In interpreting and applying the provisions of this chapter, said provisions shall be held to be the minimum requirements for the promotion of the public safety, health, convenience, comfort, prosperity or general welfare. It is not the intent of this chapter to interfere with or abrogate or annul any easements, covenants or other agreements between parties; provided, however, that where this chapter imposes a greater restriction upon the use and dimensions of buildings or premises or requires larger open space than is required by other ordinances, rules, regulations or by easements, covenants or agreements, the provisions of this chapter shall govern, except where expressly qualified in the Articles that follow.