(a) Maximum Sign Face Area per Lot. The total maximum sign face area permitted for any lot shall be 1.35 square feet per foot of frontage. For lots fronting on two (2) or more streets, each street frontage shall be calculated separately, and such individual totals shall apply separately and only to signs directed at those individual streets.
(b) Maximum Sign Face Area per Building. Notwithstanding the area determined in paragraph (a) above, the total maximum sign face area permitted for any building shall be 1.00 square foot per foot of building frontage. For buildings fronting on two (2) or more streets, the building frontage shall include any fronting building face plus up to forty percent (40%) of any other fronting building face.
(c) Maximum Sign Face Area per Building Unit. Notwithstanding the area determined in paragraphs (a) and (b) above, the total maximum sign face area permitted for any building unit shall be 1.00 square foot per foot of building unit frontage.