CCOG for WLD 293 Winter 2025
- Course Number:
- WLD 293
- Course Title:
- Maritime GTAW Carbon Steel Pipe Applications
- Credit Hours:
- 4
- Lecture Hours:
- 0
- Lecture/Lab Hours:
- 80
- Lab Hours:
- 0
Course Description
Covers gas tungsten arc welding (GTAW) process to weld carbon steel pipes in advanced positions. Prerequisites: WLD 292 or department permission.
Intended Outcomes for the course
Upon successful completion of the course students should be able to:
- Function safely in a welding shop and a shipyard environment.
- Interpret blueprints to lay out, prepare, and assemble pipe coupons.
- Use GTAW equipment according to industry-standard codes.
- Weld full penetration butt joints on carbon steel pipes using GTAW in advanced positions according to industry-standard codes.
- Assess weld quality through the application of visual examination principles and practices in accordance with industry-standard codes.
Course Activities and Design
Each concept will be delivered via a combination of lectures and videos followed by practical demonstrations and hands-on application in the welding lab.
Outcome Assessment Strategies
Oral or written examinations, quizzes, written assignments, visual inspection, welding tests and task performance.
Course Content (Themes, Concepts, Issues and Skills)
- Function safely in the PCC Welding Shop and a Shipyard Environment.
- Understand and practice personal safety by using proper protective equipment (PPE)
- Understand, promote and adhere to a Safety-First culture by following OSHA safety guidelines and requirements at all times.
- Understand and maintain a safe work area
- Recognize and report dangerous electrical and air/gas hose connections
- Understand and practice fire prevention
- Understand first aid protocol in case of an emergency.
- Understand confined and enclosed spaces.
- Understand sitemaps and muster stations.
- Understand fire hydrant locations throughout the shipyard.
- Understand injury reporting procedure.
- Understand ANSI safety color codes.
- Understand and practice power tool safety
- Understand and practice equipment safety for welding, oxy-fuel and carbon arc cutting systems
- Understand and apply fundamentals of GTAW Operations.
- Describe and demonstrate equipment setup, shut down, and operation
- Identify electrode characteristics
- Demonstrate proper arc length and travel speed
- Demonstrate correct starting, stopping and restarting techniques
- Demonstrate proper bead placement
- Interpret blueprints to accurately layout, prepare and assemble weld joints.
- Interpret lines, symbols, views and notes
- Layout material per drawing specification
- Assemble and weld project per specification
- Demonstrate welding 2 inch schedule 80 carbon steel pipe in the 2G, 5G and 6G positions to ASME Section IX Code quality standards.
- Demonstrate correct welding techniques
- Follow welding procedure
- Demonstrate visual examination principles and practices in accordance with ASME Section IX
- Apply visual examination principles and practices in accordance with ASME Section IX.
- Evaluate welds using appropriate welding inspection tools
- Assess weld discontinuities causes and corrections.