[TowerTalk] How to fix crooked Rohn 45G short base?

Steve Maki lists at oakcom.org
Sat Jul 4 13:42:56 EDT 2020


I should have made it clear that the 1st section would be on the base 
attached with the bolts in at least one leg, and the section held plumb. 
Then a half inch bit can be used to drill out the holes on the other 
leg(s). That way you end up with 1/2" round holes all the way through, 
not egg shaped holes.

-Steve K8LX

On 07/04/20 13:36 PM, Steve Maki wrote:

> Structurally that amount of lean wouldn't be a problem.
> 
> I would hog out the holes to 1/2" and use 1/2" hardware. It's only a 40' 
> tower.
> 
> Spray some cold galvanizing in there - a couple applications - and call 
> it good.
> 
> -Steve K8LX
> 
> 
> On 07/03/20 19:17 PM, Blake Sobiloff via TowerTalk wrote:
>> Hi hi,
>>
>> I’m putting up my first tower, a 40’ free-standing Rohn 45G (45SR040). 
>> I had my landscapers' help in getting the short base buried and 
>> cemented in, and unfortunately we’ve ended up crooked. I bolted the 
>> first section on top of the base and we’re about an inch out from top 
>> to bottom of the first segment.
>>
>> What are my options for fixing this? I’m aware that Rohn doesn’t like 
>> drilling the bolt holes, even to get out the excess galvanizing, so I 
>> don’t imagine hogging out some holes would be the right way. In the 
>> archives I saw passing mention of bending the tops of a short base, 
>> but I wasn’t sure of the context so I don’t know if that’s the right 
>> approach.
>>
>> I’m hoping we don’t have to jackhammer the base out and re-pour, so 
>> I’d be grateful for any other recommendations. Thanks!
>>
> 
> 




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