[TowerTalk] Screw-in guy anchors for 48' 25G installation?

[John Simmons]

Power line people do this all the time, but they have no-concrete 
anchors with much more holding strength. Soil type will greatly affect 
the anchor strength of screw-in anchors. Clay is good, sand is bad. 
Power line pole anchors are installed with a machine which can test the 
pull strength. SOMETIMES the local power company will put the anchors in 
for you, at correct angle and rating. Nowadays this is becoming 
increasingly rare- think liability and 'company policy'.

-de John NI0K

Edward Post III wrote on 7/24/2020 1:27 PM:
> Designing my 2ndary tribander tower (large ish tribander e.g, JK Mid Tri 98lbs 16 sq ft or too big?) with 48' of 25G I now have.
>
> Going to mount first section of 25G to small barn at 7-8', put some concrete anchors in the 25G base and put 1 or 2 sets of guys at the appropriate levels per Rohn catalog.
>
> Question is can I get away with screw in anchors (e.g. Rohn GAS625 4' screw-in anchor (DXE web site) or the like) for this use case or must I go with concrete anchors per Rohn catalog to be safe?
>
> 2nd question, might utility pole anchors be better and if so where to source and how best to get into soil with lots of rock .. what kind of machine if any?  Are there pros who do this?
>
> Thanks in advance
>
> Ed W2MKM
>
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