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

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 28 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Specialized Geotechnical Laboratory Testing

Active

State & Local

Response Deadline10/29/2026, 11:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

This subcontract for Specialized Geotechnical Laboratory Testing supports prime contractors on dam safety projects for the City of Napa. The scope of work involves performing detailed laboratory analysis on soil and rock samples, specifically focusing on material characterization of foundation and embankment materials, including gravel lenses. Key technical requirements include conducting liquefaction potential analysis and shear strength testing using consolidation apparatus and triaxial shear testing equipment in strict accordance with ASTM standards. The selected provider will be responsible for delivering comprehensive laboratory test reports and data sheets to be integrated into DSOD Geotechnical Data Reports. This opportunity falls under NAICS code 541380 and is centered in the 94558 zip code area. Interested parties must submit their responses by the deadline of October 29, 2026.

General Info

Geotechnical laboratory testing for City of Napa dam safety projects due October 29, 2026.

Agency

California → City of Napa

NAICS

541380 - Testing Laboratories and Services

Place of Performance

CA, 94558, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-RFQL-054.

The full solicitation package (17 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Request For Qualifications - Conn Dam Stability Assessment, Spillway Improvements, And Feasibility Alternatives Study

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedOct 7

subcontract

Response DeadlineOct 29

Submission deadline

Response Deadline

10/29/2026, 11:00:00 PM UTCin 14 days

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyCalifornia → City of Napa

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Napa

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs laboratory analysis on soil and rock samples for prime contractors on City of Napa dam safety projects. Conducts shear strength testing, liquefaction potential analysis, and material characterization of embankment and foundation materials, including gravel lenses. Utilizes triaxial shear testing equipment and consolidation apparatus per ASTM standards. Delivers laboratory test reports and data sheets for DSOD Geotechnical Data Reports.

Similar Contracts

Same NAICS industry code

Quality Assurance & Certification Services

DLA WEAPONS SUPPORT ASC SUPPLIER OPER AE AND AF DIV

POSTED

about 10 hours ago

DEADLINE

Specialized Testing & Quality AssuranceThis subcontract for Specialized Testing and Quality Assurance involves performing First Article Testing and Production Lot Testing for prime contractors under DLA Troop Support supply contracts. The scope of work requires the execution of tests using tensile strength and load cell equipment in strict accordance with SOP-PHST-077C, QAP 14153 SQAP-FAT3, and SQAP-PLT3. Additionally, the provider is responsible for certifying Critical Application Items per TECH SPEC PHST-077C and delivering the corresponding Test Reports and Certifications of Conformance. The project is managed under NAICS code 541380 for the Department of Defense, with the place of performance located in New Cumberland, Pennsylvania. Interested parties should note the response deadline of October 26, 2026, for this specialized quality assurance requirement.

CONSTRUCTION & EQUIPMENT MANU & CON

POSTED

about 10 hours ago

DEADLINE

First Article Test (FAT) and Quality Validation Services

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 10 hours ago

DEADLINE

First Article Testing for Aircraft Universal JointsThis subcontract involves performing First Article Testing for aircraft universal joints on behalf of prime contractors for the DLA Weapons Support ASC Commodities Division. The scope of work requires the validation of one unit against Basic Drawing NR 98897 4C95010, utilizing certified Measuring and Test Equipment in accordance with requirement RT001. Due to the nature of the technical data involved, strict adherence to ITAR and EAR compliance is mandatory. The final deliverables include the tested unit and a comprehensive FAT validation report, both of which must be delivered to Robins AFB in Georgia. This project falls under NAICS code 541380 and is managed by the Department of Defense.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 10 hours ago

DEADLINE

Independent Testing and Inspection for Critical Safety ItemsThis subcontract, titled Independent Testing and Inspection for Critical Safety Items, involves providing independent verification, pressure testing, and quality inspection services for prime contractors on DLA Weapons Support ASC fuel system projects. The scope of work includes conducting sampling according to MIL-STD-1916 or ASQ H1331 and verifying bare item marking per RQ017, utilizing calibrated M&TE in accordance with RT001. The selected provider is responsible for delivering comprehensive inspection reports, pressure test results, and Certificates of Conformance. Managed by the Department of Defense under the DLA Weapons Support ASC Supplier Oper OEM Division, the performance of this contract will take place in Jacksonville, Florida. The opportunity is categorized under NAICS code 541380, with a response deadline set for October 23, 2026.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

