Appendix I Summaries of the IACS Resolutions published in 2018
Summary of New/Revisions to IACS Unified Requirements published in 2018
New

RevisedIndex Resolution no.

Revision

Adoption

Title

Deleted/Withdrawn

Implemention
Date

Index Resolution no.

Revision

Adoption

Title

Implemention
Date

1

UR Z10.1

Rev.23

Jan 2018

Hull surveys of oil tankers

01 Jan 201922

UR Z27

New

Jul 2018

Condition Monitoring and Condition Based Maintenance

01 Jan 2020

2

UR Z10.2

Rev.35

Jan 2018

Hull surveys of bulk carriers

01 Jan 201923

UR Z18Rev.8

Jul 2018

Survey of machinery

01 Jul 20193

UR Z10.3

Rev.18

Jan 2018

Hull surveys of chemical tankers

01 Jan 201924

UR Z20

Rev.1

Jul 2018

Planned Maintenance Scheme (PMS) for machinery

01 Jul 2019

4

UR Z10.4

Rev.15

Jan 2018

Hull surveys of double hull oil tankers

01 Jan 201925

UR M78

New

Jul 2018

Safety of internal combustion engines supplied with low pressure gas

01 Jul 2019

5

UR Z10.5

Rev.18

Jan 2018

Hull surveys of double skin bulk carriers

01 Jan 201926

UR M51

Corr.1

Sep 2018

Factory acceptance test and shipboard trials of I.C. engines-

6

UR Z17

Rev.13

Jan 2018

Procedural requirements for service suppliers

01 Jan 201927

UR Z10.2

Rev.33 Corr.1

Sep 2018

Hull surveys of bulk carriers

-

7

UR Z3

Rev.7

Jan 2018

Periodical survey of the outside of the ship’s bottom and related items

01 Jan 201928

UR Z10.2

Rev.34 Corr.1

Sep 2018

Hull surveys of bulk carriers

-

8

UR Z7

Rev.26

Jan 2018

Hull classiﬁcation surveys

01 Jan 201929

UR Z10.2

Rev.35 Corr.1

Sep 2018

Hull surveys of bulk carriers-

9

UR Z7.1

Rev.14

Jan 2018

Hull surveys for general dry cargo ships

01 Jan 201930

UR P2.13

New

Oct 2018

Installation

01 Jan 2020

10

UR Z7.2

Rev.7

Jan 2018

Hull surveys for liqueﬁed gas carriers

01 Jan 201931

UR P2.7.4

Rev.9

Oct 2018

Mechanical joints

01 Jan 2020

11

UR S21A

Corr.1

Feb 2018

Evaluation of scantlings of hatch covers and hatch coamings and closing
arrangements of cargo holds of ships

32

UR E10Rev.7

Oct 2018

Test speciﬁcation for type approval

01 Jan 2020

33

UR Z7

Rev.27

Oct 2018

Hull classiﬁcation surveys

01 Jan 2020

34

UR M79New

Oct 2018

Towing winch emergency release systems

01 Jan 2020

35

UR M3

Rev.6

Nov 2018

Speed governor and overspeed protective device

01 Jan 2020

36

UR D3

Rev.6

Nov 2018

General design parameters

01 Jan 2020

37

UR E24Rev.1

Dec 2018

Harmonic distortion for ship electrical distribution system including
harmonic ﬁlters

01 Jan 2020

Alarms and safeguards for auxiliary reciprocating internal combustion
engines driving generators in unattended machinery spaces

01 Jan 2020
01 Jan 2020

12

13

80

Corrigenda

UR W17

UR W23

Rev.5

Rev.2

Mar 2018

Apr 2018-

Approval of consumables for welding normal and higher strength hull
structural steels

01 Jul 2019

Approval of welding consumables for high strength steels for
welded structures

01 Jul 2019
01 Jul 201914

UR S10

Rev.5

May 2018

Rudders, sole pieces and rudder horns

15

UR G1

Corr.1

May 2018

Cargo containment of gas tankers

16

UR Z15Rev.2

Jun 2018

Hull, structure, equipment and machinery surveys of mobile oﬀshore
drilling units

