Wastewater Treatment Plant Expansion 2021

Install temporary ultraviolet disinfection rental unit and associated piping and electrical work to bypass existing ultraviolet disinfection channel and construct a meter vault for a new 18" effluent flow meter. b.Replace existing two-bank horizontal lamp ultraviolet disinfection equipment with a new 24 kVA, three-bank, system and rehabilitate channel structure. c. Construct a 1,240 sf. by 23' high concrete elevated Entrance Works Structure equipped with cylindrical fine screen, Parshall flume and flow splitter box. d. Construct Main Plant Structure No. 2 and associated facilities. The structure is approximately 125' in diameter x 26' high open top concrete tank whose slab is approximately 12' below ground. The tank is configured in eleven basins with treatment equipment and piping to provide wastewater aeration, mixing, sludge holding and clarification. Construct overhead pipe bridge structure from Entrance Works to Main Plant Structure No. 2 and overhead air piping from Process Building to Main Plant Structure No. 2. e. Construct Process / Blower / Electrical Building. The building is a pre-engineered metal building approximately 75' L x 50' W x 18' H and divided into three rooms that contain a wash water pump system, three 100 HP blowers, and an electrical distribution and control center. f. Demolish nine existing sand sludge drying beds and replace with four new paved sludge drying beds totaling 26,700 sf. and constructed with concrete walls and trench drains. g. Construct Administration-Laboratory Building: The building is a pre-engineered metal building approximately 76' L x 42' W x 14' H and divided into a Laboratory, Training Room, Offices, Bathroom / Showers / Laundry, and furnishings. h. Construct new yard piping and connect to existing yard piping throughout the plant site. i. Construct a vault for a new 8" sludge flow meter. j. Construct a vault for a new wash water strainer. k. Construct an approximately 55' long overhead pipe bridge structure from the Entrance Works to Main Plant Structure No. 2. l. Install new cover on Plant Drain Lift Station Valve Pit. m. Install electrical service feed, electrical site work and an on-site 50 kW diesel engine generator system. n. Install electrical, instrumentation, controls, and supervisory control and data acquisition to serve base bid equipment throughout the plant. o. Install plant wide instrumentation, integration, and controls, including programming. p. Construct site work throughout the plant, exclusive of asphalt road pavement. 2. Schedule of Additive Alternates (AA) (Owner will determine which alternates, if any, will be awarded. Refer to Section 01 23 00 Alternates.): a. AA-1 Elevated Entrance Works: Install grit removal system equipment and piping, which includes the vortex grit removal chamber, grit pump, and grit classifier / washer. b.AA-2 Main Plant Structure No. 1.: Drain and clean basins, remove existing equipment and rehabilitate structure. c.AA-3 Main Plant Structure No. 1.: Construct improvements to structure, piping, equipment, and metal work. Construct overhead pipe bridge structure from Entrance Works to Main Plant Structure No. 1 and overhead air piping from Process Building to Main Plant Structure No. 1. d.AA-4 Process / Blower / Electrical Building: Install Blower No. 4. e. AA-5 Process / Blower / Electrical Building: Install Blower No. 5. f.AA-6 Process / Blower / Electrical Building: Install Sludge Feed Pumps and piping. g.AA-7 Effluent Pump Station: Install two 85 HP Effluent Pumps. h.AA-8 Effluent Pump Station: Install two 250 HP Effluent Pumps. i. AA-9 Solids Handling Building: 1)Remove and salvage existing belt filter press and conveyor equipment. 2)Demolish existing metal building and piping. 3)Construct new pre-engineered metal building approximately 30` L x 30` W x 16` H and foundations. 4)Install new 17` long dewatering screw press, polymer feed equipment and associated piping, plumbing and electrical. j. AA-10 Construct Warehouse Building: The building is a pre-engineered metal building approximately 100` L x 62` W x 22` H that abuts the Administration- Laboratory Building. It contains two drive-thru bays, one 3-ton monorail crane, and a tool cage. k. AA-11 Add asphalt road pavement to Base Bid Sitework.

14,042 SF - Sewage Treatment Plant, Renovation, Misc. Buildings, Approximately 3,750 SF New Construction, Laboratory, Approximately 3,192 SF New Construction, Warehouse/Storage, Approximately 6,200 SF New Construction, Misc. Buildings, Approximately 900 SF New Construction.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Concrete Forming and Accessories, 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, Metal Doors and Frames, Entrances, Storefronts, and Curtain Walls, Entrances, Windows, Hardware, Door Hardware, Vents.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Flooring, Resilient Flooring, Carpeting, Acoustic Treatment, Painting and Coating, Painting.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Toilet, Bath, and Laundry Accessories, Emergency Aid Specialties, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Storage Assemblies, Flagpoles.
Division 11 -	Equipment, Parking Control Equipment, Laboratory Equipment.
Division 12 -	Furnishings, Specialty Casework, Laboratory Casework, Countertops, Laboratory Countertops, Institutional Furniture, Laboratory Furniture.
Division 14 -	Conveying Equipment.
Division 21 -	Fire Suppression, Water-Based Fire-Suppression Systems, Fire-Suppression Sprinkler Systems, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Facility Water Distribution, 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 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, Distributed Audio-Video Communications Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Access Control, Intrusion Detection, Electronic Surveillance, Video Surveillance, Electronic Detection and Alarm, Fire Detection and Alarm.
Division 31 -	Earthwork, Clearing and Grubbing, Grading, Earthwork Methods, Soil Treatment.
Division 32 -	Exterior Improvements, 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, 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.