AWWA ACE65368

This powerpoint presentation begins by providing background information on Arlington County, Virginia, and the Fort Ethan Allen Pump Station. Key project objectives included: Increase Transmission Capacity into Arlington County's Minor Hill Reservoir from the Dalecarlia WTP; the Additional Capacity to Meet Growth Demands through Buildout; provide additional Fire Flow Capacity to Williamsburg Middle School, 5,000 gpd Design Flow; and, increase Water Transmission Capacity to Minor Hill Reservoir from 9 MGD to Approximately 14 MGD. Topics outlined include: original master plan alternative; original master plan water main improvements; hydraulic gradient with the original master plan alternative hydraulic gradient with the origin; existing pump and system curves; hydraulic modeling approach; key hydraulic findings of the original master plan alternative; key design challenges; alternative water system improvements; key elements of alternative; existing floor plan of Fort Ethan Allen Pumping Station; modified floor plan; interior photos prior to construction; new header wall penetration; and, exterior and interior construction photos. Includes figures.