of the explosion. ktvu consumer editor tom vacar is live now in san bruno with the steps pg & e took today to ensure its pipes are safe, tom. >> reporter: i'm in san bruno and to prevent something like that happening here or a fire such as we had in cupertino last week, the pipe replacement program has been stepped up. it's a pain staking big money door to door effort to replace millions of the street mains and feeder lines throughout pg & e service area. >> cast iron pipes have a tendency of cracking during earthquakes. we have a goal of replacing 100 miles of old pipes. we're 90% complete. >> it's made my uncomfortable just the noise and construction. i can't help but think about the things that have happened in the past. >> reporter: but last week's fire added 1,200 more miles of

by the end of the school year. rob roth is live now in san pablo where teachers and parents are mobilizing to try to save it. rob-- >> reporter: we're at wake elementary school where parents have been passing out this flier urging the community to come to tomorrow's school board meeting and fight to keep the school open. >> do you agree with? >> reporter: these students studied math today, their parents were worried about other numbers. many apartments parents can walk their children here, and want to continue doing so. >> it's right in our community. why would you take it away if it's right in our community. >> we don't want to see that collaborative initiative being shut down. >> reporter: the city of san pablo road to the rescue and contributed $300,000 to keep