W912P525QA032_TPLANS_NIL_Tow Haulage High Speed Gear Box and Limit Switch Rehab_RTA_June2025.pdf
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- Attached to
- Nickajack Lock Tow Haulage Gearbox Rehab
- Solicitation number
- W912P525NIC
About this file
These documents are engineering plans for the Tow Haulage High Speed Gearbox and Limit Switch Rehabilitation project for the Nickajack Auxiliary Lock located in Hardin County, Tennessee. The project, identified by contract number W912P5-25-Q-A032, involves comprehensive rehabilitation of a high-speed gearbox, including replacing multiple critical components such as seven specific bearings, two oil seals, and a bearing bushing. The technical drawings detail precise replacement requirements, specifying that all replacement parts must match original dimensions and specifications, with additional requirements for stub shaft replacement and a NEMA 4X limit switch enclosure to be provided by the contractor.
The project is being executed by the U.S. Army Corps of Engineers Nashville District, with a planned implementation in June 2025. The rehabilitation is intended to return the gearbox to original equipment manufacturer (OEM) specifications, involving a comprehensive process that includes pickup of the existing gearbox, thorough inspection, detailed reporting, and subsequent repair work. The contract appears to be set aside for small businesses, with a site visit scheduled for July 16, 2025, at the Nickajack Lock in Jasper, Tennessee, subject to strict security protocols for both U.S. citizens and foreign nationals seeking to attend.
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Text version
Submitted:
Waldy F. Pichardo
(2.) The approval signatures appearing in the signature block on this sheet constitute approval of all drawings listed in the sheet index.
of individuals appear on these project documents within the scope of their employment as required by ER 1110-1-8152.
(1.) This project was designed by the Nashville District of the U.S. Army Corps of Engineers. The initials or signatures and registration designations
Note:
Steven J. Duncan, P.E.
Chief, Mechanical Section
Approved:
Zachary A. Langel, P.E.
Chief, Design Branch
Project Engineer
Approval Recommended:
Plans For
Tow Haulage High Speed Gearbox and Limit Switch Rehab
Nickajack Auxiliary Lock
Tennessee River Basin
Hardin County, Tennessee
W912P5-25-Q-A032
June 2025
Certified Final Documents - RTA
Nashville District of Engineers
US Army Corps
DRAWING INDEX
REFERENCE DRAWINGS:
DIMENSION SHEET031730025.pdf03-173-0025-3
PART LIST011730040.pdf01-173-0040-4
TITLEFILE NAMEDWG #
Tennessee River
Parts to be Replaced
1. Bearing bushing #11
2. Bearing #19
3. Bearing #20
4. Bearing #21
5. Oil seal #22
6. Bearing #27
7. Oil seal #28
Notes:
1. Highlighted parts are to be replaced as part of the refurbishment of the gearbox.
2. Any gaskets not listed here must also be replaced.
FOR REFERENCE ONLY
FOR REFERENCE ONLY
Notes:
1. See specs for limit switch information.
2. Under base contract, stub shaft must be replaced to fit new limit switch
3. Under base contract, stub shaft must be replaced to fit new limit switch
4. NEMA 4X limit switch enclosure to be provided by contractor.
5. Shafts must be replaced "In-Kind" to original dimensions. See specs for Shaft material.
6. Under option 1 of the contract, Shafts must be replaced "In-Kind" to original dimensions. See specs for Shaft material
| 2025-06-17T14:50:00-0500 | |
| PICHARDO.WALDY.FELIX.1408797140 | |
| I am the author of this document |
| 2025-06-20T06:54:54-0500 | |
| DUNCAN.STEVEN.JAMES.1541095876 |
| 2025-06-20T07:49:29-0500 | |
| LANGEL.ZACHARY.A.1381404567 |
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