(a) New construction of a retail structure as defined herein, the footprint of which is at least 50,000 square feet; and,

(b) A large retail structure created by construction which represents a fifty percent (50%) or greater increase in building footprint and results in a footprint of at least 50,000 square feet.

(c) A large retail structure comprised of two (2) or more abutting buildings which have a common wall, roof or foundation, and whose combined footprint is at least 50,000 square feet.

(d) A large retail structure comprised of two (2) or more abutting and structurally independent buildings which appear to be a single building and whose combined footprint is at least 50,000 square feet.