IMO Ballast Water Management Convention

50 states representing 34.81% of the total world tonnage signed the BWM Convention.

Current status of BWM Convention

Overview of BWM Convention Requirements

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The BWM Convention is the diminutive term commonly used when referring to the “International Convention for the Control and Management of Ships' Ballast Water and Sediments”, adopted by the International Maritime Organization (IMO) in February 2004. The Convention is composed of 22 Articles, and one Annex with 5 sections (A to E). Since its adoption, 14 Technical Guidelines have been developed to support port state authorities, shipmasters and owners, equipment manufacturers and class societies, and to encourage the harmonized implementation of the different Requirements. We propose you on the below link a summary of the main rules and requirements of the BWM Convention.

BWM Convention and its guidelines on the Globallast website.

Under the BWM Convention, ships should adopt measures for ballast water management, as stated in Regulation B-3 “Ballast Water Management for Ships”.

Implementation schedule:

Ballast water capacity (m3) Keel Laying Date D-2 complicance date
All < EIF First IOPP renewal survey following the date of EIP
All > EIF At delivery

All New Built vessels (vessels constructed after the Entry into force) will have to be delivered with a BWTS. And all Existing vessels (vessels constructed before the date of entry into force) will generally have to  be equipped  by first IOPP (International Oil Pollution Prevention) renewal survey after entry into force.