Yeah, but they feel worse than they really are. If it was moving 2
inches you'd say, "wow this thing moves a lot". If it moves 2 feet you
might need to barf.
On 8/26/2020 3:05 PM, Matt Hoppes wrote:
Correct me if I’m wrong, but some freestanding towers have a
significant amount of sway at the top of them don’t they?
On Aug 26, 2020, at 2:48 PM, [email protected]
<[email protected]> wrote:
At first I read that as 10 inches. Then realized it was 10 feet.
WOW!!!! I'd freak if I saw my pole moving that much in a storm.
2 foot in a breeze does sound pretty scary.
On Wed, Aug 26, 2020 at 2:40 PM Adam Moffett <[email protected]
<mailto:[email protected]>> wrote:
Not in the 5 years they've been up. I drive by some of them
sometimes, and they're just about as smooth now as they were on
the first day. They're supposed to last indefinitely.
Wall thickness on ours was 7/16". If it does break down from the
sun there's a lot more of it to break down than the shell of an omni.
The scariest thing about them is the flexibility. Everybody who
climbed one commented on it. If you get seasick then this is not
the pole for you. With 4 sectors and a 3' dish the engineers
said it would sway 10' (5' to either side) in a 70mph wind. That
was the point where the swaying could cause enough deflection to
misalign an 11ghz backhaul. So that was the design limit due to
deflection, but it was only at something like 25% of the
structural limit. So as awful as 10' sway might sound it was
nowhere near breaking. In a normal everyday breeze it might only
move by 2 feet or so, but that's still frightening if you're used
to climbing things that aren't made of plastic.
On 8/26/2020 2:22 PM, Steve Jones wrote:
Our site that fell over last month had a bunch of fiberglass
onis that the resin was gone from, even looking at them and you
itched, im glad it fell over. Do those poles do that? it looks
like theyre pretty coated
On Wed, Aug 26, 2020 at 12:19 PM Adam Moffett
<[email protected] <mailto:[email protected]>> wrote:
Indeed. My previous employer used 80' fiberglass poles from
a company in Canada called RS Poles.
80' gives you 70' AGL. These were for wireless, not fiber.
But I might be able to talk generally about the poles.
They're more expensive than wood. They're hollow. No rot.
Supposed to be stronger....but really you tell them what the
load is and they'll engineer the pole you need for that
load. Definitely more bouncy than wood. You _can_ attach
with thru bolts and square curved washers same as a wooden
pole. You _can't_ attach with lags or fetter drives. For
light things like boxes we used self tapping roofing screws
and they seemed to hold just fine. So if you want pole
steps, buy their hardware. They sell pole steps and
safety-climb cables. Their documentation said don't make
holes bigger than 5x the wall thickness, so if you're
thinking of running cables inside the pole then bear that in
mind. Oh if you made maximum size holes they had to be at
least so many inches apart (might have been 7", not sure).
If you know what you're putting on, they'll predrill
everything for you.
In our case the 80' poles were 2-3x the cost of equivalent
wooden poles, but at 80' length it was /dramatically
/cheaper to transport and install the sectional fiberglass
pole than it was to use the long wooden ones. If I was doing
normal sized poles with normal loads then I would just do wood.
....although if you tell the company "It needs to survive
Cat4 hurricanes" then I'm sure they'll set the wall
thickness accordingly. With wood you're at the mercy of how
the tree grew and there's a lot of variance in strength. If
that's something you're after then maybe it's worth a little
extra.
I found a couple of old pics:
<hebfkhmicididlgj.png>
<lapkiipoimjefcee.png>
<ijmhcjkbodnkogdk.png>
On 8/26/2020 12:29 PM, Brian Webster wrote:
Adam Moffett can probably offer up some good input.
Thank you,
Brian Webster
www.wirelessmapping.com <http://www.wirelessmapping.com>
*From:*AF [mailto:[email protected]] *On Behalf Of
*Gino A. Villarini
*Sent:* Wednesday, August 26, 2020 11:31 AM
*To:* AnimalFarm Microwave Users Group
*Subject:* [AFMUG] Composite Poles
Hey List,
Anyone has deployed composite poles for fiber deployments?
*Gino**Villarini **
*Founder/President
@gvillarini
t: 787.273.4143 Ext. 204
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