By Rielle Creighton

COCONUT GROVE (CBSMiami) — Hundreds of people are back home in Coconut Grove Thursday after being forced out of their homes by a propane tank leak. The residents were evacuated Wednesday as Miami Fire Rescue crews dealt with capping the leak and a burn off.

Crews were back again Thursday to oversee as a contractor burned off any remaining trace of gas and filled the tank with water.

Residents were told they could return to their homes around 10:00 p.m. Wednesday.

(CBS4)

The leak came from a faulty pressure release valve on the tank, rumored to be 20 years old and which the property owner had no idea was even in the ground, according to Fire Chief Joseph Zahralban.

“This could have been a very dangerous situation,” he said. “Not knowing the integrity of the tank, not knowing the history of the tank, recognizing the age of the tank we were working with something that was a relative unknown.”

Fire crews spent hours burning off the propane and by 10 pm, they had replaced the valve and drained the vast majority of the tank.

“99.9 percent of the product has been burned off,” he said.

(CBS4)

Zahralban said fire crews would check the evacuated buildings for signs of gas and, barring any problems, allow weary residents back home. For many it was a stressful day.

A resident named Ziggy; she did not provide her last name, said she smelled propane gas Wednesday morning and called 911.

“We started pounding on everybody doors, getting everybody out,” she said. “I called 911 and just make sure everybody got their pets out.”

People waited for hours in the heat and watched as fire crews burned off the propane and tried to replace a faulty pressure release valve that allowed the propane gas to continuously escape the tank.

Many feared a similar situation that unfolded over the weekend in Plantation.

“Of course everyone is concerned with what we saw in Plantation so there were a lot of people from the building with their kids, dogs and pets and can’t get back into the building,” said Sandra Speier.

Gas leak forces evacuations in Coconut Grove

Gas leak forces evacuations in Coconut Grove (CBS4)

Some people were taken to a Fire Training Center to get out of the heat, relax and get some food.

Zahralban said propane gas is heavier than air and if it found an ignition source that could have caused a major explosion.

“We could not risk propane vapor escaping into the area,” he said. “That was a risk we could not take.”

The tank remains in the ground. Fire rescue crews are going back to the scene Thursday to check on a contractor removing any trace amounts of gas and then filling the tank with water. They’ll also make sure the property owner makes arrangements to remove the tank.

Fire Captain Ignatius Carroll told CBS4 News Thursday morning  there is no longer a threat, but they didn’t when the tank was placed there and it hadn’t been inspected.

Sonia Saguientti waited until late Thursday morning to return home despite the all clear being given on Wednesday night. “It was really scary,” she said.”

“It’s a shock because of what happened in Plantation, which had not the same kind of problem but everybody is just scared stiff, I mean my whole body is not the same as it was yesterday, I’m unnerved.”

Saguinetti said the tanks should have removed when they were no longer necessary, she wonders how many others are out there.

Rielle Creighton

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