On the assumptions form, there is an option to Restore defaults. What happens if the default assumptions are restored?
The Visual Water Designer software is shipped with a variety of assumptions that are used in various calculations throughout the software. The user may change any of these assumptions at any time. If it is desired to revert back to the original assumption values shipped with the software, this option will allow the user to restore those values. Note that once this is done, any changes that were saved in the assumptions database will be lost.