Quote:
Originally Posted by aaron38
Are the soil conditions in Milwaukee that much different as to make it more feasible/cost effective?
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i believe the answer to that question is almost certainly yes. just look at all of the deeply exposed perimeter sheet piling in the pics above that isn't braced at all. when they dig down that deep in chicago, the sheet piling has to be braced with those giant raker beams to prevent cave-in because chicago's sludgy marsh muck that passes for soil is so unstable.
from the pics of this excavation, i'd have to imagine that downtown milwaukee has better soil for excavation purposes.