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Tuesday, January 6, 2015

Candlestick demolition: implosion vs dismantle

Lennar Corp held a meeting last night to address community concerns over their proposal to implode Candlestick versus a slower dismantling of the old stadium.


There is continued distrust of Lennar within the community, and so it is reasonable for people to be asking about the safety of implosion. There is peer-reviewd scientific literature on the subject that points to it being highly risky in an urban environment, but so too can dismantling. Unless Lennar can control the wind or force people to remain in their homes during the implosion, then research shows that imploding the stadium will cause harm. There is also the issue of particulates caused by hauling off the material after implosion that has yet to be addressed. Lennar needs to address these concerns and come up with a way to mitigate particulates during and after an implosion. Otherwise, I suspect they'll need to dismantle the stadium in a controlled and safe manner.

Demolition of High-Rise Public Housing Increases Particulate Matter Air Pollution in Communities of High-Risk Asthmatics, 2006: "...individuals living near sites of public housing demolition are at risk for exposure to high particulate concentrations." http://dx.doi.org/10.1080/10473289.2006.10464504

The Implosion of the Calgary General Hospital: Ambient Air Quality Issues, 2005: "These findings point to a number of complex and problematic issues regarding implosions and safeguarding human health and suggest that implosions in metropolitan areas should be prohibited." http://web.a.ebscohost.com/ehost/pdfviewer/pdfviewer?sid=ef68a047-fe53-4ed3-9ffa-75dbaf2320e2%40sessionmgr4003&vid=1&hid=4106

The Impact of a Building Implosion on Airborne Particulate Matter in an Urban Community, 2003: "These results demonstrate that a building implosion can have a severe but short-lived impact on community air quality." http://dx.doi.org/10.1080/10473289.2003.10466275

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