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Originally posted by keithm
Was the Massive Explosion in San Bruno a Meteorite Impact Event?
(09-11) 16:37 PDT San Bruno -- At least five people are missing after the fiery natural gas explosion Thursday that killed four people and left a San Bruno neighborhood in flames.
Mayor Jim Ruane told reporters at a news conference this morning that police have now determined that two residents of the Crestmoor neighborhood remain unaccounted for. Police officials added three more to that number this afternoon.
Meanwhile, there were mixed reports on how people have been killed. The Associated Press reported that two more bodies had been found for a total of six deaths. But San Mateo County Coroner's officials insisted that only four deaths have been confirmed.
(09-11) 23:18 PDT -- At least seven are dead and six missing following a massive explosion in San Bruno Thursday evening, according to police.
Specially trained dogs this evening found three victims, bringing the total to seven fatalities of the explosion, which happened at about 6:15 p.m. Thursday evening near Skyline Boulevard and San Bruno Avenue.
"Our hearts go out to the victims of this tragedy," San Bruno police Chief Neil Telford said in a statement.
Originally posted by berkeleygal
My take on it all.
What clinched it for me was the reports of gas fumes noticed by many of the residents up to 3 weeks ago. PG&E was called out and nothing was done.
PG&E will pay, they are doing a lot already. But I say, be vigilant folks! Who knows what conditions are in the pipelines under your street. Smell gas? REPORT it, report it as many times as you have to.
Originally posted by berkeleygal
My take on it all.
What clinched it for me was the reports of gas fumes noticed by many of the residents up to 3 weeks ago. PG&E was called out and nothing was done.
PG&E will pay, they are doing a lot already. But I say, be vigilant folks! Who knows what conditions are in the pipelines under your street. Smell gas? REPORT it, report it as many times as you have to.
Link
Existing state and federal regulations determine whether or not a gathering or transmission pipeline should include odorant In some cases, depending on the intended use of the gas, it is not possible to add odorant to a pipeline.
Originally posted by dragnet53
reply to post by Three_moons
Fireballs have been increasing a lot lately these past few years since 2009. I bet it was that fireball that crashed into that gas pipeline.
We have been discussing it in the 2012 forum.
In one potentially significant area for investigators, records surfaced Saturday showing that two years ago, the San Bruno City Council hired a construction company to replace underground sewer lines in the same area as the the pipeline that exploded.
Work to replace 1,670 feet of aging sewer pipes crossed the gas pipeline at the intersection where the explosion occurred.
To avoid the disruption of digging trenches in the street, the contractor used a method called "pipe bursting."
Crews pulled a large cone-shaped device through the aging 6-inch sewer pipes, shattering them and replacing them by pulling a new 10-inch polyethylene sewer pipe in behind them. The technique can cause ground shaking and disruption of adjacent soil and rock.
PG&E spokeswoman Geisha Williams, asked by a resident Saturday at the town hall meeting about whether the sewer work could have damaged the natural gas line, said PG&E inspected the gas line before and after the sewer work and found no problems.
But a representative of the California Public Utilities Commission told the Mercury News that large transmission pipes, which move gas at high pressures, can be at risk of failure if they are damaged, even in relatively small ways.