Technical training
Blade Repair Standard / V4 2023-05-02
Describe situations when blade inspections are required by considering installation, periodic maintenance, end- of-warranty inspections, and when damage is suspected following an incident, such as a bird strike Explain the conditions for accessing a blade for inspection or repair (such as, platforms, rope access) if the blade is on the ground; inspecting a blade from a distance and the inspection methods that can be used in each situation Explain which tools can be used for inspecting a blade from a distance by considering telescopes, cameras and drones, and the limitations and advantages of each tool Facilitate practice to improve the participants’ ability to locate, identify, categorise, and document damage on a wind turbine blade (both on the blade itself and from a distance) using visual inspection, tap testing, a telescope and a camera with a zoom lens Give constructive feedback on the participants’ ability to locate, identify, categorise, and document damage on a wind turbine blade
The participants shall:
Practise the ability to locate, identify, categorise, and document damage on a wind turbine blade (both on the blade itself and from a distance) using visual inspection, tap testing, a telescope and a camera with a zoom lens
ELEMENT 21.7 - TYPES OF DAMAGE
Learning objectives:
198) The participants can describe situations when a blade inspection might be required, the methods that can be utilised to access a blade and the methods that can be used to perform a blade inspection (Knowledge, basic level) 199) The participants can act independently in locating, identifying, categorising and documenting damage on a wind turbine blade (Ability, intermediate level)
The instructor shall:
Create an exercise where the participants must locate, identify, and categorise the damage to a wind turbine blade. The damage must include the following: an area of delamination, cracks in the surface layers of gelcoat and paint, cracks in the laminate and holes through to the core material The areas of damage must cover different categories of damage and must include damage that can only be found by using a specific angle of lighting
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