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Indian River County, Amendment No. 4 <br />66'n Avenue/ County Road 510 Roadway Widening <br />phasing and/or schedule of various County roadway projects, roadway transitions <br />may be required within the DESIGN LIMITS to tie to abutting roadway facilities, <br />E. Stormwater Design & Permitting <br />1. Perform drainage investigations and analysis necessary to prepare a design <br />which will drain the project in accordance with the City of Sebastian, St. <br />Johns River Water Management District (SJRWMD), Sebastian River Water <br />Control District (SRWCD), Army Corps of Engineers (ALOE) and/or Indian <br />River County design criteria. <br />2. The ENGINEER shall prepare stormwater permit applications for the <br />SJRWMD, SRWCD, ACOE and US Environmental Protection Agency (EPA) <br />requirements for submittal by the COUNTY. This will consist of all required <br />evaluation, design, coordination, and follow-up work necessary to support <br />permit applications. The COUNTY will review the permit applications as <br />necessary. The ENGINEER shall assemble and be responsible for the final <br />submittal. <br />3. The ENGINEER shall prepare permit sketches for submission by the <br />COUNTY to ACOE, and SJRWMD for dredge and fill activities, if necessary. <br />The ENGINEER shall submit all permit sketches on 8" x 11" sheets. Sketches <br />shall be neatly scaled, signed and sealed, and reproducible. <br />4. Environmental evaluations and/or biological summary reports necessary to <br />discern impacts to other surface waters, wetlands and/or endangered species <br />associated with contemplated alignments will be completed, if necessary. <br />Should mitigation plans be required to address delineated impacts a separate <br />agreement with the COUNTY will be provided as an additional service, or the <br />applicable COUNTY Department may design modifications with Department <br />Staff or other consultants. <br />5. Stormwater Design and Permitting will be performed and any cost savings, <br />should the COUNTY enter into a development agreement with adjacent <br />property owners that enables the COUNTY to utilize their lands for the <br />purpose of stormwater attenuation and water quality treatment, shall be passed <br />on to the COUNTY. <br />6. A Stormwater Pollution Prevention Plan (SWPPP) will be developed in <br />conjunction with this project. The site specific SWPPP is a requirement of <br />both the EPA National Pollutant Discharge Elimination System (NPDES) <br />General Permit for Stormwater Discharges from Construction Activities, and <br />the FDEP Generic Permit for Stormwater Discharges from Construction <br />Activities. Note: SJRWMD administers permit for FDEP. <br />G. Sienalization Plans <br />Signalization plans will be developed in conjunction with the roadway <br />Page 5 of 8 <br />