18 ADDENDUM B
January 1, 2026 through June 30, 2027
Water Loss Control Technical Assistance Tasks
TASKS
1 PROJECT ADMINISTRATION
Project administration:
Partner with E Source and the larger MWDOC group (Required) භ Communication
භ Systems of data collection and management
භ Travel expenses
භ Invoicing
$2,200 Project administration
TASK 2 WATER AUDIT COMPILATION
Task 2: Water audit compilation:
Estimate apparent and real water
loss. Assess data availability and
quality
භ Water audit data collection and review
භ Raw billing data validation (study of completeness and consistency, pro-rating to reduce lag-time effects) භ Water audit compilation
භ Water audit documentation in preparation for level 1 validation $11,240 Task 2: Water audit compilation
TASK 3 SOURCE OR PRODUCTION METER VOLUMETRIC ACCURACY TESTING Task 3: Source/Production meter volumetric accuracy testing:
Design and conduct a volumetric source meter accuracy test Establish a field-validated water-supplied baseline for the water audit Document test procedures for future meter accuracy investigation භ Site visit and test design
භ Volumetric accuracy test with comparat ive meter or reservoir reference volume භ Data chain assessment (“loop audit” or SCADA calibration), if relevant භ Test results analysis and documentation
භ Test procedure documentation
$9,270 Task 3: Volumetric production meter accuracy test, per meter.
TASK 4 BILLING DATA CHAIN ASSESSMENT
Task 4: Detailed custom billing data chain assessment:
Assess billing data for potential errors and/or inconsistencies භ Mapping of meter read collection and billing process
භ Comparison of raw data across billing data manageme nt platforms (read collection system, billing data system, and reporting system)
භ Identification of data transmission errors - misreads, zero reads, dropped reads, duplicated reads, etc.
Varies Task 4: Billing data chain assessment.
19 TASK 5 COMPONENT ANALYSIS
Task 5a: Component analysis of real losses – Gap Analysis:
Assess repair data in preparation for a real loss component analysis. x Collection of leakage repair documentation
x Evaluation and summarization of repair data
x Identification of gaps in repair documentation
x Memo documenting recommendations for repair data improvements and documentation
Task 5b: Component analysis of real losses:
Establish the distribution system’s unique leakage profile Determine cost-effective leakage management strategies for the short-, medium-, and long-term x Collection of leakage repair documentation
x Evaluation of repair process documentation
x Determination of unique leakage profile (b ackground, unreported, and reported leakage) x Analysis of cost -effective intervention against leakage x Leak management program design
Task 5c: Component analysis of apparent losses:
Assess customer meter inaccuracy
Value apparent losses
Design an apparent loss management strategy
5c-1: Small Meter Test Strategy & Sample - $7,680
x Facilitate discussions to understand ag ency goals for customer meter testing x Develop test strategy based on agency goals
5c-2: Small Meter Test Sample - $3,280
x Develop meter sample based on pre-defined test strat egy (if test strategy has not been defined, consider signing up for Small Meter Test Strategy & Sample)
5c-3: Small Meter Test Data Analysis - $7,920
x Analyze small customer meter test data
x Note: Agency must complete small customer meter testin g to execute this task. See shared services contract for customer meter testing options and costs if necessary. 5c-4: Large Meter Test Design - $3,960
x Develop large meter test design including testing schedule x Test design employs least cost of ownership model to prioritize large meters for testing 5c-5: Large Meter Test Data Analysis - $6,080 typical cost (discuss pricing with E Source. Pricing based on test data and billing data availability)
x Analyze large customer meter test data
x Note: Agency must complete large cu stomer meter testing to execute this task. See shared services contract for customer meter testing options and costs if necessary. $5,560 Task 5a: Component analysis of real losses – Gap Analysis $16,180 Task 5b: Component analysis of real losses
$8,560
$3,660
$8,840
$4,420
Varies
Task 5c: Component analysis of apparent losses (meter testing budget through Shared Service Contract is also required if testing cannot be conducted in-house) 5c-1: Small Meter Test Strategy & Sample
5c-2: Small Meter Test Sample
5c-3: Small Meter Test Data Analysis
5c-4: Large Meter Test Design
5c-5: Large Meter Test Data Analysis $6,780, typical (discuss pricing with E Source. Pricing based on test data and billing data availability)
20 TASK 6 SWRCB WATER LOSS STANDARD ASSISTANCE
Task 6a: Information Order Response Assistance:
Document response to Information Orders from the SWRCB related to compliance with the Water Loss Standard.
