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This Government Contract opportunity from California was posted on June 16, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Excavation and Site Grading

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 11 hours ago

DEADLINE

in 4 days
NAICS: 237990
New
Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair
Solicitation # W9128A26BA002
Solicitation W9128A26BA002 is a firm-fixed-price contract issued by the U.S. Army Corps of Engineers Honolulu District for maintenance dredging and revetted mole repair at the Haleiwa Small Boat Harbor in Oahu, Hawaii. The project scope includes mobilization and demobilization, the dredging and ocean disposal of approximately 4,260 cubic yards of material to an approved offshore site south of Oahu, and comprehensive revetment repairs involving clearing, grubbing, stone rework, and vegetation removal. The estimated contract value ranges between 1,000,000 and 5,000,000 dollars, with a performance period of 200 calendar days from the receipt of the Notice to Proceed. This opportunity is set aside for HUBZone Small Businesses, who are eligible for a 10 percent price evaluation preference. Bidders must submit sealed physical bids by September 30, 2026, as electronic submissions are not permitted. Key requirements include the provision of performance and payment bonds, adherence to the Davis-Bacon Act, and the appointment of key personnel, including a Project Manager, Project Superintendent, Quality Control System Manager, and Site Safety and Health Officer. The contract stipulates liquidated damages of 2,297 dollars per calendar day of delay and requires a third-party qualified surveyor for pre- and post-dredge multi-beam hydrographic surveys to verify final quantities.
Healy Tibbitts Builders, Inc.

POSTED

about 11 hours ago

DEADLINE

in 17 days
NAICS: 237990
New
Federal
Station Umpqua River Floating Dock Repair
Solicitation # 70Z03326QSEAT0015
The Department of Homeland Security, through the U.S. Coast Guard Base Seattle, is soliciting bids for a firm-fixed-price contract to repair the floating pier at Station Umpqua River in Winchester Bay, Oregon. The project involves providing all personnel, equipment, and tools to remove deteriorated wooden whalers and hardware and install three layers of 4 by 12 inch wooden whalers, through rods, roller hoops, and an egress ladder, while reinstalling ten existing cleats. The estimated period of performance is from September 21, 2026, to October 22, 2026, with a required completion date of October 14, 2026. This is a total small business set-aside under NAICS code 237990. A mandatory site visit is scheduled for August 27, 2026, at 10:00 AM, and interested offerors must submit their attendee lists by August 26, 2026. Proposals are due by September 14, 2026, at 3:00 PM PST and must be submitted via email to the contracting officer. Submissions are limited to six pages and must include a completed SF 1442, a detailed price breakdown covering mobilization, materials, and labor, and a technical proposal detailing the approach and project schedule. Evaluation will be based on technical capability, past performance, and price, with technical capability being the most significant factor. Awardees must be registered in the System for Award Management and comply with Davis-Bacon Act wage determinations for Douglas County, Oregon.
Base SEATTLE(00033)

POSTED

1 day ago

DEADLINE

in 4 days

AI Contract Overview

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The contract involves earthwork services encompassing excavation, backfill, compaction, and grading necessary to prepare a site for foundation and utility installations. It is designated as a subcontract under the title "Excavation and Site Grading," and is managed by the County of Riverside in California. The work aligns with NAICS code 237990, which covers site preparation services. The solicitation was posted on June 16, 2026, with a response deadline set for July 15, 2026, at 8:30 PM. Although specific details about the exact location and agency office address are not provided, the contract opportunity is publicly accessible for bid review through the County of Riverside’s procurement platform. This project focuses on foundational site development critical for further construction activities.

General Info

Subcontract for earthwork, excavation, grading in Riverside County, California, bid deadline July 15, 2026.

Agency

California → County of RiversideView 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 PKARC-285.

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

View the prime solicitation

PKARC-285 Strategic Communications, Public Relations, and Community Engagement Consulting Services

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → County of Riverside
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → County of Riverside
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

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Earthwork including excavation, backfill, compaction, and grading to prepare site for foundation and utilities.

