A.
Any lawful nonconforming use which existed at the effective date of this chapter may be continued, but no such nonconforming use shall be extended or enlarged, and no structure by which a nonconforming use is occupied shall be structurally altered or reconstructed, unless the purpose of such extension, enlargement, reconstruction or alteration is designed or intended to make the use of the structure or land a conforming use under the terms of this chapter.
B.
Any building or structure which lawfully existed at the effective date of this chapter, which was nonconforming on such date by reason of its design, its placement on a conforming lot or its location on a nonconforming lot, and constituted an otherwise conforming use, may be continued.
C.
Any vacant lot which lawfully existed at the effective date of this chapter and was made nonconforming by its passage may be utilized for a permitted use. Permitted uses may be expanded on a developed, nonconforming lot, provided that all yard, setback, impervious coverage, parking, floor area ratio and height requirements of the zone are met.