Septic Tank Design with Dual Chamber Layout and Section Details

This septic tank design drawing provides clear construction level details prepared in AutoCAD format, explaining the functional layout of a dual-chamber septic system. The drawing includes a detailed plan view showing chamber arrangement, internal wall thickness, inlet and outlet pipe positions, and overall tank dimensions. Sectional views illustrate wastewater flow, sedimentation chamber depth, sludge settling zone, and scum level separation. Accurate measurements are provided for tank length, width, height, and internal spacing, supporting proper sizing and construction planning for residential wastewater systems. Additional details cover reinforced concrete slab placement, wall construction, base preparation, and distribution field connection. The drawing also shows inspection openings, ventilation provisions, and pipe connections with clear level markings.