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This standard practice provides a standardized method of measuring hull roughness to enable reproducible and comparable readings from similar gauges regardless of geographical location.
One of the factors affecting a ship's performance and fuel consumption is the roughness of its foul-free underwater hull. the Condition and type of paint system used may have a major influence on hull roughness and ship performance. Hull roughness has a major impact on vessel fuel efficiency and exhaust emissions. This standard focuses on the mechanical roughness of the hull.
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Maintaining the coating technical file (CTF) for ships to comply with the International Maritime Organization(IMO)’s “Performance Standard for Protective Coatings” (PSPC). File formats - electronic and paper. HISTORICAL DOCUMENT.
HISTORICAL DOCUMENT. Measuring hull roughness of vessels in dry-dock. Limited to a methodology—no interpretation presented. Hull roughness has a major impact on vessel fuel efficiency.
With TBT banned and legislation restricting the use of copper and other biocides tightening up, the best approach is a hard, inert long-lasting coating combined with routine in water cleaning.