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REV: 08-05-22 RL Real Loss Component Analysis The real loss component analysis (RLCA) shall summarize the rate of leakage quantified through an AWWA water audit in meaningful categories (components) that help identify optimum strategies to reduce loss. Consultant’s component analysis of real losses shall use documentation on infrastructure, pressure, leak detection, and repair data and practices to support the following: Modeling background leakage Quantifying reported leakage Assessing of unreported leakage Estimating ongoing hidden leakage Identifying and recommending data collection and management improvements that provide more accurate insight into leakage Consultant’s real loss component analysis shall provide the following: Determination of leakage volumes: background, unreported, reported, and hidden leakage Break frequency analysis and comparison to national and international datasets Evaluation of documented leak response times Review of leak documentation and recommendations for improved data collection Analysis of cost-effective intervention against leakage Leakage management program design SWRCB Water Loss Standard Custom Input Assistance The City has received a leakage performance target from the State Water Resources Control Board (SWRCB) in accordance with SB 555. Compliance with the real loss volumetric standard will be required by 2028, using the 2027, or 2025 or 2026 water audit. Agencies can apply for an adjustment to their standard before July 1, 2023. Consultant shall perform the following to derive custom inputs to the SWRCB economic model: Request and compile relevant data (e.g. leakage repair documentation, leak detection results, financial data, infrastructure data, etc.) Review data collected to identify what custom inputs may be calculated Calculate customized value for inputs where the minimum data threshold is met Compile supporting documents for input adjustment application SWRCB Water Loss Standard Compliance Planning Consultant shall work with the Public Works Director or their designee to outline a draft strategy to meet their leakage performance standard by doing the following: Review the City’s water loss standard ATTY/AGR.2022.231/E Source Companies, LLC (Water Loss Consultation Services) (Page 14 of 17)