Solids Contact Clarifier

Project Summary:

Project Type:
Process Equipment Rehabilitation

Owner:
Moorhead Public Service

Overview:

The Moorhead Water Treatment Plant (WTP) was approaching 20 years in age and was showing signs of deterioration. Apex Engineering Group was tasked with evaluating the existing solids contact clarifiers and lime storage silo to develop recommendations for rehabilitation and replacement of the existing equipment.  The evaluation showed that rehabilitation of the existing equipment was much more cost effective than replacement. 

Project Details:

Moorhead Public Service elected to move forward with the recommendation to rehabilitate the existing infrastructure. Apex staff prepared construction documents detailing the recoating and repair requirements. Given the nature of the facility, the exterior lime storage silo had a small window to be coated due to outside air temperature and humidity requirements of the product. Furthermore, the WTP could only meet their customers’ demands with one solids contact clarifier offline at a time and only during low winter demands. Apex was able to coordinate scheduling and construction oversight to ensure the project was completed during these short time windows without interruption to production or water quality.

Services Provided

  • Value Engineering
  • Preliminary Engineering
  • Final Design
  • Bidding
  • Construction Administration
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