[TowerTalk] Frost, conduit, and stuff

[Roger (K8RI) on TT]

On 11/12/2014 6:24 PM, Jim Lux wrote:
> On 11/12/14, 2:18 PM, Roger (K8RI) on TT wrote:
>> My conduit tower runs (away from the house are only about a foot down.
>> Frost line IIRC is 36"
>> Photos near the bottom of the page.
>> http://www.rogerhalstead.com/ham_files/cablebox.htm.  Heaving due to
>> frost has never been a problem.  Codes do not apply as there is no power
>> other than the low voltage to the rotator.
>
> In general, technically not true, unless your local authority has 
> exempted it.  Rotators are typically Class 2 low voltage, but there's 
> plenty of electrical code to cover that.<grin>

Local authority (county or township) does not issue permits for ham 
stations, tower, etc.  In fact they refuse to do so even if you want 
one..  I have the last one issued for my 100' 45G.  The only rule I have 
to abide by is the set back. With a 200' X 200' lot, I can go 100'.  
They don't care what I put on it.  I could add a two section, self 
supporting mast that would take my top antenna to 140' and that could be 
a 21' tall vertical to make 160 feet.  I started to explain, I had a 
mast extending 30 feet with that array on it.  He stopped me and asked, 
"How tall is just the tower?" I replied "100 feet". He said. "your good! 
We don't care and don't want to know what you put on it.  BTW, we no 
longer require or issue permits for ham towers.".

I happen to be on the center line for the GPS 06  at the local airport.  
Even if I had lots of land, if the FAA hasn't changed the rules the 
proximity to an established airport with runways over 3000 feet, and/or 
published instrument approaches limits my tower height.  If you know the 
area, you can tell if you are where you are supposed to be because you 
will fly directly over my house.  If you can't see the house, visibility 
is below minimums for that approach.

They were in the process of rewriting the zoning regs.  I( called about 
tower height, ham towers and the airport which were in the new regs.  I 
explained the FAA already had rules about tower tower height, and 
airports. Also, they were a bit possessive about those rules.So the 
township went from rather restrictive tower rules to none but the 
setback. As this is rural with a few rural subs they are not much of a 
problem.  You could probably put up anything reasonable with no problem 
unless a neighbor complained.  So getting involved does make a difference.

73

Roger (K8RI)


>
>
>   Locally, permits are not
>> required for ham towers and stations. Code does apply to electrical
>> circuits with permits required for new circuits, both 120 and 240 which
>> IIRC $25 for each breaker installed and must be inspected.
>
>
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-- 

73

Roger (K8RI)