This chapter of the Charles County Code shall not be deemed to interfere with or abrogate or annul or otherwise affect in any manner whatsoever any ordinance, rules, regulations or easements, covenants or other agreements 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 other ordinances, rules, regulations or permits or by easements, covenants or agreements, the provisions of this chapter shall prevail. Except as hereinafter provided, the general regulations set out in this article shall apply.