භ Compilation of results and findings from related activities to date භ Memo documenting response to Information Order
Task 6b: Off --Ramp Assistance:
Document compliance with Off-Ramp criteria
භ Collection of relevant dat a and supporting documents භ Document activities and/or data proving compliance with each Off -Ramp criterion භ Compilation of Off -Ramp request
Task 6c: Economic Model Custom Input Evaluation:
Calculate custom inputs and compile supporting documents for the SWRCB’s economic model. භ Request and compilation of relevant data (e.g. l eak repair documentation, leak detection results, financial data, infrastructure data, etc.)
භ Review of data collected to identify wh at custom inputs may be calculated භ Calculation of customized value for input s where the minimum data threshold is met භ Compilation of supporting document s for input adjustment application භ Assistance with creating memo to the SWRCB, requesting custom input adjustment Task 6d: Questionnaire Response Assistance
Document responses to SWRCB required reporting (Data Quality, Pressure Management, Asset Management, and/or Leak Registry)
භ Request and compilation of relevant data
භ Review of data collected
භ Calculation and/or narration of response to each question භ Review of responses with agency staff
භ Assistance with submitting response to questionnaire
$ Varies,
Discuss
with E
Source
Task 6a: Information Order Response Assistance
$6,060 Task 6b: Off-Ramp Assistance
$ Varies,
Discuss
with E
Source
Task 6c: Economic Model Custom Input Evaluation
$ Varies,
Discuss
with E
Source
Task 6d: Questionnaire Response
21 TASK 7 WATER LOSS TEAM DEVELOPMENT
Task 7a: Team Development Process Maps:
Establish a water loss team roster
Document processes related to water audit data collection භ Interviews with staff
භ Identification of key water loss team members
භ Document and map water loss data collection processes
Task 7b: Educational Workshops:
In-person educational workshop with agency staff to provide water loss background and connect day-to-day tasks with water loss calculation.
Workshops will offer an opportunity to elicit feedback from staff and prepare them for upcoming projects and data requests.
භ Development of slides and materials for meeting
භ Travel to agency
භ Facilitation of educational workshop
$7,560 Task 7a: Team Development Process Maps
$5,680 Task 7b: Educational Workshops
TASK 8 LEAK SIMULATION MODEL
Task 8: Leak Simulation Model:
Quantify the impacts of leak detection technique accuracy on achievable overall system loss rates and projected workload
Evaluate the cost-benefit of leakage control strategies under varying assumptions of fundamental leakage characteristics.
භ Collection of leakage repair documentation
භ Assessment of unique leakage profile
භ Consider sub -system level infrastructure characteristics and their impact on loss rates, including pipe- segment level data for likelihood and consequence of failure, if available. භ Provide an intuitive visualization of the water distribution system that shows how leakage control strategies are implemented and their resulting impact on individual leaks and system-level leakage rates.
