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SEP 2 1936 BOOK 6U F�'. E 5 70 WORK & PURPOSE: The applicant proposes to construct a multi - fa mily residential community covering approximately 854 acres with 3000 dwelling units. The project also contains a com- mercial marina, an office park, a shopping center and golf and tennis facilities. Approximately 127,131 cubic yards of dredge material, taken from lakes to be created on existing uplands, will be placed over approximately 39.4 acres of jurisdictional wetlands. As mitigation, a total of 114.0 acres of jurisdic tional wetlands will be created from existing uplands and 5.2 acres of existing wetlands will be rehabilitated. An existing marina basin and entrance channel will be modified for com- mercial use. The marina will provide docking for a maximum of 144 boats, of which one half will be restricted to sailboats. The project site .is located in critical habitat for the West Indian Manatee. The Corps of Engineers consulted with the U.S. Fish and Wildlife Service to determine the impacts this project may have on -the species. It has been determined that, with the inclusion of conditions for the protection of the manatee, the project, if issued, will not jeopardize the continued existence of the species. These conditions include (but are not limited to) educational information, speed restrictions and studies to determine the abundance and distribution of manatees. DESCRIPTION AND CONDITIONS: The Grand Harbor estuarine plan has undergone numerous revisions since the Board of County Commis- sioners approved the Grand Harbor DRI development order on October 23, 1985. In the process of development order compliance, the applicant has removed the previously depicted marina basins, limiting the development to include only the existing basin for marina purposes. In addition, the applicant has increased the amount of "high" marsh that will be preserved or created on site and has prepared a mosquito management plan for the proposed wetland system. Planning staff, as well as the Treasure Coast Regional Planning Council and the Governor's Technical Subcommittee on Managed Salt Marshes is currently reviewing all documents -and plans relating to the estuarine -_-plan. ALTERNATIVES & ANALYSIS: The Planning and Development Division reviews and submits comments on dredge and fill applications to the permitting agencies based upon the following: The Conservation & Coastal Zoning Management Element of the Indian River Comprehensive Plan Coastal Zone Management, Interim Goals, Objectives and Policies for the Treasure Coast Region - The Hutchinson Island Planning & Management Plan - The Indian River County Code of Laws and Ordinances - Chapter 16Q-20, Florida Administrative Code In addition to the above referenced documents planning staff is reviewing this application as it relates to the Grand Harbor DRI development order approved by the Board of County Commissioners on October 23, 1985 (Resolution 85-128). Condition number 8(d), Habitat, Vegetation and Wildlife, states that the estuarine system must meet the following performance standards: It (estuarine plan) may include proposals to excavate or fill any wetlands designated as exempted wetlands in Exhibit -9 of this report. Excavation or fill proposals in other wetlands (non-exempt wetlands) shall be limited to those which are necessary to provide for the following management objectives: KVA