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• ATTACHMENT A.1 NARRATIVE DESCRIPTION FISCAL YEAR 1991-92 INDIAN RIVER COUNTY BEACH/DUNE ENHANCEMENT AT WABASSO BEACH PARK, GOLDEN SANDS PARK, AND TREASURE SHORES PARK GENERAL: The project provides beach erosion control by construction of dune overwalks for beach access, nourishment of the dune, and vegetation. The improvements are proposed for three County Parks: Wabasso Beach Park, Golden Sands Park, and Treasure Shores Park. The specific improvements are sununarized as follows: Wabasso Beach Park 1) Placement of sand for nourishment to offset two year erosion losses and dune revegetation. 2) Removal of exotic vegetation at the South Park boundary and revegetation with native 'species. 3) Vegetation of the crest of the dune on the landward side of the boardwalk. 4) Irrigation system to the dune vegetation. Golden Sands Park 1) Placement of sand for nourishment to offset two year erosion losses and dune revegetation. 2) Construction of the dune overwalk in Phase II as shown on the site plan. 3) Construction of vehicle access to the beach at the time -of nourishment for construction access and subsequent future emergency access. Treasure Shores Park 1) Construction of five (5) dune overwalks as shown on the site plan. One dune overwalk was funded in the 1990 FRDAP Grant. PROJECTS: Wabasso Beach Park The dune at Wabasso Beach Park will be nourished with 2000 cubic yards of beach compatible sand representing an average two (2) year erosion loss. The nourished dune will be planted with native vegetation such as sea oats, railroad vine and dune sunflower. An irrigation system will be installed with permanent main lines attached to the boardwalk and expendable laterals extended to the dune system. On the south boundary of the park, Australian Pines will be removed. This area will be revegetated with native species including sea grape, palmetto and yucca and irrigated to establish the plants. Also, the area landward of the boardwall' will be vegetated with native species including beach elder, sea grape, palmetto, and yucca.