Marine Orders - Part 47: Mobile Offshore Drilling Units, Issue 2 (Order No. 1 of 2000)
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In this appendix, the following definitions apply:
competent person means a person on board a MODU who has previous experience in MODU operations other than drilling or diving operations and who has the necessary skills to perform the duties required by this appendix;
self-propelled MODU includes:
(a) a MODU equipped with means of propulsion for use, with or without the assistance of tugs, to transfer it from site to site; and
(b) a MODU equipped with means of propulsion to maintain it in position while drilling; and
special personnel means a person, not being the master or a seaman, who is on board a MODU in connection with the purpose of the MODU or any related purpose and who has been given safety instruction at least to the level specified in 14.2.4.
2 Application
This appendix does not apply to a MODU secured at a safe berth or during carriage in transit on a rig transporting vessel.
3 Manning
3.1 The owner of a MODU must ensure that the manning of the MODU comprises at least:
(a) in the case of a MODU at anchor or otherwise connected to the seabed, other than a self-propelled MODU—a person-in-charge and such number of competent persons as determined by the owner to be sufficient to undertake normal operations and emergency procedures; or
(b) in the case of a manned MODU under tow, other than a self-propelled MODU—a person-in-charge and, subject to 3.2 and 3.3, such number of persons as determined by the owner to be sufficient to undertake towage operations and emergency procedures; or
(c) in the case of a self-propelled MODU—a person-in-charge and such number of competent persons as determined by the owner to be sufficient to undertake normal operations and emergency procedures and must include no fewer than the number, if any, of persons qualified in accordance with Marine Orders, Part 3, specified in respect of that MODU by the Manager.
3.2 The manning specified in 3.1(b) is to comprise:
(a) persons holding a valid Certificate as Able Seaman or equivalent; and
(b) persons holding a valid Certificate of Safety Training, who have served not less than 2 years in aggregate on MODUs and have previous experience in MODU towage operations,
not fewer than the number specified in the operating manual relating to that MODU, for towage operations and emergency procedures, or where the Manager has specified a number in respect of that MODU, not fewer than that number.
3.3 The owner of a manned MODU under tow must ensure that the MODU carries as part of its crew at least one person holding a valid GMDSS operator certificate, and a sufficient number of other persons capable of communicating with the towing vessels so as to ensure that communication can be maintained at all times.
Part Appendix 1 - Marine Orders - Part 47: Mobile Offshore Drilling Units, Issue 2 (Order No. 1 of 2000) - Appendix 1 | Zoe
4 Person-in-charge
Note: Various persons may be appointed person-in-charge, according to shift and according to the mode of operation of the MODU.
4.1 A person must not be appointed person-in-charge during any mode of operation of a MODU unless that person is:
(a) well acquainted with the characteristics, capabilities and limitations of the MODU during that mode;
(b) capable of directing all tasks relevant to the MODU's operation in that mode; and
(c) capable of directing emergency procedures.
4.2 A person must not be appointed person-in-charge of a self-propelled MODU under way unless that person is:
(a) the master of the MODU; and
(b) holder of a valid Certificate of Competency as Master Class 1.
Note: It is not necessary for a master of a MODU to be person-in-charge, when the MODU is anchored or otherwise connected to the seabed.
4.3 A person must not be appointed person-in-charge of a manned MODU, other than a self-propelled MODU, under tow unless that person is:
(a) well experienced in all aspects of MODU-towing operations; and
(b) holder of a valid Certificate of Competency as Master Class 1 or is assisted by a person on board holding such a qualification.
4.4 The person appointed in charge of an unmanned MODU under tow must be the master of a vessel towing the MODU.
4.5 For the purposes of 4.3 and 4.4, an unmanned MODU will continue to be treated as unmanned even though persons are aboard for short periods to carry out inspections, or to maintain, adjust or reconnect towing gear.
5 Duration of responsibility
5.1 Whenever a person assumes the duties of person-in-charge, an entry to this effect, including the time of changeover, must be made in the appropriate logbook.
5.2 The person-in-charge remains person-in-charge for the purposes of this Part, from the time of signing on in the logbook as person-in-charge to the time of signing off.
5.3 Changeover of person-in-charge must be effected in accordance with the procedures specified in the operating manual relating to the MODU.
6 Responsibilities of person-in-charge of a MODU under tow
6.1 The person-in-charge of a MODU under tow must, prior to the tow commencing:
(a) ensure by inspection that:
(i) the towing gear, including emergency towing gear, is set up in accordance with the appropriate arrangement specified in the operating manual relating to that MODU, for the intended voyage;
(ii) the towing arrangements on each towing vessel are sound;
(iii) the connecting arrangements between the towing gear on the MODU and on each towing vessel are sound; and
(b) certify in the logbook that the inspections have been carried out and that the towing arrangements, including emergency towing arrangements, are in all respects fit for the intended voyage.
6.2 While a MODU is under tow, the person-in-charge must:
(a) ensure the operational safety of the MODU;
(b) direct all emergency operations, including if considered necessary, abandonment of the MODU;
(c) in consultation with the master on each towing vessel, determine the course to steer and the speed;
(d) ensure the safety and direct any necessary adjustment of the towing gear on the MODU;
(e) direct the release of towing gear; and
(f) direct the preparation, connection and use, if necessary, of emergency towing gear.
6.3 A person-in-charge being assisted by a person holding a valid Certificate of Competency as Master Class 1 must obtain the advice of that person before carrying out the duties specified in 6.1 and 6.2.