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3.47
votes
19
views
817
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Anonymous
comments
5
date added
2007-07-19
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Japanese Sewers

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Japanese Sewers

Comments for: Japanese Sewers
bobmiller Report This Comment
Date: July 19, 2007 02:19AM

Inside of a dam???
bobmiller Report This Comment
Date: July 19, 2007 02:21AM

ignore my last posting above...duhhhhhhhh
quasi Report This Comment
Date: July 19, 2007 06:28PM

It's a dam sewer. Real mess when it backs up.
Anonymous Report This Comment
Date: July 20, 2007 07:42PM

G-Cans Saitama, Japan. It's the Metropolitan Area Outer Underground Discharge Tunnel, designed to provide flood control for Tokyo, basically. One of the largest (if not the largest) underground structures in the world. Excess rainwater runoff is collected and then pumped out of this reservoir at a rate that the surrounding rivers can accommodate, preventing flooding. It's an engineering marvel.

http://www.ktr.mlit.go.jp/edogawa/works/saigai/sonae/gaikaku/frame_index.html
linken3131 Report This Comment
Date: July 22, 2007 11:39PM

it is basicially a big hold tank, they are building one in chicago and alot of big cities to handle excess gray water that overwhelms the sewages system. In times of big rainstorms and lets them hold water then process it rather than just dump it in a lake or ocean untreated which is what a lot of cities did and some still do. one of the reason it looks so good is because once they cap and start it, it is almost impossible to fix it there is one in NY that has lasted 90 years so if they want they can build things right the only reason i know is before i quit i worked for parsons one of the biggest pipeline contractors in the world.sorry to chew your ears off