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SON-1 Gabion Basket Repair DDO (EA 4X050)

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State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Caltrans District 4 is seeking to repair a damaged gabion basket retaining wall on southbound Highway 1 in Sonoma County at post mile 22.45, located in unincorporated Jenner. The project, identified as SON-1 Gabion Basket Repair DDO (EA 4X050) under NAICS code 237310, involves the removal of damaged baskets measuring approximately 18 feet on the top row and 12 feet on the second row. The scope of work includes reusing the existing rock from the damaged sections to fill new baskets of the same size, performing excavation under the roadway to embed the baskets, and installing geogrid for stabilization. To finalize the repair, vegetation matching the existing environment will be placed on top of the geogrid. The project is managed by the Caltrans District 4 Office of Maintenance Environmental and is classified as a Categorical Exemption under PRC 21084 and 14 CCR 15301 Class 1, as no environmental impacts are anticipated. The notice was posted on January 14, 2026, with Juliane Smith serving as the primary point of contact. The work is situated 1.2 miles north of Jenner Sea Lion Rest Place and south of the Jenner Headlands Preserve.

General Info

Caltrans District 4 will repair a gabion basket retaining wall on Highway 1.

Agency

California → Caltrans, District 4 - Bay Area/Oakland

NAICS

237310 - Highway, Street, and Bridge ConstructionView NAICS

Place of Performance

Set-Aside

NONE

Documents

(1)

Notice of Exemption for SON-1 Gabion Basket Repair DDO (EA 4X050)

PDF•notice-of-exemption

AI Contract Breakdown

Uniform Contract Format

Timeline

PostedJan 14

forecast

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Organization & Contact Information

AgencyCalifornia → Caltrans, District 4 - Bay Area/Oakland

Contacts1 person available

OfficeN/A

Organization / Agency

California → Caltrans, District 4 - Bay Area/Oakland

Office AddressN/A

Contacts

Juliane SmithSenior Environmental Scientist (NEPA/CEQA Specialist)

contact@example.gov

+1 (555) 000-0000

Full Description

Caltrans proposes repairing a damaged section of an existing gabion basket retaining wall on southbound Highway 1 at post mile (PM) 22.45. The corner of the gabion basket retaining wall was damaged by a car that drove off the roadway. The top two rows of the wall were damaged about 18 feet in length (one and a half baskets) on the top row and about 12 feet in length (one basket) on the second row. The damaged baskets will be removed, and the rock inside will be set aside to be reused in the new baskets. New gabion baskets of the same size will then be installed. Excavation under the roadway will be required in order to embed the baskets. Geogrid will then be installed on top of the basket and up under the roadway to hold it in place. Vegetation that matches the existing conditions will be placed on top of the geogrid.