UR Z - Survey and Certification

Voyage Repairs and Maintenance - Rev.3 Jan 2011 Clean.

UR Z15 Hull, structure, equipment and machinery surveys of mobile offshore drilling units - Rev.2 June 2018 Clean

Note: UR Z15 Rev.3 will come into force on 1 July 2020 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.13 Jan 2018 Clean

Note: UR Z17 Rev.14 will come into force on 1 January 2020 and can be found in "Revision History"

UR Z18 Survey of machinery - Rev.8 July 2018 Clean

UR Z19 New

UR Z19 Calibration of measuring equipment - April 1999

UR Z20 Planned maintenance scheme (PMS) for machinery - Rev.1 July 2018 Clean

Note: UR Z20 Rev.2 will come into force on 1 July 2020 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 - Rev.1 Sep 2017 Clean.

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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