No variance shall be granted unless the following findings are made:
(A) That there are such special circumstances or conditions affecting said property that strict application of the provisions of this chapter would clearly be impractical or unreasonable.
(B) That the conditions requiring the variance were not created by the proprietor.
(C) That the variance is necessary for the preservation and enjoyment of substantial property right of the proprietor, and is not primarily intended for his economic gain.
(D) That the granting of the variance will not be detrimental to the public welfare or injurious to other property in the area in which said property is situated.
(E) That such variance will not have the effect of nullifying the intent and purpose of this chapter, the adopted General Development Plan, and Chapter 151.
(F) That such variance will not violate the provisions of the Subdivision Control Act.
(1984 Code, § 5.653)