Free Web Tool · Pump Station

Pump Station Sizing

Wet-well volume between pump start/stop levels and cycle time check (≥ 6 min between starts) per Ten States Standards.

Input

Results

Net pump-out rate
Pump-on time t1
Pump-off time t2
Cycle time t1+t2
Recommended Vmin (≥6 min)
Active depth
Method

Pump cycles between two levels enclosing volume V. t1 (pumping) = V/(Qpump − Qin). t2 (filling) = V/Qin. Min cycle = t1 + t2. Recommend V_min = (cycle_min·60·(Qpump−Qin)·Qin)/(Qpump). Active depth = V/A_well.