01 Jul 2019
01 Jul 201939

UR M46Rev.2

Dec 2018

Ambient conditions – inclinations

38

UR M36

Rev.6

Dec 2018

17

UR W13

Rev.6

Jun 2018

Thickness tolerances of steel plates and wide ﬂats

18

UR E11

Corr.1

Jun 2018

Uniﬁed requirements for systems with voltages above 1 kV up to 15 kV-

40

UR D10

DeletedDec 2018

Electrical installations

19

UR E13

Corr.1

Jun 2018

Test requirements for rotating machines

-

41

UR G2

Rev.2

Dec 2018

Liqueﬁed gas cargo tanks and process pressure vessels

01 Jan 2020

20

UR M76

Rev.1

Jun 2018

Location of fuel tanks in cargo area on oil and chemical tankers

01 Jul 2019

42

UR P4

Rev.5

Dec 2018

Production and application of plastic piping systems on ships

01 Jan 2020

21

UR S6

Rev.9

Jul 2018

Use of steel grades for various hull members – ships of 90 m in lengthand above

01 Jul 2019

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies-

81Appendix I Summaries of the IACS Resolutions published in 2018
Summary of New/Revisions to IACS Unified Requirements published in 2018
New

RevisedIndex Resolution no.

Revision

Adoption

Title

Deleted/Withdrawn

Implemention
Date

Index Resolution no.

Revision

Adoption

Title

Implemention
Date

1

UR Z10.1

Rev.23

Jan 2018

Hull surveys of oil tankers

01 Jan 201922

UR Z27

New

Jul 2018

Condition Monitoring and Condition Based Maintenance

01 Jan 2020

2

UR Z10.2

Rev.35

Jan 2018

Hull surveys of bulk carriers

01 Jan 201923

UR Z18Rev.8

Jul 2018

Survey of machinery

01 Jul 20193

UR Z10.3

Rev.18

Jan 2018

Hull surveys of chemical tankers

01 Jan 201924

UR Z20

Rev.1

Jul 2018

Planned Maintenance Scheme (PMS) for machinery

01 Jul 2019

4

UR Z10.4

Rev.15

Jan 2018

Hull surveys of double hull oil tankers

01 Jan 201925

UR M78

New

Jul 2018

Safety of internal combustion engines supplied with low pressure gas

01 Jul 2019

5

UR Z10.5

Rev.18

Jan 2018

Hull surveys of double skin bulk carriers

01 Jan 201926

UR M51

Corr.1

Sep 2018

Factory acceptance test and shipboard trials of I.C. engines-

6

UR Z17

Rev.13

Jan 2018

Procedural requirements for service suppliers

01 Jan 201927

UR Z10.2

Rev.33 Corr.1

Sep 2018

Hull surveys of bulk carriers

-

7

UR Z3

Rev.7

Jan 2018

Periodical survey of the outside of the ship’s bottom and related items

01 Jan 201928

UR Z10.2

Rev.34 Corr.1

Sep 2018

Hull surveys of bulk carriers

-

8

UR Z7

Rev.26

Jan 2018

Hull classiﬁcation surveys

01 Jan 201929

UR Z10.2

Rev.35 Corr.1

Sep 2018

Hull surveys of bulk carriers-

9

UR Z7.1

Rev.14

Jan 2018

Hull surveys for general dry cargo ships

01 Jan 201930

UR P2.13

New

Oct 2018

Installation

01 Jan 2020

10

UR Z7.2

Rev.7

Jan 2018

Hull surveys for liqueﬁed gas carriers

01 Jan 201931

UR P2.7.4

Rev.9

Oct 2018

Mechanical joints

01 Jan 2020

11

UR S21A

Corr.1

Feb 2018

Evaluation of scantlings of hatch covers and hatch coamings and closing
arrangements of cargo holds of ships

