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The DEPARTMENT OF WATER RESOURCES has issued a Tender notice for the procurement of a CalSim Model Development and Application in the USA. This Tender notice was published on 22 Aug 2026 and is scheduled to close on 15 Sep 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 147725437, while the tender notice number is 10220250 and Registering on the platform.
Procurement Summary
Country: USA
Summary: CalSim Model Development and Application
Deadline: 15 Sep 2026
Posting Date: 22 Aug 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 147725437
Document Ref. No.: 10220250
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
CPV Classification
71220000 - Architectural design servicesPurchaser's Detail
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Login to see detailsTender Details
The Department of Water Resources (DWR), Division of Modeling Support Office, invites qualified firms to submit a Statement of Qualification (SOQ). Contractor will provide engineering services to develop, enhance, and apply the CalSim modeling tools, including CalSim 3, CalLite, CalSimHydro, CS3RimInflow, and the CalSim 3 Historical Hydrology Model (CS3HIST), to support simulation of CVP and SWP system operations and their service areas. This work includes improving and applying the WRIMS simulation engine, modeling water use for agriculture, urban, and refuge needs, and simulating streamflow and surface runoff from rim watersheds and valley floor areas. Contractor will also support calibration and validation of CalSim 3 surface and groundwater hydrology. Estimated Contract Value: $1, 000, 000 - $10, 000, 000
81101500 - Professional engineering services - Civil engineering
81111500 - Computer services - Software or hardware engineering
70171506 - Water resource development service contracting services - Ground or surface water modeling services
81101508 - Professional engineering services - Civil engineering - Architectural engineering
Published Date: 08/21/2026 2:30PM PDT
Event End Date: 09/15/2026 2:00PM PDT
Format/Type: Sell Event
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