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00During preliminary design, Jacobs Associates assisted the project team in selection of shaft sites, shaft configurations, geotechnical assessment of conditions at each potential site, preliminary design of alternatives, and cost estimates of the preferred shaft configurations and methods. Continuing into final design, Jacobs Associates provided detailed structural design of the shafts. For the pump station shaft, this work has included development of a slurry wall design as well as a composite wall system which allows use of the excavation support system as the pump station’s final lining.

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