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We specialize in the structural design of large watertight concrete tanks, primarily for large civil engineering firms or design/build contractors. We offer a wide range of services for the water and wastewater industries including the following:

  • Tank Structural Designs.
  • Tank Seismic Analysis, Design and/or Retrofit Designs.
  • Peer Reviews of Tanks Designed by Others.
  • Value Engineering of Tanks Designed by Others of any Material.
  • Inspections and Remedial Designs for Distressed or Leaking Tanks.
  • Failure Investigations.
  • Design of Water and Wastewater Treatment Plants.

    • FEATURED PROJECTS


    Consolidated Mutual Water Company
    A buried 5 million gallon capacity post-tensioned concrete water tank. The tank has 2 operating cells creating a “tank within a tank”. The tank was constructed using self consolidating concrete allowing thinner walls for cost

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    FEATURED ARTICLES


    2004 – Concrete International
    1997 – ASCE Building To Last
    1996 – Texas Construction
    1995 – Civil Engineering
    1991 – Concrete International
    1988 – Concrete International
    1976 – ACI Journal

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    AN OPEN LETTER

    AN OPEN LETTER TO ENGINEERS WHO SPECIFY WIRE-AND STRAND-WRAPPED CIRCULAR PRESTRESSED CONCRETE TANKS Circular prestressed concrete tanks come in two basic types, AWWA D110 Wire- and Strand-Wrapped, and AWWA D115 Tendon Prestressed. Tanks are most often bid as Design-Build projects, and most Engineers are familiar with the various Wire- and Strand-Wrapped tank suppliers. The purpose of this letter is to acquaint interested Engineers with tendon tank technology and show how your tank clients can benefit from this knowledge. This information is being offered to you by Jorgensen & Close Associates, Inc. (J&CA), consulting engineers, on behalf of several tendon suppliers, precast-prestressed...

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