[OKDXA] Advice on placing coax in plastic pipe

[Tim Duffy K3LR]

Hello Ken:

Starting with building my station 20 years ago:
My experience was not good with PVC pipe. Thought I could keep it dry, never
worked out that way - lots of water. Thought I could pull more cables in
after, never worked out that way - damage to existing cables.

So ever since that "pipe holding water" problem (this is 4 inch pipe, all
the right seal joints, buried 3 feet) I have been trenching down 2 feet.
Pulling all rocks out. Putting in 6 inches of sand - then cables - then 6
inches of sand. No problems what-so-ever in 16 years of doing this. 

Turns out W2PV used this method as well.

Good Luck and 73!
Tim K3LR


-----Original Message-----
From: okdxa-bounces at mailman.qth.net [mailto:okdxa-bounces at mailman.qth.net]
On Behalf Of Ken - K5KC
Sent: Thursday, September 04, 2008 11:15 PM
To: Discussion of OKDXA
Subject: [OKDXA] Advice on placing coax in plastic pipe

Hi everyone,

I need to run some coax through plastic pipe a distance of about 350 feet.
Unfortunately, 250 feet of that is pretty rough, going through a heavily
wooded area with trees, briars, various plants about 6 feet tall, etc.  The
coax is flooded, direct-bury cable (but I don't want to direct bury it).

Option 1 is to bring in a dozer and clear a path for a trencher, then trench
a slot and bury the plastic pipe.

Option 2 is to bury the pipe for the first 30 feet and the last 30 feet
where it is simply going through grass, and let it lay above ground the rest
of the way through the woods (the reason for the plastic pipe is to keep the
varmints from eating the coax).  

My main concern about Option 1 is cost.  My main concern about Option 2 is
condensation.  Has anybody tried running plastic pipe with coax in it above
ground?

Are there other problems you see?

73 Ken K5KC
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