Oak Lodge Waste Water Treatment Plant

The completed work provided Owner with the following components at the Oak Lodge Sanitary District (OLSD) Water Reclamation Facility (WRF):

  1. RAS/WAS pump station modifications.
  2. Two secondary clarifiers and RAS pump station.
  3. 3W System (includes one new 3W pump and two Phase 1A 3W pumps, strainer, piping, and accessories relocated from Facility 56 to Facility 55).
  4. UV Disinfection System (equipment manufactured by Trojan Technologies, Inc., was pre-selected during Phase 1A. Facility 55 layout is based on Trojan Technologies, Inc., equipment.
  5. Two interchange bioreactors and interchange return (IR) pump station.
  6. Odor control system modifications for interchange bioreactors.
  7. Conversion of two anaerobic digesters to aerobic digesters.
  8. Interim anaerobic digestion equipment system (relocated boiler, flare, heat exchanger, recirculation pump, and DS Pump No. 2 and interconnecting piping).
  9. Electrical building modifications including the installation of (2) 100HP Motors, (1) 50HP Motor, (2) 100HP VFDs, (2) 30HP VFDs, ATS & Generator.
  10. Modifications to existing solids handling building.
  11. Two carports.
  12. Landscaping and irrigation systems.

Location:  Oak Grove, OR
General Contractor: Mortenson

Oak Lodge Waste Water Treatment Plant


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