The rules, regulations and standards set forth in this chapter shall be considered the minimum requirements for the protection of the health, safety, and welfare of the citizens of the Township. Any action taken by the Planning Board under the terms of this chapter shall give primary consideration to such matters and to the welfare of the entire community. However, if the applicant can clearly demonstrate that, because of peculiar conditions pertaining to his land, the literal enforcement of this chapter is impractical or will exact undue hardship, the Planning Board may permit such variances as may be reasonable, within the general purpose and intent of the rules, regulations and standards established by this chapter.