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Page 2 2021 Summer Beach Profile Survey January 5, 2021 BCC Agenda Item Task 2: Summer 2021 Sector 3, Phase 2 Physical Monitoring Survey (R-46 to R-60, 15 Onshore/Offshore Profile Lines) Sector 3 Nourishment Project Phase 2 includes surveying the remainder of the Sector 3 project area (approx. 2.8 miles) required to provide pre -construction physical monitoring data for Phase 2 of the Sector 3 Beach and Dune Nourishment Project area which is anticipated to begin construction in November 2021. Task 2 totals a lump sum amount of $8,060.00. Task 3: Summer 2021 Sector 5 Physical Monitoring Survey (R-65 to R-91, 27 Onshore/Offshore Lines Sector 5 Beach and Dune Nourishment Project was completed in February 2020. The County is required by the FDEP Permit to monitor the physical changes associated with the nourishment project semi-annually to determine the long-term performance of the project and if infrastructure may be vulnerable to storm damage. Task 3 includes surveying (approx. 4.5 miles) required for the summer semi-annual monitoring of the Sector 5 Beach and Dune Nourishment Project area: Task 3 totals a lump sum amount of $15,065.00. Task 4: Summer 2021 Sector 7 Physical Monitoring Survey (R-97 to R-108, together with R99.5, 100.5, 101.25, 101.5, 101.75, 102.25, 102.5, 102.75, 103.25, 103.5, 103,75, 104.25, 104.5, 104.75y 105.25, 105.5, 105.75, 106.5 and 107.5, 31 Onshore/Offshore lines) Hydrographic surveys of the project area must continue semi-annually to determine the long- term performance of the beach and if infrastructure may be vulnerable to storm damage during years in between recommended beach projects identified in the Beach Preservation Plan. Hydrographic survey data collected from this task is required for updates to the design of the upcoming Nourishment Project. Task 4 includes surveying (approx. 2 miles) required for the summer semi-annual monitoring of the Sector 7 Beach Nourishment Project area and for design updates for the upcoming nourishment project. Task 4totals a lump sum amount of $18,142.50. Task 5: Summer 2021 Countywide Beach Monitoring (R-61 to R-64, R-92 to R-96, and R-109 to R-119, 20 Onshore/Offshore lines) For the shoreline outside of the Sectors 3, 5, and 7 beach projects, countywide beach profile surveys are necessary to identify areas of chronic beach erosion and determine if infrastructure may be vulnerable to storm damage. The beach profile surveys will then be used to determine appropriate projects to mitigate erosion as identified in the County Beach Preservation Plan, including the upcoming Nourishment Projects. Task 5 includes the remaining countywide (approx. 4 miles) beach profile surveys. Task 4 totals a lump sum amount of $11,795.00 Please note: The Sebastian Inlet District (District), as part of their Inlet Management Plan, conducts semiannual beach profile surveys along the northern 5.6 miles of the County. The District continues to partner with the County and has agreed to provide their certified 2021 beach profile survey data to the County, resulting in a complete 22.4 mile countywide beach profile survey and a combined annual savings of approximately $30,000 to the County.