South Austin Regional WWTP Trains A & B Improvements

Project no: SP-2020-0265C HVJ Project No. AG 13 15780.1.1 The Work shall include furnishing all tools, labor, materials, equipment, and miscellaneous items necessary for the complete construction of the following: Replacement of Fiber Optic Network at Trains A&B: o Replacement of the existing multi-mode fiber optic cable with single-mode 72 strand fiber optic cable throughout Trains A&B. Train A&B Preliminary Treatment Building (PTB) and Grit Basins: oDemolish and remove: o existing scum pumps, valves, and piping o all equipment and panels in existing PTB electrical room o various other defunct systems in the building - polymer, chlorine, high pressure air, tank, speaker call system.o primary sludge pumps and associated valves and piping oexisting grit separation systems, including grit classifiers and pumps, piping, and valves.o grit suction pipes between grit basins and PTB o inlet gates to grit basins and other gates at the grit basins' structure o building ventilation supply and exhaust fans and ductwork o building lighting, wiring, conduits, and electrical receptacles o Monorails o New pre-engineered Electrical Building. o Install all electrical and instrumentation and control equipment and panels for the Train A and B primary treatment processes. o Electrical and I&C duct banks to the new PTB Electrical Building and primary treatment processes o Various structural improvements. Train A and B Primary (PC) and Final (FC) Clarifiers: o New primary scum lift station between the PCs of Train, comprising wet well equipped with submersible pumps. o New pipe interconnection between outlet chambers of Train A PC 1A and Train B PC 2B o Demolish and replace clarifier mechanisms, bridges, and scum collection systems, NPW supply piping o Demolish internal weirs of all clarifiers. o Structural crack repairs in clarifier tanks. o Replacement of drain valves on all clarifiers o Launder covers over peripheral effluent channels of all final clarifiers. o New secondary scum lift stations (2) between each pair of Train A FCs, comprising wet well equipped with submersible pumps and forcemain connection to the Solids Handling facility Train A and B Aeration Basins: o Replacement of drain valves o Removal and replacement of selected control slide gates and decommissioning of remaining defunct gates o Replacement of slide gates and flow meters in Flow Diversion Structure o New thermal mass air flow meters on air supply lines o New NPW supply piping to aeration basins and install hose bibbs o Replacement of handrailing and lighting. Train A and B Secondary Sludge Pump Buildings (SSPB): o Demolition and removal of: o scum pumps and associated valves and piping o all equipment and panels in existing SSPB electrical room o defunct polymer system and panels in basement o Removal and relocation of magnesium hydroxine tank, and all associated equipment to enable construction of the new electrical building. Demo of tank support pad. Relocation of all electrical connection and wiring, new support pad, coordination with magnesium hydroxide vendor, and plant staff. o Removal and replacement of: o RAS and WAS flow meters o basement access platform to RAS return piping o building ventilation supply and exhaust fans and ductwork o building lighting and associated wiring o Monorails o New pre-engineered Electrical Building adjacent to SSPB o Installation of all electrical and instrumentation and control equipment and panels for the Train A and B asecondary treatment processes and their connection to the plant SCADA o Electrical and I&C duct banks to the new Train A and B Chlorine Contact Basins: o Remove clarifier mechanisms and bridges o New center-pier inlet piping o Replace drain valves o Structural crack repairs

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.