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1 <br /> 2 . The bridge lengths for each of the replacements will be customized to fit the specific sites . <br /> Both bridges are assumed to be no more than two spans , with a maximum span length of <br /> about 40 feet . <br /> 3 . Bridge plan geometrics and wingwall configurations will minimize the encroachment of <br /> the bridge ends into adjacent intersections and driveways . Wingwalls will also be set to <br /> allow for utility burial at the bridge ends . <br /> 4 . Slope protection , rip-rap and/or sheetpiles will be used at the bridge abutments to <br /> stabilize the canal banks in the vicinity of the bridges . <br /> 5 . It is anticipated that the COUNTY will allow road closures at all three bridge replacement <br /> locations such that phased construction will not be required . <br /> 6 . Utility coordination will be performed in order to evaluate existing utilities and <br /> accommodate utility crossings on the proposed bridges . <br /> 7 . The bridge design will be performed in accordance with the 1998 Edition of the <br /> AASHTO LRFD Design Specifications with Interim Revisions through 2002 , and the <br /> 2002 FDOT Structures Design Guidelines, LRFD Edition . <br /> 8 . Construction and material specifications will be based on FDOT Standard Specifications <br /> for Road and Bridge Construction, 2002 Edition . <br /> 9 . All design and plan details will be in the English unit system . <br /> 10 . Bridge plan submittals are anticipated at the 30%, 90%, and 100% stages . The 30% <br /> submittal will occur after the 30% roadway and intersection geometry has been reviewed <br /> and approved by the County . Bridge 30% plans will include General Plan and Elevation <br /> views, Typical Sections and Notes . The 90% submittal will consist of Contract Plans and <br /> preliminary quantities and cost estimates . The 100% submittal will be the Final Plans, <br /> with Quantities, Opinion of Cost and Specifications . <br /> G . Certification <br /> 1 . Certification will be made to St. Johns River Water Management District based on As- <br /> Built data provided by the COUNTY . <br /> 2 . Certification will be made to Indian River Farms Water Control District based on As- <br /> Built data provided by the COUNTY <br /> 11 <br />