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SFPUC approves $7.49 million schedule and cost revisions for three WESIP projects
Summary
The San Francisco Public Utilities Commission approved schedule and cost revisions totaling $7,487,700 for three Water Enterprise System Improvement Program projects — the Irvington Tunnel, Bay Division pipeline reliability upgrade and the Polgus dechlorination project — while keeping the overall WESIP budget and completion date unchanged.
The San Francisco Public Utilities Commission on June 12 approved schedule and cost revisions for three Water Enterprise System Improvement Program (WESIP) projects with a total cost impact of $7,487,700, staff said.
Julie Labonte, WESIP director, told the commission the program as a whole is “50% complete” by expenditure and that the proposed changes do not alter the program completion date or the overall program budget. She described field conditions that drove the requests, saying the Irvington Tunnel encountered “deferred site conditions,” including excavation through rock harder than contract documents anticipated, a Cal/OSHA reclassification that changed hazard controls, and significant groundwater seepage that affected schedule and costs.
Labonte also said an archaeological burial site near Cordillera Creek required the program to “microtunnel under the site” rather than use the originally planned construction approach, and that the team issued a third contract to address that constraint. For the smaller Polgus Dechlorination Project, she cited differing as-built conditions, needed design modifications and equipment delivery delays caused by flooding in Thailand.
Public commenter Art Jensen of Bosco recommended the commission approve the schedule changes and asked that cost impacts continue to be included in subsequent reports. Following public comment and discussion, a motion to approve the changes was moved, seconded and carried.
The staff recommendation also directs that a notice-of-change report be sent to the California Department of Public Health and the state seismic-safety agency, as required. Labonte said the commission previously authorized the general manager to approve schedule extensions up to 400 days and that the current request formally incorporates that extension into the project schedules.
The commission approved the item by voice vote; staff will report future cost and schedule updates back to the commission as the projects proceed.
