Condition Assessment Scheme (CAS)

Condition Assessment Scheme
Condition Assessment Scheme

CAS is applicable to the single-hull tanker. The ship shall comply with CAS requirements and guidelines as laid down by MEPC.

Condition Assessment Scheme (CAS) is a requirement of Reg 20 of MARPOL Annex I. It is intended to focus on the Category 2 tankers (Deadweight 20000 and above ) and Category 3 tankers ( DWT between 5000 and 20000 ).


The main purpose of CAS was to phase out those Category 2 tankers and Category 3 tankers mentioned above during 2005 and 2010.

Only those tankers that pass the CAS survey requirements, can be operated beyond 2010. Anyway, such tankers are to be completely
disappeared from service beyond 2015, on the time of their Anniversary Date /or/ the age of 25years whichever is the earlier.

CAS is not valid anymore.

Summary

Condition Assessment Scheme (CAS) is applicable to all single-hull tankers of 15 years, or older.  Regulation 20 of MARPOL Annex I allows the Administration (flag State) to permit continued operation of category 2 or 3 tankers beyond 2010 subject to satisfactory results from the CAS, but the continued operation must not go beyond the anniversary of the date of delivery of the ship in 2015 or the date on which the ship reaches 25 years of age after the date of its delivery, whichever is earlier. 

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