also supported by rachel tanner the director of city wide planning, issues relating how the planning department views. we have other members of the port waterfront resiliency team and grateful for representatives from smta, puc and office of resilience and capital planning, planning department, public works and transportation authority to answer questions from the committee should you have them about our interdepartmental collaboration and critical city infrastructures implemented by the plan. i'll hand it off to mr. harper. >> good afternoon. thank you. appreciate you letting me participate today. i'll give you a little bit of perspective from the corp of engineers before brad takes over and speaks to some of the elements of the plan that our team developed. the agenda, talk about floods, flood stud a, the risks enhancements and couple slides on process and then get into the draft plan. some of the details there as well as next step for the study process. to speak to the flood study, what is the flood study? this is a flood study looking at coastal flood risk and primarily driven by