Corrugated metal pipe (TMC) technical detail for culvert installs. profile & cross-section A-A views incl. bolting patterns and plate overlaps. Specs for galvanized steel per ASTM A-123 (90-micron min. coating) and steel grade per AASHTO M-218 / M-167. Ring length set at 0.81m; dia. and thk. are variable. Notes on longitudinal seams and anchor bolts (ASTM 153-A-449) included. Use for drainage, sewage, or road infrastructure projects. Detalle técnico de tubería metálica corrugada (TMC) para alcantarillas