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East 24-Inch Water Transmission Main

About the Project

ES&S served as the prime consultant for this transmission main upgrade to improve service to the fast-growing northeast region of Columbia’s water service area.  The project consisted of over 22,000-LF of 24-inch water main, which was bid as a DIP and PCCP alternative (PCCP was installed).  A major challenge in the project design was the determination of the appropriate pipeline routing, with two open house meetings of interested parties to explain the rationale used to determine alignment decisions, including issues related to a shared corridor with Hominy Branch Interceptor Sewer and a shared use trail that was built as part of the City’s greenway system.  Other features of the design included 420-LF of 18-inch water main, two major roadway bores.  Full construction-support services included material testing and onsite resident engineer providing shop drawing review, maintenance of daily log, observation reports, progress reports, quantity measurements, invoice approval, wage rate interviews, and change order documentation.  The ES&S Team included Black & Veatch – their role was to perform a hydraulic study to confirm adequate supply to the Hillsdale Booster Pump Station and peer review during preparation of various elements of the project plans and specifications.

Market(s)

Location

Columbia, Missouri

Project Owner/Client

City of Columbia – Water and Light Department 701 E. Broadway Columbia, MO 65201

Year Completed

2013 (North Section), 2013 (Middle Section) and 2014 (South Section)

Services Provided

  • Alignment Study, including 2 IP Meetings
  • Easement Legal Descriptions
  • Preliminary Plans
  • Geotechnical Investigation
  • Hydraulic Study (B&V)
  • Develop Construction Plans
  • Boundary & Topographic Survey
  • Bid Phase Services
  • Utility Coordination Meeting
  • Resident Engineer/Construction Inspection
  • Environmental Permits
  • As-Built Documentation
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