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REV: 08-05-22 RL Goal:Understand System Average Pressure Investigate Pressure Transients Identify Potential District Metered Areas Approach:o Select logging sites o Deploy pressure loggers o Analyze and visualize pressure data o Calculate average system pressure o Recommend potential targeted pressure reductions o Select logging sites o Deploy high- frequency pressure loggers o Analyze and visualize pressure data o Analyze and explain transients o Recommend transient mitigation o Identify pressure zone boundaries and critical infrastructure o Study zonal hydraulic isolation o Establish zonal pressure average and pressure range o Recommend further study toward DMA installation and management 2. e. Water Audit Miscellaneous Support & Reporting If requested and approved by the Public Works Director or their designee, Consultant shall provide technical support and guidance to the City in completing its water audit. Level of support and associated costs will be determined and mutually agreed through discussions with the Public Works Director or his designee. Examples of this work may include: Billing Data Chain Assessment: an especially detailed review of billing data (beyond Task 3.b) that interrogates the processes of billing data collection, transmission, and reporting. This work is well fit for new AMI systems to corroborate successful processing of high-resolution data. Process Map Development: a process by which Consultant visually maps the City’s water audit’s data sources and associated data maintenance practices. This can be 1) a useful educational tool to communicate the importance of different departments’ contributions to the water audit and 2) a valuable documentation practice to understand current processes and identify improvements. Task 3: Leakage Analysis & Recovery 3.aComponent Analysis of Real Losses and California State Water Resources Control Board (SWRCB) Water Loss Standard Assistance If requested and approved by the Public Works Director or their designee, Consultant shall provide the following: 1.Real Loss Component Analysis: A component analysis of real losses to establish the unique leakage profile and inform targeted and cost-effective leak management strategies for the agency. 2.SWRCB Water Loss Standard Custom Input Assistance: Custom inputs to the SWRCB’s economic model and supporting documentation for a potential adjustment to the agency’s leakage performance standard. 3.SWRCB Water Loss Standard Compliance Planning: A compliance plan outlining a draft strategy to meet the City’s leakage performance standard. ATTY/AGR.2022.231/E Source Companies, LLC (Water Loss Consultation Services) (Page 13 of 17)