Optimatics helped Bakersfield field dozens of scenarios.

California Water Service Company (Cal Water) adopted Optimizer™ to develop their master plan update and associated capital improvement program of its complex, fast-growing system.

The Bakersfield area has experienced significant growth, resulting in increased demands and a need for additional water supply and facilities. Cal Water currently uses two major water sources to meet its forecast water demands: groundwater extracted from over 100 wells throughout the system, and Kern River water treated at numerous locations throughout the system.

LOCATION:

Bakersfield, CA

 

MISSION:

Water Supply and Facilities Master Plan

USE CASES:


KEY POINTS:

  • Integrate new sources of supply
  • Minimize project life-cycle costs
  • Evaluation of multiple alternative scenarios

“I was really impressed with the optimization analysis performed on our Bakersfield system master plan. I was initially surprised by results that were generated for the pump station and delivery main configuration at the new plant – we were planning to go down a completely different path. Having seen the results I can see that it is a better approach for Cal Water. I am excited about the opportunities for applying optimization to enhance our system in the future.”

Tim Treloar
District Manager
Bakersfield, California Water Service Company

Optimizer was applied to optimize the Bakersfield water system master plan. The software was formulated to consider facility improvements and optimal operating strategies to meet future maximum day demand conditions. Potential options considered in the optimization included new and parallel pipes, new and upgraded pump stations, modifications to existing valve settings, new and expanded storage and modifications to system operations. Operating costs for pumps and wells were evaluated to allow the optimization to minimize life-cycle costs. The resulting solution facilitated the development of the capital improvement program based on two optimized planning periods and expected intermediate growth patterns.

Cal Water also used Optimizer to investigate additional scenarios including changing supply to a neighboring customer to assess if operational cost savings could be achieved, evaluating options for discharge mains and a booster station for a new treatment plant, and assessing the impact of certain wells being taken offline due to water quality considerations.

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New pipes recommended in 2030 Plan with year of implementation.

Options considered in the optimization included new and parallel pipes, new and upgraded pump stations, modifications to existing valve settings, new and expanded storage and modifications to system operations. Once a solution for the year 2030 was developed, year 2015 demands were considered in the optimization to facilitate development of a capital improvement program (CIP). The CIP was developed for the years 2012, 2015, 2018 and 2021 based on the two optimized planning periods and expected intermediate growth patterns.

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