In their interpretation and application, the provisions of this chapter shall be held to be minimum requirements, adopted for the promotion of the public health, safety, or the general welfare. It is not intended to interfere or abrogate or annul other rules, regulations or ordinances, provided that whenever the requirements of this chapter are at variance with the requirements of any other lawfully adopted rules, regulations or ordinances, the most restrictive, or that imposing the highest standards, shall govern.

This chapter is subject to periodic review every three years by the Planning Board. This review shall be started at least six months just prior to the end of the three-year date.