32

UR E10Rev.7

Oct 2018

Test speciﬁcation for type approval

01 Jan 2020

33

UR Z7

Rev.27

Oct 2018

Hull classiﬁcation surveys

01 Jan 2020

34

UR M79New

Oct 2018

Towing winch emergency release systems

01 Jan 2020

35

UR M3

Rev.6

Nov 2018

Speed governor and overspeed protective device

01 Jan 2020

36

UR D3

Rev.6

Nov 2018

General design parameters

01 Jan 2020

37

UR E24Rev.1

Dec 2018

Harmonic distortion for ship electrical distribution system including
harmonic ﬁlters

01 Jan 2020

Alarms and safeguards for auxiliary reciprocating internal combustion
engines driving generators in unattended machinery spaces

01 Jan 2020
01 Jan 2020

12

13

80

Corrigenda

UR W17

UR W23

Rev.5

Rev.2

Mar 2018

Apr 2018-

Approval of consumables for welding normal and higher strength hull
structural steels

01 Jul 2019

Approval of welding consumables for high strength steels for
welded structures

01 Jul 2019
01 Jul 201914

UR S10

Rev.5

May 2018

Rudders, sole pieces and rudder horns

15

UR G1

Corr.1

May 2018

Cargo containment of gas tankers

16

UR Z15Rev.2

Jun 2018

Hull, structure, equipment and machinery surveys of mobile oﬀshore
drilling units

01 Jul 2019
01 Jul 201939

UR M46Rev.2

Dec 2018

Ambient conditions – inclinations

38

UR M36

Rev.6

Dec 2018

17

UR W13

Rev.6

Jun 2018

Thickness tolerances of steel plates and wide ﬂats

18

UR E11

Corr.1

Jun 2018

Uniﬁed requirements for systems with voltages above 1 kV up to 15 kV-

40

UR D10

DeletedDec 2018

Electrical installations

19

UR E13

Corr.1

Jun 2018

Test requirements for rotating machines

-

41

UR G2

Rev.2

Dec 2018

Liqueﬁed gas cargo tanks and process pressure vessels

01 Jan 2020

20

UR M76

Rev.1

Jun 2018

Location of fuel tanks in cargo area on oil and chemical tankers

01 Jul 2019

42

UR P4

Rev.5

Dec 2018

Production and application of plastic piping systems on ships

01 Jan 2020

21

UR S6

Rev.9

Jul 2018

Use of steel grades for various hull members – ships of 90 m in lengthand above

01 Jul 2019

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies-

81Summary of New/Revisions to IACS Unified Requirements published in 2018
1. UR Z10.1 (Rev.23 Jan 2018)

12. UR W17 (Rev.5 Mar 2018)

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DQGUHOHYDQW85=V

The requirements give the conditions of approval and inspection of welding consumables used for hull structural steel according to
UR W11. The revision aligned UR W17 with UR W16 and introduced new grade of 5Y40 consumable.

13. UR W23 (Rev.2 Apr 2018)
2. UR Z10.2 (Rev.35 Jan 2018)
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VHULHVRILWHPVRI85=VZHUHDPHQGHGLQDFFRUGDQFHZLWKWKH(63&RGH7KLVUHYLVLRQDOVRLQWURGXFHGQHZSURYLVLRQVLQWRWKH
(63&RGHDQGUHOHYDQW85=V

3. UR Z10.3 (Rev.18 Jan 2018)
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carriage of dangerous chemicals in bulk. The UR was revised considering new technologies on Remote Inspections (RIT). A series of
LWHPVRI85=VZHUHDPHQGHGLQDFFRUGDQFHZLWKWKH(63&RGH7KLVUHYLVLRQDOVRLQWURGXFHGQHZSURYLVLRQVLQWRWKH(63&RGH
DQGUHOHYDQW85=V

14. UR S10 (Rev.5 May 2018)856DSSOLHVWRRUGLQDU\SUR¿OHUXGGHUVDQGWRVRPHHQKDQFHGSUR¿OHUXGGHUVZLWKVSHFLDODUUDQJHPHQWVIRULQFUHDVLQJWKH
rudder force. This revision improved the requirements for dimensions of the gudgeon and the cone coupling push-up length. ThisUHYLVLRQDOVRFRUUHFWHGLQFRQVLVWHQFHVDQGFODUL¿HGUHTXLUHPHQWVLGHQWL¿HGLQWKHWH[WRI5HYDQG$QQH[HV

