9 tools for AEC work, all in your browser.

Proposal audits, hydrology, floodplain, stormwater, drafting and geotechnical deliverables. Nothing to install. USDA HSG, C-Calculator and Time of Concentration are free with an account.

Compliance auditing

Design-Build Studio

Check a VDOT Design-Build SOQ or Technical Proposal before you submit.

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Soils

USDA HSG

USDA soils with Hydrologic Soil Group filled in, for any U.S. county.

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Hydrology

CN Studio

Weighted Curve Numbers, with basins and Tc worked out from terrain.

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Hydrology

C-Calculator

A composite Rational Method C value from your boundary and land use.

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Hydrology

Time of Concentration

TR-55 time of concentration with a clean PDF report in seconds.

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Drafting

Drainage-CADD Studio

Drainage callouts and storm sewer profiles, straight from an OpenRoads export.

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Floodplain

Floodway Studio

A preliminary HEC-RAS floodway, optimized while you wait.

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Stormwater

Pond Studio

Design a wet pond and route storms through its outlet, end to end.

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Geotechnical

Geotech Studio

Fence diagrams, AGS4 and boring logs from one upload.

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Need something the tools don't do?

We also take on QA/QC, data science, geospatial and automation projects.