Re: Moving fibre trunks: interruptions?

[Jared Mauch <jared () puck nether net>]

Pretty much. Here is an example of permitting requirements for underground. Underground costs 5-12/foot (or more in 
urban areas) whereas aerial can be as low as $2/foot. 



Jared Mauch

> On Sep 1, 2017, at 6:38 PM, Ricky Beam <jfbeam () gmail com> wrote:
>
> > 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 difference why is virtually all fiber 
> > buried on this side of the Atlantic?
>
> Aerial is simple and fast... pull the cable through a stringer, move to the next pole and repeat; when a section 
> (about a mile) is done, it's hoisted into the air and tied to the pole. The stringers are then moved to the next mile 
> of poles and the process repeats.
>
> 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 half a mile of where you're working to avoid the inevitable cutting of something 
> important -- gas, water, sewer, power, other telcom, even vacuum tube lines 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".
>
> (Once the conduit is in the ground, it's a trivial matter to blow whatever you need through it.)