Garrison Spillway Chute Subdrain Inspection Garrison Dam, ND
Closed Solicitation Posted
- Solicitation number
- W9128F26QA043
- Agency
-
ENDIST Omaha
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 541990 All Other Professional, Scientific, and Technical Services
- Place of performance
- Riverdale, North Dakota, United States
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers, Omaha District, seeks cleanout and camera inspection services for the Garrison Dam spillway drainage system in Riverdale, North Dakota, with proposals due May 21, 2026. The procurement is set aside for Total Small Business concerns with a WOSB size standard of $20 million.
Place of performance is Riverdale, North Dakota. The work scope includes flushing and sediment measurement of spillway subdrains (16,180 linear feet across Rows 1–9), box drains (4,800 linear feet), and 14 crest relief wells (550 linear feet); construction of a temporary chute access staircase; and mobilization, demobilization, and supporting work. An optional task covers powerhouse drainage inspection (5,295 linear feet). All work must be completed within 225 calendar days of award, with fieldwork restricted to dates outside November 1 through April 15 due to winter access constraints. Camera equipment must meet NASSCO PACP standards with high-definition color video and continuous depth measurement.
The NAICS code is 541990 (All Other Professional, Scientific, and Technical Services); PSC code is R425. Contractor personnel must comply with USACE EM 385-1-1 safety standards, OSHA regulations, antiterrorism training (AT Level I), E-Verify screening, and fingerprint clearance for at least one onsite person at all times. Minimum insurance requirements are $1 million general liability, $100,000 workers' compensation, and applicable vehicle/aircraft coverage. Service Contract Act prevailing wage rates apply to North Dakota counties. Liquidated damages are $483 per calendar day for delays.
Evaluation criteria are past performance (three references required), a detailed work plan not exceeding three pages addressing project schedule, equipment description, and sample inspection reporting, and price. FAR clause 52.211-18 allows equitable adjustment if actual quantities vary more than 15 percent above or below estimates. Questions were due May 11 at 2:00 PM Central Time. Site visits were held April 28 and May 1, 2026, at the Garrison Project Administration Building. Amendment 02 extended the due date from May 19 to May 21, 2026.
Notice text
4 versions
Update #4 · Latest ·
**Questions and Answers posted in the Attachments Section below. Amendment 0002 is also posted in this section. **
The attendees from the additional site visit on 1 May 2026 is posted.
Solicitiaton Amendment 01 is issued. Please see the attached amendment W9128F26QA043 Amd 01 for details on the additional site visit. The Site Visit Attendees from 4/28/2026 are also posted.
Please see the attached solicitiaton for all information. Details for the site visit are listed in the solicitation.
Update #3 ·
The attendees from the additional site visit on 1 May 2026 is posted.
Solicitiaton Amendment 01 is issued. Please see the attached amendment W9128F26QA043 Amd 01 for details on the additional site visit. The Site Visit Attendees from 4/28/2026 are also posted.
Please see the attached solicitiaton for all information. Details for the site visit are listed in the solicitation.
Update #2 ·
Solicitiaton Amendment 01 is issued. Please see the attached amendment W9128F26QA043 Amd 01 for details on the additional site visit. The Site Visit Attendees from 4/28/2026 are also posted.
Please see the attached solicitiaton for all information. Details for the site visit are listed in the solicitation.
Update #1 ·
Please see the attached solicitiaton for all information. Details for the site visit are listed in the solicitation.
Files
Notice history
| Notice | Type | Posted |
|---|---|---|
| This notice | Solicitation | |
| Garrison Spillway Chute Subdrain Inspection Garrison Dam, ND | Pre-Solicitation |
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