This Architectural Drawing of AutoCAD 2d drawing of Concrete cover of reinforcement layer for pile cap and stub column. For a longitudinal reinforcing bar in a column, concrete cover not less than 40 mm not less than the diameter of such a bar should be provided. In the case of columns of the minimum dimension of 20 cm or under, whose reinforcing bars do not exceed 12 mm, the concrete cover of 25 mm to be used for reinforcement. For more details and information download the drawing file.