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Bid Title: Geotechnical Services – Hornitos Road
Category: Construction Services
Status: Closed


                                                         REQUEST FOR PROPOSAL
                                                       GEOTECHNICAL SERVICES

In March 2018, the County of Mariposa encountered some roadway, bridge approach, and guardrail damage. The request for proposal shall include all associated costs, to provide both field and laboratory testing and Operation Services for the proposed permanent roadway construction at two (2) locations for the following project:

Project: Permanent Pavement, Shoulder, and Guardrail Repair of Hornitos Road P.M. 18.75 to P.M. 22.65, Project Number: #0301-1806-18.

Locations: 1. Hornitos Road crossing Corbet Creek 2. Hornitos Road crossing Bear Creek

The project is being funded through Cal-OES. The roadway and bridge approaches were repaired in 2018 under the emergency opening phase: The damage has been repaired with undocumented fill, and sub-base materials.

To provide recommendations and assist the County’s engineering staff, in support of the proposed roadway work. The work shall consist of replacing the emergency repair work with a properly placed sub-base and asphalt that meets the required pavement section at the two (2) locations. The work shall include determination of suitable vs unsuitable soils, recommendation and requirements for material testing and compaction for roadway base, roadway pavement, and shoulder backing. Recommendations as required according to Caltrans Standard Specifications 2018.

Reference the attached Contractor’s Bid Package for the Project Specifications and Bid Schedule.

Written proposals are due in the Public Works Office by 4:00 p.m. on Thursday December 12, 2019.

Please submit questions to Gary Brown at .
Sealed proposals to be sent to:
Mariposa County Public Works
4639 Ben Hur Road, Mariposa, CA 95338

Publication Date/Time:
11/20/2019 1:00 PM
Closing Date/Time:
12/12/2019 4:00 PM

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