International Chamber of Shipping Tripartite Tokyo October 2010 An update on development of International Measures for Minimizing the Transfer of Invasive Aquatic Species through Biofouling of Ships International Chamber of Shipping

The Problem The Scientific Community has agreed that there are three significant vectors responsible for the transfer of Harmful Invasive Aquatic Species – Ballast Water Aquaculture Biofouling Each of the three vectors are considered to be equally responsible for invasions!

IMO developments MEPC 56 approved the inclusion of a high priority work item for the BLG Sub-Committee on the development of international measures BLG 13 agreed to develop Guidelines for the control and management of ships’ biofouling BLG 14 agreed Voluntary nature should be clearly indicated in the Guidelines BLG 15 (7-11 Feb 2011) to Finalize Guidelines developed mainly by intersessional correspondence MEPC 62 (11-15 July 2011) to Adopt Guidelines Potential for Mandatory measures within 5? Years if not sufficient take-up

The “Guidelines” Recommendations for; Biofouling Management Plan and Record Book Antifouling System and maintenance In-Water Inspection, Cleaning and Maintenance Design and Construction Training and Education

Biofouling Management Plan and Record Book To provide effective procedures for biofouling management. Specific for each ship. Details of antifouling systems Identify hull locations subject to biofouling (“niche areas”) Details of recommended operating conditions for AF systems applied Records of anti-fouling systems maintenance, dates of dry-dockings, dates of in-water inspections, dates and details of internal sea water systems inspections “Niche Areas to be identified

“Niche Areas” “Areas of a ship that are more susceptible to biofouling due to different hydrodynamic forces, susceptibility to coating system wear or damage, or being inadequately, or not, painted, e.g., sea chests, bow thrusters, propeller shafts, inlet gratings, dry dock support strips, etc”

Design and Construction Small niches and sheltered areas should be excluded as far as practicable Rounding and bevelling of corners, gratings and hinging of gratings for divers access Capability to blank off sea-chests and other flood spaces for treatment and/or cleaning Internal seawater systems designed to minimize biofouling Sea chests – minimise size and number, fit cleaning systems (e.g. MGPS, steam, hot water) Tunnel thrusters above LWL or accessible to divers Anodes – Flush fitted or gasketed Appropriate Antifouling system for area applied

Thank you