Variances: Whenever the planning commission deems full conformance to provisions of these regulations is impractical or impossible due to the size, shape, topographic location or condition, or such usage of land included in a subdivision plat being presented for approval, the planning commission may authorize variances of these regulations. In authorizing such variances or exceptions, the planning commission shall find the following:
Waivers: Any waiver of the required improvements shall be only by the planning commission on a showing that such improvements are technically not feasible.