the board of adjustment approves a variance to create a lot which may or may not have the required frontage as provided for in this title. Under no circumstances may the frontage be less than sixteen feet (16') or as approved by the board of adjustment.
(1985 Code § 19-3-3)