# Stoplog Slot Construction Ouachita River, Thatcher Lock and Dam, Calion, Arkansas

Canonical: https://abierto.us/opportunities/w912ee25ba009

- Solicitation number: W912EE25BA009
- Notice type: Award notice (first published as sources sought)
- Status: Awarded to Underwater Mechanix Services LLC for $5,791,179.00
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W07V Endist Vicksburg (W912EE)
- NAICS: 237990 Other Heavy and Civil Engineering Construction
- Product or service code: Y1PZ Construction Of Other Non-Building Facilities
- Place of performance: Calion, Arkansas
- County: Union County (FIPS 05139). https://abierto.us/counties/union-county-ar-05139
- City: Calion. https://abierto.us/cities/calion-ar-0510600
- First posted: June 6, 2025
- Last posted: September 15, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/9b8ad06ba2af450cbe96309de01ff7b7/view

## Description

*15 Sep 2025 - Stoplog Slot Construction Ouachita River Thatcher Lock and Dam Calion, Arkansas, has been awarded on today.

## Award on USAspending

- Recipient: Underwater Mechanix Services LLC (UEI WXBKMQ8RLLB5)
- Contract: W912EE25CA014, definitive contract
- Obligated: $5,791,179.00
- Competition: Full and Open Competition, 5 offers received
- Link: award number W912EE25CA014 equals the contract number; same awarding office W912EE (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_W912EE25CA014_9700_-NONE-_-NONE-/


## Publications

- June 6, 2025: Sources sought, due June 16, 2025 at 3:00 PM EDT. Notice 122655213d2d4d029cff26c384b36a34. https://sam.gov/workspace/contract/opp/122655213d2d4d029cff26c384b36a34/view
- July 9, 2025: Presolicitation, due August 27, 2025 at 3:00 PM EDT. Notice 44589c22e1774ed492b6a8a26866cc46. https://sam.gov/workspace/contract/opp/44589c22e1774ed492b6a8a26866cc46/view
- July 24, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice dfbf0fe44bed4c5ab1302c0bef8ae242. https://sam.gov/workspace/contract/opp/dfbf0fe44bed4c5ab1302c0bef8ae242/view
- August 5, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice edf16611ddd64837ad4035b9dc750a43. https://sam.gov/workspace/contract/opp/edf16611ddd64837ad4035b9dc750a43/view
- August 8, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice dc4008114c574a10bc9a33b5a950eb56. https://sam.gov/workspace/contract/opp/dc4008114c574a10bc9a33b5a950eb56/view
- August 8, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice e479f73ebf7546a1a823d83be7e255cb. https://sam.gov/workspace/contract/opp/e479f73ebf7546a1a823d83be7e255cb/view
- August 12, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice c28e08e5ed9743a3b1340ae144675e36. https://sam.gov/workspace/contract/opp/c28e08e5ed9743a3b1340ae144675e36/view
- August 15, 2025: Solicitation, due August 27, 2025 at 3:00 PM EDT. Notice 2b002a3e24134b3081e02c103873e7f1. https://sam.gov/workspace/contract/opp/2b002a3e24134b3081e02c103873e7f1/view
- August 20, 2025: Solicitation, due September 4, 2025 at 3:00 PM EDT. Notice 10f456513a35428198ed36508dc7613e. https://sam.gov/workspace/contract/opp/10f456513a35428198ed36508dc7613e/view
- August 26, 2025: Solicitation, due September 4, 2025 at 3:00 PM EDT. Notice 95b16449454749a3b9365566ba4fb662. https://sam.gov/workspace/contract/opp/95b16449454749a3b9365566ba4fb662/view
- August 27, 2025: Solicitation, due September 4, 2025 at 3:00 PM EDT. Notice 2e0329a5e09f4569ab9c60bbee0115eb. https://sam.gov/workspace/contract/opp/2e0329a5e09f4569ab9c60bbee0115eb/view
- August 29, 2025: Solicitation, due September 4, 2025 at 3:00 PM EDT. Notice 83c472f97987452bb1155a328a85cbd2. https://sam.gov/workspace/contract/opp/83c472f97987452bb1155a328a85cbd2/view
- September 4, 2025: Solicitation, due September 4, 2025 at 3:00 PM EDT. Notice a2f4315882bb4738be1bf106abadfe71. https://sam.gov/workspace/contract/opp/a2f4315882bb4738be1bf106abadfe71/view
- September 15, 2025: Award notice. Notice 9b8ad06ba2af450cbe96309de01ff7b7. https://sam.gov/workspace/contract/opp/9b8ad06ba2af450cbe96309de01ff7b7/view

## Points of contact

- Amy L. Starks, amy.l.starks@usace.army.mil, 6016315693
- Robert Ellis Screws, Ellis.Screws@usace.army.mil, 6016317527

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w912ee25ba009.