Thread: SAN FRANCISCO | Salesforce Tower | 1,070 FT (326 M) | 61 floors
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Old Posted Apr 24, 2014, 5:35 AM
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WonderlandPark WonderlandPark is offline
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Join Date: Mar 2006
Location: Bi-Situational, Portland & L.A.
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seems like they are doing top down bottom up with this and 181.

this blog explains the technique. http://constructionduniya.blogspot.c...struction.html
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