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M A MASTELLER & MOLER, INC. M1 —CIVIL ENGINEERS — 165527 1h Street, Ste.. 2, Vero Beach, FL 32960 (772) 567-5300 Engineering Certifications: Upon completion of civil construction work and review of As -Built and Testing results to confirm proper construction, we shall prepare Engineering Certifications to be submitted to the following agencies: 1. IRC Department of Utility Services; 2. Florida DEP Temporary Wetlands Impact Restoration Certification 3. ACOE Temporary Wetlands Impact Restoration Certification Our submittal of certifications assumes that all civil work will be properly constructed and tested prior to submittal of the Engineering Certifications and request to place systems into operation. Phase 2 — Unpaved Maintenance Road Upgrade Task 2A — Civil Engineering Design & Construction Plans Consultant shall design and prepare Construction Plans for the upgrade of the existing unpaved maintenance roadway from the vicinity of the Spoonbill Marsh Florida Power & Light Transformer to the Intake Pumping Facility. It is intended to have roadway remain unpaved, however, be designed to be raised to a minimum elevation of 3.0' NAVD88. The Construction Plans will include the estimated limits of permanent wetlands impacts. Due to the fact the upgraded roadway will remain unpaved with a similar surface, has limited use, and there will be no increase in impervious surfaces, the Construction Plans will not be supported by any stormwater computations. As the scope of the work to upgrade the existing roadway is considered a maintenance upgrade, we have not included any scope of services related to obtaining a permit associated with the treatment and attenuation of the runoff from the roadway as runoff conditions will not be substantially altered. Task 213 — Environmental Sery It is anticipated the Phase 2 construction work will result in "Permanent" wetland impacts for which mitigation will be required. Consultant shall provide for the required Environmental Services to be performed by subconsultant Atlantic Environmental of Florida, LLC to include the following services: • FDEP / SJRWMD Environmental Resource Permitting (by Atlantic Environmental of Florida): A. UMAM Analysis (IF REQUIRED): Based on the site inspections and coordination with the FDEP, Atlantic Environmental will develop a Unified Mitigation Assessment Methodology (UMAM) analysis for any wetland impact allowing the Functional Loss that will occur to the wetlands as a result of the project. In addition, Atlantic Environmental will develop a wetland mitigation strategy that will provide sufficient Relative Functional Gain to offset the calculated Functional Loss. The UMAM analysis will be generated for a mitigation Page 6 of 11