Project record

Dunkirk Harbor west breakwater rehabilitation

Aerial view along Dunkirk Harbor's west breakwater and entrance channel on Lake Erie in August 2022

U.S. Army Corps of Engineers, Buffalo District; pre-repair context from August 2022, not construction progress

USACE Buffalo District is repairing Dunkirk Harbor's west breakwater with stone reinforcement and a higher crest. Its June 2026 release says about 1,850 feet were repaired in the first phase and the remaining 450 feet are now under way through November. The same release gives two different values for that second phase, leaving its price unresolved and no programme total stated.

Project signal

Construction in United States

Use the published lengths to follow physical progress, but keep each cost with the source and sentence that reported it. The June 2026 release states both USD 4.5 million and USD 1.9 million for the second phase; the 2024 award also carries a different first-package length and value. None of those figures should be combined until USACE reconciles the contract record.

Current status USACE reports the first phase nearing completion and a 450-foot second phase continuing through November 2026 Source confidence Confirmed

Location

United States / Americas

Segment

Port infrastructure

Status

USACE reports the first phase nearing completion and a 450-foot second phase continuing through November 2026 / Confirmed

Evidence reviewed

18 July 2026

Controlled taxonomy

Related sectors

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Knowledge context

Related knowledge topics

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Project anatomy

Scope, counterparties, and execution logic

Client / authority
U.S. Army Corps of Engineers, Buffalo District
Delivery parties
Great Lakes Dock & Materials, LLC (2024 award), Second-phase contractor not identified
Contract route
Fully federally funded phased breakwater rehabilitation. A June 2024 award went to Great Lakes Dock & Materials; the reviewed 2026 release does not identify the second-phase contractor or reconcile its published cost figures.
Execution window
The 2024 award was planned over two construction seasons. USACE now reports the first phase nearing completion and the 450-foot second phase running through November 2026.
Works package
The current release reports approximately 1,850 feet repaired in phase one and another 450 feet in phase two, using stone reinforcement and a raised crest. Its attached map labels the outer breakwater as 2,812 linear feet and marks a separate reach outside the current scope. The 2024 award had described approximately 1,450 feet of lake-side overlay plus a wrap around the east head, and a package reconciliation is not published.
Marine interfaces
Armourstone handling and placement on an exposed Lake Erie breakwater beside an operating federal harbor entrance, with work-platform access, crest elevation changes and navigation separation around the marine plant
Commercial read
The physical update is clear, but the published prices conflict. The June 2026 release calls the first phase a USD 9.1 million contract, describes the second phase as USD 4.5 million in a project bullet and USD 1.9 million in the narrative, while the 2024 award was USD 7.56 million. Report those as unresolved source figures, not as a total or a change order sequence.
Next milestone
USACE clarification of the phase-two contract and cost, followed by accepted first-phase limits and measured completion of the remaining 450 feet

Material change register

What changed, when, and what it proves

Only source-bound events that alter phase, scope, counterparties, delivery, completion, commissioning, or acceptance are listed. A change can advance the record without proving the next gate.

USACE put the remaining 450 feet into a second repair phase

The district says approximately 1,850 feet are nearing completion and the last 450 feet will run through November 2026. The same release gives two different phase-two cost figures, USD 4.5 million and USD 1.9 million, which remain unresolved.

Read controlling source

USACE recorded active stone-handling operations

Buffalo District video shows marine plant and a long-reach material handler working on the Dunkirk breakwater. It confirms construction activity in August 2025 but does not establish production quantities, accepted length or the later second-phase start.

Read controlling source

USACE awarded the original repair contract

The USD 7.56 million Great Lakes Dock & Materials award covered approximately 1,450 feet of lake-side stone overlay and an east-head wrap over two construction seasons. Its limits and value are not directly reconciled to the 2026 phase figures.

Read controlling source

Delivery watch

Evidence needed next

USACE clarification of the phase-two contract and cost, followed by accepted first-phase limits and measured completion of the remaining 450 feet

Decision watchpoints

  • Inspection and acceptance of the approximately 1,850-foot first phase
  • Named contractor and executed value for the remaining 450-foot phase
  • USACE clarification of the USD 4.5 million and USD 1.9 million second-phase figures
  • Stone delivery, placement and crest-raising progress by repair reach
  • Navigation controls around marine plant and the harbor entrance
  • Completion, survey and acceptance evidence against the November 2026 target
  • Treatment of the phase-map reach marked outside the current repair scope

Project availability status

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Record control

Evidence reviewed date is not a project-event date.

IMWO changes phase, participants, scope, completion, or acceptance wording only when a dated source establishes the change. The review date records when the evidence set was checked; it does not claim that physical work changed on that date.

Evidence reviewed 18 July 2026 Sources in this record 4

Source record

The 30 June 2026 USACE release controls current construction status, the reported 1,850-foot first phase, remaining 450-foot second phase, stone and crest work, November target and no expected navigation impact. That release contains an internal cost conflict: USD 4.5 million in a project bullet and USD 1.9 million in the narrative for phase two. It also describes phase one as USD 9.1 million. The 22 July 2024 award release instead records USD 7.56 million, Great Lakes Dock & Materials and approximately 1,450 feet plus an east-head wrap. The records do not explain whether later figures include added reaches, modifications or different package boundaries, so no reconciliation is assumed. The official phase map labels the full outer breakwater at 2,812 linear feet and shows a reach outside the current repair scope. The August 2025 video confirms field operations but not 2026 second-phase mobilisation, quantity or acceptance.

Phase: construction. Evidence reviewed: 18 July 2026.

Project sources 4