Ground Improvement Committee Document – Final Document

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.

GI commentary guidelines – Approved & Final