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Marine order 12—Construction—subdivision and stability, machinery and electrical installations

Stable and mechanically sound vessels.

Current Marine Order 12 (Construction – subdivision and stability, machinery and electrical installations) 2023
Commenced
About

Marine order 12 implements internationally consistent standards for construction of vessels in relation to: 

  • subdivision and stability
  • machinery and electrical installations.

It also sets the additional requirements for Regulated Australian Vessels that are offshore supply vessels.

International vessels visiting Australian ports may be subject to a port State control inspection to ensure they meet these standards.
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Legislation and incorporated material
Superseded
Refer to the Federal Register of Legislation for previous versions of this marine order.
Reference

List of material referenced in this marine order: 

  • Doors in watertight bulkheads of cargo ships and passenger ships, UI SC156, International Association of Classification Societies (IACS)
  • Explanatory notes to the SOLAS Chapter II-1 subdivision and damage stability regulations, IMO resolution MSC.281(85) (access)
  • Guidance for watertight doors on passenger ships which may be opened during navigation, IMO circular MSC/Circ.1380 (access)
  • Guidelines for construction, installation maintenance and inspection/survey of means of embarkation and disembarkation, IMO circular MSC.1/Circ.1331 as amended from time to time (access)
  • Guidelines for Anchor Handling Winches, IMO circular MSC.1.Circ.1662 (access)
  • Guidelines for Lifting Appliances, IMO circular MSC.1.Circ.1663 (access)
  • Guidelines for vessels with dynamic positioning systems, IMO circular MSC.1/Circ.645 (access)
  • International Convention for the Safety of Life at Sea (SOLAS) – Chapter II-1 (access)
  • Guidelines for the design and construction of offshore supply vessels 2006 (OSV Guidelines), IMO resolution MSC.235(82) as amended from time to time (access)
  • International code on intact stability, 2008 (2008 IS Code), IMO resolution MSC.267(85) as amended from time to time (access)
  • AS 1735.1:2003 and Amdt 1-2006, Lifts, escalators and moving walks – general requirements (access)
  • ISO 8383:1985, Lifts on ships – specific requirements (access)
  • Revised model test method under Resolution 14 of the 1995 SOLAS Conference, IMO resolution MSC.141(76) (access)
  • ISO 5488:2015, Ships and marine technology – accommodation ladders (access)
  • ISO 7061:2015, Ships and marine technology – aluminium shore gangways for seagoing vessels (access)
  • ISO 7364:2016, Ships and marine technology – deck machinery – accommodation ladder winches (access)
  • The annex to resolution 14 of the 1995 SOLAS Conference (SOLAS/CONF.3/46) (PDF, 256KB) PDF256.11 KB
  • Code of practice for the training and experience of key DP personnel, International Marine Contractors Association (IMCA) 
Author

Policy and Regulation
Last updated: 1 May 2026

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