Annex – Definitions for the Cost Effectiveness Formula in Regulation 13.7.5 of the Revised MARPOL Annex VI
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Annex – Definitions for the Cost Effectiveness Formula in Regulation 13.7.5 of the Revised MARPOL Annex VI

 This circular is being made available for use by engine manufacturers, shipowners, designers, naval architects and Administrations, to provide guidance in the use of the Cost/Effectiveness Formula, as set out in regulation 13.7 to MARPOL Annex VI.

 This circular will assist those identified in assessing whether Approved Methods for existing engines, as described in regulation 13.7 of MARPOL Annex VI, could be approved.

 The values as identified in the aforementioned Formula are defined as follows:

  • ΔNOx: The difference between the engine’s designed weighted specific NOx value and the applicable limit as stated in regulation 13.7.4.

  • Power: The rated power (kW) of the engine(s) as defined on the application for an Approved Method.

  • Cost: The sale price of the components plus any installation cost above that of regular maintenance.

Parent topic: MEPC.1/Circular.678 – Definitions for the Cost Effectiveness Formula in Regulation 13.7.5 of the Revised MARPOL Annex VI – (27 July 2009)
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