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This page contains links to files we are making available for downloading. All file sizes are approximate.

Click here to download DrainsSetup.exe (9MB). After downloading, shut down DRAINS if it is running, then run this file to install DRAINS.You can download the DRAINS program to update an existing installation or to try out the demo version. The demo version is exactly the same as the full version except that it is limited to a maximum of 5 pipes or channels and 1 irregular channel. You will need a password to update an existing full installation. DRAINS runs under Windows 98 through Windows 7.
Click here to download a guide to DRAINS Part 1 - Standard Hydraulic Model.
Click here to download a guide to DRAINS Part 2 - Premium Hydraulic Model.
Click here to download the full DRAINS User Manual. You will need Acrobat Reader version 4 or later to read this document.

here to download now (2.5 MB).You can download the PIPES program to update an existing installation or to try out the demo version. The demo version is exactly the same as the full version except that it is limited to a maximum of 5 pipes. You will need a password to update an existing full installation. PIPES requires Windows (Windows 98 to Windows 7). After downloading run the file Pipes_SEF.exe to install the program.
Click

, 2011.You can download the PIPES++ program to update an existing installation or to try out the demo version. The demo version is exactly the same as the full version except that it is limited to a maximum of 5 pipes. You will need a password to update an existing full installation. After downloading run the file PPP_Sef.exe to install the program under Windows (Windows 98 to Windows 7).
Click here to download now (3.3 MB).
Last updated: May 18th

here to download now (165 KB).This is the full user manual for the PIPES program.
Click
This is the full user manual for the PIPES++ program.
Click here to download now (658 KB).

Click here to download Hardlock and Rockey dongle drivers and other utilities.
