Award notice, first published as sources sought
Stoplog Slot Construction Ouachita River, Thatcher Lock and Dam, Calion, Arkansas
W912EE25BA009
Department of the Army, W07V Endist Vicksburg. Other Heavy and Civil Engineering Construction.
Awarded
Underwater Mechanix Services LLC
$5,791,179.00 on the award notice, September 15, 2025, contract W912EE25CA014
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This one was awarded in 2025
132 like it are open now in other heavy and civil engineering construction
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Combined synopsis and solicitationSmall businessNAICS 237990Colorado140L1726R0010Closes tomorrowNov 2
All 132 open in other heavy and civil engineering construction
Description
As published on SAM.gov.
*15 Sep 2025 - Stoplog Slot Construction Ouachita River Thatcher Lock and Dam Calion, Arkansas, has been awarded on today.
Attachments
Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.
- B.08.Solicitation - W912EE25BA009.pdf3.1 MB, July 24, 2025
The contract, on USAspending
Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.
- Recipient
- Underwater Mechanix Services LLC
- UEI
- WXBKMQ8RLLB5
- CAGE
- 68VJ5
- Vendor location
- Jacksonville, FL
- Contract
- W912EE25CA014, definitive contract
- Obligated
- $5,791,179.00
- Actions
- 1 between September 15, 2025 and September 15, 2025
- Competition
- Full and Open Competition, 5 offers received
- Set-aside reported
- No Set Aside Used.
- Described as
- The Work Consists of Furnishing All Plant, Labor, Materials, and Equipment, for Mobilization and Demobilization Cofferdams and Dewatering Construction of the New Stoplog Slots and Associated Work.
- Match
- award number W912EE25CA014 equals the contract number; same awarding office W912EE (high confidence)
- Record
- USAspending award page
Publications
Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.
June 6, 2025
Sources sought
Due June 16, 2025 at 3:00 PM EDT. SAM.gov, notice 122655213d2d4d029cff26c384b36a34
July 9, 2025
Presolicitation, originally sources sought
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice 44589c22e1774ed492b6a8a26866cc46
July 24, 2025
Solicitation, originally sources sought
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice dfbf0fe44bed4c5ab1302c0bef8ae242
August 5, 2025
Solicitation
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice edf16611ddd64837ad4035b9dc750a43
August 8, 2025
Solicitation
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice dc4008114c574a10bc9a33b5a950eb56
August 8, 2025
Solicitation
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice e479f73ebf7546a1a823d83be7e255cb
August 12, 2025
Solicitation
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice c28e08e5ed9743a3b1340ae144675e36
August 15, 2025
Solicitation
Due August 27, 2025 at 3:00 PM EDT. SAM.gov, notice 2b002a3e24134b3081e02c103873e7f1
August 20, 2025
Solicitation
Due September 4, 2025 at 3:00 PM EDT. SAM.gov, notice 10f456513a35428198ed36508dc7613e
August 26, 2025
Solicitation
Due September 4, 2025 at 3:00 PM EDT. SAM.gov, notice 95b16449454749a3b9365566ba4fb662
August 27, 2025
Solicitation
Due September 4, 2025 at 3:00 PM EDT. SAM.gov, notice 2e0329a5e09f4569ab9c60bbee0115eb
August 29, 2025
Solicitation
Due September 4, 2025 at 3:00 PM EDT. SAM.gov, notice 83c472f97987452bb1155a328a85cbd2
September 4, 2025
Solicitation
Due September 4, 2025 at 3:00 PM EDT. SAM.gov, notice a2f4315882bb4738be1bf106abadfe71
13 revisions on SAM
- September 15, 2025: publish, award notice
- September 4, 2025: publish, solicitation
- August 29, 2025: publish, solicitation
- August 27, 2025: publish, solicitation
- August 26, 2025: publish, solicitation
- August 20, 2025: publish, solicitation
- August 15, 2025: publish, solicitation
- August 12, 2025: publish, solicitation
- August 8, 2025: publish, solicitation
- August 8, 2025: publish, solicitation
- August 5, 2025: publish, solicitation
- July 24, 2025: publish, solicitation
- June 6, 2025: publish, sources sought
September 15, 2025
Award notice, originally solicitation
Awarded to Underwater Mechanix Services LLC for $5,791,179. SAM.gov, notice 9b8ad06ba2af450cbe96309de01ff7b7
2 revisions on SAM
- September 15, 2025: publish, award notice
- September 4, 2025: publish, solicitation
Points of contact
- Amy L. Starksamy.l.starks@usace.army.mil6016315693
- Robert Ellis ScrewsEllis.Screws@usace.army.mil6016317527