A.
Requests by the subdivider for variances, modifications, waivers or time extensions in connection with provisions of this chapter shall be presented in writing to the Planning Board, prior to any regular meeting; shall explain the request in detail, making reference to the specific provisions of this chapter which are concerned; shall state the interpretation, change or permission desired; and shall present the specific reasons for such request. The Planning Board, within 30 days next following the date of such request, shall reply in writing to the subdivider, granting either approval or disapproval of such request, and in case of disapproval, shall state the reasons therefor.
B.
Wherever extraordinary hardship may face the subdivider as a result of the strict application of this chapter, the Planning Board may approve variations from this chapter in order to provide substantial justice and secure the public interest. Such variations shall, however, not have the effect of negating the intent, purpose and policies of the Official Map, Chapter 402, Zoning, the Master Plan and this chapter or other applicable regulations.
C.
Wherever due to unusual topographic conditions the continuation of streets or the placement of lots and improvements are rendered undesirable or impractical, the Planning Board may approve variations from this chapter.
D.
In granting variances and modifications, the Planning Board may require such alternative conditions as will secure substantially the same objectives of the standards or regulations so varied from or modified.