The identified flood-prone areas shall consist of the following specific areas:
(a) FW (Floodway Area) - the areas identified as "Floodway" in the AE Zone in the Flood Insurance Study prepared by the FEMA. The term shall also include floodway areas which have been identified in other available studies or sources of information for those floodplain areas where no floodway has been identified in the Flood Insurance Study.
For the purposes of this chapter, the floodway is based upon the criteria that a certain area within the floodplain would be capable of carrying the waters of the 100-year flood without increasing the water surface elevation of that flood more than one foot at any point.
(b) FF (Flood-Fringe Area") - the remaining portions of the 100-year floodplain in those areas identified as an AE Zone in the Flood Insurance Study, where a floodway has been delineated.
The basis for the outermost boundary of this area shall be the 100-year flood elevations as shown in the flood profiles contained in the Flood Insurance Study.
(c) FA (General Floodplain Area) - the areas identified as Zone A in the FIS for which no 100-year flood elevations have been provided. When available, information from other Federal, State and other acceptable sources shall be used to determine the 100-year elevation, as well as a floodway area, if possible. When no other information is available, the 100-year elevation shall be determined by using a point on the boundary of the identified floodplain area which is nearest the construction site in question.
In lieu of the above, the Municipality may require the applicant to determine the elevation with hydrologic and hydraulic engineering techniques. Hydrologic and hydraulic analyses shall be undertaken only by professional engineers or other of demonstrated qualifications, who shall certify that the technical methods that are employed correctly reflect currently accepted technical concepts. Studies, analyses, computations, etc., shall be submitted in sufficient detail to allow a thorough technical review by the Township,
(Ord. 92-17. Passed 12-21-92; Ord. 2009-04. Passed 10-19-09.)