Precasters perform dangerous life threatening tasks every day. Each day we get a little more comfortable standing near a 56,000 lb. piece of box culvert suspended in the air or standing next to a 17,000 lb. transport bucket holding freshly mixed concrete ready to empty into a form you are standing next to. Why is it that we take lifting so lightly? You have your material certifications and safe working loads (SWL) for your lifting anchors. The SWL far exceeds your products weight and there is an additional 4:1 built-in safety factor.
Read more here: http://www.ericbarger.me/technical-writing/technical/box-culvert-lift-pin.html
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