For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BUILDING FLOOR ELEVATION. The finished floor elevation in feet above mean sea level of the lowest floor of a building. BUILDING FLOOR ELEVATIONS shall be related to the city datum.
BUILDING PAD ELEVATION. The elevation in feet above mean sea level of the material on which the floor slab directly rests.
COMBINATION STORAGE. Handling of stormwater by utilizing both on-site retention and retention basins.
DRAINAGE PLAN. That certain plan on which are shown the location, dimensions and elevations of proposed stormwater storage areas.
FIFTY-YEAR STORM. A storm that has a two percent chance of occurring each year in accordance with criteria established by the U.S. National Weather Service, as shown in § 192-09.
FREE BOARD. The distance between the design high water surface and the top of the wall of a retention basin.
100-YEAR STORM. A storm that has a one percent chance of occurring each year in accordance with criteria established by the U.S. National Weather Service, as shown in § 192-09.
ON-SITE RETENTION. Storage on public or private property or any combination thereof, but not on public street or alley right-of-way.
RETENTION BASIN. A designated area for total storage, without overland relief, of flows generated during a design storm.
10-YEAR STORM. A storm that has a ten percent chance of occurring each year in accordance with criteria established by the U.S. National Weather Service, as shown in § 192-09.
('80 Code, § 31-143) (Ord. 1670, passed 10-12-77)