Re: Update: CSX train derailment
One of the things that may change over time is that some of the new drilling technologies being used in oil drilling, drilling with turns, angles, and horizontal drilling, may become viable for many telecom conduit builds. You can do about 5 horizontal miles today, and that would get you around or under nearly all obstacles such as rivers, and would in fact be enough to run deep *under* metro centers when you're trying to go through rather than into the builtup area. Those are more expensive to do than traditional trenching or hanging in existing rail tunnels or off bridges though, so it may not be cost effective except in limited areas. -george william herbert gherbert@retro.com
I asked a resident who happen to work in the area re: the 30kft temporary fiber run. See <http://www.sunspot.net/news/local/bal-traingridlockmap.graphic> for a map. It must be in a tunnel. I drove right past there today on my way to work and didn't see anything at all. The Sun {newspaper} is on Calvert St. between Center and Orleans. There are no visible aboveground cables (phone, electrical, cable) on Calvert or on Guilford for as far as I can see from the windows right now. There was a later reference to pipes blocked with mud. Do we infer they got permission to run it through storm sewers? In any case, that was fast work by the fiber folks.. -- A host is a host from coast to coast.................wb8foz@nrk.com & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433
I don't know about others but MFN was able to use conduit that they already owned for their metro network and to get expedited approval to lease some Verizon duct. ----- Original Message ----- From: David Lesher <wb8foz@nrk.com> To: nanog list <nanog@merit.edu> Sent: Saturday, July 21, 2001 6:18 PM Subject: Re: Update: CSX train derailment
I asked a resident who happen to work in the area re: the 30kft temporary fiber run. See <http://www.sunspot.net/news/local/bal-traingridlockmap.graphic> for a map.
It must be in a tunnel. I drove right past there today on my way to work and didn't see anything at all. The Sun {newspaper} is on Calvert St. between Center and Orleans. There are no visible aboveground cables (phone, electrical, cable) on Calvert or on Guilford for as far as I can see from the windows right now.
There was a later reference to pipes blocked with mud. Do we infer they got permission to run it through storm sewers? In any case, that was fast work by the fiber folks..
-- A host is a host from coast to coast.................wb8foz@nrk.com & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433
On Sat, 21 Jul 2001 15:19:00 PDT, George William Herbert said:
You can do about 5 horizontal miles today, and that would get you around or under nearly all obstacles such as rivers, and would in fact be enough to run deep *under* metro centers when you're trying to go through rather than into the builtup area.
This would be one heck of a markup job for Miss Utility, all the way across Manhattan if you wanted a Newark-Brooklyn dig. ;) -- Valdis Kletnieks Operating Systems Analyst Virginia Tech
participants (4)
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David Lesher -
George William Herbert -
Valdis.Kletnieks＠vt.edu -
Vincent J. Bono