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Z--DK Heart Butte Dam Safety Modification

Inactive on SAM.gov — responses were due 18 Jun 2026 · Unrestricted (full and open) · Bureau of Reclamation, DOI · NAICS 237990 · Solicitation 140R6026R0004

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SAM.gov marked this notice inactive — responses were due 18 June 2026.

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Solicitation details

Solicitation number140R6026R0004
Notice IDfb75527f66f14fa3b049e14ac37f366f
AgencyDepartment of the Interior (DOI)
Sub-agencyBureau of Reclamation
Contracting officeGREAT PLAINS REGIONAL OFFICE
NAICS code237990 — Other Heavy and Civil Engineering Construction
Product / service code (PSC)Z2PZ
Set-asideUnrestricted (full and open)
Notice typeSolicitation
Posted15 June 2026
Response deadline18 June 2026 (closed)

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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.

Version history

SAM.gov has posted 8 notices under solicitation 140R6026R0004, oldest first.

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Market context: DOI and NAICS 237990

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  • In fiscal year 2026, DOI obligated $312.8M across 91 contract actions under NAICS 237990.
  • 83 contracts worth $832.4M in this category end within the next 18 months.

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