This data is the detail drawing (CAD) of single pile foundation under the column, with 1 drawing in total. The contents include: pile body detail drawing, reinforcement table of manually excavated cast-in-place pile, reinforcement detail of variable section at high and low elevation of pile top, reinforcement drawing of different types of piles, detail drawing of pile retaining wall, additional stirrups and hanging bars at the intersection of ground beams, detail drawing of infilled wall foundation, detail drawing of partition wall foundation at the floor elevation difference, detail drawing of stair beam stair section starting, design