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Policy 2.1: in existing developments, the cou-PAy shall r-eeenstfuet existing drainage systems and fest design capacity when read pa-ving is programmed tmder- the eounty's Petition Paving Program. Under the County's Petition Paving Program, Stormwater Management Systems associated with the road shall be repaired, reconstructed, or rehabilitated to meet LDR stormwater management facility design criteria. Policy 2.2: By 29282040, to the maximum extent practical, all existing reconstructed roadways in the eCounty shall be improved to meet the following level -of -service standard: 1. Minimum road crown elevation for existing roads shall be raised during resurfacing/rebuilding to the flood elevation resulting from the 2-year/24-hour storm event on local streets. 2. The center two lanes of rebuilt roads shall be at or above flood levels resulting from a 10 year/24-hour storm event on Arterial and, Collector and Thoroughfare Plan roads as defined by Land Development Regulations Chapter 952 - Traffic. Policy 2.2: By 2922040, all drainage basins within the eCounty shall meet a 10_year /24-hour storm event level -of -service standard. Policy 2.4: The eCounty shall require all new development sites to be designed with stormwater management fetention systems capable of water quality treatment equal to ^^eenune ^+ M^ 1.25 timeF the imper- .ieus surface area, ^r 01.5 inches times the project area, or greater as may be required by SJRWMD. Policy 2.5: By 2012, the eou-pAy will adopt a Stefmwater- Master- Plan. In developing the Stefmwater- Mastei-7 Plan, the eounty will analyze eaeh basin in the uaineefpor-ated eeunty, identify existing eendifiens and problems in eaeh basin, and identify pr-ejeeted growth in eaeh basin. As a fesult of that analysis-,4he eetffAy will idenAify a design stofm par-anaeler-, disehafge fate, land use allowanee, and stfue . . -nt plan for- eaeh basin. The county will eeer-dinate with the City of Sebastian and -A� prioritize analysis of the afeas within and adjaeent to the St. Sebastian River- . [Covered in Objective 3 of this Sub -Element] Policy 2.6: To ensure stormwater management facilities function properly, the c -County will continuously evaluate and adjust established defined level maintenance practices for public and private stormwater management facilities and will conduct inspections on a routine basis. Policy 2.9: By 2922027, the eCounty will conduct a comprehensive inventory of all stormwater management facilities in all 4 the drainage sub -basins under the county's jurisdiction. Policy 2.10: By.20-2030, the eCounty shall establish a Geographic Information System (G.I.S.)-based inventory, of all stormwater management facilities under the county's jurisdiction. Objective 3: By 2012, Indian River County will have an adeptea Ste f,.,.,water "rite- Plan, •.i ie • .:,, guideallincorporate all improvements to publicly maintained stormwater management facilities in Indian River County over a 20 -year time frame in the Capital Improvement Plan. Policy 3.1: By 2027, Indian River County, Indian River County will complete a stormwater Master Plan which will guide all improvements to stormwater Cts lvlmanagementlifaciltipsy for- stefm water- management facilities will be included as part of the Wian River- Cotmty SteFmwater- Master Plan, enee adopted. C:\Users\ufe-prod\AppData\Local\Temp\BCLTechnologies\easyPDF 8\@BCL@6414E534\@BCL@6414E534.docx 35 41