Progressive Design-Build Services for Lee S. Dukes WTP Expansion

This Contract is for the design and construction of the Lee S. Dukes WTP Expansion project. The first phase of this project will include the start-up of a new 18 MGD conventional treatment train and additional associated structures, processes, and appurtenances, including residuals basins, high service pumping, clearwell storage, and standby power. The Design-Builder will work with Owner and Owner’s Advisor to determine the treatment processes, final layout, sizing, and specific facilities to meet the Owner’s goals for this project. The Design-Builder will provide the resources and staff to deliver the final project that will include, but not be limited to: Facility Planning and Preliminary Design, Permitting, Detailed Design, Cost Estimating, Construction, Start-Up and Commissioning.

Lift Station Improvements Phase 4 – CANCELLED

Provides for the rehabilitation of 10 to 12 sanitary sewer lift stations. Modernization of electrical and controls, installation of flow measurement equipment and miscellaneous safety and security upgrades as deemed needed on a per site basis.

-inactive due to budget reprioritization

Lift Station Improvements Phase III – cancelled

Provides for the rehabilitation of 10 to 12 sanitary sewer lift stations. Modernization of electrical and controls, installation of flow measurement equipment and miscellaneous safety and security upgrades as deemed needed on a per site basis.

This opportunity has been cancelled.

FY23 Water and Sewer Infrastructure – Contract 1

This contract will provide for new water and sanitary sewer main construction throughout the Charlotte, NC water service area. The majority of this contract will be used to build projects for the Street Main Extension Program.

McAlpine Creek Wastewater Management Facility Waste Activated Sludge Equalization and Blending and Odor Control Improvements

The Waste Activated Sludge (WAS) Equalization and Blending and Odor Control Improvements Project includes upgrades to several facilities at the McAlpine Creek Wastewater Management Facility (WWMF). Primary components include construction of a new cast in place concrete WAS equalization structure with multiple tanks/cells with mixers and pumps to allow for equalization and blending of WAS from the McAlpine Creek WWMF, Sugar Creek Wastewater Treatment Plant (WWTP) and in the future the Irwin Creek WWTP. Adjacent to this structure is a blending basin pump station which will convey blended WAS to the existing solids treatment process and in the future to the planned Thermal Hydrolysis Process. In addition, the project includes a new wet scrubber chemical odor control system for the Screening and Grit Facility, new duct work to this system from the south plant primary clarifiers and gravity thickeners as well as the rehabilitation of the Consolidated Influent Pump Station (CIPS) odor scrubber system.

Cancelled-UPS Equipment Upgrade (Rail-Technology Replacement)

This solicitation will be to select a a firm to perform a power study and start to replace the current commercial level UPS and inverters for all 15 communications cabinet on the Blue Line. The current UPS and inverters for all 15 communications cabinet have a life expectancy of eight years. They are at the end of life and must be replaced to prevent failures that impact the operation of communications to vital Signal and Traction Power operations. Likewise, environmental control/monitoring systems that support the communications houses has reached end of life and must be addressed to continue supporting the critical network equipment in each communications house. FY2019 – request to continue the system upgrade of the Blue Line and complete any outstanding items not covered in FY18.

 

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Airfield Lighted Sign Replacement

The removal of existing signs and foundations and installation of both Owner-furnished and Contractor-furnished LED airfield guidance signs on new concrete foundations