This wall was designed and specifications drawn up by a professional engineer. The design would have stood tall if the contractor had actually built it according to the engineered specifications. The best plans and specs are worthless if they are not followed by those that actually build. This is a prime example of the many possible consequences of of going with the
"Low Bidder".
Cgreen will never be the "Low Bidder", but then again, this picture is not of Cgreen work.