Chicago Drilled 175km Of Mammoth Tunnels Underneath Itself

Chicago’s mechanised subterranean restructuring project Tunnel and Reservoir Plan (TARP) has bored out a massive complex of man-made caverns. The goal? To prevent flooding and sewage overflow seeping into Lake Michigan. The effect? As you can see here, truly enormous. [BLDGBLOG]

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(2 Comments)
  • [–]

    Daniel Weaver-Koenigs

    Sunday, September 12, 2010 at 6:38 PM

    I didn’t realise storm water systems seperate to sewage sytems were such a foreign idea in America. Seems far simpler than this!

  • [–]

    Nodeity

    Monday, September 13, 2010 at 11:36 AM

    Japan completed a massive reservoir system like this years ago in one of their main cities,(can’t remember which)

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