DR 18-2011, General Duties And Responsibilities Of Geotechnical Engineers, will supersede Director’s Rule 33-2006. The purpose of this rule is to define the department’s requirements for geotechnical engineers who are hired by permit applicants to analyze surface and subsurface conditions on a site. Comments regarding this rule must be submitted to Susan Chang, susan.chang@seattle.gov, by 5:00 p.m. on November 8, 2011.