In interpreting and applying the provisions of this Ordinance they shall be held to be the minimum requirements for the promotion of the public safety, health, convenience, comfort, prosperity and general welfare. It is not intended by this Ordinance to interfere with or abrogate or annul any easements, covenants or other agreements between parties; provided, however, that where this Ordinance imposes a greater restriction upon the use of building or premises, or upon height of building, or requires larger open spaces than are imposed or required by other ordinances, covenants, or agreements, the provisions of this Ordinance shall control.