POSTED

about 10 hours ago

DEADLINE

Quality Assurance and Inspection Services for Aviation ImpellersThis subcontract for Quality Assurance and Inspection Services for Aviation Impellers supports the DLA Weapons Support Aviation Supply Chain. The selected provider will perform independent quality testing and inspection for prime contractors, utilizing precision measurement tools and CMM to validate technical requirements. Key responsibilities include conducting sampling and inspection according to MIL-STD-1916 or ASQ H1331, verifying physical identification per RQ017, and delivering final inspection reports and Certificates of Conformance. The project is located in Cherry Point, North Carolina, and falls under NAICS code 541380. To be eligible, contractors must hold AS9100 or ISO 9001 certification. The solicitation was posted on October 15, 2026, with a response deadline of October 23, 2026.

DLA WEAPONS SUPPORT AVIATION SUPPLY CHAIN

POSTED

about 10 hours ago

DEADLINE

Aerospace Component Inspection and TestingThe Aerospace Component Inspection and Testing subcontract involves providing specialized inspection and testing services for prime contractors supporting DLA Weapons Support ASC projects. The scope of work focuses on dimensional verification and non-destructive testing of critical application items, utilizing advanced tools such as CMM and ultrasonic or X-ray equipment. The contractor is responsible for executing zero-based sampling plans in accordance with MIL-STD-1916 or ASQ H1331 standards, ensuring RT001 equipment compliance, and delivering all necessary inspection reports and certifications of conformance. This project is managed by the Department of Defense under the DLA Weapons Support ASC Supplier Oper AE and AF Div, with performance taking place at Tinker AFB. The opportunity falls under NAICS code 541380. Interested parties should note the response deadline of October 23, 2026.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER AE AND AF DIV

POSTED

about 10 hours ago

DEADLINE

Aerospace Component Testing and Quality AssuranceThe Aerospace Component Testing and Quality Assurance subcontract, issued by the Department of Defense under the DLA Weapons Support ASC Commodities Division, involves the independent testing, calibration, and quality certification of fluid-hydraulic pressure transducers. The selected provider will be responsible for verifying transducer accuracy and pressure ratings, ensuring compliance with FAA airworthiness standards, and validating Bare Item Marking per RQ046 using hydraulic pressure test benches. All work is to be performed at Tinker AFB, and the contractor must deliver comprehensive test reports and Certificates of Conformance. This opportunity is designated as a Total Small Business Set-Aside under NAICS code 541380. To be eligible, the contractor must possess ISO 9001:2015 certification and FAA-recognized certification capabilities. The solicitation was posted on October 15, 2026, with a response deadline of October 23, 2026.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 10 hours ago

DEADLINE

Magnetic Particle Inspection Services for Aerospace FastenersThis subcontract for Magnetic Particle Inspection Services for Aerospace Fasteners involves performing specialized inspections on sleeve nuts for prime contractors supporting DLA supply contracts. The work must be executed in accordance with ASTM E1444 standards using either portable or wet/dry bench MPI equipment, specifically following the requirements outlined in Drawing Page 3 Frame 2 Note 4. Performance will take place in New Cumberland, Pennsylvania. To ensure quality and compliance, the service provider must operate out of an ISO 9001 or AS9003 certified facility and employ inspectors who hold NAS 410 certification. The primary deliverables for this engagement include the delivery of passed components along with their corresponding certified inspection reports. This opportunity is managed under the Department of Defense through the DLA Weapons Support ASC Commodities Division.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 10 hours ago

