NITROGEN AND PHOSPHORUS REMOVAL UPGRADE, NORTH ATTLEBOROUGH, MA

Owner: Town of N. Attleborough DPW
Engineer: Tigh & Bond
Contract Amount: $21,920,000
Start Date: July 2011

• Upgrades to Attleborough Falls Pump Station
• Upgrades to First Stage Pump Station
• Construction of Blower Building, including blowers, chemical feed systems, emergency generator, and associated electrical and mechanical work.
• Construction of Aeration Tanks, including fine bubble diffusers, mixers, slide gates, nitrate recycle pumps, and associated electrical and mechanical work.
• Construction of Tertiary Building, including maintenance area, chemical feed systems, rapid mix tanks, flocculation tanks, coagulation tanks, mixers, and associated electrical and mechanical work.
• Upgrades to Filter Building, including structural work, new filters, chemical feed systems, and associated electrical and mechanical work.
• Miscellaneous Mechanical Equipment Upgrades, including channel grinder, sludge grinders, plant water system, sodium bisulfate system, effluent parshall flume, sludge holding tank blower, and sludge holding tank coarse bubble diffusers.