Version 4.6.4d Full Install

Release Date


September 17, 2013

Installation and set-up

About Drainage Design Management System for Windows 4.6.4d


The Drainage Design Management System for Windows (DDMSW) program is a pre-processing tool for HEC-1 model. This new release implements the NSTPS iterative procedure to imported HEC-1 Input Data Files for computing and updating NSTPS parameters used for channel routing analysis involving RS Card. The new version also resolves the installation issue with 64-bit Windows 7 operating system.

New Feature of DDMSW 4.6.4d


This version includes a new capability to evaluate and update the NSTPS parameters in RS Card used for channel routing analysis for imported HEC-1 Input Files. Also, the new version fixes the installation issue with 64-bit Windows 7 operating system.