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f t.S'. of Flono>t <br />DEPARTMENT OF ENVIRONMENTAL REGULATION <br />INTEROFFICE MEMORANDUM <br />Fa Rovtinq. TQ binrld f1Hl�w—"—""-j <br />awt/Or To Othw Than I he , roes" <br />To: <br />Loci _ <br />To <br />Locin.: <br />70: <br />Loc in.. <br />Oatr <br />TO: File <br />ST. JOHNS RIVER DISTRICT <br />THROLIC:i: Beverly Birkett <br />THROUGH: Walt Wheeler <br />FROM: Meese. Kessler <br />DATN'- May 15, 1981 <br />SUI3ncr: Indian River County - D/I' <br />Indian River Country <br />File No. 31-39798 <br />A. <br />The applicant proposes to construct approximately a one mile ex- <br />tension of Indian River Blvd. from SR60 north to Barber Avenue. T}o <br />primary purpose for the road is to provide quicker access to a <br />n(-Iarby hospital. ' The extension, across mosquito control impoundment._;, <br />includes: 1) constructing a 126 foot bridge over the main canal, <br />2) installing a double 10 foot by 5 foot box culvert in the north <br />canal (Vossinbury Creek), 3) installing a double 9 foot by 4 foot <br />box culvert in a'ditch along Barber Avenue, and 4) providing several <br />eliptical pipes under the proposed road. n total of approximately <br />8.1 acres of wetlands are involved. ,%� <br />The crossing and filling of the wetlands will be <br />of fill (mostly a moquito control back dike) and <br />24 inch culverts with flap gates (on downstream <br />tidal influence to impounded wetlands. <br />B. <br />offs <br />the <br />side) <br />O� <br />The general vicinity is the west shore of the Indian <br />Keach north of S R60. This section of the Indian Rive <br />Waters and is moderately developed. Development, restricted mainly <br />to south of SR60 and the river east shore, consists of single family <br />waterfront homes. The project vicinity and areas immediately n6rth <br />can be characterized as historical mixed mangrove and Batis/Salicornia <br />communities. Later these areas were impounded to control mosquito <br />breeding. Due to property owner requests, each impoundment cell <br />is now in differing adverse conditions. Some cells are no longer <br />managed for mosquito breeding by the impounding technique (dikes <br />remain) while others are influenced by tides. Within the past few <br />E00� , <br />_ PALE 863 <br />JUL 15 1981 41 <br />