15. UR G1 (Corr.1 May 2018)85*SURYLGHVJHQHUDOSULQFLSOHVZKLFKDUHDSSOLHGE\FODVVL¿FDWLRQVRFLHWLHVIRUDSSURYDODQGVXUYH\RIWKHUHOHYDQWLWHPVRI
OLTXH¿HGJDVWDQNHUVIRUFODVVL¿FDWLRQSXUSRVHV7KHWH[WIRU*ZDVFRUUHFWHGDV³«3PD\EHLQFUHDVHGWRDKLJKHUYDOXHEXWQRWOHVVWKDQ1PP EDU ´

4. UR Z10.4 (Rev.15 Jan 2018)
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16. UR Z15 (Rev.2 Jun 2018)
7KHUHTXLUHPHQWVDSSO\WRDOO0RELOH2̆VKRUH'ULOOLQJ8QLWVDIWHUWKHLUFRQVWUXFWLRQIRUVXUYH\VRIWKHKXOOVWUXFWXUHHTXLSPHQWDQGPDFKLQHU\VXEMHFWWRFODVVL¿FDWLRQ7KH85ZDVUHYLVHGFRQVLGHULQJQHZWHFKQRORJLHVRQ5HPRWH,QVSHFWLRQV 5,7 

5. UR Z10.5 (Rev.18 Jan 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGGRXEOHVNLQEXONFDUULHUV$VHULHVRILWHPVRI85=VZHUHDPHQGHGLQDFFRUGDQFH
ZLWKWKH(63&RGH7KLVUHYLVLRQDOVRLQWURGXFHGQHZSURYLVLRQVLQWRWKH(63&RGHDQGUHOHYDQW85=V

6. UR Z17 (Rev.13 Jan 2018)85=VHWVPLQLPXPUHTXLUHPHQWVIRUDSSURYDODQGFHUWL¿FDWLRQRIVHUYLFHVXSSOLHUVDQGLVDSSOLFDEOHWRERWKLQLWLDODQGUHQHZDO
audits. The UR was revised considering new technologies on Remote Inspections (RIT). This revision also provided clarity by
VSHFLI\LQJWKHDSSOLFDELOLW\WRPRELOHR̆VKRUHGULOOLQJXQLWV 02'8 

17. UR W13 (Rev.6 Jun 2018)
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regardless of thickness for tolerance on nominal thickness, structural steel plates as per UR W11 and high strength steel plates for
welded structure as per UR W16. Further minor changes were introduced.

18. UR E11 (Corr.1 Jun 2018)
The requirements apply to A.C. three-phase systems with nominal voltage exceeding 1kV – the nominal voltage is the voltage
between phases. This corrigendum updated the international standards referred to in UR E11.

7. UR Z3 (Rev.7 Jan 2018)
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XVHRI5HPRWHO\2SHUDWHG9HKLFOHV 529V DQGWRSURSRVHDSRVVLEOHOLVWRIVHUYLFHVXSSOLHUVWKDWQHHGWREHFHUWL¿HG

19. UR E13 (Corr.1 Jun 2018)
UR E13 provides test requirements for rotating machines and states that tests are to be carried out according to IEC 60092-301.
This corrigendum updated the international standards that are referred to in UR E13.

8. UR Z7 (Rev.26 Jan 2018)
The requirements apply to all self-propelled vessels. This revision introduced criteria for the steel renewal and criteria for the survey
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20. UR M76 (Rev.1 Jun 2018)850SURYLGHVWKHJXLGDQFHRQWKHORFDWLRQRIIXHOWDQNVLQFDUJRDUHDRQRLODQGFKHPLFDOWDQNHUV7KLVUHYLVLRQFODUL¿HGWKH
types of liquid cargoes to which this UR applies.

9. UR Z7.1 (Rev.14 Jan 2018)
The requirements apply to hull surveys for general dry cargo ships. The UR was revised considering new technologies on Remote
Inspections (RIT).

