Project Information

Bid Title

Interlock Control System Replacement at Maxwell Locks and Dam

Issuing Agency

DEPT OF DEFENSE

Location

N/A

Published Date

Jul 15, 2025

Closing Date

Jan 28, 2025

Government Level

Federal

Status

Closed

Ref. #

W911WN25B8012

Original Source

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Bid Inquiries

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Bid Documents

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Set Aside

Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)

Project Description

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Interlock Control System Replacement at Maxwell Locks and Dam

Active

Contract Opportunity

Notice ID

W911WN25B8012

Related Notice

Department/Ind. Agency

DEPT OF DEFENSE

Sub-tier

DEPT OF THE ARMY

Major Command

US ARMY CORPS OF ENGINEERS

Sub Command

ENGINEER DIVISION GREAT LAKES AND OHIO

Office

W072 ENDIST PITTSBURGH

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General Information View Changes

• Contract Opportunity Type: Solicitation (Updated)
• Updated Published Date: Jul 15, 2025 01:31 pm EDT
• Original Published Date: Dec 06, 2024 02:09 pm EST
• Updated Date Offers Due: Jan 28, 2025 11:00 am EST
• Original Date Offers Due: Jan 23, 2025 11:00 am EST
• Inactive Policy: Manual
• Updated Inactive Date: Jul 15, 2025
• Original Inactive Date: Jul 31, 2025
• Initiative:
  • None

Classification

• Original Set Aside: Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
• Product Service Code: Y1KA - CONSTRUCTION OF DAMS
• NAICS Code:
  • 237990 - Other Heavy and Civil Engineering Construction
• Place of Performance:

Description

A new lock interlock control system shall be procured by the USACE Pittsburgh District for the lock chambers at Maxwell Locks and Dam on the Monongahela River. The project includes the installation of a valve interlock control system with valve-to-gate, gate-to-valve, and valve-to-valve interlocks in accordance with the current Inland Marine Transportation System (IMTS) Minimum Interlock Control Standard. General project features include the installation of cables, limit switches, control panels, miscellaneous electrical equipment and hydraulic equipment. The new interlock control system shall consist of a centrally located UL 508 certified interlock control panel for each lock chamber. The interlock control panel shall be the main control enclosure for the interlock control system. All limit switches on the miter gates, filling valves, and emptying valves shall be hardwired to relays in the enclosure. The enclosure shall contain key operated bypass switches for each limit switch and shall indicate when a limit switch has been bypassed. Visual indication and an audible alarm at each control panel shall be provided if a lock operation is interrupted or cannot be performed due to an interlock permissive being violated. New cables shall be installed throughout the lock, including the lock chamber cross overs, to achieve a fully functional system. Miscellaneous electrical equipment such as conduit, channel strut, clamps, and cable trays shall be utilized to properly route cables. The existing hydraulic system shall be modified as necessary to support the IMTS interlock standard. Equipment such as manifolds, solenoid operated four-way valves, manual bypass valves, and piping shall be installed to achieve a fully functional interlock control system. Construction work will occur in close proximity to lock and dam areas. The existing facilities are currently operated and staffed by Government personnel 24 hours a day 365 days of the year. All shutdowns are to be coordinated with the Contracting Officer or designated representative. **NOTICE** Information regarding the U.S. Army Corps of Engineers process for settling requests for equitable adjustments and duration goals to achieve definitization of equitable adjustments for change orders under construction contracts can be found by going to https://www.usace.army.mil/Business-With-Us/Partnering/ then clicking on ?View FFP Contract Changes Playbook Here?. 20 December 2024 - Administrative Amendment 0100 issued to correct Response Date for solicitation from 11:00AM ET, 23 January 2025 to 11:00AM ET, 28 January 2025. Solicitation response date on SF1442 is correct. No changes to solicitation or attachments. 22 January 2025 - Amendment 0001 issued to Update Attachment 1 - Specifications - Maxw ell Replace Interlock Control Systems, and 2) Update Attachment 8 - Wage Determination from PA2024002 - 10-25-2024 to PA20250002 - 1-17-2025.

29 January 2025 - Public Bid Opening held yesterday, 28 January 2025; bid results and attendance posted.

Attachments/Links

Contact Information

Contracting Office Address

• WILLIAM S MOORHEAD FEDERAL BUILDING 1000 LIBERTY AVE
• PITTSBURGH , PA 15222-4198
• USA

Primary Point of Contact

• Aaron Barr
• aaron.m.barr@usace.army.mil
• Phone Number 412-395-7157

Secondary Point of Contact

• CONNIE FERGUSON
• connie.l.ferguson@usace.army.mil
• Phone Number 4123957551

History

• Jul 15, 2025 01:31 pm EDTSolicitation (Updated)
• Jan 29, 2025 09:20 am EST Solicitation (Updated)
• Jan 22, 2025 10:33 am EST Solicitation (Updated)
• Dec 20, 2024 08:04 am EST Solicitation (Updated)
• Dec 18, 2024 12:13 pm EST Solicitation (Updated)
• Dec 06, 2024 02:09 pm EST Solicitation (Original)

Commodity Codes

• FSC YConstruction of Structures and Facilities

• NAICS 237990Other Heavy and Civil Engineering Construction

Related bids

Oct 18, 2024	[Special Notice (Original)] Replace Interlock Control Systems at Maxwell Locks & Dams
Dec 6, 2024	[Solicitation (Original)] Interlock Control System Replacement at Maxwell Locks and Dam
Dec 18, 2024	[Solicitation (Updated)] Interlock Control System Replacement at Maxwell Locks and Dam
Dec 20, 2024	[Solicitation (Updated)] Interlock Control System Replacement at Maxwell Locks and Dam
Jan 22, 2025	[Solicitation (Updated)] Interlock Control System Replacement at Maxwell Locks and Dam
Jan 29, 2025	[Solicitation (Updated)] Interlock Control System Replacement at Maxwell Locks and Dam

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