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approximately 22 miles east of Indian River County at 27 . 75 N 80.00W in approximately 148 feet of water. 42. 1 .5 Harbor of Refuge. The nearest harbor of refuge is Ft. Pierce Inlet, which is located approximately 8 miles south of the north end of the project site. 42. 1 .6 Access. Access to the beach and borrow area shall be as noted on the drawings and other locations approved by the COUNTY. Limits of beach access and staging areas shall be field-verified by the COUNTY . The CONTRACTOR shall review and comply with all local and State road and bridge limitations oT restrictions. 42. 1 .7 Boat Traffic. Boat traffic in the vicinity of the project site and borrow area is likely to include pleasure boats, fishing boats and commercial vessels. 42. 1 .8 Navigation and Obstruction of Channels. The CONTRACTOR shall operate in full compliance with pertinent U.S . Coast Guard regulations and conduct the work in such a manner as to minimize any obstruction to navigation. If the CONTRACTOR's plant obstructs any navigation channel or endangers other vessels, the plant shall be promptly moved as necessary to afford a practicable passage of other vessels. Upon completion of the work, the CONTRACTOR shall promptly remove the plant, including ranges, buoys, piles and other marks or objects placed in navigable waters or on shore. 43 . DUNE VEGETATION 43 . 1 Native beach vegetation will be planted on 18-inch centers. The plants will be sea oats ( Uniola paniculata), and other appropriate coastal pioneer plants such as dune panic grass (Panicum amarum), railroad vine (Ipomoea pes-caprae), and dune sunflower (Flelianthm debilis). Vegetation will be planted on the- horizontal section of the constructed dune as illustrated in the plans, except at public and residential access points. At each such access point, a grass-free zone will be maintained. 43 .2 Based on the area of the horizontal section of the proposed dune (6 . 17 acres), approximately 137,911 liner size plants will be required. This includes allowance for public and residential access points. The COUNTY will provide plans for the layout of plants within 90 days after construction start . The CONTRACTOR will determine the schedule and method of construction. All planting shall be completed within 30 days of the end of construction, unless the CONTRACTOR can demonstrate a delay to optimal planting season is beneficial . 43 .3 Plant Materials. Plants used in the restoration project shall originate from the East Coast of Florida. All plants used in the project shall conform to Florida # 1 grade as listed in Grades and Standards for Nursery Plants, published by the Division of Plant Industry as to health and vitality , condition of foliage, root system, and freedom from pest or mechanical damage. Plants used in the project shall have been grown in a manner consistent with the natural habitat of the specific species. Plants that do not TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS Rev October 5. 2007 TS-45