Project Information

Bid Title

Storm Drainage Vulnerability Analysis

Issuing Agency

Mendocino County

Location

California

Published Date

May 4, 2026

Closing Date

May 29, 2026

Government Level

State & Local

Status

Closed

Ref. #

260003

Original Source

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Bid Documents

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Project Description

Storm Drainage Vulnerability Analysis

• Department: Transportation
• RFP Number: 260003
• Start Date: 04/10/2026 1:41 PM
• Close Date: 05/29/2026 3:30 PM

• Awarded No
• Pending No
• Failed No

Addendum No. 1

See full Request for Proposal for more information.

Project Summary:

Mendocino County Department of Transportation (MCDOT) is seeking the services of a Professional Engineering Design firm to provide civil engineering for a state and locally funded Sustainable Transportation Planning Grant (STPG) project.

This project will conduct a vulnerability analysis of the storm drainage system of county-owned and maintained rural roadways in 5 areas. These areas are the northern part of the Ukiah, Talmage, Old Hopland, Irish Beach, and west road in Redwood Valley. The analysis will inventory the storm drainage system in these areas, including rural culverts, with data such as location, diameter, pipe material, length, condition, and inlet/outlet elevations (all of which can affect a culvert's conveyance capacity). The analysis will then evaluate the existing system’s ability to convey the anticipated flows predicted using the State's latest climate prediction models. The County will utilize the findings of this analysis to prioritize replacement of culverts that cannot accommodate the impacts of climate change.

Submission Information:

Vendors must submit four (4) copies of their proposal: three (3) complete paper copies with original Vendor signature, and one (1) complete copy on USB Flash Drive. The proposal must be formatted in accordance with the instructions of this RFP. Promotional materials may be attached but are not necessary and will not be considered as meeting any of the requirements of this RFP. Proposals must be enclosed in a sealed envelope or package, clearly marked “Mendocino County RFP No. 260003”, and delivered by 3:30 p.m. May 15, 2026 to:

Mendocino County Department of Transportation

340 Lake Mendocino Drive Ukiah, CA 95482-9432

Attn:Jannaliese Blundell

Late or facsimile proposals will not be accepted. It is the proposer’s responsibility to assure that its proposal is delivered and received at the location specified herein, on or before the date and hour set. Proposals received after the date and time specified will not be considered. Note: The unauthorized use of the County’s official logo is strictly prohibited.

Commodity Codes

• NAICS 237110Water and Sewer Line and Related Structures Construction
• NAICS 237990Other Heavy and Civil Engineering Construction
• NAICS 541330Engineering Services

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