B--Model Development and Support CalSim Model Logic
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Interior, Bureau of Reclamation has issued an Award Notice for CalSim 3 Model Development & Operations Analysis services. This contract aims to acquire contractor services to support improvements to operational assumptions within the CalSim model and assist in related operations analysis. The specific awardee and contract value are not provided in this notice.
Scope of Work
The awarded contract covers comprehensive support for the CalSim model, which simulates monthly operations for the Central Valley Project (CVP) and State Water Project (SWP). Key tasks include:
- CalSim Model Development: Enhancing allocation procedures, implementing flexibility in CVP/SWP Cooperating Operations Agreement (COA) accounting, improving model efficiency (cycle structure, groundwater simulation), redesigning Millerton Lake operations logic, implementing CVP operations of the Delta Mendota Canal and Joint Use Branch, and creating a database of historical water sources and uses.
- Operations and Modeling Staff Support: Providing on-demand modeling and training support to Central Valley Operations and the Bay-Delta Office Modeling Division for unforeseen and time-sensitive tasks, including technical analyses and data gathering.
- Project Management, Meetings, and Coordination: Establishing recurring weekly meetings, managing project schedules, and providing progress reports.
- Data Management and Documentation: Delivering final models and documentation for all developed code, including comments and requested memorandums, via a secure online platform.
Contract Details
- Type: Labor Hour / Time and Materials (T&M) Service Contract
- Duration: A Base Year (June 15, 2026 – June 14, 2027) with four Option Years, extending through June 14, 2031.
- Set-Aside: This acquisition was solicited as a full and open competition.
- Award Notice Date: June 11, 2026
- Estimated Ceiling: The preceding solicitation indicated an overall ceiling amount of $1,600,000.00 for the base and all option years.
Performance Standards
Products must be free from technical errors, contain accurate data, and allow for logical interpretation. Project management deliverables (meetings, invoices, reports) are expected to be 95% on time. Interim code and scripts should be available within 2 business days of request.
Additional Notes
The original solicitation (140R2026Q0024) required offerors to be registered in SAM.gov and submit quotes via email by May 20, 2026. Evaluation was based on Technical Approach, Past Performance, Price, and Small Business Participation. A Subcontracting Plan was required for large businesses.