10.5.1 Applicability.
10.5.1 Applicability. No building, structure or additional impervious surface exceeding 3,000 square feet, except a residential structure for single or two (2) family use, shall be constructed or externally enlarged, and no non-residential use, including any charitable or philanthropic, religious or educational use or purpose, shall be expanded in ground area, or established in an existing building not previously used for non-residential purposes, except in conformity with a site plan bearing an endorsement of approval by the Board of Appeals. -134-