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HELIX Environmental Planning » Projects
  • San Diego County Water AuthorityPipelines 3 and 4 Relining Projects Acoustical Studies

    HELIX is providing acoustical studies in support of the San Diego County Water Authority's installation of steel liners in existing concrete pipe with two segments of Pipelines 3 and 4 that extend from Miramar Hill to Lake Murray in the City of San Diego. The project is needed in order to repair deteriorating pipelines and ensure delivery of imported water via the Second San Diego...

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