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ATTACHMENT A-3 <br />REVISED GRANT WORK PLAN <br />PROJECT TITLE: Indian River County Oyster Bed Project <br />PROJECT LOCATION: Latitude/ Longitude: 27.651817, -80.371698 <br />PROJECT BACKGROUND: The Indian River Lagoon has more than 2100 species of plants and 2200 <br />species of animals making it North America's most diverse estuary. Indian River County (Grantee) is <br />committed to protecting and preserving the Indian River Lagoon. In the past, the Grantee has successfully <br />established an oyster bed reef in an area adjacent to Spoonbill Marsh in Vero Beach, Florida, which has <br />reduced the amount of total nitrogen (TN) and total phosphorus (TP) entering into the Indian River Lagoon <br />in the area. The Grantee wishes to continue its efforts by constructing a living shoreline/oyster reef along <br />the shoreline of Foot Island. Foot Island is a roughly 2,750 sq. foot island located within Vero Beach, <br />Florida. Evidence of erosion has been observed along the western and southern portions of the island where <br />dead mangroves were exposed, likely due to boat wake and a relatively large fetch. The purpose of the <br />proposed oyster reef would be to a) stabilize the Foot Island shoreline and b) improve water quality <br />conditions of discharges from the adjacent Florida Department of Transportation (FDOT) outfall pipe into <br />the Indian River Lagoon. At this point in time, the project's conceptual design is complete and the Grantee <br />has received permission from the Indian River Board of County Commissioners to proceed with the <br />proposed project. <br />PROJECT DESCRIPTION: The project will require the Grantee to construct living shoreline/oyster reef <br />along much of the Foot Island shoreline with emphasis on the western and southern portions of the island. <br />The southern and western portions of the island are also adjacent to the FDOT outfall pipe. The oyster <br />bags will be stacked to create void spaces throughout the reef structure of differing sizes, dimensions, and <br />openings to the Indian River Lagoon. The proposed oyster reef is approximately 27,500 square feet. The <br />reef location is close enough to the Foot Island that it will not inhibit the navigability of the area. The reef <br />provides a habitat for attached and encrusting organisms such as oysters, and other invertebrates such as <br />stone crabs, juvenile fish species, and game fish species. In turn, the reef will act as an in-situ water <br />treatment system to facilitate the removal of total nitrogen (,TN) and total phosphorus (TP) from stormwater <br />discharged through the FDOT outfall into the Indian River Lagoon. The reef is self-perpetuating in that the <br />attached and encrusting invertebrates and turf algae will continue to overgrow any bare areas created in the <br />future. <br />TASKS: All documentation should be submitted electronically unless otherwise indicated. <br />Task 1: Construction <br />Deliverables: "hhc Grantee will construct an oyster bed reef in accordance with the construction contract <br />documents. <br />Documentation: The Grantee will submit 1) a signed acceptance of the completed work to date, as provided <br />in the Grantee's Certification of Payment Request; 2) written verification that the Grantee has received <br />record drawings and any required final inspection report(s) for the project (as applicable); and 3) a signed <br />Engineer's Certification of Payment Request (as applicable). <br />Performance Standard: The Department's Grant Manager will review the documentation to verify that <br />the deliverables have been completed as described above. Upon review and written acceptance by the <br />Department's Grant Manager, the Grantee may proceed with payment request submittal. <br />DEP Agreement No. S0839, Attachment A-3, Page 1 of 2 <br />