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That's very unusual, unfortunatly. Most riser poles have a stub of pvc or hdpe conduit maybe 6" out of the ground and then use a pvc riser guard up about 6-8 feet. The fiber is usually just stapled/strapped to the pole above the riser guard. I like to put an additional sleeve over the transition from ground to pole to protect against weed whackers (many of the commercial ones use a metal saw blade).<br><br>I have a few sites with rigid (much stronger than emt) conduit up about 10 feet on poles, but that was only done in areas where vandalizm was a concern.<br> <br>Outside plant has many natural and man-made enemies ;-)<br><br>-Bill
<br>[Sent using Blackberry Messaging]</font></p>
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<b>From</b>: John Fraizer <jfraizer@netriplex.com>
<br><b>To</b>: Bill Wichers; outages@jdc.parodius.com <outages@jdc.parodius.com>; jeremy@evilrouters.net <jeremy@evilrouters.net>
<br><b>Cc</b>: maddison@lightbound.net <maddison@lightbound.net>; outages-discussion@outages.org <outages-discussion@outages.org>
<br><b>Sent</b>: Tue Oct 11 21:20:15 2011<br><b>Subject</b>: Re: [Outages-discussion] Fiber cut between Marion and Muncie IN
<br></font></p>
<div style="font-family: sans-serif; font-size: 16px">Who didn't learn their lesson from the TYRO days? You use EMT up to a "reasonable level" to avoid this when going from burried to sky-strung.<br>
<br>
<br>
<font face="sans-serif"><span style="font-size: 14px"><i><font color="#333333">Connected by DROID on Verizon Wireless</font></i></span></font></div>
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<br>
-----Original message-----<br>
<blockquote style="; border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">
<div style="font-family: sans-serif; font-size: 14px"><b>From: </b>Bill Wichers <billw@waveform.net><b><br>
To: </b>"outages@jdc.parodius.com" <outages@jdc.parodius.com>, "jeremy@evilrouters.net" <jeremy@evilrouters.net><b><br>
Cc: </b>"maddison@lightbound.net" <maddison@lightbound.net>, "outages-discussion@outages.org" <outages-discussion@outages.org><b><br>
Sent: </b>Wed, Oct 12, 2011 01:10:47 GMT+00:00<b><br>
Subject: </b>Re: [Outages-discussion] Fiber cut between Marion and Muncie IN<br>
<br>
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<p><font size="2">There is also the possibility here that the fiber was whacked at or near the base of a riser pole where there would only be a relatively small amount of protection (as in about 1/8" of plastic for a riser guard).<br>
<br>
Remember that a large percentage of installed fiber -- especially fiber owned by discount carriers -- is aerial and *not* underground, or at least not underground along entire routes.<br>
<br>
Also, I've seen critters dig deep before. There was a fiber cut several years ago on verizon north's (now frontier's) network in northern michigan like this. A beaver had burrowed down and chewed through a fiber cable. The cable was at least 2 feet deep.<br>
<br>
Fiber is usually installed in the 3-4 foot deep range here. It's rarely much deeper than that except in special circumstances (I spec'ed in a run under a local street at 15 foot depth to avoid it getting taken out a second time by storm drain reconstruction).
If you go much deeper you run into water lines and below those sanitary sewers. The drill crews try to pick depths that are mostly clear of other utilities when they can. In a rural area the cable may have gone into an open trench in which case I wouldn't
be surprised if there are areas of only 18-24 inch depth.<br>
-Bill<br>
[Sent using Blackberry Messaging]<br>
<br>
----- Original Message -----<br>
From: Jeremy Chadwick <outages@jdc.parodius.com><br>
To: Jeremy L. Gaddis <jeremy@evilrouters.net><br>
Cc: Matt Addison <maddison@lightbound.net>; outages-discussion@outages.org <outages-discussion@outages.org><br>
Sent: Tue Oct 11 20:21:50 2011<br>
Subject: Re: [Outages-discussion] Fiber cut between Marion and Muncie IN<br>
<br>
A brush hog? I think they meant a bush hog. A bush hog is a small<br>
tractor/mechanical device which is used to mow forms of dry grass.<br>
Google "bush hog" and see for yourself.<br>
<br>
Why should you care?<br>
<br>
Bush hogs do not drill into dirt, and normally they do not touch soil.<br>
The blades and cutting mechanisms work above the surface of the ground.<br>
If manually adjusted incorrectly, they can dig into soil, but the<br>
deepest they would go -- at most -- would be about 12 inches. Could<br>
they break through a metal or plastic conduit? Yes. But bush hogs are<br>
not rototillers!<br>
<br>
Customers who use this carrier should be asking for an explanation,<br>
because bush hogs won't dig as deep as fibre and conduits are supposed<br>
to be buried. So this means someone either laid fibre bare across the<br>
ground, or someone did a fibre drop and simply sprinkled a few inches of<br>
dirt on it. This is unacceptable.<br>
<br>
I may be a SA but I'm an old Oregon farm boy.... :-) And my colleague<br>
from Iowa (another farmhand) also confirms my statements about bush<br>
hogs. BUSH HOGS!! GET 'ER DONE!!!<br>
<br>
--<br>
| Jeremy Chadwick jdc at parodius.com |<br>
| Parodius Networking <a href="http://www.parodius.com/" target="_BLANK">
http://www.parodius.com/</a> |<br>
| UNIX Systems Administrator Mountain View, CA, US |<br>
| Making life hard for others since 1977. PGP 4BD6C0CB |<br>
<br>
On Tue, Oct 11, 2011 at 06:50:43PM -0400, Jeremy L. Gaddis wrote:<br>
> Here's what I received, timestamped 2234 UTC:<br>
><br>
> "Fiber Provider Zayo Engineers found the 144 count fiber cut in half by a<br>
> brush hog. Splicers are onsite pulling slack at this time with a<br>
> tentative ETR for lit services of about 4.5 hrs with all others being<br>
> 6 to 8 hours."<br>
><br>
> --<br>
> Jeremy L. Gaddis<br>
> <a href="http://evilrouters.net/" target="_BLANK">http://evilrouters.net/</a><br>
><br>
><br>
><br>
><br>
> On Tue, Oct 11, 2011 at 5:39 PM, Matt Addison <maddison@lightbound.net> wrote:<br>
> > In case anyone else is seeing oddities or down circuits that pass through central Indiana, we're aware of a confirmed cut between Marion and Muncie that's affecting some of Zayo's lit services and possibly others.<br>
> ><br>
> > OTDR and repair crew in the field, ETR TBD.<br>
> ><br>
> > Regards,<br>
> > LightBound Operations<br>
> > ~Matt<br>
> ><br>
> ><br>
> ><br>
> > _______________________________________________<br>
> > Outages mailing list<br>
> > Outages@outages.org<br>
> > <a href="https://puck.nether.net/mailman/listinfo/outages" target="_BLANK">https://puck.nether.net/mailman/listinfo/outages</a><br>
> ><br>
> _______________________________________________<br>
> Outages mailing list<br>
> Outages@outages.org<br>
> <a href="https://puck.nether.net/mailman/listinfo/outages" target="_BLANK">https://puck.nether.net/mailman/listinfo/outages</a><br>
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