# CalSim 3 Model Development & Operations Analysis

Canonical: https://abierto.us/opportunities/140r2026q0024

- Solicitation number: 140R2026Q0024
- Notice type: Award notice (first published as sources sought)
- Status: Awarded to MBK Engineers for $1,597,843.00
- Department: Department of the Interior
- Agency: Bureau of Reclamation
- Contracting office: Mp-Regional Office (140R20)
- NAICS: 541690 Other Scientific and Technical Consulting Services
- Product or service code: B510 Environmental Studies and Assessments
- County: Sacramento County (FIPS 06067). https://abierto.us/counties/sacramento-county-ca-06067
- City: Sacramento. https://abierto.us/cities/sacramento-ca-0664000
- First posted: January 14, 2026
- Last posted: June 11, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/14eeb1d3595c43a38861547939bfef70/view

## Description

EO 14398 - CalSim 3 Model Development and Operations Analysis

## Award on USAspending

- Recipient: MBK Engineers (UEI DVE6MLSWSK35)
- Contract: 140R2026P0053, purchase order
- Obligated: $330,861.00
- Competition: Competed Under SAP, 3 offers received
- Link: award number 140R2026P0053 equals the contract number; same awarding office 140R20 (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_140R2026P0053_1425_-NONE-_-NONE-/


## Publications

- January 14, 2026: Sources sought, due January 28, 2026 at 4:00 PM EST. Notice 543659baa73243b1b10f511cc7e9e640. https://sam.gov/workspace/contract/opp/543659baa73243b1b10f511cc7e9e640/view
- January 14, 2026: Sources sought, due January 28, 2026 at 4:00 PM EST. Notice 5cbc5689959c4157b98e262938e381c8. https://sam.gov/workspace/contract/opp/5cbc5689959c4157b98e262938e381c8/view
- April 29, 2026: Combined synopsis and solicitation, due May 20, 2026 at 6:00 PM EDT. Notice 2db46e09ecc740c7954c01a949b686f0. https://sam.gov/workspace/contract/opp/2db46e09ecc740c7954c01a949b686f0/view
- June 11, 2026: Award notice. Notice 14eeb1d3595c43a38861547939bfef70. https://sam.gov/workspace/contract/opp/14eeb1d3595c43a38861547939bfef70/view

## Points of contact

- Heibeck, Sherry, sherry_heibeck@ios.doi.gov, 9169786188

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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/140r2026q0024.