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Ballast water management. IMO Legislative Status The BWM Convention will enter into force 12 months after ratification by 30 States, representing 35 per cent of world merchant shipping tonnage. Currently 27 countries representing 25.32% of world merchant shipping tonnage

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ballast water management
Ballast water management

IMO Legislative Status

  • The BWM Convention will enter into force 12 months after ratification by 30 States, representing 35 per cent of world merchant shipping tonnage.
  • Currently 27 countries representing 25.32% of world merchant shipping tonnage
  • Implementation dates still important...
ballast water management1
Ballast water management

Entry into force

Summary of implementation dates:

Ship constructed before 2009

BW capacity 1500-5000m3 – have treatment system from first intermediate or renewal survey after anniversary date in 2014

BW capacity less than 1500m3 and greater than 5000m3 – have to have treatment system from first intermediate or renewal survey after anniversary date in 2016 (see IACS clarification MEPC 61)

Ship constructed in or after 2009

BW capacity less than 5000m3 shall have a treatment system installed at its second annual survey and no later than 31/12/2011

Ship constructed after 2009 but before 2012

and with a BW capacity greater than 5000m3 shall have a treatment system from first intermediate or renewal survey after anniversary date in 2016 (see IACS clarification MEPC 61)

Ship constructed in or after 2012

with a BW capacity of greater than 5000m3 shall be constructed with a BW treatment system

ballast water management2
Ballast water management

The Challenges:

  • Compliant systems for the Convention and regional legislation (i.e. USA - NY, CA x100 to x1000 beyond IMO)
    • Owner compliance with US or IMO standards
  • Installation of treatment systems that have not been tried and tested on a larger scale
    • MEPC 62 Review:
      • Installation realities – capability of industry to install systems in time frame (2012-2016, ~50,000 ships)
      • Contract realities – how many owners planning to install systems (INTERTANKO member survey)
  • Integrity of type approval process (i.e., credibility of testing laboratories)

INTERTANKO would encourage and call for the establishment of uniform industry best practice based on the principles of the IMO Convention.