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Project Overview
HRSD is embarking on a major project to expand its Atlantic Treatment Plant to accommodate the growth experienced in portions of Virginia Beach and Chesapeake. This overview answers key questions.
- Q: Why is this project needed?
A. The plant, which was placed in service 1983, has a design capacity of 36 million gallons per day (MGD). Increases in flow, influent loadings that exceed design values and the increasing population result in the need to expand the plant capacity to 54 MGD. It is also time to make improvements to some of the aging infrastructure.
- Q: What is planned?
A. The proposed facilities include a new preliminary treatment building, two new rectangular primary clarifiers, six new diffused-air aeration tanks, a new blower/electrical building and associated diesel fuel storage facility, and a new odor control scrubber facility.
Also proposed are a new secondary clarifier influent distribution chamber, two new secondary clarifiers, a new return sludge pump station, two additional disinfection facilities, a new storage facility and three new gravity belt thickeners.
Other elements of the project are upgrades to three existing effluent pumps, installation of a new pump, conversion of two existing solids holding tanks to acid phase digesters and conversion of six existing digesters to gas phase digesters. An existing thickened solids storage tank will be converted to a digested solids storage tank.
Additional facilities will include a new digested solids storage tank pump station and odor control station, a new dewatering building into which three existing centrifuges will be relocated, a new plant drain pump station and a stormwater management pond.
Four existing secondary clarifiers will be rehabilitated after the new facilities come on line. Also, a new dewatered cake storage pad will be designed for construction at a later date.
- Q: When will construction begin?
A. Noticeable activity is expected to begin in March 2006.
- Q: Where is the site?
A. The plant is located at 645 Firefall Drive, Virginia Beach, Virginia, on approximately 400 acres of mixed agricultural and forested land. More than half of the plant property is actively farmed fields. Neighboring facilities include the Atlantic Fleet Combat Training Center Dam Neck and Ocean Lakes High School.
- Q: How much will it cost?
A. The project currently is estimated to cost $150
million.
- Q: What’s next?
A. This expansion project should provide facilities that will be adequate until 2020.
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