# Replace Back Channel Hydraulic Dam Gate Cylinders

Canonical: https://abierto.us/opportunities/w911wn25b8011

- Solicitation number: W911WN25B8011
- Notice type: Award notice (first published as special notice)
- Status: Awarded to C. J. Mahan Construction Company, LLC for $8,635,903.00
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W072 Endist Pittsburgh (W911WN)
- NAICS: 237990 Other Heavy and Civil Engineering Construction
- Product or service code: 3040 Miscellaneous Power Transmission Equipment
- Place of performance: Pittsburgh, Pennsylvania
- County: Allegheny County (FIPS 42003). https://abierto.us/counties/allegheny-county-pa-42003
- City: Pittsburgh. https://abierto.us/cities/pittsburgh-pa-4261000
- First posted: October 17, 2024
- Last posted: July 15, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/d8594d90769342068342df44f9d985c1/view

## Description

Replace Back Channel Hydraulic Dam Gate Cylinders - The U.S. Army Corps of Engineers, Pittsburgh District. This requirement is to replace the Dam Gate Hydraulic Cylinders at Emsworth Locks and Dams, Ohio River, Pennsylvania. The Contract includes the purchase and installation of twelve (12) hydraulic cylinders on the Back-Channel Dam, installation of a new network card in the control system to interface with cylinder sensors, and removal and disposal of the existing dam gate cylinders.

**NOTE:**

Amendment 0005 in PIEE is actually Amendment 0004 to the solicitation. This amendment includes the following:

Update Section 25 05 11.35 28 of Specifications.

## Award on USAspending

- Recipient: C. J. Mahan Construction Company, LLC (UEI GGGWC8MCSGT7)
- Contract: W911WN25C8006, definitive contract
- Obligated: $8,828,634.49
- Competition: Full and Open Competition, 3 offers received
- Link: award number W911WN25C8006 equals the contract number; same awarding office W911WN (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_W911WN25C8006_9700_-NONE-_-NONE-/


## Publications

- October 17, 2024: Special notice. Notice 6d7934de9f244b75858be9904a61e0bd. https://sam.gov/workspace/contract/opp/6d7934de9f244b75858be9904a61e0bd/view
- November 22, 2024: Solicitation, due January 7, 2025 at 11:00 AM EST. Notice 149e850de84044a9830f6b19d26d5361. https://sam.gov/workspace/contract/opp/149e850de84044a9830f6b19d26d5361/view
- December 2, 2024: Solicitation, due January 7, 2025 at 11:00 AM EST. Notice 2a67f8f8f2154fc59ec032a6d3302410. https://sam.gov/workspace/contract/opp/2a67f8f8f2154fc59ec032a6d3302410/view
- December 4, 2024: Solicitation, due January 7, 2025 at 11:00 AM EST. Notice 3d77b4ff72ec4a7d990cd8f6bcd8a3f0. https://sam.gov/workspace/contract/opp/3d77b4ff72ec4a7d990cd8f6bcd8a3f0/view
- December 6, 2024: Solicitation, due January 31, 2025 at 11:00 AM EST. Notice 04a3fe6828c9431f8eeb413d81046840. https://sam.gov/workspace/contract/opp/04a3fe6828c9431f8eeb413d81046840/view
- December 6, 2024: Solicitation, due January 7, 2025 at 11:00 AM EST. Notice 84f8af66be3f4e79bb01023838e3047f. https://sam.gov/workspace/contract/opp/84f8af66be3f4e79bb01023838e3047f/view
- January 21, 2025: Solicitation, due February 14, 2025 at 11:00 AM EST. Notice 34affd7167044ce590a5c77babff1720. https://sam.gov/workspace/contract/opp/34affd7167044ce590a5c77babff1720/view
- January 22, 2025: Solicitation, due February 14, 2025 at 11:00 AM EST. Notice 896292d5dada416cb13c1514e6d5e0cc. https://sam.gov/workspace/contract/opp/896292d5dada416cb13c1514e6d5e0cc/view
- February 14, 2025: Solicitation, due February 14, 2025 at 11:00 AM EST. Notice a9e9bef8b35942c5abb973e94e30a6f2. https://sam.gov/workspace/contract/opp/a9e9bef8b35942c5abb973e94e30a6f2/view
- April 3, 2025: Award notice. Notice 0233b52a22dd4e8d8c2b30be38a4330b. https://sam.gov/workspace/contract/opp/0233b52a22dd4e8d8c2b30be38a4330b/view
- July 15, 2025: Award notice. Notice d8594d90769342068342df44f9d985c1. https://sam.gov/workspace/contract/opp/d8594d90769342068342df44f9d985c1/view

## Points of contact

- Mario Dizdarevic, mario.dizdarevic@usace.army.mil, 5023157421
- CONNIE FERGUSON, connie.l.ferguson@usace.army.mil, 4123957551

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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/w911wn25b8011.