Fort Collins Boxelder Wastewater Treatment Plant

Fort Collins Boxelder Wastewater Treatment Plant

Location: Fort Collins, Colo.

Client: Boxelder Sanitation District

Completion Date: August 2013 (est.)

Burns & McDonnell is providing professional engineering services for the Boxelder Sanitation District's new 3 million-gallon-per-day (MGD) mechanical wastewater treatment plant. The project is using the design/contract-build project delivery format and includes a new treatment facility on an existing site. Burns & McDonnell completed a 30 percent design package for use by the district to select a general contractor to participate in a collaborative project delivery environment.

The Boxelder Wastewater Treatment Facility includes a new headworks (screening and grit removal), a new influent pump station, biological nutrient removal (nitrogen and phosphorus) using continuous loop reactor (oxidation ditch) secondary treatment, ultraviolet (UV) light disinfection, effluent pumping and biosolids storage. The new mechanical plant will replace an aerated lagoon treatment system.

Additional facility components include a laboratory upgrade and full site development, including influent piping, electric, communications and stormwater management. The oxidation ditch system was procured before the final design phase, allowing Burns & McDonnell to optimize the design of the new facility and minimize overall project costs. The process typically reduces the potential for change orders and/or redesign that could otherwise result from a general contractor's procurement of core process equipment. Using the collaborative project delivery approach, the treatment facility layout was developed to enable orderly and cost-effective expansion. The district selected the design/contract-build project delivery format to create a strong owner-engineer-general contractor team and meet an aggressive project schedule.

Burns & McDonnell is responsible for all design aspects of the project, including facility planning, preliminary design, process and ancillary equipment design, preparation of contract documents, coordination with local building and fire departments and other state and local government agencies, and general contractor selection assistance.

  • Design-build
  • Final design
  • Final permitting
  • Contractor procurement support
  • Engineering during construction
  • Construction observation