Rock Supply for Blackhawk Park
Closed Solicitation Posted
This opportunity was awarded. See the award notice from .
- Solicitation number
- W912ES25QA018
- Agency
-
ENDIST St Paul
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 212319 Other Crushed and Broken Stone Mining and Quarrying
- PSC
- 5610 Mineral Construction Materials, Bulk
- Place of performance
- De Soto, Wisconsin 54624, United States
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers St. Paul District is seeking a contractor to supply and deliver approximately 7,744 net tons of rock materials for the Blackhawk Park Bank Stabilization project in De Soto, Wisconsin. The procurement includes 2,181 net tons of R140 riprap, 3,061 net tons of R30 riprap, 1,366 net tons of B1 bedding, and 1,136 net tons of B2 bedding materials to be delivered to six specific stockpile locations along the Mississippi River. Contractors must use approved quarries located in Wisconsin and Iowa and comply with strict material specifications including systematic blasting, vigorous processing over vibrating grizzly equipment, and detailed gradation requirements. The evaluation will be based on past performance and pricing, with both criteria weighted equally. The original solicitation was issued on May 20, 2025, with responses initially due June 23, 2025, but Amendment 0001 extended the deadline to August 1, 2025, at 3:00 PM, noting the Black Hawk Bridge closure in Lansing and requiring contractors to include all associated costs in their quotes.
This opportunity is set aside as a 100% Small Business procurement under NAICS code 212319 (Other Crushed and Broken Stone Mining and Quarrying) with a size standard of 500 employees, and the solicitation documents indicate it was originally designated as a Women-Owned Small Business (WOSB) set-aside. No incumbent contractors are identified in the available documentation. The contract requires delivery of materials on or before October 23, 2025, with an estimated delivery start date of October 5, 2025, and daily delivery rates varying between 100 and 800 tons per day using straight-line end dump trucks with maximum 18-ton capacity. All deliveries must be made to the specified stockpile locations in Blackhawk Park, De Soto, Wisconsin, between 8:00 a.m. and 5:00 p.m. on consecutive workdays, with potential weekend deliveries subject to the Contracting Officer's direction. The contractor is responsible for all transportation costs and must deliver materials directly to the destination points as directed by the Contracting Officer's Representative.
Notice text
Contractor shall supply and deliver various tonnage of rock (R140 & R30 riprap and B1 & B2 bedding) for delivery as indicated in the scope of work and map locations in Blackhawk Park, De Soto, WI.
Files
| File | Type | Posted |
|---|---|---|
| Amendment 0001 W912ES25QA018.pdf | ||
| Maps BPBS STOCKPILE.pdf | ||
| Notes to Offeror.pdf | ||
| Solicitation - W912ES25QA018.pdf | ||
| SOW (final) Blackhawk_Bank_Repair_Rock Supply.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Rock Supply for Blackhawk Park | Award Notice | |
| This notice | Solicitation |
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