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Attac6nnent A: Provisions to complete the Sewer System Assessment(SSA)Study <br /> A1. As stated in Paragraph 51,if EPA determines that Respondent unsatisfactorily <br /> responded to EPA's comments concerning the Sewer Collection System Alternatives <br /> Analysis,the Respondent must conduct a Sewer System Assessment(SSA) Study. <br /> A2. Within.,180 days of EPA's Sewer Collection System Alternatives Analysis <br /> determination,Respondent must submit to EPA for approval a Sewer System <br /> Assessment Study(SSA Study)work plan. Respondent must conduct the SSA study as <br /> generally described in Paragraph A3. Tbe SSA work plan must include, but is not <br /> limited to the following elements: <br /> a. Identify existing Combined Sewer System data and existing Separate Sanitary <br /> Sewer System data to be utiliZed in the development of the SSA Study. <br /> b. Identify additional data that will need to be collected to fulfill the requirements in <br /> Paragraph A3. <br /> c. Provide a Iist of deliverables that woufd be submitted in the final SSA Study <br /> Report. <br /> d. Prepare a schedule to begin implementing the activities that need to be conducted <br /> to satisfy Paragraph A3 (Final SSA Study Report). <br /> e. Provide the locations,an implementation schedule,and a rationale for placement <br /> of the flow monitots and rain gauges and any other additional required equipment <br /> . _ as described in Paragraph A3. <br /> f. Identify,through an initial review of the existing data,sewer sheds,sewer sub- <br /> basins, or areas with excessive UI that cause or contribute to SSOs,Unauthorized <br />, Combined Sewer Overflows,and Property Backups. <br /> g. Prepare a schedule for the completion of the final SSA Study Report. <br /> A3. In accordance with the schedule set forth in the approved SSA study work plan,as <br /> described in Paragraph A2,Respondent must submit to EPA a final SSA Study Report <br /> as generally described in"Existing Sewer Evaluation&Rehabilitaxion,"Water <br /> Environmental Federation(WEF)Manual of Practice FD-6,ASCE Manual and Report <br /> on En ineerin Practice No. 62. Res ondent will have up to 18 months from the <br /> g 8 P <br /> approval of the SSA work p}an to submit the final SSA Study. The SSA Study will <br /> invoive the use of verified existing attribute data and the collection and use of additional <br /> � physical attribute data for Respondent;this may include but not be limited to the use of <br /> verified existing rainfall and flow data,the collection and use of additional rainfall and <br /> flow da the monitorin of flows at ke locations within Respondent's Combined <br /> ' ta, g Y <br /> Sewer System and Separate Sanitary Sewer System,the monitoring of groundwater and <br /> � rainfall at appropriate location throughout both the Respondent's Combined Sewer <br /> � <br /> A1 <br /> f <br />