The holder of GBS L-1 certificate are qualified to perform blade service inspection on all types of WTG blades, according to Global Blade Service Standard.
The holder has knowledge to:
- Describe the general construction of WTG blades
- Describe health risk involved when handling polyester, epoxy and isocyanates
- Use correct terms for blade communication
- Recognize different types of defects and damages
- Assess and categorize defects and damages
And have competences to:
- Carry out General Visual Inspection, from ground level
- Carry out Close Visual inspection, use of hands, tape measures, photo cards, off rope or crane
- Carry out Detailed Visual Inspection. Use of tools to further inspection of damage by sanding away damaged paint/gelcoat, and visually inspect laminate, and bonded joints
- Carry out minor cosmetic repair of surface coatings
- Fill in blade status report
