CRANSTON WASTEWATER TREATMENT PLANT BNR IMPROVEMENTS, CRANSTON , RI

Owner: City of Cranston, RI
Engineer: Veolia Water Systems NA
Contract Amount: $4,737,500
Completion Date: June 2006

Biological Nutrient Removal Improvements at the Cranston Water Pollution Control Facility including:

• Installation of submersible mixers, recycle pumps, slide gates and fiberglass baffle walls at the existing aeration tanks
• Installation of RAS and WAS pumps and RAS line to facilitate separation of the flow and allow for two treatment trains
• Modifications to existing splitter box including installation of new concrete channel, slide gate replacements, chemical systems and foam removal systems
• Installation of new lime slurry and ferric chloride feed systems
• Miscellaneous electrical/mechanical updates and modifications