Reasons to use concrete troughs vs buried PVC pipe:
* Accessability to any area of the run from above.
* Air circulation eliminates most of the moisture issues.
* Pop the tops to lay a new run or eliminate an old run with no problems
with coax or
fish line tangles.
* Probably nicer for hardline runs than trying to get it thru PVC.
Don't have a need for it here but like the idea.
Mike / W8DN
----- Original Message -----
From: "Jerry Keller" <k3bz@arrl.net>
To: <towertalk@contesting.com>
Sent: Monday, August 12, 2002 6:05 PM
Subject: RE: [Towertalk] Underground wires... outdoor ducts other than
pipes?
Maybe I'm missing something, but what's wrong with PVC pipes with drainage
holes? Is there some advantage to using concrete (or similar) troughs with
covers? Jerry K3BZ
-----Original Message-----
From: towertalk-admin@contesting.com
[mailto:towertalk-admin@contesting.com]On Behalf Of EUGENE SMAR
Sent: Monday, August 12, 2002 8:50 PM
To: ve2dc@rac.ca; towertalk@contesting.com
Subject: Re: [Towertalk] Underground wires... outdoor ducts other than
pipes?
Mel:
Try Trenwa (it's spelled correctly as shown and I don't have a URL).
My former employer, an electric utility company, used to use Trenwa precast
concrete trench products in routing electrical control cables underground
through our power substation yards. As I recall, the pieces are essentially
side walls and square u-shaped supports for the ends of the lids. The
cables are merely laid in the open trenches, then the covers are put into
place. Trenwa even made this stuff out of flyash so it was significantly
lighter than concrete. Also made lids that could be driven over.
GL es 73 de
Gene Smar AD3F
-----Original Message-----
From: Mel Martin (VE2DC) <ve2dc@rac.ca>
To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
Date: Sunday, August 11, 2002 1:54 PM
Subject: [Towertalk] Underground wires... outdoor ducts other than pipes?
>==========
> | |
> |_____|
>
>OK guys (gals)... I need a way to run wires to my tower underground (about
>200' run). Presently I have direct buried hardline and cables... been there
>for 20 years without incident... but I'd like to do it better this time...
>What I would like to find is a U shaped concrete duct with a flat slab on
>top. This would rest flush with the ground as not to interfere with the
>lawnmower... and the flat top could be lifted easily for maintenance. Only
>problem, I've been unable to locate such a product. Anyone have any
>ideas....
>
>
>Mel...
>VE2DC
>
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_______________________________________________
Self Supporting Towers, Wireless Weather Stations, see web site:
http://www.mscomputer.com
Call 888-333-9041 to place your order, mention you saw this ad and take an
additional 5 percent off
any weather station price.
_______________________________________________
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