WPCF Digester Rehab

The project consists of: Complete and functional electrical, mechanical and SCADA systems. Erosion Control Measures, site clearing and grading, site restoration and maintenance, removal, relocation, or installation of certain site utilities. Rehabilitation of the existing offline aerobic digester, including the installation of coarse aid diffusers and a geodesic dome digester cover, and restoration to the treatment compartments. Installation of new HVAC equipment for the rehabilitated digester, installation of new blowers and appurtenances for aerobic digestion withing the tertiary filter building. Installation of air mains, installation of sludge pumping equipment and appurtenances for dewater sludge within the sludge process hauling building, site restoration and maintenance through acceptance and re-establishment of vegetation, removal and replacement of the existing sludge conveyors, and replacement with a new sludge pump and appurtenances, testing of systems and training of operation personnel. Trades included but not limited to: Selective Demo, Concrete Reinforcement, Cast-In-Place Concrete, Hot & Cold Weather Masonry, Unit Masonry, Metal Fabrications, Aluminum Handrails, Aluminum Geodesic Batten Domes, Rough Carpentry, EPDM Roofing, Sheet Metal Flashing & Trim, Joint Sealants, Painting, Corrosion Resistant Elastomeric Lining, Signage, HVAC, Electrical, Earthwork, Site Clearing, Rough Grading, Excavation, Site Backfilling, Erosion & Sedimentation Controls, Aggregate Base Courses, Asphalt Paving, Landscaping, Site Utilities, Process Interconnections, Portable Davit Crane, Rotary Lobe Blower, Dewatered Sludge Conveyance Equipment, Thickened Sludge Pumping Equipment, & Water & Wastewater Equipment.

Division 02 -	Existing Conditions, Geotechnical Investigations, Subsurface Drilling and Sampling.
Division 03 -	Concrete, Concrete Reinforcing, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Windows, Hardware, Glazing.
Division 09 -	Finishes, Flooring, Painting and Coating.
Division 10 -	Specialties, Signage, Safety Specialties, Lockers, Flagpoles.
Division 11 -	Equipment, Laboratory Equipment.
Division 12 -	Furnishings.
Division 13 -	Special Construction.
Division 14 -	Conveying Equipment, Lifts.
Division 21 -	Fire Suppression, Fire-Extinguishing Systems.
Division 22 -	Plumbing.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Air Terminal Units.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exterior Lighting.
Division 27 -	Communications, Data Communications, Audio-Video Communications.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Video Surveillance, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Earthwork Methods.
Division 32 -	Exterior Improvements, Flexible Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Irrigation, Planting, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Disinfecting of Water Utility Distribution, Water Utility Storage Tanks, Wastewater Utility Pumping Stations, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 40 -	Process Integration, Water Process Piping, Instrumentation and Control for Process Systems.
Division 41 -	Material Processing and Handling Equipment, Bulk Material Processing Equipment, Bulk Material Conveying Equipment, Bulk Material Feeders, Conveyors, Cranes and Hoists.
Division 44 -	Pollution and Waste Control Equipment, Odor Treatment Equipment, Water Pollution Control Equipment, Water Pollution Containment and Cleanup Equipment.
Division 46 -	Water and Wastewater Equipment, Common Work Results for Water and Wastewater Equipment, Water and Wastewater Preliminary Treatment Equipment, Water and Wastewater Chemical Feed Equipment, Water and Wastewater Clarification and Mixing Equipment, Water and Wastewater Secondary Treatment Equipment, Water and Wastewater Advanced Treatment Equipment, Water and Wastewater Residuals Handling and Treatment.