(a) Waivers of standards contained in this subpart may be requested when the following minimum criteria are established:

(1) The property is within a preexisting development (an area where shoreline development existed prior to November 1, 1999); and

(2) The proposed shoreline alterations are compatible with surrounding permitted structures and uses within the subdivision or, if there is no subdivision, within the immediate vicinity (one-fourth mile radius).

(b) In approving waivers of the standards of this subpart C, TVA will consider the following:

(1) The prevailing permitted practices within the subdivision or immediate vicinity; and

(2) The uses permitted under the guidelines followed by TVA before November 1, 1999.