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Attachment #1 Work Order Number South Regional Wastewater Treatment Facility Permit Renewal Project Understandine The existing South Regional Wastewater Treatment Facility (SRW WTF) operates under Florida Department of Environmental Protection (FDEP) permit number FLA010435 which expires February 2007. The SRWWTF is approaching its design rated capacity of 2.0 million gallons per day (mgd) average daily flow (AADF) with average influent flows through March 2007 approaching 1 . 6 mgd. No increase in treatment plant capacity is proposed for this facility. Any increase in influent flows due to system growth will be transferred to the West Regional WWTF. Consideration in diverting future flows West via master lift station LS#89 in order to relieve current and future increase in flows to the South WWTF should be addressed in the permit application. Various influent loading levels such as total nitrogen (TN) have exceeded design treatment levels and CBOD5 levels have also been steadily increasing over the last several years . Review of fluctuations in influent quality and limitations in treatment plant capacity should be reviewed as pan of the permit renewal . Indian River County Utilities staff has requested Kimley-Horn and Associates, Inc . prepare and submit an application for renewal and respond to requests for additional information (RAI) which may arise from FDEP as a result of the application submittal . The intent is to submit the application by August 2006, six months prior to its expiration date in order to allow for FDEP agency review and RAI response time. SCOPE OF SERVICES The Scope of Services for Work Order # 13 consists of the following: Task 1 — Prepare Application Consultant will prepare a Wastewater Permit Application Form 2A (DEP Form 62-620.910(2)) for Domestic Wastewater Facilities and submit application with attachments to FDEP. The application will be for a permit renewal without any major modifications to the facility. Information from the previously submitted operating permit renewal package submitted in 2001 will be utilized as a basis for preparation of the renewal application. General information will be collected from IRCU and included with the application, including effluent disposal , residuals disposal , and a description of flows proposed to be diverted to the West Regional WWTF. It is assumed that no improvements will be necessary as part of the permit renewal . If, during the capacity analysis review a list of minor improvements are recommended, a preliminary engineering report can be provided as an additional service. Consultant will prepare draft of application and attend one meeting with IRCU staff to review the application and collect additional information necessary to complete the application . Consultant will submit a final draft of application package to IRCU staff for review prior to submission to FDEP. It is anticipated that the final draft will be submitted to IRCU staff by end of July 2006 approximately I month E:ASmah IRCU WWTP Operating Permit Renewal Scope revl .doc Page I of 5