[Code of Federal Regulations]

[Title 44, Volume 1]

[Revised as of October 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 44CFR65.11]



[Page 350]

 

              TITLE 44--EMERGENCY MANAGEMENT AND ASSISTANCE

 

 CHAPTER I--FEDERAL EMERGENCY MANAGEMENT AGENCY, DEPARTMENT OF HOMELAND 

                                SECURITY

 

PART 65_IDENTIFICATION AND MAPPING OF SPECIAL HAZARD AREAS--

able of Contents

 

Sec.  65.11  Evaluation of sand dunes in mapping coastal flood hazard areas.



    (a) General conditions. For purposes of the NFIP, FEMA will consider 

storm-induced dune erosion potential in its determination of coastal 

flood hazards and risk mapping efforts. The criterion to be used in the 

evaluation of dune erosion will apply to primary frontal dunes as 

defined in Sec.  59.1, but does not apply to artificially designed and 

constructed dunes that are not well-established with long-standing 

vegetative cover, such as the placement of sand materials in a dune-like 

formation.

    (b) Evaluation criterion. Primary frontal dunes will not be 

considered as effective barriers to base flood storm surges and 

associated wave action where the cross-sectional area of the primary 

frontal dune, as measured perpendicular to the shoreline and above the 

100-year stillwater flood elevation and seaward of the dune crest, is 

equal to, or less than, 540 square feet.

    (c) Exceptions. Exceptions to the evaluation criterion may be 

granted where it can be demonstrated through authoritative historical 

documentation that the primary frontal dunes at a specific site 

withstood previous base flood storm surges and associated wave action.



[53 FR 16279, May 6, 1988]



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