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r of Santa Ana Section 9: Monitoring Measurement and Pro Section 9: Monitoring, Measurement and Program Modifications This section of the SSMP presents the City's monitoring, measurement and Program modifications for the sanitary sewer system. 9.1 Requirements for Monitoring, Measurement and Program. Modifications Element The City's Monitoring, Measurement, and Program Modifications shall encompass the following components: 1) Maintain relevant information that can be used to establish and prioritize appropriate SSMP activities; 2) Monitor the implementation and, where appropriate, measure the effectiveness of each element of the SSMP; 3) Assess the success of the preventative maintenance program; 4) Update program elements, as appropriate, based on monitoring or performance evaluations; and 5) Identify and illustrate SSO trends, including: frequency, location, and volume. 9.2 Summary The City evaluates the following Monitoring, Measurement, and Program Modifications Metrics for the sanitary sewer system and all elements of the SSMP: The SSMP elements are discussed periodically throughout the year during regular staff meetings with the Water Resources Manager and the division supervisors. Additional meetings to assess the effectiveness of individual elements are held as needed. Major studies, such as the Sewer Master Plan update and Infiltration and Inflow Study are also used to measure the effectiveness of the SSMP and make revisions as appropriate. The City tracks the location and cause of all SSOs, blockages, and gravity main EMLs. The City maintains a log of all cleaning activity, which details the size, material and location of each pipe cleaned, as well as the equipment utilized, and any relevant remarks observed during the cleaning. The City utilizes field data acquisition software (infraMap), which utilizes ESRI software in conjunction with the City's sewer system infrastructure maintenance system (SSIMS) for preventative maintenance tracking and work orders. City Field Staff observe all gravity mains and manholes during routine cleaning, and conduct localized video inspections when their observations warrant further investigation. Additionally, the City conducts system- wide video inspections and each pipe is given a score based on the National Association of Sewer Service Companies' (NASSCO) pipeline rating system. These ratings, as well as the observed condition of each pipeline, allow the City to identify gravity mains that are at risk of collapse or prone to more frequent blockages due to pipe defects. The City identifies all food preparation and service locations within the City Limits as part of their monitoring and surveillance program. A list of all such customers is maintained by the City's FOG control consultant in its April 2014 9 -1 55CC -36