HOME GALLERY Disaster Drill
Posted April 12, 2010 Neenah Wisconsin :: April 9, 2010
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Department of Homeland Security Regional Disaster Training Exercise

Two of the deck "T's" have tipped off the column supports. One on its side, and the other which can't be seen from this angle, is laying on top of the cars. The 8' wide and 60' long concrete "T's" were estimated to be around 10 tons each, therefore, a 90 ton crane was dispatched from Dawes Rigging & Crane Rental to assist. An on-site structural engineer calculated the floor T's to weigh 24-26 tons. The lesson learned is that precious time and likely lost lives could have been avoided with knowing actual weights, structure height, radius, landing zone, obstructions, etc., prior to mobilizing heavy lift equipment as well as the proper rigging. Lifting a 60' T on its side is unsafe and likely to break mid-point. T's are structurally pre-stressed concrete and must be lifted from the ends — upright. Training exercises identify factors and situations which must be considered should a real-life live disaster occur. It's a matter of life and death.


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