EEXI - EPL : Is assesment needed to verify that reducted ME Power is sufficient to maintain the manoeuvrability in adverse conditions as per MEPC232/65?

Decarbonization
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Hello All! Is any requirement along with EEXI Tech File to have an additional assessment study to verify that MCR limited is sufficient to maintain the manoeuvaribility of the vsl in adverse conditions?

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Hello @AngelikiK

As far as I am aware, the minimum manoeuvrability criteria are described in Resolution MEPC.232(65) 2013 Interim Guidelines for Determining Minimum Propulsion Power to Maintain the Maneuverability of Ships In Adverse Conditions.

If there is an implemented Engine Power Limitation (EPL) to meet the EEXI requirement, the EPL should be overridable. The EPL sets a semi-permanent, overridable limit on a ship’s maximum power and speed. Since it can be overridden, there is no obligation to check the minimum manoeuvrability criteria in adverse conditions.

However, if there is any permanent modification to the engine that affects the MCR, then the minimum manoeuvrability criteria in adverse conditions should be checked. I recommend checking with the verifier of the EEXI Tech file for any additional requirements they may have.

MEPC.232(65) - 2013 Interim Guidelines for Determining Minimum Propulsion Power to Maintain the Maneuverability of Ships In Adverse Conditions (971.0 KB)

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Thank you so much Stella :slight_smile:

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These guidelines content from 2013 was revised by IMO.
The newest one is from 2021 as IMO MEPC Circ 850 rev3
MEPC.1-Circ.850-Rev.3_2021_Minimal_speed_assessment.pdf (498.4 KB)

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@januszn Thanks for the update!