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Board of County Commissioners Meeting Minutes - Final December 5, 2023 flood storage was not always known. Orchid Landing, which was close to the river, was situated on a large Department of Transportation (DOT) conveyance ditch before it reached the mosquito impoundment. Vice Chairman Flescher and Mr. Lieske entered into discussion regarding the CRS points and how they benefit residents by lowering their flood insurance costs. Mr. Lieske emphasized that if the County loses points, it could drop down to a lower class. Currently, the County was in Class 5, which resulted in approximately 25% reduction for residents in special flood hazard areas. If points drop, residents would receive a 20% reduction. However, this only applied if they were in a special flood hazard area. A motion was made by Vice Chairman Flescher, seconded by Commissioner Loar, to approve staffs recommendation. The motion carried by the following vote: Aye: 4 - Chairman Adams, Vice Chairman Flescher, Commissioner Earman, and Commissioner Loar Nay: 1 - Commissioner Moss 12.1.2. 23-1082 Hammock Shores Subdivision, Partial Waiver Request to the 100yr Floodplain Cut and Fill Balance Requirements, SD -23-11-05/2004120094-95512 Recommended Action: Staff recommends that the Board of County Commissioners approve the partial 100 Year flood plain waiver in the amount of 52 acre-feet (84,000cubic yards) and require the project to meet the 10 Year flood cut and fill requirements with the expiration of the waiver to coincide with the Preliminary Plat approval expiration date (or any extensions thereof). Attachments: Staff Report Exhibit A FIRM Map With Site Location Exhibit AA - Location Map Exhibit B Preliminary Drainage Plan Exhibit C Cut -Fill Calc No Waiver Exhibit D Cut -Fill Calc 100 Year Waiver Exhibit -E -Exist. Storage Volume Exh ib it-F-Cut-Fil I-Calc4D-10Yr-Flood Exhibit G 100vr Floodwav Rise Calculation Acting Public Works Director Sean Lieske utilized a PowerPoint presentation to display the location of the Hammock Shores subdivision. The project was east of US Highway 1, between 73rd Street and 69th Street. The lots proposed were approximately 1,734 feet from the banks of the Indian River Lagoon and the developer may need to raise the houses to get them out of the flood plain. Indian River County Florida Page 17