people out there, but we re not running into them yet. reporter: they tell homeowners to be aware, and ask to see every contractor s license. it proves the contractor has experience and has gone through a criminal background check. a lot of times people don t have licenses, they know they will never be able to passion. you have people convicted of fraud out here doing this work. everything you can imagine just burned. servpro is one of the comp y companies hired by pg&e to go through the houses and remove dangerous chemicals that could cause respiratory problems. right here where we are, we re in the lowest location, everything is going to run this way if it rains. reporter: now, city planning and building officials have come up with a rough estimate of $38 million in property damage caused by this explosion that is just a rough estimate. some say just looking at those homeowners sifting through what used to be their belongings in their homes, how do you put a pri
pg&e said that this line ranked in the top 100 highest risk line sections, that it had a high risk and likelihood of failure and that it had the potential impact radius of 415 feet located in a heavily urbanized area. the ntsb says it is aware of this document but it also says that the part that the document is talking about, the risky part of the line is about two miles north of where the explosion took place, not in the same place where the explosion happened. the notice will be around for a few more days and says the result of its investigation could take months, according to the ntsb. out of sight out of mind. they are underground. you don t see them. it s very easy to have a sense of security there. reporter: he does research at berkeley s center for catastrophic risk management. he says the cause of most pipeline explosions can be traced back to what he calls third party excavation, a water or cable or some other company digging in the vicinity of the pipeline. take
efficiencies. the quarterback rating alex smith 52.5, fairly dismatt. mass hasselbeck on the other side of the coin, 108.3, that s a qb rating. monday, this might be the most depressing part of all of this. monday night football, national tv, the niners hosting drew brees and the super bowl champion new orleans saints. one more time, a lot of issues, a lot of communication issues, getting the plays in late. alex smith said the technical headset issues weren t the primary cause. it was the plays getting late into them. if you re just joining us. akio spike was scheduled to be here, but michael singletary has scheduled a meeting add headquarters. we love our football, we love our baseball and basketball, but this is a pro football market. this was a tough sunday. that means when we go to work or school tomorrow, it will be a tough monday. that leads us to the raiders. not much better. raiders in nashville. doesn t deserve this. 81 years old, seemingly al davis did all the rig
leaks in natural gas lines, starting with high pressure lines where people live. regulators said the company budgets for pipeline safety and replacement and how much the utility actually spends. meantime investigators are zeroing in on the section of pipeline that fail, trying to determine how and why the 30 main exploded. the blast left a huge crater in the neighborhood, a hole authorities still have not been able to inspect due to safety concern. ktvu s maureen naylor in san bruno with late details. maureen. reporter: kents official death count stands at four people with four others still missing. crews are still on the scene. this road remains blocked this hour and the ntsb says it could be another day were to before it completes its onsite investigation and since pg&e started to hand over its first documents today. this family walked into think san bruno foam home for the first time in three days and found their dinner from thursday night still on the counter. we le
interesting being asked to expla it s proceed ocedures. alan: carolyn i the days ahead we re going to be hearing a lot about line 132. that gasline that exploded. now ntsb investigators are turning their focus on the anatomy of this explosion. today they removed that 28-foot section of pipe that flew about 100 feet and landed in the street. investigatorslso cut off the two ended of the pipe to examine the immense force that ripped the metal apart. the crater is more than half the length of a financial football field. it holds a lot of answers like ound stability and pipe fatigue. investigators arenterested in hearing from resides who can tell them when and where they smelled gas prior to the explosion, and they want to know about the area around the pipe. anybody who has reports of dead vegetation. one of the symptoms of a gas leak is that the vegetation dies. if we have reports of dead vegetation, we woul like to he about that as well. alan: investigators also ar l