No site plan approval shall be required prior to issuance of a building permit for any of the following except as required by other municipal ordinances:
A.
Interior alterations or work on exterior building facades, windows or roofing.
B.
A proposed addition which is less than 10% of the existing gross floor area or 1,000 square feet, whichever is less, and which complies with all zoning regulations and which requires no additional parking spaces. Prior to the issuance of a building permit under this section, the Building Inspector shall obtain a statement, in writing, from the Borough Engineer that the proposed improvements will have no adverse effect upon drainage and a statement from the Administrative Officer that the proposed improvements comply with all zoning regulations.