Sample and appraisal services for a ship implementation plan in preparation for the 0.50% sulphur limit for fuel oils from 2020 Tec No.:TEC- 1179 (595kb) Contact:Machinery Department Issued:29 Mar 2019 The limit of the sulphur content of fuel oils in open sea areas will be tightened from 3.50% to 0.50% on 1 January 2020. In this context, a guidance which recommends for ships to develop a "Ship Implementation Plan" outlining how the ship may prepare in order to comply with the 0.50% sulphur limit has been issued as IMO Circular "MEPC.1/Circ.878". The circular recommends that risk assessment related to switching to 0.50% compliant fuel oil and a schedule for fuel oil system modification and tank cleaning conducted as necessary, and a procurement of compliant fuel oil and fuel oil changeover, etc. are included. In order to help the ClassNK customers who develop the implementation plan, ClassNK has provided its sample where the description example is illust