Module 1: Introduction to Hydro Blasting and Water Jetting

• Overview of hydro blasting and its industrial applications

• Differences between hydro blasting and abrasive blasting

• Advantages and limitations of water jetting methods

• Common uses in oil & gas, marine, and industrial cleaning

Module 2: Fundamentals of High-Pressure Water Jetting

• Principles of high-pressure water technology

• Flow, pressure, and velocity relationships

• Types of pumps: positive displacement, centrifugal, and plunger pumps

• Nozzle types, configurations, and performance characteristics

Module 3: Surface Preparation Standards and Cleanliness Grades

• WJ1–WJ4 standards explained (NACE/SSPC standards)

• Comparison between dry blasting and wet blasting cleanliness levels

• Surface profile evaluation and inspection techniques

• Determining suitable surface finish for coating application

Module 4: Hydro Blasting Equipment and Setup

• Components of a water jetting system (pump, hoses, guns, nozzles, fittings)

• System assembly and operation checks

• Water filtration and pressure control systems

• Troubleshooting equipment performance

Module 5: Applications of Hydro Blasting and Water Jetting

• Surface preparation prior to coating

• Paint, rust, and scale removal

• Pipeline and vessel cleaning

• Tank and heat exchanger maintenance

• Concrete removal and industrial cleaning tasks

Module 6: Operational Procedures and Techniques

• Pre-job planning and work area preparation

• Safe nozzle handling and standoff distance

• Pressure selection for different materials and surfaces

• Use of robotic and remote-controlled jetting systems

• Efficient cleaning pattern and coverage

Module 7: Safety in Hydro Blasting Operations

• Hazards associated with high-pressure water systems

• PPE requirements and safety zones

• Pressure isolation, tagging, and lockout procedures

• Emergency shutdown and injury prevention

• Jetting gun recoil control and safe communication protocols

Module 8: Environmental and Waste Management Considerations

• Collection and treatment of wastewater

• Disposal of contaminants and debris

• Noise and spray control techniques

• Regulatory compliance with environmental standards

Module 9: Inspection and Quality Control After Water Jetting

• Visual inspection and cleanliness verification

• Surface profile measurement after water jetting

• Testing for soluble salt contamination (Bresle method)

• Documentation and reporting requirements

Module 10: Maintenance, Troubleshooting, and Equipment Care

• Preventive maintenance of pumps, hoses, and nozzles

• Identifying equipment wear and tear

• Common operational faults and corrective actions

• Record-keeping and service log management

Module 11: Case Studies and Practical Demonstrations

• Live demonstration of hydro blasting setup and operation

• Case studies of offshore and industrial cleaning projects

• Practical exercises in surface preparation and inspection