Central Pumping Station Upgrades

This work consists of upgrading the central pump station in Oak Park. In general, the improvements consist of removal of two horizontal split-case "Pit" pumps and motors, check valves, demolition of existing concrete equipment bases, and replacement with two new horizontal split-case pumps and check valves, in addition to rehabilitation of the two horizontal split-case "Chicago" pumps, removal of four existing variable frequency drives (VFD) located in the electrical room, replacement of existing electrical conductors between the VFDs and pump motors and replacement with four new VFDs along with miscellaneous items of work.

Lift and Pump Stations, Renovation.

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.