Project Information

Bid Title

Calaveras Road Landslide Repair

Issuing Agency

City of Milpitas

Location

California

Published Date

Oct 6, 2025

Closing Date

Nov 5, 2025

Government Level

State & Local

Status

Closed

Ref. #

CP 4302

Original Source

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Bid Documents

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Project Description

Project ID: CP 4302

Title: Calaveras Road Landslide Repair

Addenda: 0

Release Date: 10/6/2025

Due Date: 11/5/2025

Post Information

Posted At:Mon, Oct 6, 2025 1:45 PMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

The City of Milpitas (“City”) is seeking proposals from qualified proposers (“Proposer”) in response to this Request for Proposals (“RFP”) to perform assessment, design, construction support, permitting, and environmental analysis for the landslide repair and improvement of the City owned road segment on Calaveras Road approximately 1,500 feet east of the Evans/Piedmont Road and Calaveras Road intersection. The Project site is located approximately 1,500 feet east of the Evans/Piedmont Road and Calaveras Road intersection.

Background

Over the past three decades, this roadway segment has sustained repeated damage from adjacent slope failures. The following is a summary of the City’s improvement efforts undertaken in response to these events.

• 1992: Installation of three Mechanically Stabilized Earth (MSE) retaining walls (Retaining Wall No. 1, 2, and 3) and reconstruction of the roadway.
• 2002: Installation of a grade beam wall at Retaining Wall No. 3, reconstruction of the roadway and storm drain improvements.
• 2017: Installation of pin-pile wall at Retaining Wall No. 3 with a subdrain system and reconstruction of the roadway.

On December 31, 2022, a severe rainstorm triggered renewed ground movement on the southern side of Calaveras Road, in the proximity of previously installed pin-pile wall at Retaining Wall No. 3, located approximately 1,800 feet east of the Evans/Piedmont Road intersection. The storm caused a shallow slope failure, exposing the upper five feet for approximate 100 feet of the 200-foot-long wall. Additionally, vertical cracking parallel with the existing wall suggests the extent of the slope failure includes the roadway section.

Timeline

Release Date:

October 6, 2025

Site Reconnaissance Meeting (Non-Mandatory):

October 21, 2025, 10:00am

See Attachment A, Figure 1 on RFP
https://maps.app.goo.gl/4nmFujtvsBychEsk9

Question Submission Deadline:

October 27, 2025, 2:00pm

Proposal Submission Deadline:

November 5, 2025, 4:00pm

Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction

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