Outside the box thinking on a big energy savings project
Large Engineering Firm needed some fresh ideas to implement new low-head pumping at a WTP to achieve required plant energy savings.
Instead of traditional axial or mixed-flow pumps that most would suggest, RPS suggested a dry-pit submersible that most use only for wastewater. The final design saved major infrastructure costs by reducing the need for deep excavation and shoring near an existing reservoir and allowed for a quicker implementation. The pumps used were ABS 24” 200HP-705rpm-semi-open-axial flow impellers, for 22,000gpm at 22ft TDH which were factory tested in the Northeast. Pump vibration was 1-2mm/s. Pumps have been in operation as needed for several years with no known issues.
“RPS stepped to the plate when we needed to work through alternative pumping solutions and thought outside the box with us for the best value in the required application. The right pump selection was critical to achieving project goals of energy savings, reliability, and redundancy. ”