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Item 3A February 17, 2004 MEMORANDUM TO: The Honorable Mayor and Members of the City Commission AGENDA ITEM #3A FEBRUARY 23, 2004 ~" FROM: Jim Hanso rty Manager "~ SUBJECT: Follow-up eport Ocean Outfall Lines at 7th and 10th Streets; A question was raised at the last commission meeting about what the City intended to do with the remaining storm water outfall structures on the beach at the 10th and 7th Street access points. These were originally designed to carry storm water out of Atlantic Beach to the ocean. The drainage that fed into these outfall lines was redirected as part of the recently completed Core City Project so that these areas would now drain to the Selva Lagoon system and ultimately out to the intercoastal waterway. The redirection of drainage waters away from the beach areas has been encouraged by the state for several years. However, the outfall structures on the beach still remain. The designer of the project, Neil Aikenhead, specifically left these structures in place with the idea that they would be available for use incase of catastrophic rain events in the future. If such a rain event were to occur, and the Selva Lagoon system could not handle the storm water, it would be possible to temporarily unplug the old lines leading to the beach to help relieve those flooding conditions. Staff s recommendation is to leave these structures in place, although steps can be taken to make them less objectionable. The sand around these structures has eroded in the past because of the flow out of the structures to the beach. Since these lines were rerouted, much of the sand that was eroded has migrated back and the structures do not stick out as far as they did. If the sand is not completely returned to its normal level by the time of the expected 2005 Renourishment Project, then it can be filled in at that time. In the meantime, city staff will paint over the graffiti that was recently painted on some of the structures. State Law on Sneed Bumps; One question raised during a recent discussion about possible installation of speed bumpslhumps along Plaza Drive was whether or not any state law exists that would limit the city's authority to install speed bumps/humps along that street. This question has been researched by the Police Department which was unable to find any state laws that restrict the use of speed bumps/humps on city streets. There are numerous jurisdictions that implement traffic calming devices of various sorts, including speed bumps/humps. AGENDA ITEM #3A FEBRUARY 23, 2004 e~. Outstanding Items; Items that were previously discussed at commission meetings that are currently being studied include the following: • Water/Sewer Rate Restructuring; Revised estimates of the effect of the proposed water `~ and sewer restructured rates are due from the consultants, Burton and Associates, during the week of February 17`h, although they are not available at the time of the writing of this report. ~• • Roundabout Study; The city's consultant, GAI, has reported that the work is ~ approximately 80% complete. The initial target date set for the completion of the report is past and the engineer working on the project has committed for completion by the end of February. • Sidewalk Extension at 5`h and Sherry Drive; Commissioner Parsons volunteered to meet with the owner to try to work out a mutual agreeable solution. No report is available has of the date of this follow-up.