Delft3D Modeler Support Services

Solicitation / RFP / RFQ

This solicitation (W912HZ26QA020) is for Delft3D Modeler Support Services. The government is procuring services related to hydrodynamic and sediment transport modeling.

• Base Task: Delft3D Hydrodynamic Model for Project Alternatives.

• Optional Tasks:

  • Optional Task 1: Delft3D Sediment Model.
  • Optional Task 2A: Initial Set Up of Model (0-500k mesh nodes).
  • Optional Task 2B: Initial Set Up of Model (500k-1M mesh nodes).
  • Optional Task 2C: Initial Set Up of Model (1M+ mesh nodes).
  • Optional Task 3: Delft3D Modeler Support for Engineering with Nature (EWN), Applications.
  • Optional Task 4: Delft3D Model Knowledge Transfer.
  • Optional Task 5: Delft3D Modeling Pre and Post Processing Development.

• Services include supervision, labor, materials, equipment, facilities, travel, and per diem.

• Requires proficient expertise in using DELFT3D, numerical modeling of hydrodynamics and sediment transport.

• Requires experience with Adaptive Hydraulics (AdH) and DELFT 2D and 3D model codes.

• Requires experience with Linux high performance computing machines and coding in Python and MATLAB.

• Offerors must meet security requirements to access ERDC High Performance Computing (HPC) machines.

• Contract Type: Firm Fixed Price for all tasks.

• Period of Performance: Base task is 745 Calendar Days from Date of Award. Option periods vary in length (3 months, 1 month, 45 Calendar Days, 2 months, 6 months, 3 months, 2 months).

• Total Contract Duration: Shall not exceed 24.5 months.

• Offer Due Date: 23 APR 2026, 02:00 PM.

• Evaluation Factors: Technical Acceptability, Past Performance, and Price.

• Technical Acceptability: Assessed based on conformance to salient characteristics in the PWS and demonstrated expertise in the required areas.

• Options: Will be evaluated by adding the total price for all options to the total price for the basic requirement.

• This acquisition is set aside for Small Business.

• NAICS Code: 541620 (Environmental Consulting Services).

• Size Standard: USD 19,000,000.00.

• The Performance Work Statement (PWS) attachment contains detailed requirement information.

• FAR clauses incorporated by reference include those related to Gratuities, Small Business Set-Aside, Terms and Conditions for Commercial Products, etc.

• DFARS clauses incorporated by reference include those related to Contractor Personnel, Covered Defense Telecommunications, etc.

Statement of Work (SOW) / Performance Work Statement (PWS)

To build and validate a Delft3D model for hydrodynamics and transport, supporting the U.S. Army Engineer Research and Development Center (ERDC) Coastal and Hydraulics Laboratory (CHL) in understanding hydrodynamics and its impact on water quality and sediment transport.

• Base Task: Modify existing Delft3D numerical models (hydrodynamics, salinity, temperature) for proposed project alternatives. This involves simulating one calendar year of with-project conditions using approximately 500,000 nodes covering 17,000 square miles. The model can be run on a desktop PC or ERDC High Performance Computing (HPC) machines.

• Optional Task 1: Modify existing Delft3D numerical models for sediment transport for proposed project alternatives. Simulate one calendar year of with-project conditions.

• Optional Task 2: Set up new Delft3D models for various locations (TBD) to support research and development efforts. This includes building meshes (up to 1M+ nodes), applying bathymetry data, and model driving conditions. Tasks vary in complexity and duration.

• Optional Task 3: Provide advanced Delft3D modeling support for Engineering With Nature® (EWN®) projects, including simulations and output interpretation. Also includes capacity-building through training sessions for ERDC and EWN team members.

• Optional Task 4: Develop training material specific to ERDC-CHL projects, including presentations, sample files, and visualization tools, with accompanying workshops.

• Optional Task 5: Develop tools and packages in Python or Matlab to interpret 2D/3D Delft3D input/output for CHL analyses, including computation of tidal prism, amplitude, percentiles, and discharge.

• The overall Period of Performance is estimated at 24.5 months (6 months base + 18.5 months options).

• Work will be performed in-person at the ERDC CHL.

• Required Skills: Proficient expertise in DELFT3D, numerical modeling of hydrodynamics and sediment transport, Adaptive Hydraulics (AdH), DELFT 2D/3D model codes, Linux HPC machines, and Python/MATLAB. Must meet security requirements for ERDC HPC access.

• Deliverables: All data files, notes, reports, computer code, model files (input/solution), and written/presented instructions are to be transmitted digitally or saved on ERDC-provided external hard drives.

• Government Furnished Information/Equipment: Access to ERDC HPC, details of desired model conditions, previously developed DELFT model, and field data for calibration/validation. ERDC will provide office space, equipment, and external hard drives.

• Security: Compliance with general security requirements, Antiterrorism (AT) Level I training, Suspicious Activity Reporting training, OPSEC Level I training, and Controlled Unclassified Information (CUI) protocols is required. Personnel may require background investigations and Common Access Cards (CACs).