b'THE OFFICIAL NFBA MAGAZINEAN ARGUMENT FOR FULLY ENGINEERED POST-FRAME BUILDINGS RESEARCH & TECHNOLOGYByDavid Bohnhoff, PE, PhDUniversity of WisconsinO n December 16, 2010, I met 66-yearEngineering gone missing old dairy farmer Cyril Myren. He wasI was meeting with Cyril just sitting in an armchair in his house. Heafter I had inspected his partially could barely move. Four days earlier he sufferedcollapsed building. I explained to two cracked ribs and lots of bruising when ahim his building had several major weaknesses portion of his two-year old post-frame dairydue to a lack of engineering. Cyrils response was freestall barn collapsed on top of him.one of frustration and anger. He truly believed Cyrils son Todd, 33, received a gash in thehe had purchased a properly engineered back of the head and other injuries in the samebuilding. collapse. Both were working to get animals outA properly engineered building in Cyrils mind of a portion of the building that had alreadyis what I refer to as a fully engineered building. collapsed when additional building bays cameA fully engineered building is developed by down on top of them. Todd was trapped untilfollowing three structural design steps. Step 1: freed by police and fire department personnel.Calculate all loads and load combinations to Hed lost a considerable amount of blood. Inwhich the building will be subjected. Step 2: Cyrils words, they were both lucky to be alive.Determine how loads from Step 1 are distributed Some of their animals were not as fortunate.to building elements (this step is known as 28 / FRAME BUILDER - VOL6 5'