Examination of a Catastrophic Tower Failure and the Design, Fabrication, and Erection of the New Replacement Structure

vor 18 Jahren

Tom Silliman (Electronics Research, Inc.), Ernie Jones (Electronics Research, Inc.)

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The Iowa DTV Symposium has burgeoned into a premier Midwestern digital television conference, drawing media professionals from across the nation. As the conference's reputation has grown, so has the caliber of its speakers, focusing not only on the tim...

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vor 18 Jahren

This paper will examine the factors that lead to the catastrophic collapse of Mountain Lake PBS's 400-foot tower on Lyons Mountain, outside Plattsburgh, New York. The paper will describe the nature of the original tower failure and the application of the new TIA/EIA standards for design and the application of the new construction standards to the design and erection of the new replacement tower. The paper will examine the planning and execution of the helicopter lifts used in the construction of the new tower as well as the logistics, planning, and execution of the design and fabrication process to accommodate the very short time frame available to manufacture and erect the tower. The paper will reference both past and current design standards, where appropriate.