DEADLINE

Product Verification Testing (PVT) ServicesThis subcontract for Product Verification Testing services supports prime contractors delivering to the DLA Weapons Support Land Supply Chain. The scope of work involves performing both destructive and non-destructive testing on Lever Assembly samples, strictly adhering to the requirements outlined in Procurement Note E05. The successful provider must deliver comprehensive PVT test reports and certified samples to ensure compliance with quality standards. Due to the technical nature of the requirements, the contractor must possess specialized material testing equipment and maintain active ITAR registration to access necessary technical data. This opportunity is categorized under NAICS code 541380 and is managed by the Department of Defense. Interested parties must submit their responses by October 30, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

about 10 hours ago

DEADLINE

Aerospace Component Quality Validation & TestingThis subcontract for Aerospace Component Quality Validation and Testing involves performing Production Lot Testing for prime contractors under the DLA Weapons Support ASC Commodities Division. The primary objective is to validate the quality conformance of aerospace rivets by testing random samples against Technical Data Package tolerances. The selected provider will be responsible for coordinating with Government Quality Assurance Representatives and delivering essential documentation, including test reports, material and process certifications, and DD Form 1423. The work is to be performed at Tinker AFB and requires the contractor to maintain ISO 9001:2015 and JCP certifications. This opportunity falls under NAICS code 541380, with a response deadline set for October 23, 2026.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 10 hours ago

DEADLINE

First Article Testing and Validation ServicesThis subcontract for First Article Testing and Validation Services supports prime contractors on DLA Weapons Support ASC aerospace projects. The selected provider will perform inspections and tests in accordance with MIL-STD-1916 or ASQ Z1.4 to validate manufacturing processes, utilizing certified measuring and test equipment per RT001. The primary deliverable for this engagement is a completed First Article Test Report. The work is performed at Robins Air Force Base and falls under NAICS code 541380. Due to the nature of the technical data involved, the contractor must maintain CMMC Level 2 certification. Interested parties must respond by October 23, 2026.

DLA WEAPONS SUPPORT ASC SUPPLIER OPER AE AND AF DIV

POSTED

about 10 hours ago

DEADLINE

More opportunities from California → City of Napa

Same awarding agency

Hot Mix Asphalt (HMA) SupplierThis subcontract agreement requires a supplier to manufacture and deliver 1/2 inch Type A Hot Mix Asphalt for prime contractors working on water facility and leak repair projects for the City of Napa. The selected supplier is responsible for the production and hauling of the material to designated project sites within Napa, California. To ensure quality and compliance, the supplier must submit approved mix designs for city review and provide original delivery tickets for every load. These tickets must explicitly detail the material type, binder type, oil content, and the specific mix design number used. Interested parties must respond by November 12, 2026.

Asphalt Paving Mixture and Block Manufacturing

POSTED

about 22 hours ago

DEADLINE

Specialized Tree Trimming and PruningThis subcontract for Specialized Tree Trimming and Pruning involves providing pruning and clearing services for prime contractors working on City of Napa water facility and leak repair projects. The scope of work includes pruning low limbs and performing clearing and grubbing to ensure proper access for paving equipment, with the ultimate goal of delivering cleared access paths. Qualified bidders must hold a valid C-61 Limited Specialty (D-49 Tree Service) license and ensure all work complies with ANSI Z133.1-2006 and ANSI A300-Part 1-2001 standards. Additionally, all personnel must be qualified to work safely near electrical hazards. The response deadline for this opportunity is November 12, 2026, for work performed in Napa, California.

Landscaping Services

POSTED

about 22 hours ago

DEADLINE

Traffic Control and Thermoplastic StripingThis subcontract for the City of Napa focuses on providing comprehensive traffic management and permanent pavement delineation for water facility and leak repair projects. The scope of work includes implementing lane closures, managing pedestrian control, and handling the installation of construction area signage and resident notifications to ensure safe work zone management for prime contractors. Additionally, the contractor is responsible for installing thermoplastic pavement markings, such as centerlines, lanelines, crosswalks, and legends, in strict accordance with Caltrans guidelines and CA MUTCD Section 6D.101(CA). The project is located in Napa, California, with a response deadline set for November 12, 2026.

All Other Specialty Trade Contractors

POSTED

about 22 hours ago

DEADLINE

Asphalt Milling and Paving ServicesThis subcontract for Asphalt Milling and Paving Services involves providing specialized paving support for prime contractors on City of Napa water facility and leak repair projects. The scope of work includes cold planing two inches of asphalt concrete, installing a two-inch overlay paving using 1/2 inch Type A Hot Mix Asphalt, and executing T-cut trench restorations at depths of three and five inches. All work must be performed using appropriate cold planing machinery and meet quality acceptance standards as defined by California Test 375 and 308 Method A. The project is located in Napa, California, under NAICS code 237310. Interested parties must submit their responses by the deadline of November 12, 2026. The final deliverable for this engagement is the completion of high-quality paved surfaces that adhere to the specified technical requirements.

