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Stormwater (Drainage)
<br />All developments are reviewed for compliance with county stonnwater regulations which require on-site
<br />retention, preservation of floodplain storage and minimum finished floor elevations In addition,
<br />development proposals must meet the discharge requirements ofthe county Stormwater Management
<br />Ordinance. Since the site is located within the M-1 Drainage Basin and the Indian River Farms Water
<br />Control District (IRFWCD), development on the property will be prohibited from discharging any runoff
<br />in excess of two inches in a twenty-four hour period, which is the approved IRFWCD discharge rate.
<br />In this case, the minimum floor elevation level ofservice standards do not apply, since the property does
<br />not lie within a floodplain However, both the on-site retention and discharge standards apply With the
<br />most intense use ofthis site under the proposed amendment, the maximum area of impervious surface
<br />would be approximately 40.24 acres The maximum runoff volume, based on that amount of impervious
<br />surface and the 25 year/24 hour design storm, and given the IRFWCD two inch discharge requirement,
<br />would be approximately 2,353,417 cubic feet. In order.to maintain the county's adopted level ofservice,
<br />the applicant would be required to retain approximately 1,769,132 cubic feet ofrunoffon-site. With the
<br />soil characteristics ofthe subject property, it is estimated that the pre -development runoffrate is 277.43
<br />cubic feet/second.
<br />Based upon staff's analysis, the drainage level of service standard would be met by limiting off-site
<br />discharge to the IRFWCD 's maximum discharge rate of two inches m twenty-four hours, and requiring
<br />retention of the 1,769,132 cubic feet of runoff for the most intense use of the property.
<br />As with all development, amore. detailed review will be conducted during the development approval
<br />process.
<br />Recreation
<br />A review of county recreation facilities and the projected demand that would result from the most intense
<br />development that could occur on the subject property under the proposed land use designation indicates
<br />that the adopted level of service would be maintained. The following table illustrates the additional park
<br />demand associated with the proposed development ofthe property and the existing surplus park acreage.
<br />Concurrency Summary
<br />Based on the analysis conducted, staffhas determined that all concurrency -mandated facilities, including
<br />drainage, roads, solid waste, water, wastewater, and parks, have adequate capacity to accommodate the
<br />most intense use of the subject property under the proposed land use designation.
<br />While all services and facilities have adequate capacity to accommodate the most intense use ofthe subject
<br />property under the proposed land use designation, this positive concurrency test, by itself, is not an
<br />indication that the subject property is appropriate for urban intensity development.
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<br />PARK INFORMATION
<br />LOS (Acres per 1,000 Population)
<br />Project Demand (Acres)
<br />Surplus Park Acreage
<br />4.0
<br />0.736
<br />1,164
<br />Concurrency Summary
<br />Based on the analysis conducted, staffhas determined that all concurrency -mandated facilities, including
<br />drainage, roads, solid waste, water, wastewater, and parks, have adequate capacity to accommodate the
<br />most intense use of the subject property under the proposed land use designation.
<br />While all services and facilities have adequate capacity to accommodate the most intense use ofthe subject
<br />property under the proposed land use designation, this positive concurrency test, by itself, is not an
<br />indication that the subject property is appropriate for urban intensity development.
<br />JULY 16, 2002
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