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APTIM December James Gray 8, 2017 Page 11 of 12 Task 10: Immediate Post -Construction Biological Monitoring The Biological Monitoring Plan developed for the Sector 5 project during permitting will require pre- and post - construction biological monitoring adjacent to the project area to monitor for potential secondary impacts to nearshore natural hardbottom. The scope for this task is based on early coordination with FDEP and the FDEP Standard Operating Procedures for Nearshore Monitoring of Beach Nourishment Projects (FDEP, 2016). The immediately post -construction nearshore hardbottom monitoring shall include: 1) Hardbottom edge mapping 2) Monitoring permanent transects Task 10: Scope of Work • Hardbottom Edge Mapping: APTIM shall map the position of the nearshore hardbottom edge for the entire Sector 5 project area, including 1000 feet north and 2000 feet south of the project area (R-69 to R-88) for a length of approximately 3.6 miles (the hardbottom edge is further offshore beyond 2000feet south of the project area). A buoy with a Differential Global Positioning System (DGPS) antenna linked to a topside laptop computer running HYPACK navigational software will be towed by divers to record the position of the nearshore hardbottom edge. The divers will follow the inshore contour of the most prominent hardbottom-sand border. The purpose of the survey is to compare the immediate post -construction edge delineation to the pre -construction delineation. • Monitoring Permanent Transects: The 23 transects established during pre -construction will be monitored to document the immediate post - construction condition of the hardbottom using quadrat assessments, sediment measurements and video/photo documentation. The PEP Reef located near R-81 to R-83 will also be qualitatively assessed during this effort. Up to sixteen (16) 0.75-m2 quadrats will be sampled along each transect to quantify the benthic community. Sediment data will be collected using line -intercept and 1-m interval sediment depth measurements, and video documentation will also be collected for the length of each transect. It is anticipated that the effort to delineate the hardbottom edge and monitor the transects will take up to 12 field days. Immediate post -construction data will be compiled and incorporated into an interactive GIS database and in situ data will be entered into an Access database. Data entry, reduction, archiving, and analysis time is included in the cost estimate to address the data management and reporting requirements for those 12 days of field operations. Task 10: Deliverable Raw data will be provided to FDEP and the County within 45 days of completion of the survey. This includes a PDF of the scanned datasheets, excel spreadsheets with quadrat data, interval sediment depth measurements and line -intercept data, shapefiles of the hardbottom edge survey, video and photo documentation. Within 90 days after completion of the immediate post -construction survey, a nearshore hardbottom monitoring report shall be submitted. This report shall provide a comparative analysis of the pre -construction conditions documented on the w0#23: Sector 5 Permitting and Construction Services Proj. #636232224 109