7 Procedures for thickness measurements
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 2011 ESP Code – International Code on the Enhanced Programme of Inspections During Surveys of Bulk Carriers and Oil Tankers, 2011 – Resolution A.1049(27) - Annex B – Code on the Enhanced Programme of Inspections During Surveys of Oil Tankers - Part B – Code on the Enhanced Programme of Inspections During Surveys of Oil Tankers other than Double-Hull Oil Tankers - 7 Procedures for thickness measurements

7 Procedures for thickness measurements

Parent topic: Part B – Code on the Enhanced Programme of Inspections During Surveys of Oil Tankers other than Double-Hull Oil Tankers

7.1 General

  7.1.1 The required thickness measurements, if not carried out by the Administration, shall be witnessed by a surveyor of the Administration. The surveyor shall be on board to the extent necessary to control the process.

  7.1.2 The thickness measurement firm shall be part of the survey planning meeting to be held prior to commencing the survey.

  7.1.3 Thickness measurements of structures in areas where close-up surveys are required shall be carried out simultaneously with close-up surveys.

  7.1.4 In all cases the extent of the thickness measurements shall be sufficient as to represent the actual average condition.

  7.1.5 Procedural requirements for thickness measurements are set out in annex 13.

7.2 Certification of thickness measurement company

 The thickness measurements shall be carried out by a qualified firm certified by the Administration according to principles stated in annex 7.

7.3 Reporting

  7.3.1 A thickness measurement report shall be prepared and submitted to the Administration. The report shall give the location of measurements, the thickness measured as well as the corresponding original thickness. Furthermore, the report shall give the date when the measurements were carried out, type of measuring equipment, names of personnel and their qualifications and be signed by the operator. The thickness measurement report should follow the principles as specified in the recommended procedures for thickness measurements set out in annex 10.

  7.3.2 The surveyor shall review the final thickness measurement report and countersign the cover page.

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