Conditional exceptions to the regulations herein defined may be authorized by the advisory agency if it finds that exceptional or special circumstances apply to the property. Such special circumstances may include limited size, unusual shape, extreme topography, dominating drainage problems or the impracticability of employing a conforming plan or layout by reason of prior existing recorded subdivisions of contiguous properties.
   Application for waiver of the requirements of this chapter shall be made at the time of the filing of a tentative map. The decision of the advisory agency shall be subject to appeal to the City Council in the manner set forth in Section (Ord. 3474 § 2 (part); October 21, 1975: Ord. 3720 § 2 (part); June 21, 1977.)