This architectural drawing is the 2D design of a cross-section of a manhole structure in detail AutoCAD drawing, CAD file, and dwg file. A manhole is a confined area entrance, such as a shaft, utility vault, or huge vessel. Manholes are frequently utilized as underground public utility access points, allowing inspection, maintenance, and system upgrades. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.