Win TR-55

: WinTR-55 is a desktop hydrologic modeling tool that estimates runoff, peak discharge, and unit hydrographs for small urban and rural watersheds using TR-55 methodology, storm data, and land-cover inputs to support drainage design, stormwater management, and preliminary flood analysis for engineers and planners, allowing rapid, reproducible, and defensible hydrologic assessments.

Key Advantages:

• Rapid watershed runoff and peak flow estimation using standardized TR-55 algorithms for preliminary design and permitting.
• Integrates land-use, soil, and storm data to generate unit hydrographs and hydrographs suitable for drainage sizing and SCS-CN analysis.
• Lightweight desktop implementation enabling batch scenario testing, sensitivity analysis, and exportable hydrograph outputs for downstream hydraulic models.

Professional Scope: Essential for Architects, Civil Engineers, Electrical Engineers, Interior Designers, Mechanical Engineers, and Surveyors – GIS Specialists because it provides reliable, code-consistent runoff estimates for site planning, drainage design, and flood risk assessment.

Access & Licensing: Available primarily as a free desktop application; enhanced vendor-integrated editions or enterprise support may be offered via paid-subscription or paid-lifetime licensing.

Specialization: Critical across Construction Management, FEA-adjacent site analyses, Electrical/EDA planning for site drainage, CAM/3D-printing facility siting, Data Science for hydrologic modeling, Geotechnical engineering, CFD/hydrology coupling, Aerospace/Automotive facility design, CAE workflows, open-source AI data inputs, robotics simulation site assessments, scientific simulation, and numerical analysis libraries due to its streamlined hydrologic computations and interoperable outputs.