The Department of the Navy, Naval Facilities Engineering Command, NAVFAC Mid-Atlantic has a requirement for Design-Bid-Build, Water Treatment Plant (WTP) Clearwell Repair/Replacement, Naval Station Great Lakes.

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• Drinking water is supplied to the Naval Station Great Lakes (NSGL) by its own surface water treatment plant (WTP). This WTP has finished water storage clearwells that require replacement.  NSGL is the U.S. Navy’s largest training center and the location of the U.S. Navy’s only boot camp. It is situated on an area over 1,600 acres and includes 1,153 buildings, with 39 buildings on the National Historic Register of Historic Places. NSGL supports over 50 tenant commands and elements and has over 20,000 sailors, Marines, soldiers, and Department of Defense civilians who live and work at the base.
• The work includes: abate hazardous materials; demolish process piping-systems, pumping units, buried piping systems, pavements, and miscellaneous items; provide two nominal 375,000-gallon wire- or strand-wound pre-stressed concrete finished water storage tanks (i.e., clearwells); provide a 3,400 square foot pump station building with a 500 square foot breezeway to connect the pump station building to the existing filter building (i.e., Building 12A); provide four transfer pumping units and two filter backwash pumping units equipped with variable frequency drives inside the pump station building; provide two chlorine analyzers, provide chlorine and fluoride solution piping systems; provide exposed process piping systems, provide buried process piping systems; provide building mechanical fire protection, electrical and telecommunication systems for the pump station; provide telecommunications system that automates the transfer pumping process to convey finished water into the clearwells; provide telecommunications system for the filter backwashing process; provide weir chamber that receives filter effluent from the filtration process and conveys the water to the wet well of the transfer pumping units; provide site work such as grading, paving, fencing, and site restoration; flush, disinfect and conduct bacteriological sampling and analyses of potable water pipelines, water containing structures and clearwells to prepare them for drinking water service; provide tie-ins to existing water treatment processes while maintaining plant operations during construction so that there are no interruptions to drinking water production and supply; and incidental related work.