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When proposed, this new construction of a new three story addition, teller line, and drive-thru at the bank’s main branch location presented a significant challenge. The challenge involved how to excavate a fifteen foot deep foundation for a new three story building with: an active roadway for customers immediately adjacent to the dig, historic wood frame structures to the north and south of the project site, and create safe access for heavy equipment to remove more than 2,000 cubic yards of fill without shutting down access to the bank's parking and drive-thru areas.
Conventional solutions would entirely shut down the entrance drive to the bank property for the duration of foundation place made pile driving less appealing. Caldwell & Walsh's innovative solution was soil nailing. A technique pioneered in Europe and seldom used in the United States, it became the optimal choice for meeting all of the project's objectives. Through careful coordination, planning, and in-house engineering, Caldwell & Walsh was able to reduce the amount of soil retention needed to only one side of the excavation. This reduced the original soil retainage estimates by more than two thirds, saving the owner $100,000. The entire process was completed in less than two weeks, as opposed to three to four weeks for conventional methods, and without any interruption to the bank customers.
More Banking Projects
Union Savings Bank, Southbury
Union Savings Bank, Ridgefield
Savings Bank of Danbury
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