More opportunities from California → County of Riverside

Same awarding agency

NAICS: 561621
SLED
TWO (2) SOLAR-POWERED ALL TERRAIN SURVEILLANCE TRAILER FOR BADLANDS and LAMB CANYON COMMERICAL PAD
Solicitation # WMARC-494
The County of Riverside, on behalf of the Department of Waste Resources, is soliciting quotations for the one-time purchase and delivery of two solar-powered Sentry All-Terrain surveillance trailers, specifically manufactured by Backstreet Surveillance or an approved equal. These units are intended for use at the Badlands and Lamb Canyon commercial pads. Each trailer must feature an 18-foot manual hand-crank deployable tilt-up mast and include the installation of specific RCDWR-furnished equipment, consisting of two Uniview PTZ cameras, one Uniview network video recorder, and one Pepwave cellular modem. All electrical components must be housed in weatherproof and dustproof NEMA rated enclosures. Quotations must be submitted electronically via PublicPurchase.com by September 23, 2026, at 1:30 PM Pacific Time. A complete submission packet requires completed Exhibits A and B, an Acord Form proving General Provisions, Workers Compensation, General Liability, and Vehicle Liability insurance, Secretary of State registration for California business eligibility, a current business license, and a SAM.gov printout verifying the bidder is not on the Excluded Parties Listing System. The County will evaluate quotes based on appropriate criteria and is not bound to accept the lowest offer. Payment will be issued upon the successful installation and testing of the equipment to the County's satisfaction. Preference programs are available for local, small, and veteran-owned businesses.
Security Systems Services (except Locksmiths)

POSTED

10 days ago

DEADLINE

in 11 days
View Details
NAICS: 423910
SLED
FITNESS EQUIPMENT
Solicitation # SHARC-652
The County of Riverside is seeking quotations under RFQ SHARC-652 to establish a contract for the purchase of fitness equipment on an as-needed basis for the Riverside County Sheriff's Office. The agreement consists of an initial one-year term with the option to renew for four additional 12-month periods, potentially extending the total period of performance through October 31, 2031. The contract will be awarded to the lowest, most responsible, and responsive bidder, though the County may consider other factors such as product acceptability, delivery dates, and prompt payment discounts. The selected vendor must provide white glove delivery services, which include professional installation, calibration of machinery, and the complete removal and disposal of all packaging materials. All deliveries are F.O.B. Destination and must be coordinated at least 72 hours in advance. Personnel must adhere to strict security protocols, including providing government-issued identification and following escort requirements at Sheriff's Office facilities. Required submission documents include the product cost sheet, instructions to bidders, and applicable affidavits for local, veteran, or small businesses. Invoicing is conducted monthly in arrears, with payment issued within 30 working days following the acceptance of goods and services.
Sporting and Recreational Goods and Supplies Merchant Wholesalers

POSTED

11 days ago

DEADLINE

in 3 days
View Details
NAICS: 811310
SLED
UNINTERRUPTIBLE POWER SUPPLY MAINTENANCE & SERVICES
Solicitation # SHARC-00654
The County of Riverside is soliciting quotations under solicitation SHARC-00654 for Uninterruptible Power Supply (UPS) maintenance and services to support the Riverside Sheriff’s Office. The selected contractor will provide all labor, tools, and materials for scheduled quarterly and annual preventative maintenance, as well as as-needed repair services across multiple facilities in Blythe, Indio, Riverside, and Palm Desert. Due to the critical nature of public safety communications, the County maintains priority for all necessary equipment and technicians. The contract is for an initial one-year term with the option to renew for up to four additional one-year periods, extending the potential period of performance through December 31, 2031. Bidders must submit their quotations via PublicPurchase.com by September 24, 2026, at 1:30 PM Pacific Time. The award will be based on the most advantageous offer to the County, and while the lowest bid is considered, the County is not legally bound to accept it. Requirements for submission include a completed pricing exhibit, proof of insurance, Secretary of State registration, and a current business license. Preference programs are available for local, small, and veteran-owned businesses, offering a 5% price preference or match. Compliance requirements are stringent, as the work is classified as a public works project subject to California Labor Codes 1771 and 1720, requiring prevailing wage compliance and current DIR registration. Because services are performed at secure or restricted facilities, contractors and their staff must undergo background checks and adhere to federal, tribal, and land-management access guidelines. The contractor is also required to provide written reports of findings within ten working days of work completion and must maintain various insurance coverages, including professional and cyber liability.
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

POSTED

11 days ago

DEADLINE

in 12 days
View Details

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