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![Home Improvement](http://cdn.sstatic.net/diy/img/apple-touch-icon.png)
I am building a 15'x23' deck in Knoxville. I built a sandwich girder at the end using 12" x 16" deep concrete piers, 4x4 posts sitting on galvanized metal brackets and pressure treated 2x10's sandwiched together using 3" nails and 1/2" lag bolts 6 inches long. I left the braces I used to hold the...