Annex 7 – Procedures for Certification of a Firm Engaged in Thickness Measurement of Hull Structures
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 - Annex 7 – Procedures for Certification of a Firm Engaged in Thickness Measurement of Hull Structures

Annex 7 – Procedures for Certification of a Firm Engaged in Thickness Measurement of Hull Structures

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

1 Application

 This guidance applies for certification of the firm which intends to engage in the thickness measurement of hull structures of ships.

2 Procedures for certification

Submission of documents

  2.1 The following documents shall be submitted to an organization recognized by the Administration for approval:

  • .1 outline of the firm, e.g. organization and management structure;

  • .2 experience of the firm on thickness measurement of hull structures of ships;

  • .3 technicians' careers, i.e. experience of technicians as thickness measurement operators, technical knowledge and experience of hull structure, etc. Operators shall be qualified according to a recognized industrial non-destructive test (NDT) Standard;

  • .4 equipment used for thickness measurement such as ultrasonic testing machines and their maintenance/calibration procedures;

  • .5 a guide for thickness measurement operators;

  • .6 training programmes for technicians for thickness measurement; and

  • .7 measurement record format taking into account the recommended procedures for thickness measurements (see annex 10).

Auditing of the firm

  2.2 Upon reviewing the documents submitted with satisfactory results, the firm shall be audited in order to ascertain that the firm is duly organized and managed in accordance with the documents submitted, and eventually is capable of conducting thickness measurement of the hull structure of ships.

  2.3 Certification shall be conditional upon an on board demonstration of thickness measurement as well as satisfactory reporting.

3 Certification

  3.1 Upon satisfactory results of both the audit of the firm referred to in 2.2 and the demonstration tests referred to in 2.3, the Administration shall issue a certificate of approval as well as a notice to the effect that the thickness measurement operation system of the firm has been certified.

  3.2 Renewal/endorsement of the certificate shall be carried out at intervals not exceeding three years by verification that original conditions are maintained.

4 Information about any alteration to the certified thickness measurement operation system

 In cases where any alteration to the certified thickness measurement operation system of the firm is made, such an alteration shall be immediately informed to the Administration. A re-audit shall be carried out where deemed necessary by the Administration.

5 Cancellation of approval

 Approval may be cancelled and the certification withdrawn in the following cases:

  • .1 where the measurements were improperly carried out or the results were improperly reported;

  • .2 where the surveyor found any deficiencies in the approved thickness measurement operation system of the firm; and

  • .3 where the firm failed to inform any alteration referred to in 4 to the Administration as required.

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