Mayflower (KATV) - New research shows a door of a Mayflower safe room wasn't built to proper standards, costing one woman her life. Scientists at Texas Tech University examined the door to figure out how it malfunctioned in hopes to save lives in the future. Researchers determined an unknown piece of debris hit the door, causing the dead bolt to fail resulting in the door to forcefully swing open. The report also says the door, door frame, and hardware were not intended for tornado safe rooms. Inside the door of that safe room was 80-year-old Donald Greer and his wife Helen. Helen didn't survive the storm. Since then, underground storm shelters have started showing up in the back yards of River Plantation homes. "It's worth it," said Josh Hunt as he cleans the remaining debris from his Mayflower home. Several River Plantation residents have already installed their underground shelter. Residents say the underground shelters cost around $3,500 with the capacity to hold 10-15 people. "They are expensive," said John Robinson from the National Weather Service. "The doors cost about $2,000 a piece on average and most home owner will say 'well don't you have something cheaper?' well, yes there are cheaper doors but they won't meet the standard. And that standard is tested at 250 miles an hour." Robinson said those considering an above ground safe room or underground storm shelter shouldn't compare the cost, but the construction. Robinson said a storm shelter manufacture can't be FEMA approved, but can meet the FEMA standard, and that's what a buyer should look for. CLICK HERE FOR FEMA'S GUIDE TO BUILDING A SAFE ROOM: http://www.fema.gov/media-library-data/20130726-1454-20490-8914/fema_p_320.pdf
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