East Headworks - General Construction

The East Headworks will provide preliminary treatment for a peak flow of 360 MGD. This contract is part of the overall wet weather plant expansion and will generally include the following: Modification of the Main Pumping Station to direct flows to the East and West Headworks facilities. 120-inch diameter conduit between the Main Pumping Station and the East Headworks. Six (6) mechanically cleaned bar racks and screenings conveying. Six (6) aerated grit tanks, grit pumping, concentrating and classifying equipment. Operations area that includes a control room, locker room, and break area. Removal of the West Headworks venturi flow meter. Replacement of the 120-inch diameter primary influent conduit. East, West and Center Primary Influent Conduits. Upgrade of the Headworks Odor Control System Modification of existing below grade pipe galleries. Various modifications to the existing West Headworks.

Division 03 -	Concrete.
Division 04 -	Masonry.
Division 05 -	Metals.
Division 06 -	Wood, Plastics, and Composites.
Division 07 -	Thermal and Moisture Protection.
Division 08 -	Openings.
Division 09 -	Finishes.
Division 10 -	Specialties, Signage, Toilet, Bath, and Laundry Accessories, Fire Protection Specialties, Fire Extinguishers, Storage Specialties.
Division 11 -	Equipment.
Division 12 -	Furnishings.
Division 14 -	Conveying Equipment, Scaffolding.
Division 21 -	Fire Suppression.
Division 22 -	Plumbing.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC).
Division 26 -	Electrical.
Division 27 -	Communications, Data Communications, Voice Communications, Audio-Video Systems.
Division 28 -	Electronic Safety and Security.
Division 31 -	Earthwork.
Division 32 -	Exterior Improvements, Fences and Gates, Turf and Grasses.
Division 33 -	Utilities, Common Work Results for Utilities, Water Utility Distribution Equipment, Water Utility Pumping Stations, Wastewater Utility Pumping Stations, Sanitary Utility Sewerage Force Mains.
Division 40 -	Process Integration, Water Process Piping.
Division 45 -	Industry-Specific Manufacturing Equipment.
Division 46 -	Water and Wastewater Equipment.