The objective of the project is to provide interim repairs to the Mountain Tunnel lining during winter 2018- 2019 shutdown, including concrete tunnel lining repairs, contact grouting, tunnel invert smoothing, concrete invert paving, removal of debris from rock trap, ground penetrating radar investigation of grouting, downhole video camera reading of second Garrote shaft. In addition, water diversion and treatment, staging areas, access road clearing, temporary utilities, ventilation, and communications for tunnel work, in-tunnel surveys, and support for special inspections. The work is to be performed in Tuolumne County, California.
For additional information about this project, please visit the SFPUC's website. To review the plans and specifications for the project, feel free to visit the Center's plan room at 150 Executive Park Blvd., Suite 1300, San Francisco, CA 94134 or the Moccasin Administrative Building at 1 Lakeshore Dr (near the junction of HWY 49 and HWY 120), Moccasin, CA 95347.
A site inspection will be held following the pre-bid conference on 12/21/2017.
No LBE Subcontracting Requirement.
Bidders are encouraged to use San Francisco
Local Certified Small and Micro-LBEs to the extent possible.