recommendations and summaries are available here and will be postponed online at one san francisco.org/resilience/sf's a pioneering effort by the city of san francisco is the first of its kind in this nation. and it represents 14 months of city wide collaboration with the san francisco tall building stock. having this information available is a huge step forward and our ability to think collectively and proactively as a city about the seismic safety and the resilience of our tall buildings in the implications of their surround be neighborhoods. here today, we have with -- we just came from a tall building panel discussion and discuss our strategies with us today is professor greg deerloin and a member of the applied technology council. he is an author of the study many of we also have mary ellen carole the director of the department of emergency management and angus carty and oohed like to bring up professor to discuss a little bit about the recommendations in this report. >> thank you. i've been working on a team with the applied technology council with the team of other academics and technical eng