Client: City of Atlanta
Location: Atlanta, Georgia, United States
Project Type: Water Treatment Facility
Contract Amount: $19,000,000 USD
Delivery Method: General Contracting
Project Size: N/A
Start Date: January 2009
Completion Date: November 2009
Architect/Engineer: Atlanta Service Group
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Participating Alberici Enterprises
Markets Served
City of Atlanta - Chattahoochee / Hemphill Water Treatment Plants, Phase II Various Improvements
Chattahoochee Water Treatment Plant: 65.9 mgd capacity
Hemphill Water Treatment Plant: 136.5 mgd capacity
The Chattahoochee and Hemphill Water Treatment Plants, named for Mayor William Hemphill who in 1891 designated the Chattahoochee as the river source for Atlanta’s water, currently process 100% of Atlanta’s drinking water. In addition to the two treatment plants, the treatment facilities include a river intake facility, 340 mgd pumping station, two reservoirs with storage capacities of 180 mg and 345 mg, and two settled solid facilities that process all solid waste from the treatment plants. The City’s Load Control Center uses state-of-the-art computer systems to monitor and control the systems.
The Chattahoochee Hemphill WTP’s Various Improvements project addresses a variety of activities at the two complexes, including
- Cleaning, inspecting and renovation of filters
- Valve and actuator replacements and modifications
- Piping and pump replacements
- Weir replacements at Sedimentation Basin Header Flume
- Filter Building Operator Lab Station Replacement
- Chemical and Filter Building Improvements and roofing replacement
- Demolition and replacement of dehumidification equipment
- Electrical equipment replacement
- Safety and security improvements