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Wednesday, November 13 • 3:15pm - 4:00pm
Session A - O&M Considerations for Pressure Sewer Systems

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Traditionally, pressure sewer systems have been used to provide sewer service to areas where gravity sewer could not be installed, or the cost to do so was prohibitive. Now, pressure sewer systems are gaining widespread acceptance in providing a viable, sustainable, and cost effective solution for communities considering new wastewater collection systems due to failing on-site septic tank disposal systems or for replacing failed gravity systems. The advantages of pressure sewer systems over new construction of gravity sewers or gravity sewer renewal include low construction costs, fewer community impacts, and lower environmental impact and disturbance.
Misconceptions of low pressure sewer systems can create apprehension for communities considering an appropriate solution for their wastewater collection needs. Municipal and utility administrators, engineers, and operating personnel may be reluctant to incorporate low pressure sewers due to concerns on the operation and maintenance efforts and costs. While there may be no universal answer to questions that are raised, the experience of communities that have incorporated low pressure sewer systems can provide a reliable indication on the true impact and cost of ownership for these systems.
This presentation provides data on several pressure sewer installations and demystifies concerns related to operation, maintenance, reliability, and the cost of ownership. Mean-Time-Between-Service-Calls and actual maintenance costs for low pressure sewer components will be presented. Through a retrospective examination of the service history of low pressure sewer systems, the presentation will demonstrate that successful installations with reliable operation is an achievable standard.


Wednesday November 13, 2019 3:15pm - 4:00pm MST
Double Tree by Hilton 16615 109th Avenue North West, Edmonton, Alberta,