91360 Construction, Water System/Plants, Main and Service Line
The project involves the procurement of a new primary clarifier mechanism to replace the existing mechanism in Primary Clarifier #5 at the McDowell Creek Water Resource Recovery Facility. This replacement aims to improve the performance and reliability of the primary clarifier, ensuring that it meets current operational standards.
Duplicate entry of McDowell Creek WRRF Clarifier Mechanism, cancelled 11/14
This project includes significant improvements to the existing service water system at the Franklin Water Treatment Plant. The scope of work involves the replacement of existing pumps, piping, valves, and backflow devices within the service water system. Additionally, new flow meters will be installed on the Franklin Water Treatment Plant service water system, while existing flow meters on the filter effluent lines at the Lee S. Dukes Water Treatment Plant will also be replaced. These upgrades are expected to enhance the accuracy of flow measurements and improve the efficiency of the service water system.
This project will rehabilitate Primary Clarifier #5 at the McDowell Creek Water Resource Recovery Facility. The scope of work includes the demolition and replacement of the existing clarifier mechanism, various concrete repairs, and regrouting of the clarifier floor. Additionally, pressure-reducing valves, plug valves, and telescoping valves will be replaced, and existing electrical and instrumentation systems will be reconnected to the new clarifier mechanism. These improvements will enhance the functionality and durability of the primary clarifier.
This project involves the replacement of the existing ultraviolet disinfection system at the Sugar Creek Water Resource Recovery Facility. The scope of work includes upgrading the UV disinfection system while utilizing the existing UV channels, extending these channels, and replacing the current level control gates with fixed finger weirs. A new non-potable water (NPW) pump station wet well will be added, and the drain valve of the East Equalization Basin will be replaced. During this upgrade, a temporary disinfection system will be provided to maintain disinfection while the UV system is out of service. Additionally, two existing NPW pumps will be relocated, and three NPW pumps will be replaced in kind. The Filter Backwash Return Pump wet well work will include the installation of a backwash return pump, the necessary piping and valves, and the replacement of a flow meter.
Work performed under this grouting and lining (GL) contract will consist of stormwater infrastructure maintenance, repair, and improvement projects within the city limits of Charlotte, NC. Work may be located entirely within or a combination of public right-of-way and private, residential, and commercial properties. Work includes but is not limited to the following: Grouting and lining of existing storm drainage pipe, structures or soil stabilization cleaning; maintenance/repair and installation of storm drainage pipe systems, storm drain manholes, inlets, and end treatments; channel grading, blockage/sediment removal and outfall/bank stabilization; water, and sewer relocations, installations, and adjustments, structural foundation protection and construction of sidewalks, curb and gutter, and asphalt and concrete paving associated with the specific Project Work Order (PWO).
All work will be issued in writing to the contractor via a Project Work Order. PWO’s issued through this contract may vary in size, effort, location, and monetary value. Projects could vary from $2,000 to $60,000 with project durations from 2 to 60 calendar days. These ranges are provided as a guide and are not intended to be construed as the minimum and maximum cost or duration. The Contractor will be required to furnish and maintain a minimum of 1 full-time crew to work continuously on this contract for the entire contract duration. Each crew that works must be capable of prosecuting the work listed in the Project Work Orders in accordance with section 108-1. The Contractor shall keep the city informed of their proposed work plan(s) and submit written reports of work accomplished on a frequency to be determined by the city.
The Contractor may be required to submit a written construction schedule to the city for their review and approval. Submitted Project Construction Schedules (PCS) shall be in accordance with City Standard Provision Periodic Payments. Written reports and supporting construction documentation (survey notes, certifications, tickets, tags, etc.) shall accompany all pay requests. All work shall be subject to inspection by the City and/or their representative at any time.
Work performed under this transportation repair (TR) contract will consist of storm water infrastructure maintenance, repair and maintenance projects within the city limits of Charlotte, NC. Work will involve mobilization, earthwork, drainage structures, storm drain pipe systems, channels, working over, under, near, and around existing private utilities, asphalt paving, concrete flatwork, and landscaping and any associated work required by the Engineer. Other work may include structural foundation protection, storm water pipe lining, storm water pipe joint and structure repair, water and sewer (relocations, installations and adjustments). Storm Water maintenance work may be located entirely within or a combination of the street right-of-way, private, residential and commercial properties. See section 1.28 – Scope of Work for additional details and information.
Work performed under this contract will consist of nine (9) stormwater improvement projects throughout Charlotte, NC as illustrated in the plans of the contract documents. Work will involve mobilization, earthwork, drainage structures, storm drain pipe systems, channels, working over, under, near, and around existing private utilities, asphalt paving, concrete flatwork, landscaping and any associated work required by the respective project plan.
This contract will be for the design and construction of a gravity outfall sewer along the Rocky River. This project will consist of approximately 3,600 linear feet of 15-inch and 2,400 linear feet of 12-inch gravity sanitary sewer piping. This outfall is tributary to the existing Rocky River outfall in Cabarrus County and Water and Sewer Authority of Cabarrus County (WSACC) Rocky River Regional Wastewater Treatment Plant.
This opportunity has been cancelled as of 12/18/2024
This contract will be for the design and construction of a gravity outfall sewer along the Rocky River. This project will consist of approximately 3,600 linear feet of 15-inch and 2,400 linear feet of 12-inch gravity sanitary sewer piping. This outfall is tributary to the existing Rocky River outfall in Cabarrus County and Water and Sewer Authority of Cabarrus County (WSACC) Rocky River Regional Wastewater Treatment Plant.
this opportunity was archived earlier
