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This Government Contract opportunity from California was posted on May 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Backfill – Select and Common

Closed
State & Local

Contract Overview

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

Active Opportunities Like This One

NAICS: 237990
New
North of River Sanitary District No. 1 WRRF Upgrades and Expansion
Solicitation # north-river-sanitary-district-no-1-wrrf-upgrades-expansion
Kiewit Infrastructure West Co. is soliciting sub-quotes for the North of River Sanitary District No. 1 WRRF Upgrades and Expansion project located in Bakersfield, California. The scope of work is extensive, covering civil and site work such as aggregates, trucking, asphalt paving, and curb and gutter; structural and finishing tasks including concrete reinforcing, masonry, welding, roofing, and painting; and specialized electrical and piping installations. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a response deadline of September 17, 2026. The project is partially funded by the Water Infrastructure Finance and Innovation Act administered by the EPA, making it subject to the American Iron and Steel provisions, Davis-Bacon Related Acts, and DBE Program requirements. Eligible bidders include DBE, SBE, MBE, WBE, SBRA, LSFA, and HUB Zone small businesses, with DBEs required to provide valid certification from recognized bodies such as the US EPA or SBA. Qualified respondents must hold a valid California Contractor’s license and provide acceptable insurance. Additionally, responsible subcontractors may be required to provide bonding for 100% of their contract value, for which Kiewit will reimburse the premiums.
Kiewit Infrastructure West Co.

POSTED

about 3 hours ago

DEADLINE

in 4 days
NAICS: 237990
New
Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair
Solicitation # W9128A26BA002
The U.S. Army Corps of Engineers Honolulu District is soliciting sealed bids for the Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair project in Oahu, Hawaii. This firm-fixed-price contract, with an estimated value between 1 million and 5 million dollars, involves maintenance dredging of approximately 4,260 cubic yards with ocean disposal at an approved offshore site south of Oahu. The scope also includes vegetation clearance and revetted mole repairs, such as stone rework, filling voids with additional stone, and root removal. The period of performance is 200 calendar days from the receipt of the Notice to Proceed. The solicitation is set aside for HUBZone Small Businesses, who receive a 10 percent price evaluation preference. Award is based on the lowest responsive bid that complies with all material respects of the invitation. Key requirements include the provision of performance and payment bonds, adherence to the Davis-Bacon Act for wages, and the appointment of key personnel, including a Project Manager, Project Superintendent, Quality Control System Manager, and Site Safety and Health Officer. Technical acceptance is based on third-party multi-beam hydrographic surveys and strict quality standards for stone materials. Bids must be submitted physically via commercial carrier or in-person by September 30, 2026, as electronic submissions are not permitted.
Healy Tibbitts Builders, Inc.

POSTED

about 3 hours ago

DEADLINE

in 17 days

AI Contract Overview

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This contract involves the placement of select and common backfill materials to provide structural support and restore the site following construction activities. It is a subcontract opportunity issued by the Public Works agency in California, focusing on earthwork services under the NAICS code 237990, which covers site preparation contractors. The contract aims to ensure proper backfilling to maintain site integrity and compliance with project specifications. The solicitation was posted on May 27, 2026, with a response deadline set for July 9, 2026. While specific location details and points of contact are not provided, interested parties can access additional information through the linked procurement portal. The contract does not indicate any set-aside status, suggesting it is open to qualified subcontractors capable of delivering the required backfill services.

General Info

California Public Works subcontract for backfill earthwork, site restoration; bid due July 9, 2026.

Agency

California → Public WorksView Agency

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of TR23-0200.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

South Kelly - Highway 29 Intersection Project

AI Contract Breakdown

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No contract breakdown available.

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → Public Works
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → Public Works
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

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Placement of select and common backfill materials for structural support and site restoration.

More opportunities from California → Public Works

Same awarding agency

NAICS: 541360
New
SLED
Vegetation Monitoring Survey and Report for the Napa County Flood Protection Project RFP
Solicitation # FDRFP20260908
The Napa County Flood Control and Water Conservation District is seeking proposals from qualified firms to perform a comprehensive vegetation survey and monitoring report for restoration areas associated with the Napa River Flood Protection Project. The selected contractor will analyze biological, chemical, and physical changes over time based on the Project Mitigation and Monitoring Plan and previous reports from 2017 and 2022. The scope of work involves a two-scale assessment consisting of high-resolution aerial photo interpretation to determine habitat types and extent, followed by ground-truthing to verify boundaries and document ecological parameters across seventeen vegetation monitoring transects and approximately one hundred ninety sample plots. This solicitation, identified as FDRFP20260908, was posted on September 8, 2026, with a response deadline of November 13, 2026. The project is managed by the Public Works agency in Napa, California, with Mark Snyder serving as the primary point of contact. All deliverables must adhere to ADA and Section 508 accessibility standards and comply with Government Code section 7550 regarding the disclosure of contract and subcontract amounts. The final monitoring report will use specific indicators to evaluate the biological and chemical responses to physical habitat modifications against established performance standards and restoration goals.
Geophysical Surveying and Mapping Services

POSTED

4 days ago

DEADLINE

in 2 months
View Details

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