The Wellington Water Treatment Plant Expansion

About the Project

Hensel Phelps served as the Construction Manager at Risk (CMAR) for the Town of Wellington’s Project. The plant’s capacity was increased to 4.2 million gallons per day (MGD), with accommodations for a future build-out capacity of 6.9 MGD. The new 15,352 SF treatment building was constructed over the two treatment trains and included an electrical room, pipe gallery, equipment room and observation decks over the basins. The 3,023 SF chemical building was built over eight chemical storage tanks in the concrete chemical containment structure, which included chemical feed equipment, an electrical room and a mechanical room. The 1,998 SF ozone building was constructed over a two-level concrete foundation to house the ozone generation and injection equipment and electrical room.

 

The project included a pipeline ozone contactor, three solids drying beds, two equalization ponds, a recycle pump station, a backwash equalization pump station, modifications to the existing clearwell, connection to emergency supply from ditch, site and yard piping modifications and modifications to the existing chemical building. Additional work included site improvements, electrical, instrumentation and control and system start-up. The preconstruction phase included delivering a progressive GMP and the procurement of the ozonation system equipment.

Quick Facts

  • Location Wellington, CO
  • Client Town of Wellington
  • Architect Jacobs
  • Industry Water + Wastewater
  • Line of Business Construction
  • Delivery Method CMAR
  • Completion Date 2024
  • Duration 22 months
  • Contract Value $ 35.2 Million
  • Other Features 4.2 MGD

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