Outfall 40 at HSAAP
Closed Pre-Solicitation Posted
- Solicitation number
- W9123626RATBD
- Agency
-
ENDIST Norfolk
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- PSC
- Not on record
- Place of performance
- 4509 W Stone Dr, Kingsport, TN 37660 37660
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Department of the Army Corps of Engineers Engineering District Norfolk (ENDIST Norfolk) is seeking contractor services for modifications to Outfall 40 at the Holston Army Ammunition Plant (HSAAP) in Kingsport, Tennessee. The procurement encompasses re-routing and channel improvements, including construction of a new channel discharging into the Holston River, channel stabilization, and abandonment of the existing weir and Outfall 40 into Arnott Branch. This project is necessary to address temperature compliance issues and accommodate planned increases in cooling water flow from various production facilities at the GOCO explosives production facility. The work will fall under the Heavy and Civil Engineering Construction category (NAICS 237990). Interested parties must submit questions and responses by the February 6, 2026 deadline, with this Pre-solicitation Notice posted on January 21, 2026, providing a two-week window for potential bidders to gather information and prepare for the formal solicitation.
This procurement carries no set-aside designation, meaning it is open to all eligible contractors. The project involves substantial civil engineering work, including approximately 970 acres of site drainage feeding into the outfall, construction of a new channel with 10-foot clearing on either side for maintenance purposes, and establishment of a temporary road and turnaround area on the eastern side for construction vehicles. While the Pre-solicitation Notice does not specify an award value or detailed timeline for project completion, the scope of work—involving significant channel construction, stabilization efforts, and coordination across multiple production facilities—suggests a substantial contract. The work is driven by operational necessity to maintain compliance with environmental permits as HSAAP increases production capacity and cooling water discharge.
Notice text
Holston Army Ammunition Plant (HSAAP) is a Government-Owned, Contractor-Operated (GOCO) explosives production facility located in Kingsport, Tennessee. All production at HSAAP depends on river water. The HSAAP river water system was installed in the early 1940s and was originally designed for resiliency and sustainability; but the system has degraded over time.Due to temperature compliance issues, all the production channels and outfalls to the Arnott Branch have been directed to Channel 1976 and associated Outfall 40. Approximately 970 acres of the HSAAP site now feed into Outfall 40 from a storm run-off standpoint; however, the majority of flow in this channel and outfall is from once-through non-contact cooling water (NCCW) discharging from various production facilities on the site. With planned increases in production and cooling water flow, this channel and outfall will exceed permissible temperature impacts to the Arnott Branch as required by operation permits. The Project includes modifications to Outfall 40, which involves re-routing and channel improvements. Improvements include the construction of a new portion of channel that discharges directly into the Holston River, channel stabilization, and the abandonment of the existing weir and Outfall 40 into Arnott Branch. Construction of the new channel will include a 10-foot clearing on either side for maintenance and construction, along with a temporary road and turnaround on the eastern side for construction vehicles.Please see the attached document for further details
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