භ Estimate future system -wide loss rates under varying assumptions for leakage characteristics and loss recovery efforts that can be compared with state regulatory targets or other performance goals. භ Project the workload required to implement and mainta in various leakage management strategies, including manual acoustic leak detection, automated acoustic noise loggers, satellite leak detection. $ Varies,
Discuss
with E
Source
Task 8: Leak Simulation Model
22 TASK 9 WATER LOSS PILOT PROGRAM MANAGEMENT AND EVALUATION Task 9: Water Loss Pilot Program Management and Evaluation:
Develop a pilot plan to assess the effectiveness of leakage management technologies/strategies භ Collection of previous water audits and repair data
භ Development of pilot plan detailing the leakage management techniques to be piloted, scale of implementation, and level of effort required from participating agency staff භ Work with participating agency to vet and manage technology providers භ Tracking and collection of data during pilot implementation භ Recommend metrics to evaluate the su ccess of the pilot program and identify data collection necessary to calculate metrics
භ Report on the performance of each pilot technolog y and recommend next steps necessary for full system implementation
$ Varies,
Discuss
with E
Source
Task 9: Water Loss Pilot Program Management and Evaluation
TASK 10 WATER LOSS STANDARD COMPLIANCE PLAN
Task 10: Water Loss Standard Compliance Plan:
Develop a Water Loss Compliance Plan to assist with meeting the Water Loss Standard භ Review the participating agency’s Water Loss Standard modeled by the SWRCB භ Evaluate data uncertainty and recommendations for data improvement භ If available, consider results of leak simulation mo del, real loss component analysis, and/or pilot results භ Develop a timeline, cost estimate, and key milestones associated with the Water Loss Compliance Plan, based on existing data sources
$ Varies,
Discuss
with E
Source
Task 10: Water Loss Standard Compliance Plan
TASK 11 MISCELLANEOUS WATER LOSS TECHNICAL ASSISTANCE
Task 11: Miscellaneous Water Loss Technical Assistance
For tasks not covered in Tasks 1-10, provide agency technical assistance for water loss analysis and/or compliance with State regulations.
භ Assess level of support and associated costs through consultation with E Source භ E Source to provide cost proposal before proceeding
භ Cost proposal shall be developed in accordance with hourly rates in Technical Assistance Program Contract
$ Varies,
Discuss
with E
Source
Task 11: Miscellaneous Water Loss Technical Assistance
Addendum B
January 1, 2026 through June 30, 2027
Water Loss Control Technical Assistance Tasks
Participating Agency: _________________
Cost Sheet for Selected Water Loss Control Services with E Source
Tasks: (All tasks are performed by E Source)
Task
Cost
Selected
Service
Met Funding
Request
(up to 50%
of task cost)
Task 1 – Project Administration and Progress Reporting (Required) $2,200 $2,200 Task 2 – Water Audit Compilation $11,240 $
Task 3 – Source or Production Meter Volumetric Accuracy Testing $9,270 $ Task 4 – Custom Detailed Billing Data Chain Assessment Varies Task 5 – Component Analysis
Task 5a: Component Analysis of Real Losses – Gap Analysis Task 5b: Component Analysis of Real Losses
Task 5c: Component Analysis of Apparent Losses
$5,560
$16,180
Varies
$
$
$
Task 6 – SWRCB Water Loss Standard Assistance
Task 6a: Information Order Response Assistance
Task 6b: Off-Ramp Assistance
Task 6c: Economic Model Custom Input Evaluation
Task 6d: Questionnaire Response Assistance
Varies
$6,060
Varies
Varies
$
$
$
$
Task 7 – Water Loss Team Development
Task 7a: Team Development Process Maps
Task 7b: Educational Workshops
$7,560
$5,680
$
$
Task 8 – Leak Simulation Model Varies $
Task 9 – Water Loss Pilot Plan and Evaluation Varies $
Task 10 – Water Loss Compliance Plan Development
Task 10a: Water Loss Compliance Plan Development
Task 10b: Water Loss Compliance Plan Updated
Varies
$
$
Task 11 – Miscellaneous Water Loss Technical Assistance Varies $ Rollover Funds to be Applied: $
New Amount to be Invoiced
(Task Totals Less Rollover Funds)
Total:
$
This Cost Sheet may be updated upon mutual consent of the parties as indicated in writing.
By: By:
Date: Date:
Harvey De La Torre, General Manager Title:
Municipal Water District of Orange County Agency:
City of Garden Grove
City of Garden Grove
Lisa L. Kim, City Manager
22,480
10,040
Large meter
test design/
data analysis
34,720