Silverado Trail Phase M Paving, RDS 20-03


  • Status: Construction
  • Contact: Sonja El-Wakil
  • Publish Date: June 17, 2021

Project Scope

The proposed project will consist of the placement of a 2.0 inch thick layer of rubberized asphalt, gap graded (RHMA-G) on Silverado Trail from Hardman Ave intersection to Trancas St intersection, including pre-paving HMA-Type A roadway repair, conform and floodway grinding and all other related work. The restriping pattern will be to match existing, unless noted per plan. 

Contractor shall possess a Class A or C-12 license at the time of contract award. 

Project Map

View a map of the project on the County’s Geographical Information System Map.

Bid Documents

The Notice to Contractors is attached below for viewing or download. The bid documents: Plans and specifications are available. Addendum 1 was added 07-01-21. The bid opening was July 8th at 11:30 am. The 3 lowest bidders list is available for viewing. The project was awarded by the Board of Supervisors on July 20, 2021 to Granite Rock Company of San Jose, CA. The total Base bid with the Additive Alternate #1 was awarded to total $1,447,435.60.

ContractorTotal Base Bid
Granite Rock Co. - San Jose, CA
Ghilotti Brothers Inc. - San Rafael, CA
O.C. Jones & Sons, Inc.
Argonaut Constructors - Santa Rosa, CA
Granite Construction Co. - Ukiah, CA
Ghilotti Construction Co. - Santa Rosa. CA