Rdwy excavation, place HMA, trenchless culverts, and retaining walls.

Background
The California Department of Transportation is issuing a contract for roadway excavation, placement of Hot Mix Asphalt (HMA), installation of trenchless culverts, and construction of retaining walls.
This project is located in Nevada County near Grass Valley, specifically from 0.2 miles south of La Barr Meadows Road to 0.1 mile north of the South Grass Valley Overcrossing.
The estimated amount for this contract is $83,000,000.

Work Details
The contractor will be responsible for the following tasks:
- Excavation of roadway areas as specified in the project plans.
- Placement of Hot Mix Asphalt (HMA) for road surface improvements.
- Installation of trenchless culverts to facilitate drainage and water flow without disturbing the surface above.
- Construction of retaining walls to support the roadway and prevent soil erosion.

The project requires adherence to all specifications outlined in the plans available on the California Department of Transportation's website.

Period of Performance
The contract work is expected to be completed within 750 working days from the start date.

Place of Performance
The work will be performed in Nevada County, California, specifically along State Route 49 between designated points near Grass Valley.

Bidder Requirements
Bidders must possess a Class A contractor's license or a combination of Class C licenses (C-12 and C-8) that constitutes a majority of the work.
Additional licensing requirements may apply as per the California Department of Consumer Affairs.