Practical approach for ISO 19030 analysis

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Vessel type: Bulk carrier

Scope of assessment: Counter verification of the claims from various paint suppliers and suggesting the best grade and vendor.

Result: A suitable vendor was suggested to the client for their paint requirement. The client was also notified about the issue in the data quality of their noon report. Recommendations were provided for them to improve data quality.

Background

A leading ship management company recently consulted us for advice on choosing the right marine paint for their vessel which is about to dry dock in 2020. Like any other shipowner in the maritime industry, they were also confused by the promises offered by various paint suppliers regarding the potential fuel savings.

They were confused on choosing different grades (Low friction or Normal) and suppliers as the cost v/s benefit scenario was not clear for them. They were not confident with the reliability and accuracy of the results as it was based on the noon data reports. Theoretical comparison is easy but when it comes to the practical scenario it is difficult to validate the results.

In the view of the above, we suggested they categories the data of different paints used in past. The actual gain was not available with them. So we had to depend on the theoretical data. We decided to conduct an ISO 19030 Analysis with the data available.

ISO 19030 – Speed loss analysis

Even though ISO speed loss analysis is preferred for ADA data, it can also be used for noon data but with correct exemptions followed. The vessel didn’t have monitoring devices and hence ISO alternative methods and data filters have to be implemented carefully. After filtering of data, we got the result with maximum accuracy. Fuel savings from various paints were provided to the client. They used these results to verify the vendor promise and chose the right vendor for their vessel.

With this study, they also understood the issues they are facing with the data quality in their noon reports and have started to take corrective measures with our consultancy.

Speed gain after drydock

Conclusion

Shipowners are always facing difficulty in counter verifying the results submitted by paint suppliers. Even though paint suppliers use ISO methods it is an industrial practice followed by the paint suppliers to use the cubic relation between power and velocity. It is the theoretically correct method, but in reality it varies. So we recommend and follows the usage of actual scenario in our ISO analysis which will give quantifiable results

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