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  • Company
    • About Brown and Caldwell
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    • Pilot Studies
    • Design Services
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Services

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Separation Processes, Inc. (SPI) has a reputation for offering the highest quality services and technical support throughout the life of a project from conceptual planning, through design, construction and through full-scale support of the operation. SPI takes an Emphasis on Excellence approach to each project and draws on extensive experience and expertise to ensure the highest quality projects.

SPI has participated in a variety of projects employing various project delivery methods including, design-bid-build, design/build, design-build-operate, construction manager at risk and alliance contracting. SPI is well versed in working in a team environment offering technical support and services as required to make our projects successful.

Services offered include all aspects of project delivery including:

    • Planning
      Most water and wastewater treatment projects begin with a planning or conceptual design study to determine the treatment process alternatives and to assess the suitability of technologies for the specific project goals and site. The evaluation of treatment alternatives and development of preliminary cost estimates provides valuable information for the decision making process. – Learn More
    • Pilot Studies
      SPI has extensive experience in the development and implementation of water and wastewater treatment process pilot studies, from development of the testing protocol, through supervision of operation, data analysis and preparation of the final report. Past pilot study objectives have included evaluation of treatment alternatives, process demonstration and development, qualification testing for membrane procurement, and a variety of research oriented projects. – Learn More
    • Design Services
      SPI provides complete mechanical process design services for membrane treatment systems. For instance, beyond procuring membrane filtration systems, SPI provides design of the complete mechanical system to allow a general contractor to install the system. For Reverse Osmosis and Nanofiltration, we design complete systems including detailed fabrication drawings. – Learn More
    • Construction Phase Services
      SPI provides services during construction to complement and add value to the construction of the facilities. SPI provides services such as mechanical system review and inspection, piping fabrication inspections and control system coordination during construction to make sure the equipment and processes are implemented as designed. – Learn More
    • Membrane Support Services
      SPI offers a wide range of capabilities and services for clients already operating full scale membrane treatment facilities. Drawing upon our roots in membrane plant design and our thorough understanding of membrane processes, SPI has the unique capability of assessing, troubleshooting, monitoring, and optimizing any membrane process spanning the spectrum of water and wastewater treatment applications. – Learn More

 

 

SPI ENGINEERING NEWS

  • SPI acquired by Brown and Caldwell to advance its water and wastewater treatment solutions June 30, 2025

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Contact Info

  • Brown and Caldwell
  • 277 Rancheros Dr., Suite 370, San Marcos, CA 92069
  • (800) 727-2224
  • (760) 400-3661
  • brownandcaldwell.com

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