A circular concrete pier foundation measures two feet in diameter with nine vertical reinforcing bars arranged in a circle. A concrete cover of three inches is provided around the reinforcement cage. A tie or hoop surrounds the interior bars with a minimum six-inch spacing, typical. The pier sits within a two-way orthogonal grid of bottom reinforcing bars spanning between structural grid lines J, K, L, and M.
3" CLR 2' - 0" DIA. SEE NOTE 7 6" MIN, TYP M L K J
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