and even though i have put in comments on a number of projects in portrero hill, and pennsylvania where there's a kink in the transmission level, the planning department doesn't really seem to take into account the impact that construction could have and kind of building around these big pipelines. >> thank you. thank you, so much. next speaker, please? >> hello, my name is marilyn waterman and i'm a group of concerned neighbors in bruenel heights, regarding assessing the safety of a building around major gas transmission pipelines in san francisco. so i want to thank you for providing this forum. if we learn anything from this explosion, it's that these accidents are serious, they are potentially catastrophic and they need to be prevented via a high degree of caution and rigorous safety measures. these types of hearings are most welcome by our neighborhood and we look forward to your findings and thank you for uridyl jens. -- your diligence. those are my prepared remarks. i have a couple comments, i'm quite impressed by the response of the responders. it sounds like the emergency respo