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Wastewater Treatment Plants

Upper Blackstone Wastewater Treatment Facility

Upper Blackstone Wastewater Treatment Facility

Location
Millbury, Massachusetts
Owner
Upper Blackstone Water Pollution Abatement District
Architect
Trijay Systems
Contract Value
$120,000,000 (combined)

The first phase of this project involved the installation of a new 84-inch concrete pipe connected to a new screening facility and aerated grit tanks. A new primary settling tank was constructed, and six existing tanks were remodeled. A multiple hearth furnace and three electrodynamic venturis were demolished, and two new 10.5-ft-diameter wet electrostatic precipitators were installed.

The second phase required construction of an aeration tank and two final settling tanks, as well as renovations to three existing aeration tanks and six existing final settling tanks. Work included installation of new diffused air systems, installation of eight new clarifiers, renovation of a maintenance building, construction of a support facility, site demolition, yard piping and hazardous soil remediation. The plant maintained its full operational capacity of 160 MGD during construction.

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Walsh

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Chicago, Illinois 60607
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