One of Springfield’s main outfall pipes—an 84-inch, 100-year-old brick pipe—was failing due to poor soil conditions, high groundwater, and heavy use. Sections of the pipe were losing courses of brick and in danger of collapse. challenging site conditions Poor soil and groundwater conditions provided challenges to the design of dewatering/groundwater cut-off, support of excavation, and pipeline support. Proximity to existing flood controls s

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