dependancy study earlier this year. this will benefit all our operators as well as the region's businesses and residents. first we want to build on an understanding of all of our existing system interdependancies and the consequences of existing conditions to help expedite sppbs and restoration planning among agencies. with this we will also identify the key assets and respiration of priority schemes to prioritize and restoring and rebuilding our city and ultimately the region after such an earthquake. we will then work to develop a set of life line expectation under current systems and standards developed over the next decade. you can imagine as you see from the slide behind me this visualization of a complex network of interdependancies that exist among a wide variety of life lines we count on every day. for example, a crucial role is communications will play in helping the life lines cooperate opt mately while disaster is captured in the dark blue grid on the left. additionally the mission critical need to have acces