ENGINEERING

    Engineering Team

    Doug Holdener - Circle Crop

    Douglas J. Holdener, P.E.

    Director, FCPA

    25 yrs. Civil Engineering Experience

    • Engineering Consultant
    • Concrete Pipe Producer
    • Florida Power & Light Contractor

    Texas A&M University (M.S. in Civ. Eng.)

    Washington University in St. Louis (B.S., C.E.)

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    Angel De Jesus - Circle Crop

    Angel De Jesus, P.E.

    Technical Resource Engineer, County Materials

    42 yrs. Experience

    • Pressure Pipe
    • Reinforced Concrete Pipe
    • Precast Structural Engineering
    • Pipeline Engineering
    • Manufacturing, Quality Control/Assurance

    Licensed P.E. in Florida

    University of Puerto Rico – Mayaguez Campus (B.S. Civil Engineering)

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    Melitza Avila - Circle Crop

    Melitza Avila

    Technical Resource Specialist, Rinker Materials

    14 yrs. Experience

    • Concrete Pipe Manufacturer
    • Stormwater Management

    ASTM Cmte. Member

    • C13 – Concrete Pipe
    • C27 – Precast Concrete Products
    • F17 – Plastic Piping Systems
    • F36 – Technology and Underground Utilities

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    Russell Tripp Circle Crop

    Russell Tripp, P.E.

    Technical Resource Engineer, Rinker Materials

    20 Yrs. Experience in Natural Gas Industry

    20 yrs. Experience in the Drainage Industry

    Licensed P.E. in CA, FL, GA, SC & TX

    Clemson University (B.S. Civil Engineering)

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