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HomeMy WebLinkAboutCDP 97-59; Levy Residence; Coastal Development Permit (CDP) (34)April 4, 1995 L D. Richards Company 131 5 Crest Drive Encinitas, CA 92024 FLOOD PLAIN DOCUMENTATION This letter is an outline of the information the City would consider in-lieu of an SUP to document the flood elevation at your proposed project. This information should be presented to the City in the form of a letter/report certifying the following: 1. Indicate the 100-year flood elevation at your proposed project site. 2. Explain and document how the flood elevation was determined. 3. Identify any changes which have occurred to the drainage basin since that documentation that would impact the elevation. (Le. increased rainfall intensity, changed development assumptions, alterations in channel cross section.) 4. Define method of analysis used to determine the amount of impact or lack thereof to the elevation. 5. Plot the subject property showing the existing topography with the 100-year flood elevation plotted on it. 6. Provide a conclusion and recommendation on development of the property as it relates to the 1 00-year flood elevation. Copies of the documents and work sheets used to determine and analyze impacts of the 1 00-year flood elevation should be submitted. The report must be written by a registered engineer competent in the field of hydrology. The engineer must sign and stamp the report. If you have any questions regarding this, please call me at 438-1 161, extension 4333. ROBERT J. WOJCIK Principal Civil Engineer RJW:jb @ 2075 Las Palmas Dr. - Carlsbad, CA 92009-1 576 (61 9) 438-11 61 - FAX (61 9) 438-0894