The regulations of this chapter are to be considered to be minimum provisions for the protection and promotion of the public health, safety, morals, convenience and the general welfare, and the chapter should be liberally construed so as to further these purposes.

This chapter is not intended to interfere with or abrogate or annul any other Town ordinance or code, or regulation or rule adopted thereunder, or agreement between parties; provided, however, that where this chapter imposes a greater restriction upon the use of buildings or premises or upon the height of buildings or requires larger open spaces than are imposed or required by such ordinances or rules and regulations or agreements, the provisions of this chapter shall control.

This chapter or any amendment thereto is not intended to abrogate or annul any building permits, certificates of occupancy, variances or special permits lawfully issued before the effective date of this chapter or amendment, provided that any permit or certificate shall be implemented as provided herein within the specified period of time during which it is valid.