Disclaimer: As with any engineering software, use of this program, or the information in documentation provided, is not a replacement for a professional engineering evaluation of resulting designs. This software is meant to function as a calculation utility to aid in hydraulic design and is in no way a replacement for a thorough engineering review. A professional engineer, licensed in the appropriate field of engineering, should always conduct the final evaluation of the application. And that individual, not Rainwater Management Solutions or its employees and representatives, is responsible for the final engineering design and performance of the application at hand. This software is supplied "as is" and Rainwater Management Solutions specifically excludes warranties, expressed or implied, as to the accuracy of the data generated by the use of this program and does not assume liability for any losses or damage resulting from the use of this program or the information supplied with it. Rainwater Management Solutions does not warrant, guarantee, or make any representations regarding the use, or the results of use, of this software or accompanying information in the terms of its accuracy, validity, completeness, applicability, or compliance with any regulatory code or governmental laws and regulations. Use of this software and information involves some risks, and the entire risk as to the results and performance of the software and accompanying information is your own responsibility and liability. SiphoniTec® Software User Agreement: This software is intended only for distribution and use within the United States or Canada. If you are attempting to download the software from or for use in another country, you will need to contact our International Sales Department. Rainfall Amount Tables vary by Region, users will need to ensure they have the proper Rainfall Amount Table.