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a a 6 MS4 Permit&Stormwater Utility Fee, Marathon, FL ® Chen Moore and Associates contracted with City of Marathon for the preparation of: ® • Stormwater Utility Fee and Ordinance ® • Roadway/Drainage Inventory Map ■ MS4 Notice of Intent ® The Stormwater Utility Fee process included a large GIS component. The impervious area of a sample ® set of residential parcels was digitized using aerial interpretation in GI5. An Equivalent Residential ® Unit (ERU) analysis was completed by calculating the average impervious area per residential parcel. ® The impervious area for each non-residential lot was digitized and the number of ERUS was assigned. The total fee was established by analyzing the anticipated yearly public works program by the City. A ® weighted Stormwater Utility Fee was determined for each parcel based on ERUS.The list of parcels with ® fees was submitted to the tax authority. We then prepared the Stormwater Utility Ordinance for the ® City,including the fees for different types of land uses and assisted the City by explaining the processes and outcome to the City Commission at meetings. Chen Moore and Associates continues to do yearly ® re-assessments of the tax roll to account for changes in property ownership, new developments and appeals by residents. ® Permitting efforts for the DEP M54 Permit required obtaining the locations of drainage structures.The team collected GPS coordinates of structures in the FDOT Right of Way from FDOT. These coordinates • were collected by a contractor during the annual system cleaning program. This realized a low cost ® option for obtaining the necessary data. ® Chen Moore and Associates also performed a roadway inventory, data collection, assessing asphalt ® conditions, mapping street signs and writing the roadway conditions report. During this part of the project,every street was visited to collect field data for the GIS.The pavement condition was assessed ® using a methodology similar to AASHTO Standards.The roads were segmented to allow for more control ® over reporting. The final report prioritized roads to be rehabilitated or repaired, the types of repairs required and the estimated costs projected for 5 years. Each road sign was photographed using a GPS ® camera developed by Chen,which captured GPS coordinates along with the images.This allowed for a ® GIS map to be created for the City with hyperlinks to the sign photos. It also allowed for better photo ® management essential for accurate reporting. This low cost methodology used the latest technical developments of its time to produce the high quality report. ® Client ® City of Marathon ® Zully Hemeyer 0 9805 Overseas Highway Marathon, FL 33050 ® (305) 289-5009 0 0 0 0 0 0 0 S CH Et00 RE REQ No.11-04-02 Continuing ProfessionalArchitectural3 Engineering Services Firms Only(CCNA) • Colegory.CivilEngineering 2-6 &ASSOCIATES