4.1 Thickness measurement shall normally be carried
out by means of ultrasonic test equipment. The accuracy of the equipment
shall be proven to the attending surveyor(s) as required.
4.2 One or more of the following fracture detection
procedures may be required if deemed necessary by the attending surveyor(s):
- radiographic equipment
- ultrasonic equipment
- magnetic particle equipment
- dye penetrant
- other equivalent means.
4.3 Explosimeter, oxygen-meter, breathing apparatus,
lifelines, riding belts with rope and hook and whistles together with
instructions and guidance on their use shall be made available during
the CAS survey. A safety check-list shall be provided.
4.4 Adequate and safe lighting shall be provided
for the safe and efficient conduct of the CAS survey.
4.5 Adequate protective clothing shall be made
available and used (e.g. safety helmet, gloves, safety shoes, etc)
during the CAS survey.