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The 2024 Tiburon Pipeline Replacement Project, a component of the District's Capital Improvement Program, will replace nearly 3,500 feet of aging cast iron pipeline beneath Paradise Drive in Tiburon. The 6-inch pipeline along in this section was first installed in 1922, and the welded steel pipeline replacing it will increase reliability and seismic resiliency of the District's water infrastructure.
Construction Update (March 2025) The Tiburon Pipeline Replacement Project was completed in early 2025. |
Contact Information
- Marin Water Construction Management team: 415-945-1560
Maintaining Infrastructure is Top Priority
This pipeline replacement project replaces aging infrastructure as part of the District's Capital Improvement Program. Work to install seismically resilient welded steel pipe ensures water supply reliability now, while also improving water quality and lowering maintenance costs moving forward.
| Project | Tiburon Pipeline Replacement Project |
| Program | A1A02A Replacements - Distribution Pipelines |
| Project Number | D23018 |
| Contact | Ava Pridgeon | apridgeon@marinwater.org |
Project Description
Replacement of approximately 3,490 feet of 6-inch, cast-iron pipe installed in 1922 beneath Paradise Drive in the Town of Tiburon. The project includes the installation of 8-, 6- and 4-inch welded steel water pipe with valves, fittings, laterals and appurtenances in coordination with the Town of Tiburon's street overlay program. Work will take place between Mar West Street and Agreste Avenue, crossing Solano Street in the process.
Benefits
The Town has notified the District that their full depth reclamation project will grind down the street 18 inches and the District water main is located at approximately 20 inches of cover. By replacing this section of cast iron with new welded steel pipe at a depth of 36-inches, the District will be able to ensure that the pipe will not be damaged during the reconstruction process and will have a new reliable and seismically resilient section of distribution main along this section of Paradise Drive.
Schedule and Status
Planning: February 2023 - July 2023
Design: May 2023 - May 2024
Construction: July 2024 - December 2024
Funding Sources
Capital Maintenance Fund | Other Funding Sources | Total |
$2,396,589 | $715,696 | $3,112,285 |