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BOOK 88 F'AGE 640 G. Request for Floodplain Cut and Fill Balance Waiver for Beachside Subdivision. The Board reviewed the following memo dated January 18, 1993: To: James Chandler County Administratfl� THROUGH: James W. Davis, P. Public Works Direc and Roger D. Cain, P.E County Engineer FROM: David B. Cox, P. E.'W- Civil Engineer SUBJECT: Request for Floodplain Cut and Beachside Subdivision Fill Balance Waiver for DATE: January 18, 1993 _ CONSENT AGENDA DESCRIPTION AND CONDITIONS Knight, McGuire & Associates, Inc., on behalf of Legend Building & Drywall, Inc., developers -of Beachside Subdivision, is requesting a waiver of the cut and fill balance requirement of Section 930.07(2)(d) of the Stormwater,Management and Flood Protection Ordinance. Beachside Subdivision received preliminary plat approval by the Planning & Zoning Commission on October 22, 1992. The project is located on S.R. A -1-A in Government Lot 1, Section 34, Township 33 south, Range 40 east, adjacent to the south property line of Ocean Oaks Subdivision, approximately two miles north of the St. Lucie County line. The special'flood hazard areas inundated by the 100 year flood -on this site include Zones VE, AO and AE with base flood elevations of 15 and 5 FT. N.G.V.D. The ten year Stillwater elevation for the Indian River established in the May 4, 1989 F.E.M.A. Flood Insurance Study is 2.7 FT.N.G.V.D. The proposed displacement of the floodplain below 4.0 FT. N.G.V.D. for which a waiver is requested is estimated as 500 cubic yards by the applicant's engineer in the attached letter dated December 11, 1992.- ALTERNATIVES 992.- ALTERNATIVES AND ANALYSIS The project meets the cut and fill balance waiver criteria provided in Section 930.07(2)(d)1. of being situated in an estuarine environment within the 100 year floodplain along the Indian River and in staff's opinion it appears- that all other Stormwater. Management and Flood Protection Ordinance requirements can be met without adverse impact on other lands in the estuarine environment. S.J.R.W.M.D. has received an application. for construction of the stormwater quality treatment system and indicated verbally that the plans should not require any substantial.redesign to be approved. Approval of the Land Development Permit is pending the cut and fill waiver request, issuance of S.J.R.W.M.D., F.D.0.T.I F.D.E.R. water and sewer, City of Vero Beach Utilities Construction, F.D.N.R. dune walkover, County Land Clearing and Tree Removal permits, and U.S.F.W.S. approval of the Beach Mouse habitat preservation plan. 14