Code for the Construction and Equipment of. Mobile Offshore Drilling Units, Edition. Erratum. December On page , in the. On page 77, paragraph , delete the second sentence so that the amended paragraph reads as follows: “ Audible signals in high noise areas should be . IMO Code for the Construction and Equipment of Mobile Offshore · Drilling Units, ( MODU CODE). Tags: IMO MODU Code.
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Alarms should be maintained until they are accepted and the visual indications should remain until the fault has been corrected, when the alarm system should automatically reset to the normal operating condition. Upon reactivation of control power, each such valve should remain closed until the ballast control operator assumes control of the reactivated system.
In such cases the mat or similar supporting structure should be ignored in the calculation of freeboard. Provision should be made to reduce the flash rate to 60 flashes per minute should a helicopter be on the helideck. Mio should conform to the same height limitations specified in paragraph Ducts with a cross-sectional area exceeding 0. Class es of extinguisher s.
The independent local control of each ballast pump and of its associated ballast tank valves should be in the same location. The prototype test should be carried out before the door is fitted. The modes of operation of a unit include the following:. The distribution of these loads in the hull structure should be determined by a method of rational analysis.
An Administration may exempt any unit which embodies features of a novel kind from any of the provisions of the Code the application of which might impede research into the development of such features. It should be possible to achieve the severe storm condition without the removal or relocation of solid consumables or other variable load.
The main steering midu and the auxiliary steering gear should be so arranged that a single failure in one of them so far as is reasonable and immo will not render the other one inoperative. In these cases, smaller bilge wells to cover a reasonable period of time may be permitted. If the unit does not have a navigating bridge, the flares should be stowed in a location acceptable to the Administration.
If a unit is assigned a greater than minimum freeboard at the request of cove owner, regulation 6 6 need not apply. The pipes and hydrants should be so placed midu the fire hoses may be easily coupled to them.
Where such joints are unavoidable, the plate material properties and inspection procedures selected to prevent lamellar tearing should be to the satisfaction of the Administration.
Code for the Construction and Equipment of Mobile Offshore Drilling Units – Lexology
Paris MoU detentions during Most Read Cyber Security Highlights: However, in units with high suction lifts, booster pumps and storage tanks may be installed, provided such arrangements will satisfy all the provisions of paragraphs 9. Where a combination of 20012 colours is required to give adequate conspicuity against changing backgrounds, they should preferably be orange and white, or red and white, and should be arranged in five alternate bands the first and last band being the darker colour.
Where the control system comprises a hydraulic telemeter, the Administration may waive the provisions for a second independent control system. If the liferaft or liferafts cannot be readily transferred for launching on either side of the unit, the total capacity available on each side should be sufficient to accommodate the total number of persons on board. In determining the acceptability of such criteria, the Administration should consider at least the following and clde into account as appropriate:.
Surface units should be equipped with an electronic motion-sensing system capable of measuring or calculating the magnitude and rate of pitch roll and heave at the helideck about the true vertical datum. The rated capacity for each reeving should be included in the operating manual.
2009 Code for the Construction and Equipment of Mobile Offshore Drilling Units
If questions are raised regarding the content, the original version of the regulatory framework as published through the official channels prevails. Equipment classified in accordance moddu the following protection classes may be used:. In the case of square or rectangular decks there should be a minimum of four lights along each side including a light at each corner of the TLOF. For a period of 18 h, one of the fire pumps, if dependent upon the emergency generator for its source of power.
Your email address will not be published. Such heeling moment determination should include lift and drag effects at various applicable heel angles. Endorsement to extend the validity of the certificate until reaching the port of survey where paragraph 1.
Any such unit should, however, comply with safety requirements which, in the umo of that Administration, are adequate for the service intended and are such as to 22012 the overall safety of the unit. When applicable, the Government of the port or coastal State concerned should ensure that the unit should not continue to operate until it can do so without danger to persons, the environment or the unit.
However, where more than one propeller is designed to operate simultaneously, these propellers may be controlled by a single control device. Special consideration should be given to the design of bilge lines passing through ballast tanks taking into account effects ijo corrosion or other deterioration.
The manual should be updated as necessary, and an updated copy maintained on board. However, hold-back arrangements incorporating remote release fittings of the fail-safe type may 2021 utilized.
IMO 2009 MODU CODE
Public spaces are those portions of the accommodation which are used for halls, dining rooms, lounges and similar permanently enclosed spaces. The information should be referenced in the operating manual, readily identified, located in an easily accessible place on the unit and be available at all times. Table — Recommended number and distribution of additional portable extinguishers. A portable extinguisher provided for that space may be located outside near the entrance to that space.
Where such an opening is in or under a door, the total net area of any such opening or openings should not exceed 0. Units should be provided with at least two independent means for communicating orders from the navigating bridge to the position in the machinery space or control room from which the engines are normally controlled, one of which should provide visual indication of the orders and responses both in the engine-room and on the navigating bridge.