First & Goal, Paul Allens Holding Company, and the Construction Manager, Turner Construction Company (TCC), retaining the services of Loizeaux Group International to consider the demolition options for the removal of the Kingdome, the worlds largest thin-shelled concrete dome, covering a 660 clear span. After more than a year and a half of structural analysis, investigation of site conditions/adjacent improvements to remain and consideration of all of the political and public relations aspects of the project, an implosion solution was considered to be the best and safest means of demolishing the structure. TCC negotiated with Controlled Demolition, Inc. (CDI) to design the implosion of the Kingdome in a fashion which would mitigate the demolitions impact on the community while supporting the fast-track construction of the replacement stadium for the Seattle Seahawks. CDI spent 4-½ months designing the demolition and working with TCC to generate implosion preparation and demolition specifications which TCC put out to competitive bid to a short-listed group of demolition contractors. Ultimately, a $9 million demolition contract was awarded to Aman Environmental Construction, Inc. (Aman) of Oakland, California who acted as the Prime Demolition Contractor with CDIs implosion contract with TCC being assigned to them. The greatest technical challenge of the Kingdome Project was to control vibration generated by the fall of 125000 tons of concrete debris onto a reclaimed section ...
http://www.youtube.com/watch?v=mjI_RoAMAg8&hl=en
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