# NGWSP BLOCK 2-3 PIPELINE

Canonical: https://abierto.us/opportunities/140r4026b0001

- Solicitation number: 140R4026B0001
- Notice type: Award notice (first published as presolicitation)
- Status: Awarded to Carstensen Contracting Inc. for $80,959,560.47
- Department: Department of the Interior
- Agency: Bureau of Reclamation
- Contracting office: Upper Colorado Regional Office (140R40)
- NAICS: 237110 Water and Sewer Line and Related Structures Construction
- Product or service code: Y1NE Construction Of Water Supply Facilities
- First posted: March 10, 2026
- Last posted: September 4, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/0e631687b7fe4a078c64a5b5a6218fc3/view

## Description

NGWSP BLOCK 2-3 PIPELINE

## Award on USAspending

- Recipient: Carstensen Contracting Inc. (UEI VK9ECEET4GG5)
- Contract: 140R4026C0013, definitive contract
- Obligated: $72,863,604.42
- Competition: Full and Open Competition, 3 offers received
- Link: solicitation number 140R4026B0001 equals the FPDS solicitation identifier; same awarding office 140R40 (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_140R4026C0013_1425_-NONE-_-NONE-/


## Publications

- March 10, 2026: Presolicitation, due June 24, 2026 at 12:00 PM EDT. Notice 4f0d976d6f374070b0a56ca6882d07c2. https://sam.gov/workspace/contract/opp/4f0d976d6f374070b0a56ca6882d07c2/view
- March 13, 2026: Presolicitation, due June 24, 2026 at 12:00 PM EDT. Notice a1c0859e3a4f4e48b850a97e89881f2d. https://sam.gov/workspace/contract/opp/a1c0859e3a4f4e48b850a97e89881f2d/view
- April 15, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 7531dce0b04a451680d2676d79ff826c. https://sam.gov/workspace/contract/opp/7531dce0b04a451680d2676d79ff826c/view
- April 27, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 6dc5f04670de47ee8f7059beffd4b3ab. https://sam.gov/workspace/contract/opp/6dc5f04670de47ee8f7059beffd4b3ab/view
- June 1, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 1bc073ded14a44f99bf2e0a49f44738e. https://sam.gov/workspace/contract/opp/1bc073ded14a44f99bf2e0a49f44738e/view
- June 9, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 79c6697ce1a847b0aa30afaa9e2e136a. https://sam.gov/workspace/contract/opp/79c6697ce1a847b0aa30afaa9e2e136a/view
- June 11, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 9856c1b4a27443f0b820347c7bce83fe. https://sam.gov/workspace/contract/opp/9856c1b4a27443f0b820347c7bce83fe/view
- June 16, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice 7b449064ed7944eaa8a77351c1cb78f1. https://sam.gov/workspace/contract/opp/7b449064ed7944eaa8a77351c1cb78f1/view
- June 24, 2026: Solicitation, due June 30, 2026 at 12:00 PM EDT. Notice b5e6149ec678400b9585ec3ba4121fee. https://sam.gov/workspace/contract/opp/b5e6149ec678400b9585ec3ba4121fee/view
- September 4, 2026: Award notice. Notice 0e631687b7fe4a078c64a5b5a6218fc3. https://sam.gov/workspace/contract/opp/0e631687b7fe4a078c64a5b5a6218fc3/view

## Points of contact

- Spencer, Tyler, tyler_spencer@ios.doi.gov, 8015243653

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/140r4026b0001.