HY8:Contact

Contacting FHWA

v • e HY-8
Introduction:	Getting Started • Layout • Vena Contracta • Building a Project • Locate Project • Culvert Crossing Data • Run Analysis • Report Generation
Crossing and Culvert Data:	Crossings • Discharge Data • Roadway Data • Tailwater Data • Irregular Channel • Culvert Data • Site Data • Culvert Invert Data • Embankment Toe Data
Analysis	Project Units • Roadway Overtopping • Inlet Control Computations • Outlet Control Computations • Tables and Plots
Energy Dissipation	Scour Hole Geometry • Increased Resistance • Tumbling Flow • USBR Type IX Baffled Apron • Drop Structures • Stilling Basins • Streambed Level Structures
Methods	Aquatic Organism Passage • Low Flow Hydraulics
Troubleshooting	Differences from DOS HY-8 • Limitations • HY-8 User Manual