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Re: [TowerTalk] Schedule 40 or 80 PVC Conduit Underground

To: <wc1m73@gmail.com>, <john@kk9a.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Schedule 40 or 80 PVC Conduit Underground
From: "Patrick Greenlee" <patrick_g@windstream.net>
Date: Wed, 12 Nov 2014 14:31:36 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Don't you need to bury conduit deeper than the freeze zone? Then frost heave shouldn't be a problem. Buried deep enough the light weight S&D PVC pipe should be plenty strong enough. Buried deep enough sched 40 or 80 is mostly a waste of $ unless required by inspector or some rule. I am free of all inspections and need no permits to do anything (except put in a septic system without a permit) but... I ALWAYS trench deeper than our frost depth, use larger diameter PVC than required, and leave a messenger line in place to make future cable additions easier.

Something I do virtually always and sometimes am glad to have done it is...

When using a pull rope, make it continuous, i.e. a complete loop such that you can pull the rope forward or back. If your connection between cable being pulled and pull rope should ever come loose you don't loose use of your pull rope. A continuous loop allows you to stagger the start point of multiple cables and not have a big blunt group of cables snagging on everything. Once the first cable(s) are in place and disconnected from your pull rope you continue to pull the other cables. Once in a while this is handy.

Good luck to us all in the game of pulling cables through conduit.

Patrick NJ5G


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