AWWA ACE70919

This powerpoint presentation begins by providing a brief overview of treatment plants and water storage in the Norfolk/Virginia Beach area of Virginia. Study objectives included: maximize pumping efficiency by optimizing pumping schedule during high demand hours, including reducing pump start frequency to reduce O&M cost and extending the life of the existing pumping facilities; and, reducing residence time in the storage tanks to improve overall water quality. Study approach included the following: Extended Period Simulation (EPS) Hydraulic Model Development; Demand Patterns Development; Evaluation of System-wide Storage Capacity; Development of Optimized Operational Schedule; and, Verifications of Optimized Operating Schedule. Includes tables, figures.