SFPUC approves contingency and duration increases for two water infrastructure contracts

The San Francisco Public Utilities Commission approved two amendments to existing construction contracts to allow additional time and funds to complete work.

WD‑2878A (Regional Groundwater Storage & Recovery, Phase 2A): Project manager Tracy Kale requested an increase of 300 calendar days to the duration contingency (revising the contract duration limit to approximately 12,508 calendar days) with no change to contract amount. Kale said the extension was needed because the contractor's initial submittals for vertical turbine line‑shaft installation did not meet the manufacturer's recommended installation in the operation and maintenance manuals; the contractor and manufacturer worked with staff to correct the method, which added time. Commissioners asked for clarification; staff confirmed the issue was resolved by coordinating with the manufacturer and that the additional time is to accommodate proper installation.

WW‑719A (Folsom Area Stormwater Improvements / SOMA and Mission sewer replacement): Project manager Derek Adams requested an increase of $350,000 to the cost contingency and 140 calendar days to the duration contingency so the contractor can complete remaining work and close out the contract after encountering unexpected subsurface conditions while installing a 60‑inch pipeline. Staff said the contractor will absorb some damages (for example to overhead Muni lines) and that this increase will allow the current contract to finish before subsequent contracts in the project series begin.

Both requests passed by unanimous roll call votes. Commissioners emphasized the importance of contract oversight and adherence to manufacturer O&M instructions during installation.

Ending: Staff will continue project closeout and return as needed on subsequent contract awards for remaining phases.