Column Footing Detail Interior 0.80 x 0.80 Exterior 0.60 x 0.80

Column footing reinforcement detail drawing showing interior and exterior footing construction used in structural foundation design. The drawing illustrates two footing types, including an interior footing sized 0.80 x 0.80 and an exterior footing sized 0.60 x 0.80, designed to support reinforced concrete columns. Reinforcement arrangement is clearly indicated with 5 N3 bars spaced at 0.16 in both directions for the interior footing with a footing length of 1.10. Additional reinforcement includes 4 N3 bars spaced at 0.15 with column anchorage length of 1.10, providing structural stability between the column and footing base.