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As part of the 2022 annual guardrail repair, the County plans to repair about 26 damaged guardrails located on various streets within the limit of Napa County. The existing guardrails are metal beam guardrails (MBGR) or Midwest Guardrail Systems (MGS) on wood or metal posts. Where feasible, the proposed repair will replace the damaged guardrails to the current 2018 Caltrans Standards including Caltrans approved (MASH compliant) end treatments.
The Project shall include but not be limited to all labor and materials for the following safety enhancement components for Napa County: guardrails, delineators, installation of new wood posts and wood blocks for guardrail, new terminal end treatments, and new guardrail beams.
Construction Area Signs per CAMUTCD standards and Special Provision
Temporary Traffic Control per CAMUTCD standards and Special Provisions
Removal and disposal of Existing Guardrail System
Coordination with Napa County Roads Department for Shoulder Backing
Installation of Guardrail System
All construction activities, including staging, shall occur within the County right of way.
Per the project specifications, the contractor will be responsible to notify all adjoining property owners of the work schedule and make accommodation where deemed necessary.
Traffic control will be conducted per CAMUTCD standards and these special provisions:
Limit lane closures to 7:00 am to 5:00 pm with prior approval from the County
One lane must be kept open at all time.
Only one stationary lane closure at a time.
Flaggers must be stationed at both ends of the closure.
Access to private property must be provided at all times.
Addendum 1 has been added. The planholder's list has been added. The bid opening was 09/01/22 at 11:30 AM. The project was awarded by the Board of Supervisors on September 13, 2022 to Dirt & Aggregate Interchange for their low base bid and additive alternate of $342,642.