Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, September 16 at 2:00 PM EDT

Register Free →

This Government Contract opportunity from California was posted on May 4, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Erosion and Sediment Control Services

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: 541620
New
Federal
B--ONYX RANCH SVRA PROJECT
Solicitation # 140G0326Q0218
Solicitation 140G0326Q0218 is a request for quotation from the Department of the Interior for advanced statistical modeling and assistance for the Onyx Ranch State Vehicle Recreation Area. The project requires a contractor to analyze a 289-hectare dataset to identify critical issues and map occurrences of invasive species, fire-prone grasses, and protected species, including the desert tortoise and western Joshua trees. Key deliverables include publication-quality figures, distribution maps, and statistical models developed using ArcGIS and various advanced methodologies such as general linear mixed effects models and k-means clustering. The estimated period of performance is from October 1, 2026, to February 28, 2027, with work performed at the vendor's facility. The award will be based on a tradeoff method, requiring contractors to demonstrate advanced statistical expertise through peer-reviewed publications from the last 15 years and proficiency in complex spatial and non-parametric analysis. Required submission documents include a signed SF 18 form, a firm fixed-price quote, a technical submission detailing qualifications, a list of prior relevant contracts with references, and a SAM UEI. Initial drafts of specific tasks are due within 60 days of award, with model drafts due within 90 days. All deliverables become government property, and invoicing must be submitted based on hourly rates and hours worked. Responses are due to the contracting officer by September 17, 2026, at 1500 PST.
Office Of Acquisiton Grants

POSTED

about 16 hours ago

DEADLINE

in 6 days

AI Contract Overview

Show more

The contract titled Erosion and Sediment Control Services calls for the installation and ongoing maintenance of erosion control measures such as silt fences, sediment basins, and hydroseeding to ensure compliance with CEQA and Caltrans standards. These activities are critical to preventing soil erosion and sediment runoff during construction or land disturbance projects in the Siskiyou area, and the work must meet strict environmental and transportation regulatory requirements. The contract is classified as a subcontract under NAICS code 541620 and is issued by the California Department of Transportation, with responses due by May 28, 2026. All work is expected to be performed at the designated location in Siskiyou County, and contractors must be prepared to demonstrate technical expertise in environmental compliance, equipment deployment, and long-term maintenance routines.

General Info

Install and maintain erosion controls in Siskiyou County to meet Caltrans and CEQA standards.

Agency

California Department of TransportationView Agency

NAICS

541620 - Environmental Consulting ServicesView NAICS

Place of Performance

Siskiyou, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 02-1K8104.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Replace culverts.

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

Find active opportunities like this

Start your free trial to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

Show more
AgencyCalifornia Department of Transportation
ContactsNo contacts available
OfficeN/A
Organization / Agency
California Department of Transportation
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Installation and maintenance of erosion control measures including silt fences, sediment basins, and hydroseeding to comply with CEQA and Caltrans standards.

More opportunities from California Department of Transportation

Same awarding agency

NAICS: 237310
New
SLED
Sidewalk Replacement Services in Merced and Mariposa Counties.
Solicitation # 10A2938
The California Department of Transportation (Caltrans) issued solicitation IFPQ 10A2938 for sidewalk replacement services in Merced and Mariposa Counties. The project requires a certified Small Business (SB) or Disabled Veteran Business Enterprise (DVBE) to provide all labor, materials, and equipment necessary to remove and legally dispose of existing concrete sidewalks and install new, ADA-compliant replacements. Key technical requirements include achieving 95% subgrade compaction, applying a perpendicular broom finish, and adhering to specific clear width and tactile warning surface standards. The contract is estimated to commence on October 19, 2026, with a maximum bid cap of $484,000.00. Award will be granted to the responsible bidder offering the lowest price quote who meets all specifications. Eligible bidders must hold a valid C-8 or C-12 contractor license and maintain current DGS certification. Mandatory requirements include a site inspection on September 21, 2026, and a final quote submission deadline of October 1, 2026. The contract mandates prevailing wages for bids exceeding $15,000 and requires a payment bond for bids over $25,000. Invoicing is conducted monthly in arrears and requires the submission of certified payroll records for verification by the Caltrans Contract Manager.
Highway, Street, and Bridge Construction

POSTED

1 day ago

DEADLINE

in 20 days
View Details

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS