State of Arizona Capitol Dome To Be Replaced With New Copper
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The dome at the State Capitol will be replaced with new copper starting this week. Preliminary safety work started Thursday, Oct. 21, and the removal of the existing copper began Monday, Oct. 25. The new copper will be installed around Dec. 9, with an estimated project completion date of Dec. 31. The “winged lady liberty” will remain untouched during construction.
The current copper on the dome was installed in 2011 after hail severely damaged the copper on the dome in 2010. At the time, the copper was sealed after installation, which has led to discoloration over the years and it has not aged well. The new copper will be sealed prior to installation which should ensure it oxidizes into a patina over time.
The cost for this project is approximately $700,000 and the funds used for this were included in the $11.9 million appropriations to the legislative council to repair, restore and renovate the historic capitol building at 1700 West Washington Street.
The copper used for this project was purchased from Western States, an Arizona company and 2,500 lbs of copper will be used (approx. 1.25lbs per square foot.)
The history of Arizona’s Capitol can be found here.