Owner: Sevierville Water System; Sevierville, Tennessee
Engineer: Jordan Jones & Goulding; Norcross, Georgia
Contract Amount: $20.5 million
Year Completed: 2007
The McCroskey Island Water Treatment Plant and Raw Water Intake in Sevierville, Tennessee is a 12.0 million gallons per day (MGD) membrane treatment facility with poured-in-place riverside raw water intake built on the bank of the French Broad River. The intake facility includes a 36" sub-aqueous DI line installed below the rock stream bed of the river and air burst backwash screens.
The main treatment building is an 18,000 square foot pre-engineered building housing a Pall membrane filtration system complete with all supporting infrastructure, chemical feed, electrical and instrumentation. It includes two (2) poured in place concrete flocculation and mixing tanks.
This project also included high service finished water pumping and flow metering facilities; office areas for operations, laboratories, shower and toilet/locker facilities with adjacent exterior chemical storage facilities; a separate sodium hypochlorite building houses an on-site sodium hypochlorite generation and feed system with exterior bulk chemical storage tanks.
The project further included one (1) 2.5 MG pre-stressed concrete clearwell; conversion and refurbishing of an existing wastewater sludge pump station and existing solids thickener to a solids pump station and reject clarifier to support the membrane process.
All required site grading, excavation, and site miscellaneous work including paving and curbs, site lighting, yard piping, sidewalks, site drainage system, etc were performed under the Contract.