Section 3 Defect correction procedures
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Clasifications Register Guidance Information - Guidance Notes for the Classification of Special Service Craft – Version 1.0 Design Details, July 2013 - Chapter 3 Construction Tolerances and Defect Correction Procedures for Steel/Aluminium Construction - Section 3 Defect correction procedures

Section 3 Defect correction procedures

Parent topic: Chapter 3 Construction Tolerances and Defect Correction Procedures for Steel/Aluminium Construction

3.1 Inspection and testing

3.1.1 The fabrication specification should state the extent of visual inspection and non-destructive examination along with details of the techniques and the appropriate acceptance criteria.

3.1.2 All non-destructive examination should be in accordance with written procedures. (See also Pt 6, Ch 2 Construction Procedures and Pt 7, Ch 2 Construction Procedures of the Rules for Special Service Craft for steel and aluminium craft respectively).

3.1.3 Quality control levels for weld flaws found by radiographs, ultrasonic testing, magnetic particle and dye penetrant inspection, as appropriate, are to be approved by LR and shall be imposed during fabrication as a means of quality control.

3.1.4 Welded joints critical to the integrity of the structure should be subjected to radiographic examination and/or, where applicable, surface examination during construction. This non-destructive examination should be carried out prior to delivery, after the completion of welding and prior to any coating which would adversely effect the type of non-destructive examination being undertaken. Any repairs resulting from the testing are be re-examined.

3.1.5 Any necessary repairs and corrective actions are to be carried out to the satisfaction of the LR Surveyor and in accordance with an agreed procedure.

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