UR Z - Survey and Certification

UR Z13 Voyage repairs and maintenance - Rev.3 Jan 2011

UR Z15 Rev1 Corr1 CLN

UR Z15 Hull, structure, equipment and machinery surveys of mobile offshore drilling units - Rev.1 Corr.1 Oct 2016

Note: UR Z15 Rev.2 will come into force on 1 July 2019 and can be found in "Revision History" 

UR Z16 Periodical surveys of cargo installations on ships carrying liquefied gases in bulk Rev.4 Oct 2013

UR Z17 Procedural requirements for service suppliers - Rev.12 Nov 2016 Clean.

Note: UR Z17 Rev 13 will come into force on 1 January 2019 and can be found in "Previous Revisions" 

UR Z18 Survey of machinery - Rev.7 June 2017 Clean

Note: UR Z18 Rev.8 will come into force on 1 July 2019 and can be found in "Revision History" 

UR Z19 New

UR Z19 Calibration of measuring equipment - April 1999

UR Z20 Planned maintenance scheme (PMS) for machinery - May 2001

Note: UR Z20 Rev.1 will come into force on 1 July 2019 and can be found in "Revision History" 

UR Z21 Surveys of propeller shafts and tube shafts - Rev.4 Oct 2015

Survey requirements for automatic air pipe heads - Deleted July 2014

UR Z23 Hull survey for new construction - Rev.6 Nov 2016 Clean.

UR Z24 Survey requirements for shell and inner doors of ro-ro ships - Corr.1 July 2011

UR Z25 Periodic Survey of Fuel Installations on Ships other than Liquefied Gas Carriers utilizing gas or other low flash point fuels - Jan 2017.

Note: UR Z25 Rev 1 will come into force on 1 January 2019 and can be found in "Previous Revisions" 

UR Z26 New

UR Z26 Alternative Certification Scheme (ACS) - Feb 2015

UR Z27 New

UR Z27 Condition Monitoring and Condition Based Maintenance - New July 2018.

Note: UR Z27 New will come into force on 1 January 2020 

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