Project Description
Tuolumne Utilities District is accepting on call estimates for a twin siphon repair that will run adjacent to the Sonora Creek bridge crossing on Southgate Drive in Sonora, CA. Additionally, the final design will include either construction of a new manhole or installation of a 4-foot by 4-foot valve vault.
Additionally, the contractor shall comply with all conditions, requirements, and provisions of the City of Sonora Encroachment Permit, if applicable. See Attachment A in the On Call Time Materials Estimate Form below to see full details on the project’s scope of work.
Post Date
September 10, 2026
Proposal Due Date
September 21, 2026 by 10:00 AM
Field Meetings:
September 15, 2026 at 8:00 AM or;
September 17, 2026 at 10:00 AM
Submission Guidelines
Estimates should be submitted via email to [email protected]. Please note that we will only accept submissions via email due to potential post office time delays.
Project Documents
On Call Time Materials Estimate Form
Note: This is not a bid, it is a time and materials estimate. The Contractor is not guaranteed payment in the amount of this estimate. Final payment will be based on actual cost-plus prescribed markups. At the District’s option, material and equipment invoices along with payroll records may be requested before authorizing payment.