An application for approval of a subdivision plat showing lots, blocks or sites without new streets shall be accompanied by ten (10) copies of such plat. The subdivision plat shall be drawn at a scale of not more than twenty (20) feet to the inch and shall contain the following, except where variation may be specifically authorized by the Board:
A.
The location and dimensions of property lines of each lot, block or site.
B.
Existing and proposed contours, showing elevations based on Mamaroneck datum, at intervals of not more than two (2) feet.
C.
The location and dimensions of all existing and proposed structures, sewers, drains, utilities, driveways, parking areas and other improvements.
D.
Such other information as the Board may require.
E.
An existing elevation or benchmark based on Mamaroneck datum.