Water Drainage Section Plan with Concrete and Mortar Details

This water drainage section plan drawing presents a detailed AutoCAD section view showing internal drain channel construction with complete material specification. The section illustrates finished floor level, cement sand mortar layer, concrete slab base, and reinforced concrete chain beam as per the structural reference. Slope formation marked as pendiente is clearly indicated to direct water flow towards the drainage pipe outlet. Concrete cover slab with removable lid detail and central drain opening are defined for inspection and maintenance access.