If you want to re-use or copy an entire survey, go to the Settings tab on the far right of your survey page.
Click the 'Copy to a New Project Page' button
From the Copy Project dialog box, pick the "Destination Department" and write a new project name.
If you want responses to new survey to be stored with the original survey's data, then select the 'Re-use' button.
However, if you want the new survey's response data to be stored separately from the original survey, then select the 'Copy' button.
Your new survey is created!