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Last Updated 06/29/2023 02:21 PM
Project Title

Wastewater Treatment Plant (WWTP) Primary Clarifier 3 and 4 Improvements

Physical Address View project details and contacts
City, State (County) Des Moines, WA 98198   (King County)
Category(s) Heavy and Highway, Sewer and Water
Sub-Category(s) Sewage Treatment Plant, Site Development, Storage/Water Tanks, Water Lines
Contracting Method Competitive Bids
Project Status Bidding, Construction start expected July 2023
Bids Due View project details and contacts
Estimated Value $2,648,043 [brand] Estimate
Plans Available from County Agency
Owner View project details and contacts
Architect View project details and contacts
Description

($2,648,043) Removal and waste hauling of existing rectangular primary clarifier components, cleaning, prep, and coating of the existing conc primary clarifier basins, installation of new primary clarifier equipment, and installation of new primary clarifier cross- collector equipment. Includes piping and mech improvements within the north inlet channel - a process which will require temporary bypass pumping - and cleaning, prep, and coating of the north inlet channel. Also included is piping mods to the scum collection and scum decanting tanks, and cleaning, prep and coating of the scum collection and decanting tanks. Electrical improvements to accommodate the new primary clarifier and cross-collector equipment.

Details

Division 02 - Existing Conditions, Subsurface Investigation.
Division 03 - Concrete, Concrete Reinforcing, Cast-in-Place Concrete, Precast Concrete.
Division 04 - Masonry, Unit Masonry.
Division 05 - Metals, Structural Metal Framing, Metal Decking, 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, Facility Fuel Piping, Facility Fuel-Storage Tanks, 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, Clearing and Grubbing, Grading, Earthwork Methods.
Division 32 - Exterior Improvements, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Turf and Grasses.
Division 33 - Utilities, Instrumentation and Control for Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Disinfecting of Water Utility Distribution, Water Utility Storage Tanks, 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.

Bidder's List View project details and contacts
Prospective Bidders View project details and contacts
Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents