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Project Name: WWTP Design and Construction for Biological Nutrient Removal
Country: USA
Description: Design services were provided for the design of wastewater treatment facilities for biological nutrient removal. The design capacity of the plant was 2.0 mgd. The WWTP was designed to meet total nitrogen and phosphorus discharge limits of 3 and 0.3 mg/L, respectively. The five stage Bardenpho Process was utilized in the design for biological treatment. Chemical precipitation of phosphorus was also provided for treatment redundancy. In addition to the Bardenpho process, effluent filtration was provided with deep bed denitrification. Sludge handling facilities included mechanical sludge thickening, aerobic digestion and sludge dewater using recessed plate filter presses. An advanced monitoring and control SCADA system was provided. The system monitored process variables and controlled return sludge flow, waste sludge flow, pH, dissolved oxygen (DO), and nitrate with closed loop feed of required chemicals. Construction administration services were provided. These services included construction inspections, shop drawing review, and contract administration. A detailed operation and maintenance manual (O & M Manual) was provided with interactive electronic format. The manual was used for operating training. Start-up services were provided and on-going operational support was provided for one year after start-up to assure successful operation and transition to owner personnel.
 

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