Seattle's giant tunnel project is finally restarting tomorrow, after a two year delay from overheating, because "grit penetrated a seal casing that lubricates and protects the rotary drive parts"
The following article on similar megaprojects makes two interesting points.
China is home to many megaprojects, and China "used more cement between 2011 and 2013 than the United States did during the entire twentieth century..." -Wow.
China is home to many megaprojects, and China "used more cement between 2011 and 2013 than the United States did during the entire twentieth century..." -Wow.
And, those proposing civic megaprojects consistently lure public support by over-promising due savings and misleading by under-budgeting:
"Referring to huge cost overruns during the construction of San Francisco's four-and-a-half-billion-dollar Transbay Transit Center, Brown wrote, "We always knew the initial estimate was way under the real cost…. If people knew the real cost from the start, nothing would ever be approved. The idea is to get going. Start digging a hole and make it so big, there's no alternative to coming up with the money to fill it in.""
http://www.newyorker.com/news/news-desk/bertha-seattle-infrastructure-trouble-megaprojects
Lots of great photos of the megaproject here. And here.
Lots of great photos of the megaproject here. And here.
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