Breadcrumb Home WLDG Welding WLDG-1317 WLDG-1317: Introduction to Layout and Fabrication Download Catalog PDF Download Page PDF Program WLDG Welding Lecture Hours 2 Lab Hours 4 Credit Hours 3 Course Type N A fundamental course in layout and fabrication related to the welding industry. Major emphasis on structural shapes and use in construction. Prerequisites WLDG-1313, WLDG-1323, WLDG-1425.