# DK Heart Butte Dam Safety Modification

Canonical: https://abierto.us/opportunities/140r6026r0004

- Solicitation number: 140R6026R0004
- Notice type: Solicitation (first published as presolicitation)
- Status: Closed. Deadline was June 18, 2026 at 2:00 PM EDT
- Department: Department of the Interior
- Agency: Bureau of Reclamation
- Contracting office: Great Plains Regional Office (140R60)
- NAICS: 237990 Other Heavy and Civil Engineering Construction
- Product or service code: Z2PZ Repair Or Alteration Of Other Non-Building Facilities
- First posted: February 26, 2026
- Last posted: June 15, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/fb75527f66f14fa3b049e14ac37f366f/view

## Description

DK Heart Butte Dam Safety Modification Amendment 0006 is issued solely to extend the deadline for proposal submittals to June 18, 2026, at 1200 MT because Kiteworks will be offline on June 17, 2026, from 1500-1700MT.

## Publications

- February 26, 2026: Presolicitation, due March 31, 2026 at 7:00 PM EDT. Notice 0abbc6b3bb7940c8bc21dd37c12ec496. https://sam.gov/workspace/contract/opp/0abbc6b3bb7940c8bc21dd37c12ec496/view
- April 13, 2026: Solicitation, due May 29, 2026 at 5:00 PM EDT. Notice 9a8c33f8fcf0492497c2e119ce9ef080. https://sam.gov/workspace/contract/opp/9a8c33f8fcf0492497c2e119ce9ef080/view
- April 14, 2026: Solicitation, due May 29, 2026 at 7:00 PM EDT. Notice 9944eb96ac4a4de1b2884b68d5f77d7c. https://sam.gov/workspace/contract/opp/9944eb96ac4a4de1b2884b68d5f77d7c/view
- April 24, 2026: Solicitation, due May 29, 2026 at 7:00 PM EDT. Notice cbe6a07979634eeabb02076288f01bec. https://sam.gov/workspace/contract/opp/cbe6a07979634eeabb02076288f01bec/view
- May 11, 2026: Solicitation, due June 8, 2026 at 4:00 PM EDT. Notice 7889ac5998b84eaba6cac25f2cea48b5. https://sam.gov/workspace/contract/opp/7889ac5998b84eaba6cac25f2cea48b5/view
- May 20, 2026: Solicitation, due June 10, 2026 at 7:00 PM EDT. Notice 600f4b3d15da488f89586aa9c51dbae6. https://sam.gov/workspace/contract/opp/600f4b3d15da488f89586aa9c51dbae6/view
- June 3, 2026: Solicitation, due June 17, 2026 at 7:00 PM EDT. Notice 8b677547406441429dd79e3e9271fcb1. https://sam.gov/workspace/contract/opp/8b677547406441429dd79e3e9271fcb1/view
- June 15, 2026: Solicitation, due June 18, 2026 at 2:00 PM EDT. Notice fb75527f66f14fa3b049e14ac37f366f. https://sam.gov/workspace/contract/opp/fb75527f66f14fa3b049e14ac37f366f/view

## Points of contact

- Stephens, Travis, TJStephens@usbr.gov, 4062477812

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/140r6026r0004.