1.6 Surveys and certification
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Statutory Documents - IMO Publications and Documents - International Codes - 1979 MODU Code – Code for the Construction and Equipment of Mobile Offshore Drilling Units – Resolution A.414(XI) - Chapter 1 – General - 1.6 Surveys and certification

1.6 Surveys and certification

  1.6.1 Each unit should be subject to the surveys specified below:

  • .1 An initial survey before the unit is put into service or before the Certificate required under this section of the Code is issued for the first time, which should include a complete survey of its structure, equipment, fittings, arrangements and material in so far as the unit is covered by the Code. This survey should be such as to ensure that the structure, equipment, fittings, arrangements and material fully comply with the applicable provisions of the Code.

  • .2 Periodical surveys at intervals specified by the Administration, but not exceeding five years, which should be such as to ensure that the structure, equipment, fittings, arrangements and material fully comply with the applicable provisions of the Code.

  • .3 Intermediate surveys at intervals specified by the Administration. but not exceeding thirty months, which should be such as to ensure that the structure, fittings, arrangements, safety equipment and other equipment fully comply with the applicable provisions of the Code and are in good working order. Such intermediate surveys should be endorsed on the Certificate issued under the provisions of this section.

  • .4 Radio station surveys in accordance with 11.10.

  • .5 A survey either general or partial according to the circumstances should be made every time a defect is discovered or an accident occurs which affects the safety of the unit or whenever any significant repairs or alterations are made. The survey should be such as to ensure that the repairs or alterations have been effectively made, are in all respects satisfactory and fully comply with the applicable provisions of the Code.

  1.6.2 These surveys should be carried out by officers of the Administration. The Administration may, however, entrust the surveys either to surveyors nominated for the purpose or to organizations recognized by it. In every case the Administration concerned should fully guarantee the completeness and efficiency of the surveys.

  1.6.3 After any survey under this section has been completed no significant change should be made in the structure, equipment, fittings, arrangements or material covered by the survey, without the sanction of the Administration, except the direct replacement of such equipment and fittings for the purpose of repair or maintenance.

  1.6.4 A Certificate may be issued, after survey in accordance with this section, either by officers of the Administration or by any person or organization duly authorized by it. In every case the Administration assumes full responsibility for the Certificate.

  1.6.5 The Certificate should be drawn up in the official language of the issuing country in the form corresponding to the model given in the Appendix to the Code. If the language used is neither English nor French, the text should include a translation into one of these languages.

  1.6.6 Any exemptions granted under 1.4 should be clearly noted on the Certificate.

  1.6.7 A Certificate should be issued for a period specified by the Administration, and should not exceed five years from the date of issue.

  1.6.8 No extension of the five-year period of validity of the Certificate should be permitted.

  1.6.9 A Certificate should cease to be valid if significant alterations have been made in the construction, equipment, fittings, arrangements or material specified by the Code without the sanction of the Administration, except the direct replacement of such equipment or fittings for the purpose of repair or maintenance, or if surveys as specified by the Administration under the provisions of 1.6.1 are not carried out.

  1.6.10 A Certificate issued to a unit should cease to be valid upon transfer of such a unit to the flag of another country.

  1.6.11 The privileges of the Code may not be claimed in favour of any unit unless it holds a valid Certificate.


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