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  5. ›Environmental Services RFP for the HSIP Cycle 12…

Napa County·California

Environmental Services RFP for the HSIP Cycle 12 - Guardrail and End Treatment Upgrade Project

Closes 2/24/2026$500k – $2MRequest for Proposal
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Description

The Napa County Department of Public Works is seeking proposals from qualified professional firms to provide environmental services, including biological and cultural resources services, for the HSIP Cycle 12 - Guardrail and End Treatment Upgrade Project. The project involves upgrading guardrails and end treatments, and the successful bidder will be required to provide environmental services as part of the project. Key aspects of the project include: • Biological and cultural resources services • Guardrail and end treatment upgrade • Compliance with environmental regulations • Coordination with stakeholders and regulatory agencies The bidder will be expected to have experience in providing environmental services for similar projects and to have a strong understanding of the regulatory framework governing environmental services in California.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Key dates

Opened
1/23/2026
Closes
2/24/2026

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
541620
Solicitation №
516

Budget estimate

$500,000 – $2,000,000

The budget for this project is difficult to estimate without more information about the scope of work and the requirements of the project. However, based on the fact that the project involves upgrading guardrails and end treatments, and providing environmental services, the budget could be in the range of $500,000 to $2 million. This estimate is based on the assumption that the project will require significant environmental services, including biological and cultural resources services, and that the guardrail and end treatment upgrades will be substantial. Factors that could influence the budget include the complexity of the environmental services required, the scope of the guardrail and end treatment upgrades, and the number of stakeholders and regulatory agencies involved.

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