This survey is sponsored by Deep Foundations Institute (DFI). Based on the results from this survey a comprehensive State-of-the-Art Paper delineating the current practices, design and installation of helical piles and tiebacks will be prepared and published by DFI in the Spring of 2014.


Your participation is important and will provide valuable information to ensure a complete and useful project.  The survey will take about 15 to 20 minutes to complete. We have extended the survey deadline; please submit your response by October 1, 2013.


Please forward this survey to any individuals you feel could also respond, or please provide their email addresses at the end of the survey so we can send the survey to them directly.  Thank you.