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| It's just one more thing Unlike many other cities, especially in North America, the core of Paris has a very extensive sewer system built as interconnected tunnels that run below just about every street. You can walk along those tunnels on a raised sidewalk, without stepping in the flow of sewage unless you need to get into a branch that goes to a building. The sewer tunnels have been used to install all kinds of utilities that were not initially part of the plan, such as steam, gas, electricity, "pneumatic" tubes to shoot letters across town, telephone and now fiber, all out of sight. Contrast that with American cities, especially in the West or outside the core city center, where each utility digs a separate trench then fills it up, starting an endless cycle of expensive digging and resurfacing. To save money, wherever possible lines are tacked onto the face of buildings or strung on poles rather than buried... | | |
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| ""pneumatic" tubes to shoot letters across town,"
Heh I don't know why but that sounds so cool. | |
patcat88
join:2002-04-05
Jamaica, NY
kudos:1
1 edit | reply to claudeo
said by claudeo:Unlike many other cities, especially in North America, the core of Paris has a very extensive sewer system built as interconnected tunnels that run below just about every street. You can walk along those tunnels on a raised sidewalk, without stepping in the flow of sewage unless you need to get into a branch that goes to a building. The sewer tunnels have been used to install all kinds of utilities that were not initially part of the plan, such as steam, gas, electricity, "pneumatic" tubes to shoot letters across town, telephone and now fiber, all out of sight. Contrast that with American cities, especially in the West or outside the core city center, where each utility digs a separate trench then fills it up, starting an endless cycle of expensive digging and resurfacing. To save money, wherever possible lines are tacked onto the face of buildings or strung on poles rather than buried... Yep, and then every thunderstorm it all comes down. In NYC we do have subway tunnels and utility corridors big enough to walk in (atleast for electric) or drive a car. Telecom is a mangled joke, gas, I dont think you want to be walking inside a gas pipe, but they are direct buried, and the sewers have some walking ability but not everywhere. Not a professional opinion. | |
| reply to battleop
I don't know whether that pneumatic network is still working in Paris (it used to work between all the post offices, where you would go to send a "pneu" across town), but the same technology is still very much in use elsewhere because it is simple and effective. For example, in those tubes you see going up from cashiers' stations at Costco, which are used to shoot paperwork to and from the office. | |
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