[TowerTalk] Large Tower Base

[Robert Morris]

On Mar 6, 2013, at 9:33 PM, Wilson Lamb wrote:

Lots of wasted bandwidth here!
Patrick is obviously one of the very few among us with knowhow and resources to get outside the box!
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I’d agree, however, that the proposed foundation piers sound a little small.


The last little tower I had anything to do with did not use just piers. I forget exact numbers, so I'll make up stuff.

The 340' self support, Rohn SS base leg spread was 36'. A 40' something foot square hole was dug, 15' or more deep.

A rebar box cage filled the bottom 3 or 4 feet, tied into three vertical cages up to grade. "Sono" tubes were placed over the 

vertical cages and 40 some yards of concrete later. Don't think just piers in a hole......

http://www.sonotube.com/products.aspx