This 117 page report is available to our dealer network. This structural analysis report is an extremely in depth analysis on the Granger ISS Storm Shelter, it's ability to stay in the ground without an anchoring system, ground pressure analysis, hydrostatic pressure analysis and more. Second, data on cautions listened to, protective. Initially, spatial analysis may not accurately reflect the precise place of death or tornado-relatedness due to geocoding limitations, tornado track overlap, and also factor, the revealed populace as well as prices were not approximated or computed. In effort to produce the highest quality underground storm shelter, Granger Plastics Company had a 3rd party engineering firm perform structural analysis by a licensed P.E. Underground Storm Shelters Colleyville Texas. Video of the Granger ISS Tornado Shelter Door FEMA 320 & ICC-500 testing 3rd Party Structural Analysis Granger ISS Tornado Shelter Door after (6) ImpactsĬlick the image above to read the 2 page Test Results summary from the Granger ISS Storm Shelter testing report from Texas Tech University's Wind Science & Engineering Research Center. Series 2 Granger ISS Tornado Shelter Door FEMA 320 & ICC-500 testing View the reports and images for more details. The underground shelter door meets or exceeds FEMA 320 and ICC-500 Shelter Standards. The images and the reports below are the results of the Texas Tech Wind Secience & Engineering Research Center Debris Impact Facility's testing on the Granger ISS Storm Shelter door. Texas Tech Wind Science & engineering Research Center Debris Impact Test Facility Information Multi-layer composite Door Texas Tech FEMA 320 and FEMA 361 Watch the clips below as Granger takes a heavily weighted 2 x 4 and drops it from tall heights against single layer components. The clip below is from the beginning stages of development as Granger repeated a number of destructive tests to simulate projectiles and tornado debris, as reconstructed inside of a testing center, such as Texas Tech University's Wind Science Engineering Center. All orders now come standard with the multi-layer composite storm shelter door.Īfter successfully designing & producing the first (2) Aluminum doors to ever exceed FEMA 320 standards for underground shelters, Granger Plastics opted to design & test a multi-layer composite door. successfully completes the FEMA 320 debris impact testing at the University of Texas Tech Wind Science Labs! This door has since been re-designed, re-innovated and re-tested at Texas Tech Wind Science & Engineering Research Center. Watch as the 2nd designed & produced Storm Shelter door by Granger Industries, Inc. Iowa Storm Shelter Research About World Class Engineering, Design and Manufacturing of the Granger ISS Storm Shelters Granger ISS Tornado Shelter Aluminum Door
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