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Marin Water will replace about 4,540 feet of aging water pipeline beneath a portion of Sir Francis Drake Boulevard and adjacent streets. This portion of water pipeline is nearing 100 years old, and it has a history of frequent main breaks and costly pavement repairs. The new, 12-inch, welded steel pipe will provide a seismically stable alternative that will also boost flows to fire hydrants, enhancing emergency capacity in the area. Work is expected to start in mid-June to reduce impacts on traffic near Archie Williams High School.
Construction Update (July 11, 2024)With the Town of San Anselmo's approval, the District’s contractor has instituted 7 a.m. daily start times – an hour earlier than when construction began – in an effort to get more of the work completed before students head back to Archie Williams High School. This schedule will be in place until Aug. 20, at which time the daily construction schedule on Sir Francis Drake Boulevard will shift to 9 a.m. to 3 p.m. to accommodate school- and commuter-related traffic. |
Traffic and neighborhood impacts:
- Archie Williams High School sits in the middle of the planned construction zone. To minimize impacts, Marin Water and its contractor will do everything possible to complete construction activity while school is not in session.
- Traffic along Sir Francis Drake Boulevard between Butterfield Road and San Francisco Boulevard will be reduced to one lane in each direction during construction.
Maintaining water system infrastructure is a top priority
The Sir Francis Drake Pipeline Replacement Project is part of Marin Water’s Capital Improvement Program, which prioritizes updates to the District’s aging water infrastructure system to ensure its reliability and resiliency. With parts of this area’s water pipelines nearing 100 years old, and a history of costly failures, water main replacement here is critical to ensuring reliable water delivery to customers in the area.
| Project | Sir Francis Drake-Butterfield Pipeline Replacement Project |
| Program | A1A02A Replacements - Distribution Pipelines |
| Project Number | D23009 |
| Contact | Alex Anaya | AAnaya@marinwater.org |
Project Description
This pipeline replacement project will replace 3,200 feet of 1923 and 1930 8-inch and 10-inch cast iron pipe with a single new 12-inch pipe.
Benefits
This section of water main has a frequent history of main breaks with costly pavement repairs.
Schedule and Status
Design: Fall 2022 - Spring 2024
Construction: April 2024 - November 2024 *
Funding Sources
Capital Maintenance Fund | Other Funding Sources | Total |
$3,799,400 | - | $3,799,400 |