<p>Here <strong>brick plan sump</strong> cad drawing include proposed 250mm thk brick wall , 20mm thk cement plaster on exposed side also proposed 900mm to 1200mm u drain in this cad file show inflow and outflow depend on amount of stromwater runoff more details of Brick plan sump show in <strong>cad file</strong> ,for more information download this <strong>dwg file</strong> .</p>