Underwater Welding & Metal Cutting Training Course

Course Introduction

The Underwater Welding & Metal Cutting training course aims to equip trainees with specialized knowledge, practical skills, and professional certification in the field of underwater welding and cutting, specifically serving the oil & gas industry, shipbuilding, and marine construction.

Target Audience

  • Commercial divers who have completed basic training.
  • Laborers with experience operating mechanical equipment and basic welding knowledge.
  • Technicians wishing to advance their underwater construction skills.

Training Objectives

Knowledge

  • Understand the principles of arc welding and cutting in both underwater and onshore environments.
  • Master the structure of welding equipment, multi-position welding techniques, and weld quality inspection.
  • Know how to prevent accidents and ensure labor safety underwater.

Skills

  • Operate and maintain welding and cutting equipment correctly.
  • Practice welding in various positions (1F – 4F, 1G – 3G).
  • Perform underwater steel cutting using electric arc and oxy-arc methods.

Professional Attitude

  • Cultivate a high sense of responsibility, caution, and discipline when working underwater.

Training Curriculum Content

Part 1: Basic Onshore Welding & Cutting

Duration: 80 hours

  • Basic theory of Shielded Metal Arc Welding (SMAW).
  • Classification of welds, base metals, and electrodes.
  • Grinding techniques and safe use of welding/cutting equipment.
  • Practical welding: 1F, 2F, 3F, 1G, 2G, 3G positions.
  • Onshore metal cutting using arc cutting machines and grinders.

Part 2: Underwater Welding & Cutting (Wet Welding)

Duration: 100 hours

  • Overview of underwater wet and dry welding technologies.
  • Techniques for selecting and using specialized welding rods.
  • Setting up safe electrical currents for underwater work.
  • Practical welding: 1F, 2F, 3F, 1G, 2G, 3G positions.
  • Risk assessment, prevention of electrical shock, oxygen deficiency, and explosion incidents.
  • Underwater welding practice with positions: 3G, T-joint, Fillet weld.
  • Practice underwater steel cutting using electric arc and oxy-arc methods.

Part 3: Testing and Evaluation

  • Review of theoretical knowledge and practice.
  • Practical skills assessment exam for welding and cutting.
  • Feedback, skill improvement, and issuance of course completion certificates.

Duration and Format

  • Total duration: 200 hours (~25 days).
  • Format: Combination of theory and practice at the center and in actual water environments.
  • Language: Vietnamese (interpretation support available if needed).
  • Class opening condition: Minimum of 08 trainees per class.

Certification and Validity

Trainees who complete the course will be awarded a Certificate of Training in Underwater Welding & Metal Cutting. The certificate is valid nationwide, has no expiration date, and is recognized by major construction projects and contractors.