This Government Contract opportunity from Department Of Defense was posted on October 29, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Engineering Change Proposal (ECP) Services

Closed

Federal

Submission Closed12/01/2025, 10:00:00 PM UTC

Contract Overview

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

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NAICS: 541330

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On-Call Structural and Seismic/Disaster Engineering Services

Solicitation # FAS 2026-037

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Geotechnical Analysis and Stability ModelingThis subcontract for Geotechnical Analysis and Stability Modeling involves providing professional engineering analysis for prime contractors working on Upper Thames River Conservation Authority dam projects in Canada. The scope of work focuses on reviewing structural data and seepage at armour stone retaining walls, confirming embedment depths, and updating slope stability analyses utilizing the Slope/W model. The final deliverables for this engagement include comprehensive Geotechnical Reports and updated Slope/W models. To qualify for this contract, the service provider must hold a valid P.Eng license and ensure all work complies with the Ontario Accessibility Standards and the LRIA Technical Bulletin. Interested parties must submit their responses by November 18, 2026.

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R.T. Orr Dam Geotechnical Investigations

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Upper Thames River Conservation Authority

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Traffic Signal Installation Oversight and Quality AssuranceThe Traffic Signal Installation Oversight and Quality Assurance subcontract involves providing technical supervision and oversight for prime contractors working on regional signal synchronization projects for the City of Aliso Viejo. The selected provider will be responsible for conducting on-site field supervision to ensure that installation contractors adhere to approved plans, specifications, and estimates, as well as Caltrans signal installation standards. Key deliverables include the performance of post-construction walkthroughs and the submission of detailed installation compliance reports and walkthrough documentation. This project is located in Aliso Viejo, California, with a response deadline set for December 2, 2026.

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DEADLINE

Traffic Data Collection and Field Study ServicesThis subcontract for Traffic Data Collection and Field Study Services supports prime contractors on regional signal synchronization projects for the City of Aliso Viejo. The scope of work involves comprehensive traffic analysis, including seven-day 24-hour machine counts, intersection turning movement counts, and floating car studies utilizing GPS and synchronized video analysis. All operations must be conducted within Caltrans right-of-way in strict accordance with 2026 CTFP Guidelines, with final deliverables consisting of field review memos and summarized count data provided in Excel format. The project is located in Aliso Viejo, California, under NAICS code 541330. Interested parties should note that the solicitation was posted on October 28, 2026, with a response deadline set for December 2, 2026.

POSTED

DEADLINE

Oso Parkway/Pacific Park Drive/Glenwood Drive Regional Traffic Signal Synchronization Project

Solicitation # 20261026016

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POSTED

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DEADLINE

Buckhead CID Livable Centers Initiative Master Plan

Solicitation # 2026-10

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Buckhead Community Improvement District

POSTED

about 13 hours ago

DEADLINE

in 16 days

AI Contract Overview

This subcontract opportunity, titled Engineering Change Proposal (ECP) Services, is issued by the Department of Defense under agency W6QK Acc- Dta. The scope of work involves providing professional support for the evaluation, documentation, and implementation of Engineering Change Proposals related to the design or manufacturing process of the Howitzer mount, as directed by the government. The procurement is designated as a Total Small Business Set-Aside under NAICS code 541330. Interested parties must submit their responses by the deadline of December 1, 2025, following the posting date of October 29, 2025.

General Info

Agency

Department Of Defense → W6QK Acc- Dta

NAICS

541330 - Engineering Services

Place of Performance

Set-Aside

SBA

Documents

This scope was carved out of W912CH-25-Q-0104.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Solicitation, Mount Resilient Weapon, NSN: 5342-01-535-6283

AI Contract Breakdown

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Timeline

PhaseClosed

PostedOct 29

subcontract

Response DeadlineDec 1

Deadline has passed

Submission Closed

12/01/2025, 10:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → W6QK Acc- Dta

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W6QK Acc- Dta

Office AddressN/A

ContactsNo contact information available

Full Description

Support for evaluation, documentation, and implementation of Engineering Change Proposals (ECPs) to the Howitzer mount design or manufacturing process as directed by the government.

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Engineering Change Proposal (ECP) Services

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