NCPI Toolbox 2013

NCPI Toolbox is a group of three NCPI-developed programs that provide engineers tools for calculating Trench Load, Hydraulic Flow and Leastcost.

Trench Load is a design program incorporating Marston's equations for soil loads on rigid conduits and the latest ASTM requirements.

Hyflow utilizes Manning's open channel flow equations to determine hydraulic solutions. By entering the desired flow rate and slope, the recommended pipe diameter with depth of flow is instantly displayed.

Leastcost uses historic inflation and interest rates together with life cycle analysis to provide an equitable cost comparison between various materials options over the service life of an installation. 

Thank you for your interest in this package of design tools provided by the National Clay Pipe Institute. To comment or ask questions about these tools, click here.

NCPI Toolbox 2013 is compatible with mobile phones and tablets.  This ensures availability in the field as well as at the office!  There is nothing to download or install, simply run in any JavaScript enabled browser any time, anywhere!


The NCPI Toolbox is only available to registed users of Registering is free and can be done on using our registration form. If you are already registered, you can login to download the software