Lock Subcontractors Sue for $224,000 in Unpaid Wages
Subcontractors face financial loss after the prime contractor’s termination, forcing them to seek payment via litigation.
Updated on Oct. 28, 2026 in Construction
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Two subcontractors have filed lawsuits against Shimmick Construction Company and other entities seeking over $224,000 in unpaid wages for work at the Chickamauga Lock site. The legal action follows the May 2026 termination of the project's prime contractor by the U.S. Army Corps of Engineers.
Why it matters
The dispute highlights the financial risks subcontractors face in complex public works projects when prime contractor relations collapse. With stop-work orders now in place, these companies are left navigating contract breaches and payment bond recoveries for completed site work.
Two subcontractors are seeking a combined $224,000 in unpaid wages, with individual claims of $129,000 and $94,000 respectively. One firm further alleges that an intermediate contractor withheld $63,000 in approved payments, complicating the outstanding balances.
The players
Shimmick Construction Company
A heavy civil infrastructure firm that served as the prime contractor for the Chickamauga Lock replacement.
U.S. Army Corps of Engineers
A federal agency that manages major water infrastructure projects and provides federal oversight for lock construction.
Damron Plumbing
A subcontractor that performed work at the lock site and is currently seeking $129,000 in unpaid wages.
Logan Moore, LLC
A subcontractor that alleges it is owed $94,000 for work completed on the project.
Southern Spear Ironworks
An intermediate contractor involved in the project that is named in the subcontractors' lawsuits.
The details
Damron Plumbing and Logan Moore, LLC claim they completed work on the Chickamauga Lock project that remains unpaid despite contractual obligations. Following the May 8, 2026 termination of prime contractor Shimmick Construction Company, subcontractors received stop-work orders, effectively freezing their ability to recoup losses through project revenue. The lawsuits now target a network of firms and insurance providers under claims of breach of contract and unjust enrichment.
Timeline
2003: Congress authorized the Chickamauga Lock replacement project.
Late 2025: Logan Moore reports last payment received.
May 8, 2026: The U.S. Army Corps of Engineers terminated Shimmick Construction Company.
May 13, 2026: Subcontractors received stop-work orders.
October 2026: Congressman Fleischmann stated the project is well funded.
Market Landscape
The dispute marks a significant departure from the long-term project timeline originally authorized by Congress in 2003. It follows a pattern of heightened fiscal and operational scrutiny applied to major infrastructure developments that experience prime contractor failure.
Operators in the construction sector should review their payment bond protections and sub-tier contract clauses to mitigate risk during prime contractor transitions. Proactively documenting work completion is essential when dealing with multi-party payment disputes and insolvency-related project halts.
The takeaway
Subcontractors must verify payment chains early and ensure they have a clear path to claim against payment bonds when prime contractors falter. Monitor project site progress and local legislative updates to gauge when operations may resume at the lock.
Further reading
For more on industry oversight and labor disputes, visit Construction.
Source note: This article includes information reported by Local3News.
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