4. All Flow to YCUA WWTP is Pumped Original Stations Built Early 1980s – Std Centrifugal Sewage Pumps – Extended Motor Shafts – Throttling to Match Flow

5. Martz RoadWillow Run Original design flow, MGD 14.510.9 New design peak flow22.413.0 Number of pumps44 Capacity per pump, MGD 7.54.4 Average daily flow4.83.3

6. Image taken from: Variable Speed Pumping – A Guide to Successful Applications

11. Martz RoadWillow Run Average monthly KW-Hr before$7,250$4,940 Average monthly KW-Hr after$5,150$3,325 Estimated annual cost savings$25,200$19,400 Project cost$2,479,000$1,687,000 Pumps$480,000$245,000 VFDs$180,000$160,000

20. Questions?