[TowerTalk] CDwelding a tower leg

[Mirko S57AD]

AFAIK, manufacturers reccomend two inches of gravel at bottom of the base
to drain water from tower legs.

73, Mirko, S57AD

2012/9/17 Frank <frankkamp at att.net>

> R. Morris wrote:
>
>  On 09/17/2012 09:10 AM, Frank wrote:
>>
>>  I fail to see why a ground is needed at all.  Surely the lower two feet
>>> of tower is firmly embedded in dirt with the concrete anchor above that.
>>>
>>
>> You may want to look at some tower base diagrams. Never have I seen any
>> suggesting "two feet" in dirt.
>>
>>  That is because they are doing it wrong.
>
> Ever wonder what happens to the rain water that collects in the tower legs?
>
> Mine drains into the soil.  If you block the ends of the tower legs with
> concrete, the rainwater rots your tower legs from the inside out.  My tower
> has been up since 1976 with no sign of corrosion.
>
> Maybe they just want to sell ground rods and cad welding equipment and
> tower sections.
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