Privately Funded
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Documents Available
Publicly Funded
Addenda Available
Post-Bid
Published October 18, 2025 at 8:00 PM
Updated October 19, 2025
Site work for a water / sewer project in Portsmouth, New Hampshire. Conceptual plans call for site work for a water / sewer project.
This project consists of design and construction of a third water transmission main beneath Little Bay to improve the resiliency of the water conveyance system from our supply sources located in Madbury. The existing transmission mains are over 66 years old and preliminary investigations identified areas of degraded conditions. Phase I of this project has resulted in the installation of operational valves on the existing mains and taps with extended pipes to prepare for the new pipe across the bay. Due to regulatory requirements, modifications in the design, and increasing construction costs, the need for these additional funds is anticipated to complete the project. The project is included in the City's 2026-2031 Capital Improvement Program (CIP). As of October 18, 2025, further details have not yet been identified. *Project information has been obtained through a public capital improvement plan (CIP). A CIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the CIP often evolves based on funding availability and the project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.
Conceptual
Water / Sewer
$12,000,000.00
Public - City
Site Work
Plans and Specifications are not available for this project. If that changes, they will be made available here.
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March 1, 2028
To Be Determined, Portsmouth, NH
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