W9127N25C0005
Definitive Contract
Overview
Government Description
Mobilization and demobilization. The contractor will furnish a suitable hopper dredge and support equipment to perform all work required to remove specified materials from designated dredging pay areas at humboldt bay (HUM), Mouth of The Columbia River (MCR), Lower Columbia River (LCR), and coos bay (COO). Tasks include routine maintenance dredging of approximately 3.2 million cubic yards at HUM, LCR, and MCR, with optional dredging at COO for approximately 1.45 million cubic yards, as well as water quality monitoring in accordance with current water quality certificates. Additional work includes ocean placement, pre- and post-dredge surveys, and maintenance activities across the designated sites.
Awardee
Awarding Agency
Funding Agency
Place of Performance
Portland, OR 97217 United States
Pricing
Fixed Price
Set Aside
None
Extent Competed
Full And Open Competition
Related Opportunity
Analysis Notes
Recompete The following similar solicitation(s) may continue aspects of this contract: West Coast Hopper Maintenance Dredging 2026, West Coast Hopper Maintenance Dredging 2026
Subcontracting Plan This Definitive Contract has an Individual Subcontract Plan. The Department of Defense has an overall small business subcontracting goal of 30%
Unrealized Backlog This Definitive Contract is complete with $3,750,000 of unfunded backlog unused.
Subcontracting Plan This Definitive Contract has an Individual Subcontract Plan. The Department of Defense has an overall small business subcontracting goal of 30%
Unrealized Backlog This Definitive Contract is complete with $3,750,000 of unfunded backlog unused.
Manson Construction Co was awarded
Definitive Contract W9127N25C0005 (W9127N-25-C-0005)
worth up to $33,654,165
by the U.S. Army Corps of Engineers
in April 2025.
The contract
has a duration of 8 months and
was awarded
through solicitation West Coast Hopper Maintenance Dredging 2025
full & open
with
NAICS 237990 and
PSC Y1KF
via sealed bid acquisition procedures with 1 bid received.
As of today, the Definitive Contract has a total reported backlog of $3,750,000, though the contract is closed, so backlog may not be realized.
DOD Announcements
Mar 2025:
Manson Construction Co., Seattle, Washington, was awarded a $26,258,750 firm-fixed-price contract for maintenance dredging. Bids were solicited via the internet with one received. Work will be performed in Portland, Oregon, with an estimated completion date of Dec. 15, 2025. Fiscal 2025 civil operation and maintenance funds in the amount of $26,258,750 were obligated at the time of the award. U.S. Army Corps of Engineers, Portland, Oregon, is the contracting activity (W9127N-25-C-0005).
Status
(Closed)
Last Modified 12/9/25
Period of Performance
4/1/25
Start Date
12/15/25
Current End Date
12/15/25
Potential End Date
Obligations and Backlog
$29.9M
Total Obligated
$29.9M
Current Award
$33.7M
Potential Award
$0.0
Funded Backlog
$3.8M
Total Backlog
Award Hierarchy
Definitive Contract
W9127N25C0005
Subcontracts
Activity Timeline
Opportunity Lifecycle
Procurement history for W9127N25C0005
Transaction History
Modifications to W9127N25C0005
People
Suggested agency contacts for W9127N25C0005
Competition
Number of Bidders
1
Solicitation Procedures
Sealed Bid
Evaluated Preference
None
Commercial Item Acquisition
Commercial Item Procedures Not Used
Simplified Procedures for Commercial Items
No
Other Categorizations
Subcontracting Plan
Individual Subcontract Plan
Cost Accounting Standards
Exempt
Business Size Determination
Large Business
Defense Program
None
DoD Claimant Code
None
IT Commercial Item Category
Not Applicable
Awardee UEI
UJGKNVYG6UZ3
Awardee CAGE
0FCP9
Agency Detail
Awarding Office
W9127N W071 ENDIST PORTLAND
Funding Office
960102
Created By
brandon.m.lasich@usace.army.mil
Last Modified By
brandon.m.lasich@usace.army.mil
Approved By
brandon.m.lasich@usace.army.mil
Legislative
Legislative Mandates
Construction Wage Rate Requirements
Performance District
OR-03
Senators
Jeff Merkley
Ron Wyden
Ron Wyden
Representative
Earl Blumenauer
Modified: 12/9/25