Primary and Secondary Clarifiers Rehabilitations at the Grosse Ile WWTP

Base Bid –Section I - “Primary Settling Tank #3”: • Contractor shall Remove and Replace Primary Clarifier gear box, motor, Metal Weir, etc; • Owner shall furnished “Polychem” brand of “Brentwood Industries, Inc.” collector and control equipment and as listed below: i. The replacement of Clarifier Chain and Flight Collector system; ii. The replacement of Clarifier Screw Cross-Conveyor; iii. The replacement of local control panel, associated wiring and conduit per contract documents and the latest Local and National electrical codes iv. The installation of a new main control panel, associated sensors, new wiring and conduit per contract documents and the latest Local and National electrical codes. v. All other related items identified in the Contract Documents; • Contractor shall remove existing weirs located inside Tank #3; i. Contractor shall Purchase/Fabricate Metal Weirs as shown in Section 01270. ii. Each Tank has 3 Metal Weirs. Base Bid –Section II - “Secondary Settling Tanks 1 & 2”: • Replace One (1) tank at a time; • Remove and replace the center drive of the two (2) secondary clarifiers per construction schedule provided herein. • New center drive assembly, per scope-of-supply provided herein, shall be Owner Furnished and as manufactured by “Westech Engineering”. • The work on this Section includes the below items: i. Remove and replace the center drive assembly ii. Remove all control panels and conduits associated with the removal of the center drive and replace with explosion proof panels, new wiring and conduit per contract documents and the latest Local and National electrical codes. All necessary Electrical equipment, parts, etc., shall be purchased and installed by the Contractor; iii. All other related items identified in the Contract documents • All materials, equipment and labor to provide the owner with a system ready for use; Alternate Bid - Section III – “Primary Settling Tank #2”: • Upon Funding Availability, The Work on Tank #2 would be authorized to start right after Section I is completed; • Work on this Section will be similar to Section I; 00100-2

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.