Highway, Street, and Bridge Construction

POSTED

about 22 hours ago

DEADLINE

Paving For Water Facilities And Leak Repairs 2026-1

Solicitation # 2026-IFB - PC-050

The City of Napa is soliciting bids for project 2026-IFB - PC-050, which involves isolated pavement base repairs and water facility leak repairs throughout the city. The scope of work includes approximately 20,000 square feet of base repairs (T-Cuts) and 13,000 square feet of two-inch mill and fill, utilizing 1/2 inch Type A Hot Mix Asphalt. Additional requirements include traffic control, thermoplastic pavement markings compliant with MUTCD and Caltrans guidelines, utility iron adjustments, and specialized tree trimming performed by a C-61 licensed contractor. The project must be completed within 45 working days from the Notice to Proceed, with quality acceptance based on nuclear density testing per California Test 375. The contract will be awarded to the lowest responsible bidder who possesses the required California contractor licenses and obtains a City business license within ten days of the award. Bidders must provide bid security equal to 10% of the maximum bid amount, and the successful awardee must provide performance and payment bonds for 100% of the contract price. All work is subject to California prevailing wage requirements. Payment is processed via monthly itemized applications for payment, with undisputed amounts paid within 30 days. Submissions must be provided in PDF format via OpenGov, including a subcontractor list and non-collusion declaration, following specific file naming conventions that include the bidder's DIR registration number.

Highway, Street, and Bridge Construction

POSTED

about 22 hours ago

DEADLINE

Spillway Hydrologic and Hydraulic AnalysisThis subcontract for the City of Napa involves providing specialized hydraulic modeling services for dam safety projects. The selected contractor will support prime contractors by conducting watershed hydrologic evaluations, calculating Probable Maximum Flood levels, and performing spillway capacity analyses to identify structural deficiencies and propose rehabilitation alternatives. All work must be completed using HEC-RAS software in strict accordance with current PMF design criteria and DSOD standards, culminating in a detailed hydraulic analysis report. The opportunity is categorized under NAICS code 541330 and is focused on performance within the 94558 zip code area. Interested parties must submit their responses by the deadline of October 29, 2026.

Engineering Services

POSTED

DEADLINE

Specialized Dam Safety and Seismic Engineering AnalysisThis subcontract for Specialized Dam Safety and Seismic Engineering Analysis supports prime contractors on dam safety projects for the City of Napa. The scope of work involves performing complex numerical modeling and stability evaluations, including static and seismic slope stability, permanent deformation, pseudo-static, and Newmark displacement analyses, as well as internal erosion evaluations. All work must adhere to DSOD safety standards and PMF design criteria, utilizing industry-standard software such as SLOPE/W, PLAXIS, or FLAC to produce detailed stability analysis reports and deformation estimates. The opportunity is categorized under NAICS code 541330 and is based in Napa, California. Interested parties must submit their responses by the deadline of October 29, 2026.

Engineering Services

POSTED

DEADLINE

Geotechnical Drilling and Field Exploration ServicesThis subcontract for Geotechnical Drilling and Field Exploration Services involves performing subsurface exploration for prime contractors on dam safety projects for the City of Napa. The scope of work includes executing exploratory borings, Cone Penetration Testing, and the excavation of test pits to characterize dam foundations and embankments. Additionally, the contractor is responsible for installing monitoring wells and vibrating wire piezometers using specialized drill rigs capable of embankment penetration, all while adhering to DSOD guidance. The selected provider will deliver essential field logs, boring samples, and installed instrumentation. This opportunity falls under NAICS code 238910 and is located in zip code 94558. The solicitation was posted on October 7, 2026, with a response deadline of October 29, 2026.

Site Preparation Contractors

POSTED

DEADLINE

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

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

Join 750+ contractors already using CLEATUS