21. UR S6 (Rev.9 Jul 2018)
UR S6 provides the requirement for use of steel grades for various hull members on ships of 90 m in length and above. This UR does
not apply to CSR bulk carriers and oil tankers. This revision updated Table 8 – Cargo tank boundaries, updated Table 9 to include-11/-15ºC degrees and -16/-25ºC and added a new paragraph to address cold cargo.

10. UR Z7.2 (Rev.7 Jan 2018)
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on Remote Inspections (RIT).

11. UR S21A (Corr.1 Feb 2018)
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³ORZHUIULFWLRQPDWHULDOV´LQWDEOH82

The requirements supplement UR W17 and give the conditions of approval and inspection of welding consumables used for highstrength steels for welded structures according to UR W16. The revision aligned UR W23 with UR W16.

Appendices | IACS Annual Review 2018

22. UR Z27 (New Jul 2018),$&6GHYHORSHGWKLVQHZXQL¿HGUHTXLUHPHQWIRUWKHDSSURYHG&RQGLWLRQ0RQLWRULQJDQG&RQGLWLRQ%DVHG0DLQWHQDQFHVFKHPHVDSSO\LQJWRPDFKLQHU\FRPSRQHQWVDQGV\VWHPVZKHUHFRQGLWLRQPRQLWRULQJUHVXOWVDUHXVHGWRLQÀXHQFHWKHVFRSHDQGRU
frequency of class survey, including the requirements of software, onboard working, documentation, personnel, approval and survey
for applying the scheme, and survey/audit for maintenance of the scheme.

IACS | International Association of Classiﬁcation Societies

83Summary of New/Revisions to IACS Unified Requirements published in 2018
1. UR Z10.1 (Rev.23 Jan 2018)

12. UR W17 (Rev.5 Mar 2018)

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DQGUHOHYDQW85=V

The requirements give the conditions of approval and inspection of welding consumables used for hull structural steel according to
UR W11. The revision aligned UR W17 with UR W16 and introduced new grade of 5Y40 consumable.

13. UR W23 (Rev.2 Apr 2018)
2. UR Z10.2 (Rev.35 Jan 2018)
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VHULHVRILWHPVRI85=VZHUHDPHQGHGLQDFFRUGDQFHZLWKWKH(63&RGH7KLVUHYLVLRQDOVRLQWURGXFHGQHZSURYLVLRQVLQWRWKH
(63&RGHDQGUHOHYDQW85=V

3. UR Z10.3 (Rev.18 Jan 2018)
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carriage of dangerous chemicals in bulk. The UR was revised considering new technologies on Remote Inspections (RIT). A series of
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DQGUHOHYDQW85=V

14. UR S10 (Rev.5 May 2018)856DSSOLHVWRRUGLQDU\SUR¿OHUXGGHUVDQGWRVRPHHQKDQFHGSUR¿OHUXGGHUVZLWKVSHFLDODUUDQJHPHQWVIRULQFUHDVLQJWKH
rudder force. This revision improved the requirements for dimensions of the gudgeon and the cone coupling push-up length. ThisUHYLVLRQDOVRFRUUHFWHGLQFRQVLVWHQFHVDQGFODUL¿HGUHTXLUHPHQWVLGHQWL¿HGLQWKHWH[WRI5HYDQG$QQH[HV

15. UR G1 (Corr.1 May 2018)85*SURYLGHVJHQHUDOSULQFLSOHVZKLFKDUHDSSOLHGE\FODVVL¿FDWLRQVRFLHWLHVIRUDSSURYDODQGVXUYH\RIWKHUHOHYDQWLWHPVRI
OLTXH¿HGJDVWDQNHUVIRUFODVVL¿FDWLRQSXUSRVHV7KHWH[WIRU*ZDVFRUUHFWHGDV³«3PD\EHLQFUHDVHGWRDKLJKHUYDOXHEXWQRWOHVVWKDQ1PP EDU ´

