. Duerr currently serves as vice chair of the American Society of Mechanical Engineers (ASME) BTH Standards Committee, Design of Below-the-Hook Lifting Devices, as a member... degree in civil engineering, and is a licensed professional engineer in seventeen states. He is a member of the American Society of Civil Engineers, the American Society... of Mechanical Engineers, the Society of Automotive Engineers, and the American Council of Engineering Companies. He is listed in a number of biographical references, including Who's Who...

by engineers in the construction industry to design and analyze timber crane mats. The following companies have generously provided assistance in this study to date: American Mat & Timber Co...