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r BOOK 108 PAGE 213 11. G.1. PEP REEF PROJECT - CALIBRATION AND APPLICATION OF A 3-DIMENSIONAL NUMERICAL MODEL - FLORIDA INSTITUTE OF TECHNOLOGY The Board reviewed a Memorandum of January 18, 1999: TO: James E. Chandler, County Administrator THROUGH: James W. Davis, P.E., Public Works Director FROM: Jeffrey R. Tabar, Coastal SUBJECT: Calibration and Application of a Three Dimensional Numerical Model for the PEP Reef Project DATE: January 18, 1999 DESCRIPTION AND CONDITIONS During the design phase of the Prefabricated Erosion Prevention (PEP) Reef, a numerical computer model was developed. This model was used to evaluate the performance of the PEP Reef using various design configurations prior to deployment. Dr. Gary A Zarillo of Florida Institute of Technology (FIT) was the principle designer for the model. It was intended following deployment of the PEP Reef that the model would be calibrated using the monitoring data to simulate the performance of the Reef. This calibration phase varies from. the initial design phase by using actual field data (monitoring data) to enhance the model's accuracy. ALTERNATIVES AND ANALYSIS Public Works staff has been working closely with FIT to prepare an agreement which will provide professional services to calibrate the numerical computer model. The attached agreement includes all work necessary to complete the project tasks. Alternative No. 1 Approve the attached agreement which provides for the calibration and application of the model. Project costs: $20,500 Alternative No. 2 Deny the agreement and re -negotiate the contract. RECOMMENDATIONS Staff recommends Alternative No. 1 whereby the entire scope of services is approved. The professional services fee totals $20,500. Funding to be from Beach Restoration Fund 128-144-572- 033.19 ATTACHMENT Professional Services Agreement JANUARY 26, 1999 OR 0 •