In their interpretation and application, the
provisions of this chapter shall be held to be the minimum requirements
adopted for the promotion of the public health, safety, comfort, convenience
and general welfare. It is not intended by this chapter to repeal,
abrogate, annul or in any way impair or interfere with any existing
provisions of the law or ordinance or any rules, regulations or permits
previously adopted or issued, or which shall be adopted or issued
pursuant to law, relating to the use of buildings or premises, nor
is it intended by 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 of buildings or premises or upon the height of buildings or
requires larger yards, courts or other open spaces than are imposed
or required by such existing provisions of law or ordinance or by
such rules, regulations or permits or by such easements, covenants
or agreements, the provisions of this chapter shall control.