next to him is david brig, regional and local water system manager for the san francisco public utilities commission and finally but not least, romel an jell lus, manager for san francisco wireless. i have drafted several questions for our panel to answer and will hopefully have time at the end to take questions from the audience. before we start our panel discussion, i wanted it share with you what we are doing in san francisco to advance our lifeline's resilence we are the first major u.s. city to (inaudible) post katrina where he saw firsthand where a critical role these systems played in the city's recovery. i am honored to chair the council because i feel it's crucial that the public sector work side by side with our private sector partners to do everything we can today to ensure we will meet the needs of our residents in the days, weeks and years after a disaster. the objective of the lifeline council are to develop and improve collaboration in the city and county across regions regularly -- to develop and improve collaboration in the city and across the region by regularly convenin

. >> reporter: david brigs manages the water pipes for san francisco water and power. >> all our toolss, proceed yours are usually geared around our typical pipe sizes we will have to adapt to that. >> reporter: in all, san francisco alone has some 1200 miles of pipes, bringing it to the city and county. >> we will start looking at those critical pipelines, where water is going to a hospital or watt certificate going to the financial district or a large neighbourhood. >> reporter: the city will start experimenting with the new pipe in a 1 to 2-mile pilot project in 1 to 2 year ifs all goes according to plan it may begin replacing far greater sections of pipe, to avoid one of those history repeats itself moments. >>> family and friends held a vigil outside high land hospital for a teenage patient fighting for his life. 17-year-old isaac johnson has been hospitalized since last weekend, he was shot a week ago on the corner of 61st and add line streets in oakland the group held hands and prayed outside the hospital. we talked with isaac's mother outside the hospital who said her son was a

. >> reporter: david brigs manages the water pipes for san francisco water and power. >> all our toolsods, proceed yours are usually geared around our typical pipe sizes we will have to adapt to that. >> reporter: in all, san francisco alone has some 1200 miles of pipes, bringing it to the city and county. >> we will start looking at those critical pipelines, where water is going to a hospital or watt certificate going to the financial district or a large neighbourhood. >> reporter: the city will start experimenting with the new pipe in a 1 to 2-mile pilot project in 1 to 2 year ifs all goes according to plan it may begin replacing far greater sections of pipe, to avoid one of those history repeats itself moments. >>> family and friends held a vigil outside high land hospital for a teenage patient fighting for his life. 17-year-old isaac johnson has been hospitalized since last weekend, he was shot a week ago on the corner of 61st and add line streets in oakland the group held hands and prayed outside the hospital. we talked with isaac's mother outside the hospital who said her son was