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Published December 11, 2025 at 7:00 PM
Updated December 12, 2025
Site work for a bridge / tunnel in Saint Helena, California. Completed plans call for site work for a bridge / tunnel.
This project consists of mitigation plantings under the direction of a project biologist, irrigation installation, plant monitoring, hydroseeding, tree protection, replanting if necessary, annual reports required by permitting agencies, and removing of irrigation at the end of the project. Tree plantings are to be about 14 inches deep. Off-site plantings include 23 White Alder trees and 109 Common Rush grass-like plants. On-site plantings include 4 Arroyo Willow trees, 19 Big Leaf Maple trees, 17 Canyon Live Oak trees, 29 Coast Live Oak trees, and 5 White Alder trees. The work covers two locations: an on-site planting area at a recently replaced bridge, and an offsite location at Moore Creek Park, both near Chiles Pope Valley Road in rural Napa County, California. This project includes but is not limited to planting, irrigation, watering, and monitoring. Bidders shall submit all inquiries regarding this bid via the County e-Procurement Portal. Question & Substitution Request Submission Deadline: December 2, 2025, 5:00pm
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Bridges / Tunnels
$499,835.00
Public - County
Site Work
Trades Specified
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December 11, 2025
January 12, 2026
Chiles Pope Valley Rd & Moore Creek Trail, Saint Helena, CA
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