35 CLOCK HOURS
Upon completion of the course, the student should be able to perform service and transmission pipeline related work.
Prerequisites: The student must have successfully passed the HIWT Gas Metal Arc Welding Basic course. If this course has not been completed, the following prerequisite test is required:
Pass a 3/8-inch plate open root guided bend test in the horizontal, vertical down, and overhead positions, and a written test. Prerequisite testing charge is $150.00.
Course objective: To produce quality single V-groove welds on 6-inch schedule 80 carbon steel pipe in the 2G and 5G fixed positions, using short-circuiting metal transfer. This course also develops skills for Welder, Arc (DOT 810.384-014).
Course content: This course provides the student with a thorough technical understanding of gas metal arc welding, preparation for welding pipe and pipe welding defects. It provides training to develop the skills necessary to produce quality groove welds on 6-inch diameter schedule 80 steel pipe in the 2G and 5G positions.
Testing: To pass this course, the student is required to take two written tests. The student also must pass two practical tests on pipe welded in the 2G and 5G positions. The tests include visual examination and guided bend tests.