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]> 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]> 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 >>>>> >>>>> >>>>> >>>>> 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 >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> www.aeronetpr.com | Metro Office Park #18 Suite 304 Guaynabo, PR 00968 >>>>> >>>>> >>>>> >>>> -- >>>> AF mailing list >>>> [email protected] >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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