4. UR Z10.4 (Rev.15 Jan 2018)
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16. UR Z15 (Rev.2 Jun 2018)
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5. UR Z10.5 (Rev.18 Jan 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGGRXEOHVNLQEXONFDUULHUV$VHULHVRILWHPVRI85=VZHUHDPHQGHGLQDFFRUGDQFH
ZLWKWKH(63&RGH7KLVUHYLVLRQDOVRLQWURGXFHGQHZSURYLVLRQVLQWRWKH(63&RGHDQGUHOHYDQW85=V

6. UR Z17 (Rev.13 Jan 2018)85=VHWVPLQLPXPUHTXLUHPHQWVIRUDSSURYDODQGFHUWL¿FDWLRQRIVHUYLFHVXSSOLHUVDQGLVDSSOLFDEOHWRERWKLQLWLDODQGUHQHZDO
audits. The UR was revised considering new technologies on Remote Inspections (RIT). This revision also provided clarity by
VSHFLI\LQJWKHDSSOLFDELOLW\WRPRELOHR̆VKRUHGULOOLQJXQLWV 02'8 

17. UR W13 (Rev.6 Jun 2018)
7KHUHTXLUHPHQWVDSSO\WRWKHWROHUDQFHRQWKLFNQHVVRIVWHHOSODWHVDQGZLGHÀDWV7KLV85ZDVUHYLVHGWRDSSO\WKHVDPHFULWHULD
regardless of thickness for tolerance on nominal thickness, structural steel plates as per UR W11 and high strength steel plates for
welded structure as per UR W16. Further minor changes were introduced.

18. UR E11 (Corr.1 Jun 2018)
The requirements apply to A.C. three-phase systems with nominal voltage exceeding 1kV – the nominal voltage is the voltage
between phases. This corrigendum updated the international standards referred to in UR E11.

7. UR Z3 (Rev.7 Jan 2018)
7KHUHTXLUHPHQWVDSSO\WRSHULRGLFDOVXUYH\RIWKHRXWVLGHRIWKHVKLS¶VERWWRPDQGUHODWHG,WHPV85=LVUHYLVHGFRQVLGHULQJWKH
XVHRI5HPRWHO\2SHUDWHG9HKLFOHV 529V DQGWRSURSRVHDSRVVLEOHOLVWRIVHUYLFHVXSSOLHUVWKDWQHHGWREHFHUWL¿HG

19. UR E13 (Corr.1 Jun 2018)
UR E13 provides test requirements for rotating machines and states that tests are to be carried out according to IEC 60092-301.
This corrigendum updated the international standards that are referred to in UR E13.

8. UR Z7 (Rev.26 Jan 2018)
The requirements apply to all self-propelled vessels. This revision introduced criteria for the steel renewal and criteria for the survey
RIWKHGRZQÀRRGLQJGXFWVDQGYHQWLODWLRQGXFWVZKLFKDUHLQWHJUDWHGLQWRWKHVKLS¶VVWUXFWXUHV7KH85ZDVDOVRUHYLVHGFRQVLGHULQJnew technologies on Remote Inspections (RIT).

20. UR M76 (Rev.1 Jun 2018)850SURYLGHVWKHJXLGDQFHRQWKHORFDWLRQRIIXHOWDQNVLQFDUJRDUHDRQRLODQGFKHPLFDOWDQNHUV7KLVUHYLVLRQFODUL¿HGWKH
types of liquid cargoes to which this UR applies.

9. UR Z7.1 (Rev.14 Jan 2018)
The requirements apply to hull surveys for general dry cargo ships. The UR was revised considering new technologies on Remote
Inspections (RIT).

21. UR S6 (Rev.9 Jul 2018)
UR S6 provides the requirement for use of steel grades for various hull members on ships of 90 m in length and above. This UR does
not apply to CSR bulk carriers and oil tankers. This revision updated Table 8 – Cargo tank boundaries, updated Table 9 to include-11/-15ºC degrees and -16/-25ºC and added a new paragraph to address cold cargo.

10. UR Z7.2 (Rev.7 Jan 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGVKLSVFDUU\LQJOLTXH¿HGJDVHVLQEXON7KH85ZDVUHYLVHGFRQVLGHULQJQHZWHFKQRORJLHV
on Remote Inspections (RIT).

