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Abingdon Water Treatment Plant Expansion, Abingdon, MD: An expansion of the existing facility from 40 to 50 mgd
> View Case Study |
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Upgrade & Expansion, South Burlington, VT: An upgrade of the existing facility from 2.3 to 3.3 mgd; the improvements will lower power consumption and use biogas from the digestion process to fuel a cogeneration unit to heat and power the plant |
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Expansion Phase 1, Contract C, Virginia Beach, VA: An expansion and upgrade of the existing wastewater treatment plant from 36 to 54 mgd |
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ENR First Contract Slurry Wall and Tankage, Washington, DC: Construction of Denitrification Reactors and associated channels, Post Aeration Tanks, Flow Distribution Chambers, Dual Sedimentation Flume Junction Box, Nitrification East Effluent Connector and Effluent Channels. The project’s major concrete work includes 8,400 tons of rebar and approximately 80,000 cubic yards of concrete as well as placement and compaction of approximately 105,000 cubic yards of excavation and backfill |
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Main Process Train / Cambi, Washington, DC: Modifications to the existing facility to incorporate Cambi’s Thermal Hydrolysis Process into the operating facility; this will be the first treatment plant facility in the U.S. to utilize this Cambi technology |
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Final Dewatering Facility, Washington, DC: A new 3-story building housing16 new Belt Filter Presses to expand dewatering capacity and efficiency of dewatering Class A thermally hydrolyzed-digested biosolids |
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Multiple Contracts, Ashburn, VA: A new 10 mgd advanced wastewater treatment plant, 15 mgd water booster pumping station with associated appurtenances, piping, valves, controls, and site improvements, and influent pumping station |
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Columbia Canal WTP, Columbia, SC: A new Raw Water Pump Station and the complete renovation of High Service Pump Station #1 |
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Ozone System, Herndon,
VA: Addition of three 1,000 lb./day ozone generators and associated piping, valves, and equipment, as well as structural modifications to existing plant to accommodate the new cooling towers and chillers |
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Phase III, Herndon, VA: An upgrade of the existing facility from 150 to 225 mgd |
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Upgrade and Expansion, Buford, GA: An upgrade of the existing wastewater treatment plant from 20 to 60 mgd |
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Wastewater Treatment Plant, Woodbridge, VA: An expansion and upgrade of the existing facility from 12 to 18 mgd and the addition of solids/sludge management systems, including highly complex mechanical dewatering equipment, pumps, and a fluidized bed incinerator |
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Expansion Phases I – IV, Woodbridge, VA: An expansion and upgrade of the existing facility from 12 to 18 mgd and modifications and upgrades to existing structures including aeration basins, secondary clarifier, pump station, solids processing building, incinerator, and sludge storage tank |
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Expansion and Upgrade Stage 2, Woodbridge, VA: Expansion of existing facilities and systems from 18 to 24 mgd including several new structures |
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Water Treatment Plant Improvements, Hopewell, VA: Design/build improvements to an existing facility, including additions to the Domestic Filter, GAC Carbon Contactor, and Pre-Chemical and Office Buildings, as well as a new Industrial Filter Building and 2.5 MM pre-stressed concrete clear well tank |
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Plant Improvements, Conway, AR: A new 16 mgd wastewater treatment plant featuring an activated sludge treatment system, U.V. disinfection, and anaerobic sludge digestion with gas recovery |
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Carbon Regeneration Furnace, Centreville, VA: Improvements to existing facilities including a new carbon regeneration furnace with ancillary systems; upon completion of construction, the plant will be able to produce 12,000 pounds of reactivated carbon per day |
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Primary Clarifiers, Odor Control & Hydraulic Improvements Contract 4, Centreville, VA: Improvements to install a sixth primary clarifier, odor control system, and hydraulic improvements as well as replacement of three primary clarifiers |
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Nutrient Compliance Facilities, Centreville, VA: Modifications to Aeration Basins, Mixed Liquor Channel, Secondary Clarifiers, Biofoam Pump Stations, and the RAS Pump Station in addition to new instrumentation systems and Centrate Equalization Pump Station |
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Rotary Dryer System, Centreville, VA: Installation of a natural gas-fired triple drum Rotary Drum Dryer for drying and pelletizing sludge; the unit will provide an average of 92% dry solids Class A biosolids |
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ESCO Cogeneration, Centreville, VA: Design-build energy improvements including a new cogeneration system with two 350kW generators fueled by digester methane gas and the replacement of the existing 600 hp blowers with high-speed gearless turbo blowers |
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Water Reclamation Facility Improvements, Lilburn, GA: An expansion of the existing facility from 12.5 to 22 mgd with dramatic improvements to the effluent quality and complete replacement of the existing plant’s wastewater treatment process
> View Case Study
> Read the full story |
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