This Government Contract opportunity from California was posted on June 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Unforeseen Conditions Mitigation

Closed

State & Local

Submission Closed07/21/2026, 09:00:00 PM UTC

Contract Overview

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

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AI Contract Overview

The Unforeseen Conditions Mitigation subcontract, issued by the Alameda-Contra Costa Transit District in California, focuses on managing responses to unknown subsurface or environmental conditions encountered during construction. This includes addressing issues such as contaminated soil and undocumented utilities to ensure project continuity and safety. The work is designated under NAICS code 541620 and will be performed in Hayward, California. The solicitation was posted on June 17, 2026, with a response deadline of July 21, 2026. Interested parties can find further details and submission guidelines through the BidAmerica portal.

General Info

Alameda-Contra Costa Transit District subcontract for unforeseen conditions mitigation in Hayward, California.

Agency

California → ALAMEDA- CONTRA COSTA TRANSIT DISTRICTView Agency

NAICS

541620 - Environmental Consulting ServicesView NAICS

Place of Performance

Hayward, CA, 94545, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-1683.

The full solicitation package (11 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

TEC MODERNIZATION & ADDITION

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Timeline

PhaseClosed

PostedJun 17

subcontract

Response DeadlineJul 21

Deadline has passed

Submission Closed

07/21/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → ALAMEDA- CONTRA COSTA TRANSIT DISTRICT

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → ALAMEDA- CONTRA COSTA TRANSIT DISTRICT

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Response to unknown subsurface or environmental conditions such as contaminated soil or undocumented utilities during construction.

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