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Products from Hydroism

Focused tools for complex water decisions.

A growing product studio for engineering applications that make geospatial analysis, hydrology, review, and technical delivery more accessible—without hiding the engineering logic.

Each Hydroism application is built around a bounded engineering problem, a traceable calculation path, and outputs that remain open to professional review.

Product 01 · Hosted web applicationRoaDRain

Road + Watershed

RoaDRain

AI-assisted road drainage and watershed hydrology.

RoaDRain brings road-corridor screening and independent watershed analysis into one browser-based engineering workspace.

  • Road Drainage and Watershed Hydrology modules
  • Terrain, rainfall, runoff, GIS, and review workflows
  • Portable .rdn and .hdn projects
  • Maps, reports, spreadsheets, charts, and GIS outputs
Culvert Outlet Protection product mark
Product 02 · Live engineering toolv3.1

Culvert + Energy dissipation

Culvert Outlet Protection

Design the hydraulic path after the culvert—not just the barrel.

Turn culvert-outlet flow into a defensible protection train: stepped chute, basin, terminal sill, flexible lining, and a controlled transition back to the natural channel.

  • Specific energy, Froude number, conjugate depth, and jump-length checks
  • Tailwater and terminal-sill overflow control
  • HEC-14, HEC-15, and HDS-5 application-limit guidance
  • Dimensionally proportional schematic and editable DOCX report
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Product approach

Software that supports judgement instead of replacing it.

Hydroism products are developed as engineering instruments: clear about their inputs, careful about their limits, and designed for qualified review.

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Engineering-specific

Built around real hydrology, hydraulics, GIS, and review workflows—not a generic dashboard.

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Transparent by design

Sources, assumptions, methods, uncertainty, and professional judgement remain visible.

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Browser-first

Complex workflows become easier to reach, use, save, and continue without a desktop installation.

A focused product family

From catchment to culvert—and from culvert to the natural channel.

RoaDRain supports road-drainage and watershed decisions. Culvert Outlet Protection continues the hydraulic story downstream, where concentrated discharge can threaten the embankment, outlet, and road.

Explore Hydroism

Engineering practice, products, and stories in one place.