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

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Rock Slope Protection (Riprap)

Closed

State & Local

Submission Closed09/10/2026, 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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NAICS: 238910

New

SLED

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Demolition Services for Public Works

Solicitation # D-26-006-201

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POSTED

DEADLINE

Utility Demolition and AbandonmentThis subcontract agreement involves the demolition, capping, and removal of underground utilities for Department of Administrative Services projects located at the Glenwood Resource Center Campus. The scope of work requires the identification, disconnection, and subsequent removal or abandonment of water, sewer, and electrical lines in strict accordance with the GRC Pavement and Utility Demolition Phase 3 plans. To complete these tasks, the contractor must utilize specialized trenching equipment and utility locating tools to ensure the safe and efficient delivery of decommissioned and capped utility infrastructure. The solicitation is categorized under NAICS code 238910 and is managed by the state of Iowa. Interested parties must submit their responses by the deadline of October 14, 2026. This opportunity is specifically structured as a subcontracting role intended to support prime contractors performing essential infrastructure work on campus. All technical execution and utility management must align with the specific project phases outlined in the official demolition plans.

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DEADLINE

Pavement Demolition and RemovalThis subcontract for Pavement Demolition and Removal involves the demolition and removal of existing asphalt and concrete pavement at the Glenwood Resource Center Campus for prime contractors on Department of Administrative Services projects. The selected contractor will be responsible for breaking, excavating, and hauling away pavement surfaces using jackhammers, skid steers, and excavators to deliver a cleared site area at specified depths. Applicants must hold standard Iowa commercial contractor licensing and fall under NAICS code 238910. The opportunity was posted on September 27, 2026, with a response deadline of October 14, 2026. Interested parties can find further details through the Iowa Department of Administrative Services bidding portal.

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GLENWOOD RESOURCE CENTER DEMOLITION - PHASE 3

Solicitation # HDR Project No 10435937-6

The Glenwood Resource Center Demolition Phase 3 project, issued by the Glenwood Redevelopment Corporation under solicitation number HDR Project No 10435937-6, seeks demolition services for existing pavement and utilities at the Glenwood Resource Center Campus in Glenwood, Iowa. This SLED organization project falls under NAICS code 238910 and requires contractors to adhere to the technical specifications and performance outputs detailed in the project manual and IFB plans dated September 23, 2026. The solicitation was posted on September 27, 2026, with a response deadline of October 14, 2026, at 2:00 PM CDT. Interested parties can access the full solicitation via the provided SciQuest link or the A&D Technical Supply Planroom. Primary contact for the solicitation is Craig Trotter, with additional project administration handled through the designated project email address.

POSTED

DEADLINE

Resource Center Pavement and Utility Demolition

Solicitation # HDR Project No 10435937-6

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POSTED

DEADLINE

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Site Preparation & EarthworkThis subcontract for Site Preparation and Earthwork is managed by the General Services Administration's PBS Project Delivery Capital Construction Branch Northeast. The project involves performing site clearing, selective demolition, grading, and excavation to prepare the site for substructure construction of a parking garage at the St. Elizabeths West Campus in Washington, DC. The scope of work includes hauling and excavation support to deliver a fully graded and prepared site. Because the project is located on a high-security federal campus and a National Historic Landmark, specialized operational considerations are required. The opportunity is categorized under NAICS code 238910, with a response deadline of October 26, 2026.

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Demolition & Site PreparationThis subcontract for Demolition and Site Preparation involves providing specialized demolition and excavation services for prime contractors on water treatment plant projects for the City of Lake Worth Beach. The scope of work includes the general demolition of electrical, mechanical, plumbing, and architectural components, as well as utility marking and excavation using heavy machinery to deliver a cleared site ready for new installations. The project requires strict compliance with Florida Statutes Chapter 556 regarding Sunshine State One-Call regulations. This opportunity is categorized under NAICS code 238910, with a response deadline set for October 27, 2026.

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POSTED

DEADLINE

Site Excavation & EarthworkThis subcontract for Site Excavation and Earthwork involves providing excavation and material disposal services for prime contractors on Eastern Connecticut Conservation District projects. The scope of work includes clearing and grubbing, managing borrow and waste areas, and performing excavation in accordance with NRCS Construction Specification 21. The contractor is required to utilize heavy excavation equipment and hauling trucks to deliver sites prepared to specific grades and dimensions. Managed by DAS Procurement for the state of Connecticut, the opportunity is categorized under NAICS code 238910. The solicitation was posted on September 26, 2026, with a response deadline of November 3, 2026. Interested parties can find further details through the CTSource Bid Board.

POSTED

DEADLINE

Base Material Supply and InstallationThis subcontract for Base Material Supply and Installation involves the procurement and placement of processed aggregate base materials for the Town of Plainfield Rec Center Entrance projects. The selected contractor is responsible for supplying and installing materials according to the specifications outlined in the Construction Plan, ensuring all work passes building inspections to provide a compacted and graded base ready for concrete pouring. Managed by the Connecticut DAS Procurement agency, the opportunity was posted on September 26, 2026, with a response deadline of October 20, 2026. The project falls under NAICS code 238910 and is designed for prime contractors overseeing the entrance construction.

DAS Procurement

POSTED

3 days ago

DEADLINE

in 22 days

AI Contract Overview

This subcontract for the State of California Department of Transportation involves the provision of rock slope protection and riprap services for prime contractors on highway projects within Caltrans District 06. The scope of work requires the placement of rock and riprap in strict accordance with Division II General Construction and Sections 19 and 21 to effectively prevent erosion. The contractor must utilize heavy hauling equipment and ensure all rock materials comply with Buy America and Build America standards. This opportunity is categorized under NAICS code 238910, with a response deadline of September 10, 2026, for performance in the 93212 zip code area.

General Info

Caltrans District 06 subcontract for rock slope protection and riprap services by September 2026.

Agency

California → STATE OF CALIFORNIA DEPARTMENT OF TRANSPORTATION

NAICS

238910 - Site Preparation Contractors

Place of Performance

CA, 93212, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260815032.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Construction On State Highway In Kings County In Corcoran At Sweet Canal

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 17

subcontract

Response DeadlineSep 10

Deadline has passed

Submission Closed

09/10/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → STATE OF CALIFORNIA DEPARTMENT OF TRANSPORTATION

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → STATE OF CALIFORNIA DEPARTMENT OF TRANSPORTATION

Office AddressN/A

ContactsNo contact information available

Full Description

Performs rock slope protection for prime contractors on Caltrans District 06 highway projects. Places rock and riprap according to Division II General Construction and Sections 19 and 21. Utilizes heavy hauling equipment and rock material compliant with Buy America/Build America standards. Delivers completed rock slope protection to prevent erosion.