Download a comprehensive collection of civil engineering drawings showcasing various types of culverts and sumps in AutoCAD DWG files. This resource includes detailed designs for box culverts, pipe culverts, arch culverts, and open sump structures. Each drawing provides precise specifications for dimensions, reinforcement details, load-bearing capacities, inlet and outlet structures, and water flow management. Ideal for civil engineers, architects, and infrastructure planners, these DWG files are essential for designing efficient drainage and water flow systems in residential, commercial, and industrial projects.