DDSN 245 - Civil Drafting, 4 cr. Offered spring. Prereq. DDSN 114 (CADX 110/CRT 182T). Introduces students to computer aided design software for common survey and engineering design and drafting applications. Topics include collection of survey data; the coordinate geometry system; surfaces; subdivision and land planning; road design and corridor modeling; utilities; site grading and drainage; mapping; and 3D visualization.