These include the original influent channel (constructed in 1955), and Channel Nos. Three influent channels are located at the Gold Bar Wastewater Treatment Plant in Edmonton, Alberta. Providing a resilient, long-term structural protection assembly can be significantly more cost-effective over the long life cycle of a plant, in comparison to lower initial cost measures that will require more frequent repairs or re-application in the future. Ensuring the safety of personnel accessing the hazardous environment inside the enclosed channels and tanks adds further complexity. The challenge of temporarily isolating and diverting influent flow can, therefore, add to the difficulty and cost of an already complex repair scenario. It is generally necessary that a WWTP remain in operation during maintenance or repairs. There are no alternative sewage transport or treatment infrastructures available as a secondary backup in the event of the collapse or failure of a critical structural component.Īs a result, plant managers and personnel responsible for the maintenance and operation of these facilities recognize that long-term, reliable methods for the repair and protection of the concrete structures are an important investment to ensure that their plants continue to meet current treatment capacities and to accommodate expanding future needs. In most municipalities and jurisdictions, the reality is that the existing sewer pipe network flows to only one location. Harsh environmental conditions inside wastewater treatment plants (WWTPs) can cause significant deterioration and damage to the reinforced concrete structures. Ensuring the safety of personnel in the enclosed influent channels adds to the complexity of an already challenging project.
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