Federal investigators are announcing the first findings of a college gas explosion

The National Transportation Safety Board issued its first report on Wednesday after a gas pipeline explosion at a college killed a man and his 14-year-old daughter.

Related: A father, daughter were killed and a woman was severely burned after a college gas line explosion

NSB investigators reported that a natural gas pipeline was torn down 120 miles from the journalist’s rural farm around 5:30 a.m. on August 15 in the small town of Pin County, south of Phoenix.

Authorities said the blast was heard for several miles and that the blaze had been burning for more than 2 hours, and investigators said a 46-foot-long pipeline had been extinguished during the blast.

According to NTSB, the broken and undamaged parts of the pipeline are still being analyzed and investigated, and the agency is investigating the explosion.

Pipeline expert evaluates

As the investigation progressed, Don Daver, a pipeline expert working on the case, said.

“What happened was that the gas pipe was broken into two parts, and the 40-foot section was torn down, so they had two parts going up and down at the speed of sound, 1,400 feet per second, and all that gas was coming and creating a big cloud, almost, Natural gas is expanding and expanding. In time, he moved into his home.

Just before the explosion, the NTSB said the pipeline’s gas pressure was below the maximum operating pressure allowed.

Deaver said the pipeline was not designed for natural gas and, according to NTSB, the pipeline was first installed in 1985, and had previously transported crude oil. Officials say the pipeline was converted into a natural gas service about 20 years ago and in 2012 by Kinder Morgan Inc.

“Natural gas is much more dangerous than crude oil. Crude oil is environmentally friendly, but this pipeline does not seem to be designed for this distribution and control, and that is why you have that big well and you are huge. Class was thrown, 46 feet out, ”said Daver.

We have reached Kindergarten to comment, but company officials have not yet responded.

The Associated Press (AP) contributed to this report.

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