The holder of GBS L-2 certificate are qualified to perform blade service repairs on all types of WTG blades, according to Global Blade Service Standard.
The holder has knowledge for:
Blade design, materials, construction and production process
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 internal and external inspection, assess and categorize damages on blade surface.
Read and use information for service from: Service Work Instruction, Technical Data Sheet
Carry out repairs on blade surface for various types of blades including shell coating and laminate down to core or first two layers of fiberglass.
Leading edge first two layers.
Trailing edge max. 50 mm. crosswise damage.
Replace and test lightning receptor.
Replace stall strips, vortex generators, LE tape and other types of power upgrades.
Fill in inspection report and documentation for damage and repair