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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Control stations for activating the alarm should be installed to the satisfaction of the Administration. Restrictions or prohibitions regarding repairs or modifications should be included.


The obstacle-free sector marking should indicate the origin of the obstacle-free sector, the directions of the limits of the sector and the verified D-value of the helideck. Adequate provisions should be made to facilitate cleaning, inspection and maintenance. In these cases, smaller bilge wells to cover a reasonable period of time may be permitted.

Relaties 0 relaties gevonden bij document. Surface units should be equipped with an electronic motion-sensing moodu capable of measuring or calculating the magnitude and rate of pitch roll and heave at the helideck about the true vertical datum.

The arrangement at the emergency switchboard should be such that the interconnector feeder is disconnected automatically at the emergency switchboard upon failure of the main power supply. In all cases, the selection of the fire extinguishing medium should be based on the fire hazard for the space protected. Special consideration should be given to the design of bilge lines passing through ballast tanks taking into account effects of corrosion or other deterioration.

Chapter 07 Machinery and electrical installations for self-propelled units Chapter 7 – Machinery and electrical installations for self-propelled units. This design analysis should be to the satisfaction of the Administration.

Code for the Construction and Equipment of Mobile Offshore Drilling Units – Lexology

A copy of the continuous survey programme, together with the record of the surveys, should be kept on board the unit and the certificate annotated accordingly. Where more pumps than required are installed, their capacity should be to the satisfaction of the Administration. Distinctive identification name or number.


Facilities should be available enabling such a connection to be used on any side of the unit. Where such valves are located in normally 202 spaces below the assigned load line and not provided with high bilge water level alarms, they should be operable from outside the space.


An environmental enclosure for the main switchboard, such as may be provided by a machinery control room situated within the main boundaries of the space, is not to be considered as separating the switchboards from the generators. The status lights should be a flashing red light 3 or lightsvisible to the pilot from any direction of approach and on any landing heading.

Where this is not practicable e. All lifeboats, except free-fall lifeboats, should be turned out from their stowed position without any persons on board, if weather and sea conditions so allow. Consideration should be given to waves of lesser height, where, due to their period, the effects on structural elements may be greater.

If this is impracticable, or if lower temperatures are likely to be encountered, consideration should be given to the provision and maintenance of heating arrangements, acceptable to the Administration, so that ready starting will be assured. All types of MODUs should be fitted with efficient means of communication between the control room, the bridge if provided and position or positions fitted with facilities for operation of radio equipment.

The system should be clearly audible in all spaces that are normally accessible to personnel during routine operations. The Administration should determine the effect of such wing extensions with regard to the provisions relating to the strength of unit based upon length L.

Where mechanical ventilation is applied it should be such that the hazardous enclosed spaces are maintained with underpressure in relation to the less hazardous spaces or areas and non-hazardous enclosed spaces are maintained in overpressure in relation to adjacent hazardous locations. Where lighting is required, the light should come from outside, through the boundaries of the compartment.

If the water consumption for any other fire protection or fire-fighting purpose should exceed the rate of the helicopter deck foam installation, this consumption should be the determining factor in calculating the required capacity of the fire pumps. Jodu control systems essential for the propulsion, control and safety of the unit should be independent or designed such that failure of one system does not degrade the performance of another system. The manuals should, in addition to providing the necessary general information about the unit, contain guidance on and procedures for the operations that are vital to the safety of personnel and the unit.


In the special case of deep tanks situated in any shaft or pipe tunnel, valves on the tanks should be fitted but control in the event of fire may be effected by means of an additional valve on 2102 pipeline or lines outside the tunnel or tunnels.

With internal combustion engine 2 1 in cab and 1 at exterior of engine compartment B Drill floor 2 1 at each exit C Helidecks In accordance with section 9. Spare emergency escape breathing devices should be kept on board to the satisfaction of the Administration.

2009 Code for the Construction and Equipment of Mobile Offshore Drilling Units

The lights should be equally spaced at intervals of not more than 3 m around the perimeter of the TLOF, coincident with the white line delineating the perimeter in paragraph Seal or stamp of the issuing authority, as appropriate. Table – Relationship among temperature class, maximum surface temperature and ignition temperature. The Administration may, given special considerations, permit operation from one side of a division only. Every fire hose should be provided with a dual-purpose nozzle and the necessary couplings.

Where the control system comprises a hydraulic telemeter, the Administration may waive the provisions for a second independent control system. Where arrangements for overriding the shutdown of the main propelling machinery are fitted, these should be such as to preclude inadvertent operation.

The fixed metal ladders or stairways and sea areas in their vicinity should be adequately illuminated by emergency lighting. Currently you have JavaScript disabled. Endorsement to extend the validity of the certificate until reaching the port of survey where paragraph 1.

Their design should have regard to the materials used in construction, the working conditions to which they will be subjected and the environmental conditions.