... Overflow or bypassing of wastewater Install stand-by equipment at pumping stations; use dual power source supply system; implement proper maintenance program; enhance operational monitoring and ... Engineering Management and Systems Engineering, 600 W, 14th Street, 215 EMGT Building, Rolla, MO-65401, 57 3-3 4 1-7 621, U.S.A. 2 Department of Engineering Management and Systems Engineering, ... however, increasing energy demand, changing climatic conditions, and constrained energy supplies have resulted in the need to apply more energy-conscious choices in the maintenance or upgrade of...