11. UR S21A (Corr.1 Feb 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVKLSVH[FHSWEXONFDUULHUVRUHFDUULHUVDQGFRPELQDWLRQFDUULHUVDVGH¿QHGLQ85=DQGDUHIRUDOOFDUJRKDWFKFRYHUVDQGFRDPLQJVRQH[SRVHGGHFNV7KHFRUULJHQGXPKDVPRGL¿HGWKHZRUGLQJIURP³3ODVWLFPDWHULDOVRQVWHHO´WR
³ORZHUIULFWLRQPDWHULDOV´LQWDEOH82

The requirements supplement UR W17 and give the conditions of approval and inspection of welding consumables used for highstrength steels for welded structures according to UR W16. The revision aligned UR W23 with UR W16.

Appendices | IACS Annual Review 2018

22. UR Z27 (New Jul 2018),$&6GHYHORSHGWKLVQHZXQL¿HGUHTXLUHPHQWIRUWKHDSSURYHG&RQGLWLRQ0RQLWRULQJDQG&RQGLWLRQ%DVHG0DLQWHQDQFHVFKHPHVDSSO\LQJWRPDFKLQHU\FRPSRQHQWVDQGV\VWHPVZKHUHFRQGLWLRQPRQLWRULQJUHVXOWVDUHXVHGWRLQÀXHQFHWKHVFRSHDQGRU
frequency of class survey, including the requirements of software, onboard working, documentation, personnel, approval and survey
for applying the scheme, and survey/audit for maintenance of the scheme.

IACS | International Association of Classiﬁcation Societies

83Summary of New/Revisions to IACS Unified Requirements published in 2018
23. UR Z18 (Rev.8 Jul 2018)

36. UR D3 (Rev.6 Nov 2018)85=GHDOVZLWKWKHSHULRGLFDOVXUYH\VRIPDFKLQHU\,WVWLSXODWHVWKHUHTXLUHPHQWVIRUVSHFLDOVXUYH\VDQQXDOVXUYH\VDQG
continuous surveys. This UR was revised to include the Planned Maintenance Scheme and Condition Monitoring/Condition Based
Maintenance.

85'SURYLGHVJHQHUDOGHVLJQSDUDPHWHUVDSSOLFDEOHWRPRELOHR̆VKRUHGULOOLQJXQLWVFRQWUDFWHGIRUFRQVWUXFWLRQRQDQGDIWHU
-DQXDU\7KLVUHYLVLRQFRUUHFWHGDW\SRJUDSKLFDOHUURULQWKHVKHDUVWUHVVIRUPXODWLRQDQGVLPSOL¿HGWKH85WH[WE\UHPRYLQJparagraph D3.9.2.2.

24. UR Z20 (Rev.1 Jul 2018)

37. UR E24 (Rev.1 Dec 2018)85=UHTXLUHPHQWVDSSO\WRDQDSSURYHG3ODQQHG0DLQWHQDQFH6FKHPHIRU0DFKLQHU\ 306 DVDQDOWHUQDWLYHWRWKH&RQWLQXRXVMachinery Survey (CMS). This UR was revised considering the new technologies on Remote Monitoring/Diagnosis (RMD) andCondition Based Inspecting/Maintenance (CBM).

7KHUHTXLUHPHQWVDSSO\WRVKLSVZKHUHKDUPRQLF¿OWHUVDUHLQVWDOOHGRQWKHPDLQEXVEDUVRIHOHFWULFDOGLVWULEXWLRQV\VWHPRWKHUWKDQWKRVHLQVWDOOHGIRUVLQJOHDSSOLFDWLRQIUHTXHQF\GULYHVVXFKDVSXPSPRWRUV7KLVUHYLVLRQFODUL¿HGWKHVFRSHRIDSSOLFDWLRQRIUR E24.

25. UR M78 (New Jul 2018)

38. UR M36 (Rev.6 Dec 2018)

UR M78 provides a common approach for design and testing of trunk piston type diesel engines supplied with low pressure natural
gas as fuel. Engines can be either dual fuel engines or gas fuel only engines.

