Ground Improvement Committee Document – Comment Period

The September 16, 2016 deadline for comments is approaching quickly:

After nearly 6 months of effort, the Ground Improvement Committee is pleased to announce a commentary guidance document has been prepared.

These commentary guidelines are the result of a request to evaluate common approaches for ground improvement design as it relates to the use of ground improvement to mitigate against liquefaction and/or improve Site Class.  The purpose of the document is to provide commentary guidelines that address concerns regarding the disparity of approaches for ground improvement design and design recommendations submitted to the City of Seattle Department of Construction and Inspections (SDCI) and other code enforcement organizations in support of construction permit applications.

This announcement marks the beginning of a comment period that ends September 16,, 2016.  The ground improvement committee and the ASCE board respectfully request you review the document and send any comments you may have to Mark Rohrbach at  To the extent possible, it would be greatly appreciated that companies pool their comments into a single consistent document.

GI commentary guidelines – draft for public comment