30cm width of the column section drawing is given in this AutoCAD file. For more details download the AutoCAD file.
12x19m house building swim
200x300 mm Column Footing
Beam Column Joint Reinforc
Plan of column working det
Column Footing Plan Of 30x
10x30m house building colu
15x10m apartment beam and
300x300 mm Column Footing
250x600m column section vi
40x40cm column vertical se
Column construction detail
Column joint reinforcement