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Old Posted Dec 10, 2015, 2:53 AM
LouisVanDerWright LouisVanDerWright is offline
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Join Date: Jul 2012
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Yes, they are building a secant wall and excavating downwards at No. 9. That means a lot more steps of construction underground before you can move above ground. The concrete perimeter is the cap of the secant wall.
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