"Jeffrey Angus" wrote in message
...
On 9/25/2011 4:11 PM, dave wrote:
I would [hah!] try to avoid using lumber. Have you ever played with
Unistrut?

Figures.

Several commercial tower sites I used to service used wooden
cross supports between telephone poles. The antennas were
bolted directly to the wood cross pieces.

And no, there was no grounding straps/bonds across the supports.
The only grounds the antennas saw was the "ground window" going
into the building.

Jeff

The thing with lumber is that it can hold moisture and cause the tower to
rust where the wood is.
Also if it is treated wood, the chemicals may cause the same thing only
faster.