Pre-solicitationPosted Oct 16, 2026·Responses due Nov 20, 2026

Construct Interim Remedial Action (IRA) for the Nelson Tunnel Superfund Site

Army Corps of Engineers · W071 ENDIST OMAHA

Stage
Early notice (sources sought, presolicitation or special notice)
NAICS
237990
Value
Not stated
Solicitation
W9128F27RA056
Set-aside
None stated
PSC
Y1LC
Place
Not stated
Contact
Not stated
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CSV Email

Capture briefs (a one-page, shareable copy of this page) are part of Pro. The CSV here holds the notice, its timeline and past awards.

Where this opportunity stands

Every notice posted under solicitation W9128F27RA056 in this department, oldest first.

Early notice
  • Oct 16, 2026 · this notice
    Pre-solicitation
Solicitation
None posted
Award
Not yet. Typical award: Jan 7, 2027 to Mar 6, 2027, middle of the range Feb 6, 2027.
Measured from 64 past early notices at Dept of the Army with NAICS 237990 that later posted an award (middle half of cases, counted from Oct 16, 2026).

Next steps for this stage

Standard steps for the notice type; not advice about this buyer.

  • Answer the notice: this is when the requirement can still be shaped.
  • Contact the contracting officer named on the notice.
  • Check who won similar work; they are the likely bidders.

What the notice says

This is a pre-solicitation notice. This is not a solicitation and any offers received as a result of this pre-solicitation notice will not be accepted or evaluated. USACE Omaha District intends to issue Request for Proposal (RFP) solicitation W9128F27RA056 for the following action in November 2026 with the planned proposal due date in January 2027. ***PLEASE REFERENCE THE SITE VISIT INSTRUCTIONS IN THE ATTACHED DOCUMENT AND RESPOND NO LATER THAN THE DATE SHOWN. Project Title: Construct Interim Remedial Action (IRA) for the Nelson Tunnel Superfund Site Project Location: One mile north of the to… (show all)

wn of Creede in Mineral County, Colorado NAICS Code: 237990 - Other Heavy and Civil Engineering Construction PSC Code: Y1LC - Construction of Tunnels and Subsurface Structures Set-Asides: This solicitation will be issued unrestricted; both small and large businesses are encouraged to participate. Synopsis of Project: Construction Services for the Nelson Tunnel/Commodore Waste Rock Site (Nelson Tunnel Site or Site), the focus of the interim remedial action (IRA), consists of an abandoned underground hard rock mine and drainage tunnel with several shafts, crosscuts and drafts branching off the main tunnel. The remedial action objective of the RA is to reduce the likelihood of a large, uncontrolled release of mine-impacted water from mine pools impounded within the Nelson Tunnel. The selected alternative for the Nelson Tunnel Interim Record of Decision (IROD) is to construct a bypass adit that connects into Nelson Tunnel at a sufficient distance from the surface to allow for installation of a flow-through hydraulic bulkhead within Nelson Tunnel. The IROD selected remedy is Alternative 4, Drive New Adit to Intersect Nelson Tunnel, Tunnel Rehabilitation, Install Bulkhead in Nelson Tunnel and Flow Control Structure in Commodore 5 level and include the following remedial components. 1. Installation of a new adit south of Nelson Tunnel, to bypass the Nelson Tunnel Portal Pool. 2. Rehabilitation of Nelson Tunnel from the bypass adit connection to the location where bulkhead construction is planned. 3. Installation of a flow control bulkhead in Nelson Tunnel to protect against a sudden uncontrolled release through Nelson Tunnel.4. Installation of an accessible bulkhead flow control structure in the Commodore 5 level to protect against a sudden uncontrolled release through this level. Additional Information can be found at the following EPA website provided in the attachment.

Who won similar work

485 award notices on SAM.gov in the last 24 months. Matched by: Same agency (Army Corps of Engineers), same NAICS 237990.

Single-winner award sizes (461): middle half $3.3M to $27.6M, median $9.0M; range $12K to $1.1B.

WinnerAwardsValueLast
GREAT LAKES DREDGE & DOCK CO, LLC18$454.3M + 2 sharedSep 28, 2026
CURTIN MARITIME CORP16$185.2MSep 29, 2026
WEEKS MARINE, INC.15$445.7M + 2 sharedSep 28, 2026
MANSON CONSTRUCTION CO Seattle WA 98134 USA13$198.4M + 2 sharedSep 14, 2026
THE DUTRA GROUP San Rafael CA 94901 USA10$169.6M + 1 sharedSep 25, 2026
COTTRELL CONTRACTING CORPORATION10$145.9MSep 23, 2026
INLAND DREDGING COMPANY9$117.9M + 1 sharedAug 24, 2026
KING CO INC8$184.4M + 1 sharedApr 16, 2026
MORRISH-WALLACE CONSTRUCTION, INC.7$214.9MMar 13, 2026
HME CONSTRUCTION INC7$43.4MJul 31, 2026

Value counts single-winner awards. "Shared" awards are multiple-award contracts that list every winner with the same total ceiling; that ceiling is not one company's win, so it is not added in. Revenue next to a ticker is the company's last annual revenue from its 10-K.

Latest awards

Competitive landscape

For the 8 most frequent past winners above. Lobbying is matched by the company's exact name or exact ticker; agencies are as named on the filings.

  • 0 of these past winners lobbied Army, Dept of (Corps of Engineers) or Army, Dept of (Other) or Natl Guard since 2024 (0 filings)
  • 0 of their lobbyists list a past Army, Dept of (Corps of Engineers) or Army, Dept of (Other) or Natl Guard job
  • No corporate PAC money from them to the overseeing committees since 2024
  • 0 foreign-agent (FARA) registrations
See who and the source records with Pro

Policy around it

Bills the past winners named while lobbying this agency's issues, rules from the department, and executive orders that name the agency, last 12 months.

  • 0 bills named on the past winners' lobbying filings
  • 32 rules from the department in the last 12 months
  • 0 executive orders naming the agency in the last 12 months
See who and the source records with Pro

Market

For past winners matched exactly to a listed company. Insider trades are open-market buys and sells (Form 4) in the last 90 days, shown as facts; our own study found insiders do not reliably buy ahead of awards. A sale marked 10b5-1 was made under a trading plan set up in advance.

  • 0 of the past winners are listed companies
  • 0 insider buys and 0 insider sells at them in the last 90 days
See who and the source records with Pro

Sources: SAM.gov notices and award notices; Senate LDA lobbying filings; FEC filings; FARA; Federal Register; congress.gov; SEC Form 4. Every row above links to its record.

Companies are matched to tickers by exact name only. A company we could not match shows no market rows; that is a miss, not a finding.