A.
In interpreting and applying the provisions of this chapter, they shall be held to be the minimum requirements adopted for the promotion of the public health, safety, morals, comfort, convenience and general welfare. Whenever the provisions of this chapter impose or prescribe any greater requirements or higher standards on premises, buildings or structures or on the use thereof than are imposed or prescribed by any other laws, ordinances, rules or regulations, grants or permits or by easements, covenants or agreements, the provisions of this chapter shall govern.
B.
Whenever the provisions of this chapter impose or prescribe any greater requirements or higher standards on premises, building or structure or use abutting a residence district, the greater requirements or higher standards shall also govern when the premises, building or structure or use either abuts lands owned and maintained by the Long Island State Park Commission as a state park or parkway or abuts lands which are within the boundaries of a residence use district of another municipality.
C.
Whenever a single lot which has been excepted from the area, width and yard requirements of a particular district by reason of such lot being in single and separate ownership on a certain date is joined by common ownership to an abutting lot, the greater area, width and yard requirements for the particular district shall apply to the increased size lot.
D.
Alterations, additions, changes.
(1)
Any application for the alteration, addition or physical change of any building or structure shall be submitted to the Board of Appeals for a special building permit, and submitted with said application shall be a survey of the lot or plot showing the present building or structure and the alteration, addition or physical change proposed to be made, and further indicating any changes in the building area, front, rear or side yards that may be effected by such physical change of the building or structure.
(2)
In the event that such addition or alteration shall affect the requirements as to the building area, lot area, front, rear and/or side yards, an application for the required variances shall simultaneously be made to the Board of Appeals along with the filing of the original application for the special building permit.