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SR-1 Wildlife Crossing

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1M530State & Local

Contract Overview

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

AI Contract Overview

Caltrans District 5 is planning a geotechnical site investigation for the SR-1 Wildlife Crossing at PM 5.11 in Santa Cruz County to support the design of a trenchless culvert installation. The investigation will involve drilling six vertical borings—five through the paved roadway and one through the dirt road in the median—to assess subsurface soil and rock conditions. Each boring will be four to six inches in diameter and reach depths between 30 and 40 feet below ground surface, with all work conducted within State Right-of-Way accessible from the travel lanes, median, or paved and unvegetated shoulders. The investigation is scheduled to occur at night during dry weather months from June through October and is expected to take up to three weeks to complete. Backfilling procedures will be followed after drilling, using neat cement and/or bentonite clay to properly seal each borehole. Measures will be implemented to prevent equipment leaks or drilling fluid spills, ensuring environmental compliance and minimal disruption to surrounding areas. All work will be managed by Caltrans, with primary point of contact Dianna Beck, Senior Environmental Planner, reachable via phone or email for project inquiries.

General Info

Caltrans to drill six boreholes for geotechnical investigation at SR-1 wildlife crossing, night work June–October.

Agency

California → Caltrans, District 5 - San Luis Obispo/Santa Barbara

NAICS

541360 - Geophysical Surveying and Mapping Services

Place of Performance

State Route 1, Postmile 5.11, Watsonville, CA, 95076

Set-Aside

NONE

Documents

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Timeline

PhaseForecast

PostedJun 9

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Organization & Contact Information

AgencyCalifornia → Caltrans, District 5 - San Luis Obispo/Santa Barbara

Contacts1 person available

OfficeN/A

Organization / Agency

California → Caltrans, District 5 - San Luis Obispo/Santa Barbara

Office AddressN/A

Contacts

Dianna BeckSenior Environmental Planner

contact@example.gov

+1 (555) 000-0000

Full Description

Caltrans Geotechnical Design proposes a geotechnical site investigation for the SR-1 Wildlife Crossing, located on State Route 1 (SR-1) at PM 5.11 in Santa Cruz County. Trenchless culvert installation requires a subsurface investigation to evaluate subsurface site conditions by drilling vertical borings, performing in-situ soil testing, and confirming soil and rock conditions for use in design. A total of six borings will be advanced: five through pavement into soil and rock, and one through a dirt road in the median into soil and rock. The proposed borings would be four to six inches in diameter and extend between 30 and 40 feet below the ground surface, depending on the location. Once the borings are completed, each hole will be backfilled following appropriate procedures. Typically, the backfill material is a neat cement and/or bentonite (clay).It may take up to three weeks to complete the investigation. Work is anticipated to occur at night. Drilling activities will occur during dry weather only, June through October. Precautions during drilling will be employed to minimize the potential for equipment leaks or drilling fluid spillage. All borings will be drilled within State Right-of-Way (ROW), accessible from the northbound and southbound travel lanes of SR-1, the median, or in the paved or unvegetated shoulder.