Abstract
Clifford's Tower has graced York's skyline for nearly 800 years, and has now been reopened by English Heritage as a fully restored, technology-enhanced ruin. This current project was to preserve and protect the ruins, particularly vulnerable parts like the upper Tower walls, and provide a more valuable public resource. The solution was an innovative free-standing timber deck from which steel walkways were suspended at mid-floor height. The deck protects the very top of the walls without placing any strain on them. The weight of the deck - and the 150 people that can be on it at any one time - is carried by the four wooden columns. These are made of Glulam - wood laminate glued together under heat and pressure to provide an incredibly strong, and environmentally beneficial, alternative to steel.
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