Charlotte-Mecklenburg Storm Water Services will be requesting proposals from qualified companies interested in providing Professional Engineering Services for Various Storm Water Services Projects. The selected firm/s will use HEC-HMS, HEC-RAS, SWMM, and/or a hydraulic grade line closed system computer model, or an approved alternative method, and all methods will be per the Charlotte-Mecklenburg Storm Water Design Manual. The city’s then-current AutoCAD standards will be used to produce all plans and profiles. The selected company(ies) may be required to pursue stream restoration and enhancement for mitigation credit per NCDEQ and USACE requirements, where appropriate.
Project descriptions for all three Scopes of Services will be found within the solicitation document. The projects are anticipated to be assigned and initiated under each Scope of Services but are subject to change based on future Capital Improvement Project priorities and funding.
This will be a request for qualification for Design Services. The project scope includes; new clarifier, new thickener, filter replacement, electric and piping upgrades, etc. Anticipated 16 month design with 20 month construction.
This opportunity has been cancelled as of 7/24
This will be a request for an Architectural and Engineering service package to retrofit the Franklin Water Treatment Plant Administrative Building. Phase 1 will include overall schematics, the proposed layout of the building, structural assessment, existing conditions drawings, and mapping. Phase 2 will include detailed engineering and structural design, along with architectural design. Phase 3 will include technology requests (Supervisory Control and Data Acquisition system, security, etc.), construction phasing/planning office spaces, finishings, exterior and landscaping. Phase 4 will include project permitting and construction admin services. There is a potential for the renovations to be broken up into smaller projects after Phase 1 is complete.
-inactive due to budget reprioritization
Design of Upper Little Sugar Creek Interceptor (at least Phase 1 from Wastewater Treatment Plant to East Boulevard). The complete project extends from Sugar Creek Wastewater Treatment Plant to Sugar Creek Rd.
this project has been cancelled
Charlotte Water (CLTWater) is soliciting Statements of Qualifications (SOQ) from qualified engineering companies (Company or Proposer) to provide supplemental project management (PM) services for the Water Sewer Authority Cabarrus County (WSACC) Rocky River Regional Wastewater Treatment Plant (RRRWTP) Expansion Project (Project). In anticipation of growth within the RRRWTP service area and additional demand by Charlotte Water, specifically from growth and flow diversion from the Back Creek Sewer Basin, Water Sewer Authority of Cabarrus County (WSACC) is looking to expand the RRRWWTP from 26.5 MGD to 34 MGD. In addition, Charlotte Water intends to expand its purchased treatment capacity at the RRRWWTP by additional 3 MGD, from the current 6 MGD current purchased capacity to 9 MGD. The design-build (D-B) project is being performed by the Crowder Construction/Brown and Caldwell team managed by WSACC.
Charlotte Water (CLTWater) is soliciting Statement of Qualifications (SOQ) from qualified engineering firms (Firm) to provide Construction Administration & Observations Services for the Ashe Plantation WWTP Phase II. CLTWater intends to contract with one or more firms to provide professional engineering
services for the project.
The selected Firm(s) shall provide at a minimum, construction administration and observation services.
• Construction administration (CA) services
• Construction observation, resident project representative (RPR) services
• Project closeout services
Phase II of the upgrades include the following:
• Installation of a new 100,000 GPD package WWTP with simplex flow EQ basin, parallel extended
aeration basins, parallel clarifiers, air lift pumps for RAS/WAS, simplex aerobic digestor
• New standby generator with option to use natural gas fuel
• Pre-fabricated office/laboratory/restroom
• Site piping modifications
• Electrical upgrades and modifications
Charlotte Water has 12 buildings at Sugar, Irwin, Mallard, and McAlpine Waste Water Treatment Plants (WWTPs) that are in need of roofing replacement or repair. The majority of these roofing systems are over 20 years old. These roofs are aging, failing, and in need of replacement or repairs.
Charlotte Water is soliciting Statements of Qualifications (SOQ) from qualified engineering companies (Company or Proposer) to provide Professional Engineering Services for the Building Roof Replacements Project. The selected Firm(s) shall provide at a minimum, preliminary engineering and evaluation, detailed design, permitting, bidding phase services, and construction phase services.
Charlotte Water requesting proposals from qualified companies interested in providing design and construction administrative services for the Franklin WTP Residuals Project
- Alum cake storage and conveyance system from the alum belt filter press building. Increasing storage capacity, belt condition/layout, etc.
- New backwash residuals clarifier with stainless steel clarifier mechanism and associated piping. Diameter of new clarifier to be 100 foot in diameter. Provide new motor control center and switch gear for the existing residual clarifiers. Existing large clarifier must remain in service throughout construction.
- Evaluation of additional thickener at plant.
- Residuals polymer system upgrade – new feed system and tanks and potential expansion of existing dewatering building for accommodation of new equipment or added chemical storage.
- Provide a pump station and force main to convey residuals clarifier effluent to the raw water reservoirs. Cost savings analysis.
- Dry polymer feed system for flocculation/sedimentation for east and west plant.
- Addition of an isolation valve at backwash residuals clarifier.
- Clarifier sludge pump evaluation.
