Xylem’s Flygt electric pump for sewer bypass solution saves costs and increases efficiency
PUMPS
The city rents Flygt electric pump as a more sustainable alternative to a diesel pump. When the city of Columbia, Tennessee, was upgrading a pump station, it needed a reliable pump for a long-term, temporary sewer bypass project. The city decided to use an electric-drive pump, instead of a diesel pump, to improve pumping efficiency and reduce operating costs. By using the Flygt N 3312 electric pump provided by Xylem Rental Solutions, the temporary bypass system ran for eight months without clogging and saved nearly R1.7 million ($124,000). Located 45 miles south of Nashville, the city of Columbia, Tennessee, has a population of approximately 36,000 people. As part of its wastewater system, the city maintains 510 km (317 miles) of gravity-enforced main sewer lines, 25 pump stations and 52 million litres (14 million gallons) per day (MGD) wastewater treatment plant. In recent years, Columbia has engaged in sewer rehabilitation projects to help reduce or eliminate system overflows, including renovating and replacing several existing pump stations. Among the pump stations slated to undergo scheduled upgrades sometime in 2020 was the Santa Fe Pike pump station.
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Pipes, Pumps and Valves Africa - Jul/Aug 2021
But before those repairs could begin, the station experienced a major pump failure during the spring of 2020 that led to sewage overflows, spurring the city of Columbia to engage Xylem Rental Solutions for emergency pump rental. Xylem’s local Nashville branch quickly dispatched a Godwin HL250 diesel pump for an emergency sewer bypass system. Selecting an electric-drive pump for a temporary bypass Once the initial crisis was under control, the city of Columbia decided to move ahead with the R17 million ($1.2 million) planned upgrades for the Santa Fe Pike facility. City officials hired W&O Construction as the contractor on the project. To maintain treatment operations while the upgrades were completed, W&O Construction needed to set up a temporary sewer bypass system, and because rehabbing the pump station would take several months to complete,
