Originally Posted by Lawnut101
Do you guys hire engineers for all your walls? Or just over a certain size?
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The rule of thumb is: if the wall is 4' or higher it needs to be engineered. But see, that rule of thumb pertains ONLY to a perfect world scenario.
HOWEVER! There is more to it than that. First of all, there are always reasons why walls are needed. If the site was perfect to begin with - then a wall would not be needed. Chances of it being a perfect world are slim. In other words - the 4' rule is not always the case.
We built a wall back in 1999 that failed. To this date it's the only wall I have had fail. It was about 42-inches in height. It failed because I built the wall based on the "four foot" rule. "oh, it's under 4-feet I don't need to do this and I don't need to do that". Wrong.