Hydraulic Design Software

FHWA's new WinHY-8 Culvert Analysis/Design software
The new software may be downloaded free at the following location:
http://www.fhwa.dot.gov/engineering/hydraulics/software/hy8/
Be sure to view the Distribution Memo and view and/or download the
"Quick Start Guide" also available at the same location.
U.S. Army Corps of Engineers HEC-RAS Version 4.0
This newest version may be downloaded at the following location:
http://www.hec.usace.army.mil/software/hec-ras/hecras-download.html
Be sure to download the accompanying Release Notes, User’s Manual,
Applications Guide, & Hydraulics Reference Manual as all have to changed to reflect Version 4.0.

U.S. Army Corps of Engineers HEC-HMS Version 3.2
This newest version may be downloaded at the following location:
http://www.hec.usace.army.mil/software/hec-hms/download.html.
Be sure to download the accompanying documentation as most has been changed to reflect Version 3.2.
U.S. Geological Survey’s NSS
This replaces their NFF package for performing peak discharge calculations for un-gaged streams.
It includes the latest rural regression equations for Virginia. This can be downloaded from the following location: http://water.usgs.gov/software/NSS/. Be sure to download the accompanying Microsoft
ACCESS data base which is required to run NSS. A user manual for the new software is also available.

Hydrologic/Hydraulic Engineering Microcomputer Software In Use By The Department
Revised 05/07/2009

Page last modified: July 5, 2007