Halcrow is assisting Gwinnett County, Georgia, with the development of several water and wastewater projects, as part of a demand services agreement with the county’s Department of Water Resources. Located in metropolitan Atlanta, the department is providing potable water to a growing population in excess of 700,000.

Completed projects include:

• Comprehensive master plan update.
• Hydraulic modeling of the water distribution system.
• Evaluation of low-pressure problems and capital improvement projects to accommodate peak summer and emergency conditions.
• Assessment of measures to reduce capital expenses.
• Evaluation of the potential for pressure reduction including analysis to determine backup power requirements at the main pumping and booster stations.
• Analysis of a water distribution line from the new Shoal Creek water filtration plant to the Lanier water filtration plant to identify potential surge issues.
• Gap analysis to discover deficiencies of the sanitary sewer database.
• First phase of sanitary sewer modeling for Gwinnett County.

key factors:

• Water distribution modeling
• Pressure management
• Regulatory compliance
• Sewer collection system modeling
• System analysis
• Graphical data presentation