South Central Wastewater Treatment Plant Nutrient Reduction Project

As of May 2023, this project has not yet been awarded and a timeline for construction has yet to be determined. The purpose of this IFB is to solicit for a qualified contractor to perform upgrades on a 23 mgd Wastewater Treatment Plant. Bids may be withdrawn using the procedure set forth in Virginia Code 2.2-4330(B)(2). This project will consist of construction of the following work: Modifications to the preliminary and primary treatment facilities. New south aeration tank with anoxic mixers, NRCY pumps, aeration diffusers and ancillary equipment. Modifications to the north aeration tank with anoxic mixers, NRCY pumps, aeration diffusers and ancillary equipment. One new 160 diameter clarifier with new RAS pump station. Modifications to the existing blower building to include the replacement of the existing blowers with new high speed turbo blowers along with architectural, electrical and HVAC modifications. New intermediate pump station with four new 96 inch diameter double helical screw pumps with isolation gates and two axial mixers. New tertiary filtration structure with three new tertiary disk filter assemblies and new NPW pump station. Modifications to the chlorine contact tanks for post aeration. Modifications to the existing hypochlorite facility including demolition of existing equipment and the addition of two new hypochlorite storage tanks, two new supplemental carbon storage tanks, and new carbon storage transfer and feed pumps. New caustic dosing facility. Modifications to existing alum system. Modifications to existing sludge conditioning and lime stabilization facilities to include the replacement of the existing thickeners and presses with two new gravity belt thickeners, two new belt presses, replacement of the lime stabilization system and conveyors with a new lime stabilization system and conveyors, and architectural, electrical, HVAC, and plumbing improvements. New main switchgear building. Two new electrical buildings. Architectural, electrical, HVAC, and plumbing improvements for administration building, laboratory and maintenance building All associated yard piping, flow conveyance structures, valving, electrical, instrumentation, and any incidental related work for a complete and operable wastewater treatment system. Corresponding SCADA improvements. The Authority will award the contract on a lump sum basis to the lowest responsive bidder. Bid documents consisting of the project manual and drawings are open to the public for inspection at the following locations: Owner: South Central Wastewater Authority, 900 Magazine Road, Petersburg, VA 23803. Engineer: Hazen and Sawyer, 1555 Roseneath Road, Richmond, VA 23230 Bidders must be licensed as Contractors in the Commonwealth of Virginia in accordance with Title 54.1, Chapter 11 of the Code of Virginia (1950) as amended.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Concrete Forming, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry, Millwork.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Entrances and Storefronts, Windows, Hardware, Vents.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Flooring, Resilient Flooring, Carpeting, Painting and Coating, Painting.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Toilet Compartments, Toilet, Bath, and Laundry Accessories, Emergency Aid Specialties, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Storage Specialties, Storage Assemblies.
Division 11 -	Equipment, Laboratory Equipment.
Division 12 -	Furnishings, Window Treatments, Casework, Specialty Casework, Laboratory Casework, Countertops, Laboratory Countertops, Rugs and Mats, Office Furniture, Institutional Furniture, Laboratory Furniture.
Division 14 -	Conveying Equipment, Scaffolding.
Division 21 -	Fire Suppression, Fire-Suppression Sprinkler Systems, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Facility Water Distribution, Facility Sanitary Sewerage, Plumbing Equipment, Plumbing Fixtures, Drinking Fountains and Water Coolers, Gas and Vacuum Systems for Laboratory and Healthcare Facilities, Compressed-Air Systems for Laboratory and Healthcare Facilities, Vacuum Systems for Laboratory and Healthcare Facilities, Gas Systems for Laboratory and Healthcare Facilities, Chemical-Waste Systems for Laboratory and Healthcare Facilities, Processed Water Systems for Laboratory and Healthcare Facilities.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Piping and Pumps, HVAC Air Distribution, HVAC Fans, Central HVAC Equipment.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Systems, 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, Clearing and Grubbing, Grading, Earthwork Methods, Soil Treatment.
Division 32 -	Exterior Improvements, Base Courses, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways, Paving Specialties, Parking Bumpers, Pavement Markings, Fences and Gates, Irrigation, Planting, Turf and Grasses.
Division 33 -	Utilities, Common Work Results for Utilities, Water Utilities, Water Utility Distribution Equipment, Water Utility Pumping Stations, Sanitary Sewerage Utilities, Wastewater Utility Pumping Stations, Sanitary Utility Sewerage Force Mains, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 40 -	Process Integration, Water Process Piping.
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.
Division 45 -	Industry-Specific Manufacturing Equipment.
Division 46 -	Water and Wastewater Equipment.