Definitions. The following terms, as used in this section, shall have the following meanings:
AVERAGE FINISHED GRADE
Shall mean the average finished grade of a building or structure measured at intervals of 10 feet along each exterior wall of the building or structure, i.e. the sum of the results of such finished grade measurements, divided by the number of such measurements.
BUILDING COVERAGE
Shall mean that portion of a lot covered by the largest floor area of all structures, both principal and accessory.
BUILDING HEIGHT, ACCESSORY BUILDING OR STRUCTURE
Shall mean the measurement from the average finished grade to the midpoint of the roof for pitched roofs and the highest point of the roof deck for flat roofs, for any accessory buildings or structures.
BUILDING HEIGHT, MULTI-FAMILY DWELLING, TOWNHOUSE OR STACKED TOWNHOUSE
Shall mean the measurement of the vertical distance from the average finished grade to the highest point of the roof deck which intersects the building's exterior walls.
DWELLING, MULTI-FAMILY
Shall mean a building containing three or more dwelling units, including units that are located one over another, where entranceways, hallways, basements, attics, storage areas, heating systems, yards and similar services in the building may be individual, shared in common, or in combination.
ELEVATION ABOVE MEAN SEA LEVEL
Shall be defined as a measure of the vertical distance of a location in reference to the mean sea level (MSL) based on the National Geodetic Vertical Datum of 1929 (see the NOAA, National Geodetic Survey website: https://www.ngs.noaa.gov/datums/vertical/national-geodetic-vertical-datum-1929.shtml)
MULTI-FAMILY FLOOR AREA RATIO
Shall mean the area of all floors of multi-family buildings, including spaces within multi-family buildings used for off-street parking or loading.
STORY
Shall mean the portion of a building included between the surface of any floor and the surface of the next floor above it, or if there is no floor above it, then the space between the floor and the ceiling or roof next above it.