Sewage Structure Section Detail With Masonry Block Layout AutoCAD

This AutoCAD drawing presents detailed sewage structure construction with sectional views and masonry block layout used in underground drainage infrastructure. The drawing shows section A A, including soil layers, natural ground level compacted soil fill, and rubble backfill surrounding the sewage structure. Structural components such as block masonry wall support, plaster protection layer, and geotextile placement are illustrated with dimensional references. The section also includes slope formation and compacted soil stabilization around the sewage chamber area, providing clarity for engineers and construction professionals.