[195795] in North American Network Operators' Group
Re: Moving fibre trunks: interruptions?
daemon@ATHENA.MIT.EDU (Jared Mauch)
Sat Sep 16 04:27:45 2017
X-Original-To: nanog@nanog.org
From: Jared Mauch <jared@puck.nether.net>
In-Reply-To: <op.y5wrt9potfhldh@rbeam.xactional.com>
Date: Fri, 1 Sep 2017 21:11:42 -0400
To: Ricky Beam <jfbeam@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
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Pretty much. Here is an example of permitting requirements for underground. U=
nderground costs 5-12/foot (or more in urban areas) whereas aerial can be as=
low as $2/foot.=20
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Jared Mauch
> On Sep 1, 2017, at 6:38 PM, Ricky Beam <jfbeam@gmail.com> wrote:
>=20
>> On Fri, 01 Sep 2017 15:52:40 -0400, Rod Beck <rod.beck@unitedcablecompany=
.com> wrote:
>> I don't think there is virtually any aerial in Europe. So given the cost d=
ifference why is virtually all fiber buried on this side of the Atlantic?
>=20
> Aerial is simple and fast... pull the cable through a stringer, move to th=
e next pole and repeat; when a section (about a mile) is done, it's hoisted i=
nto the air and tied to the pole. The stringers are then moved to the next m=
ile of poles and the process repeats.
>=20
> Buried stuff requires a great deal of planning, permitting, and insurance.=
You have to know everything that's ever been stuffed in the ground within h=
alf a mile of where you're working to avoid the inevitable cutting of someth=
ing important -- gas, water, sewer, power, other telcom, even vacuum tube li=
nes and subways. And then you need trenching gear to get stuff in the ground=
, and crews to come along behind to remediate the "environmental damage".
>=20
> (Once the conduit is in the ground, it's a trivial matter to blow whatever=
you need through it.)
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