Wastewater treatment standpipe design-build services
MWWTP Effluent FM Surge & Transient Design Build Services (UN 1282), Solicitation 27-002, issued by Charles County.
What this job goes for
IntelligenceMaryland water and sewer bid results, every bidder’s price, Nov 2024 to Sep 2026.
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The job
Charles County is seeking a design-build firm to design and construct a new 40-foot diameter standpipe with associated piping, valves, and electrical systems at the Mattawoman Wastewater Treatment Plant. The contractor must provide complete turn-key services including design, permitting, construction, testing, and startup. Proposals due October 1, 2026.
- Trade
- Water and sewer
- Also includes
- Electrical and lighting
- Kind of work
- standpipe with force main surge management
- The work
- New construction or installation
- Contract
- One job
- Size
- 40 ft diameter, as the posting states it
- Who can bid
- Any qualified firm.
- Issuing agency
- Charles County
- Solicitation number
- 27-002
- Portal id
- 268896
- Type
- purchase
- Posted
- Jul 8, 2026
- Response deadline
- Nov 9, 2026, 11:00 AM EST
- Pre-bid meeting
- Jul 30, 2026, 11:00 AM EDT
- Place of performance
- Charles County, MD
Official posting
Documents, addenda and how to respond are on the agency’s own posting. Open the official posting (free with an account).
Official description
Solicitation #27-002. Issued by DPW - Capital Project Management. The Board of Commissioners for Charles County is hereby requesting proposals from qualified firms to design and construct a new standpipe with separate influent and effluent pipes for force main surge management at the Mattawoman Wastewater Treatment Plant located in Charles County, MD. The primary purpose of the Project is for the Design and Construction of a new standpipe with separate influent and effluent pipes that join with the existing force main. This Project will construct a new 40-ft. diameter standpipe with spiral staircase, platform, piped overflow, overflow swale, influent, effluent and bypass vaults, new ductile iron pipe, fittings, valves, and miscellaneous improvements such as sump pumps and drainage, electrical and instrumentation and pavement and yard restoration. The Design-Build Teams will be required to provide complete turn-key services for the Project including design, permitting, furnishing and installing and equipment, testing and start up, contract close out to provide a complete and fully functioning system.
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