Thornburg WWTP Expansion and Upgrade

Provide construction services and materials to expand and upgrade Spotsylvania County’s Thornburg Wastewater Treatment Plant, currently rated for 0.345- MGD, to “Phase 1” 0.75-MGD Average Daily Flow (ADF). 1. A new Headworks Building with fine screens and adjacent odor control facilities 2. Plug Flow Activated Sludge (PFAS) Tanks, Trains #1-2 3. Installation of pre-purchased Membrane Filtration Systems and additional process equipment and materials. 4. Membrane Filtration Systems will be used for the biological treatment train (Phase 1) and solids thickening (Phase 1a) 5. Operations and MBR Buildings 6. In-line UV Disinfection 7. Potable & Non-Potable Water Systems 8. Cascade Post-Aeration 9. Solids Handling Facilities including sludge thickening tanks, sludge transfer pumps, and Solids Handling Building 10. Chemical Storage and Feed Facilities, including Chemical Building 11. Ancillary Facilities, including Electrical Equipment, site improvements, stormwater management, and yard piping 12. Bid Option – Sludge Dewatering System 13. Allowances – Control Systems Integration, Security Features, Electric Utility Coordination

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.
Division 08 -	Openings, Doors and Frames, Windows, Hardware.
Division 09 -	Finishes, Painting and Coating.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Emergency Aid Specialties, Fire Protection Specialties, Storage Assemblies.
Division 11 -	Equipment, Laboratory Equipment.
Division 14 -	Conveying Equipment.
Division 21 -	Fire Suppression, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Distributed Audio-Video Communications Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Access Control, Intrusion Detection, Electronic Surveillance, Electronic Detection and Alarm.
Division 31 -	Earthwork, Earthwork Methods.
Division 32 -	Exterior Improvements, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 44 -	Pollution and Waste Control Equipment, Common Work Results for Pollution and Waste Control Equipment, Air Pollution Control, Noise Pollution Control, Odor Control, Water Pollution Control Equipment, Solid Waste Control and Reuse, Waste Thermal Processing Equipment, Fluidized Bed Combustion Equipment, Rotary Kiln Incinerators, Pyrolysis Equipment, Hazardous Waste and Medical Waste Incinerators, Heat Recovery Equipment for Waste Thermal Processing, Synthesis Gas Cleanup and Handling Equipment.