Class 2 (2nd Engineer) MEKG 📅 Dec 2022

Exam Question

(a) Describe the preparation necessary before the application (in dry dock) of sophisticated or approved long lite coating to the underwater surface of the hull.

(b) State the significance of the roughness profile

Reference Answer

### (a) Preparation for Application of Long-Life Hull Coating
Preparation of the underwater hull in dry dock is the most critical factor determining the success and lifespan of a sophisticated coating system. The process must adhere to stringent standards and is typically supervised by the paint manufacturer's representative. The key stages are:
1. **Dry Docking and Initial Assessment:**
* The vessel is safely positioned on the blocks in the dry dock.

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