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<br />~\_L~. <br />~~ <br />SYSTEMS <br />~ <br /> <br />...... ArcIarmn & Associates, Inc. ([j) I <br />:=.a= C'roochicaJ. EnvirCXlTerla ad HAD 0 N N E <br />~ MltenasCorlsUlarts <br /> <br />December 2, 2011 <br />City of Sunny Isles Beach <br />Request for Qualifications <br />Civil Engineering Services to Design <br />Street and Drainage Improvements <br />RFQ No.: 11-11-02 <br />Page 7 <br /> <br />) <br /> <br />Several of these structures designed and permitted by Coastal <br />Systems have been installed in Miami Beach, and this same design <br />approach will be applied by Coastal Systems for the City of Sunny <br />Isles Beach on this project. The hydraulic performance of the <br />proposed outfall for this project is critical to hydraulic <br />performance of the new drainage system, and Coastal Systems has <br />extensive experience permitting the outfall through the County's <br />Class 2 Permit program administered by PERA (f.k.a. DERM). <br /> <br /> <br />, J <br />- -~=; <br />~. --~J <br />_== \.._::..11', <br /><M t",,=-, <br /> <br /> <br /> <br />I <br /> <br />Coastal Systems has designed over 50 drainage wells for public <br />and private clients in Miami Beach and other areas of Southeast <br />Florida. These wells have been gravity wells, and Coastal Systems <br />understands the unique requirements for the successful <br />performance of these wells. Coastal Systems is not a proponent of <br />pressure-injected drainage wells, and does not believe these types <br />of wells are the proper approach for this project. Some gravity <br />wells may be suitable for this application, however ideally the use <br />of the outfall would be optimized to minimize the cost and the <br />additional permitting through the DEP for drainage wells. <br /> <br />) <br /> <br />p.~ <br /> <br />The following is a line-by-line response to the scope of work <br />outlined in the RFP: <br /> <br />Miami Beach Standard Tideflex <br />Outfall Structure <br /> <br />Surveying - Coastal Systems will manage Haddon to provide the <br />required Right-of-Way topographic survey for the project. This <br />firm will also complete a subsmface utility location survey within <br />the project limits. <br /> <br />Design Calculations - Coastal Systems regularly prepares <br />drainage calculations in the standard format required by Miami- <br />Dade County and/or the South Florida Management District. <br />Hydrology and runoff calculations are completed, and the <br />treatment and conveyance designed accordingly. Coastal Systems <br />regularly prepares calculations for local drainage projects, so the <br />firm understands the requirements and limitations of the agencies <br />relati ve to each type of system. <br /> <br />Construction Plans and Specifications - Coastal Systems <br />prepares detailed construction plans based on the engineering <br />design and the required standards of the municipality and/or the <br />County. These are engineered plans, and the firm regularly <br />processes bid documents for municipal clients. <br /> <br />Corporate Office: 464 South Dixie Highway. Coral Gables, Florida 33146. Tel: 305-661-3655 . Fax: 305-661-1914 <br />Regional Office: 2047 Vista Parkway, Suite 101. West Palm Beach, Florida 33411 . Tel: 561-640-1003 . Fax: 561-640-1009 <br />www.coastalsvstemsint.com.info@coastalsystemsint.com <br />