UR M36 provides requirements for alarms and safeguards for auxiliary reciprocating internal combustion engines driving
generators in unattended machinery spaces. This UR was revised to align requirements of UR M36 with requirements of UR M10.8
regarding the use of engine bearing temperature monitors or equivalent devices instead of oil mist detection arrangements toprotect the engine crankcases.

26. UR M51 (Corr.1 Sep 2018)
UR M51 provides requirements on factory acceptance tests and shipboard trials of I.C. engines. In this corrigendum, referenceWR850LQ850ZDVFKDQJHGWR850EHFDXVHWKHRSHUDWLRQDOSUR¿OHRIWKHHQJLQHVGULYLQJJHQHUDWRUV
for auxiliary purposes was evaluated to be more similar to that of the engines driving generators for electric propulsions (URM51.3.3.3).

39. UR M46 (Rev.2 Dec 2018)850VSHFL¿HVWKHDPELHQWFRQGLWLRQVIRUWKHOD\RXWVHOHFWLRQDQGDUUDQJHPHQWRIDOOVKLSERDUGPDFKLQHU\HTXLSPHQWDQG
appliances to ensure proper operation. In this revision, the reference to inclination angles was removed for switch gear, electrical
DQGHOHFWURQLFDSSOLDQFHVWRDYRLGDSRVVLEOHFRQÀLFWZLWKUHTXLUHPHQWVLQ85(27-29 UR Z10.2 (Rev.33, 34, 35 Corr.1 Sep 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGEXONFDUULHUVRWKHUWKDQGRXEOHVNLQEXONFDUULHUVDVGH¿QHGLQRI85=7KHVH
FRUULJHQGDZHUHLVVXHGIRUDOLJQLQJWKH¿JXUHVLQ85=VZLWKWKH(63&RGH

40. UR D10 (Deleted Dec 2018)
UR D10 was deleted as most of the sections of the UR are addressed directly in the 2009 MODU Code.

30. UR P2.13 (New Oct 2018)

41. UR G2 (Rev.2 Dec 2018)

UR P2.13 adds a requirement that seawater supply pipes located in cargo holds are to be protected from mechanical damage

where necessary.

85*SURYLGHVJHQHUDOSULQFLSOHVZKLFKDUHDSSOLHGE\FODVVL¿FDWLRQVRFLHWLHVIRUDSSURYDODQGVXUYH\RIWKHUHOHYDQWLWHPVRI
OLTXH¿HGJDVWDQNHUVIRUFODVVL¿FDWLRQSXUSRVH7KLVUHYLVLRQLQFOXGHGUHTXLUHPHQWVIURPWKHQHZ,*&&RGH 06&  

31. UR P2.7.4 (Rev.9 Oct 2018)

42. UR P4 (Rev.5 Dec 2018)

UR P2.7.4 is applicable to pipe unions, compression couplings, slip-on joints. This revision introduced a picture for typical
FRPSUHVVLRQW\SHPHFKDQLFDOMRLQWVDQGFODUL¿HGDSSOLFDELOLW\RIOLPLWDWLRQLQXVHRIVOLSRQMRLQWV

7KHUHTXLUHPHQWVDUHDSSOLFDEOHWRSLSLQJV\VWHPVRQVKLSVLQFOXGLQJSLSHMRLQWVDQG¿WWLQJVPDGHSUHGRPLQDQWO\RIPDWHULDO
other than metal. This revision aligned UR P4 with IMO Res. A.753(18) as amended by Res. MSC. 313(88) and MSC.399(95).

32. UR E10 (Rev.7 Oct 2018)
UR E10 is applicable to electrical, electronic and programmable equipment intended for control, monitoring, alarm and protection
systems for use in ships. This revision increased the frequency range for electromagnetic emissions up to 6 GHz. This revisionalso stipulated the application a quasi-peak detection and average detection to test radiated emissions for below and above 1 GHz,
respectively.

33. UR Z7 (Rev.27 Oct 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGYHVVHOV85=LVUHYLVHGWRFODULI\WKHDSSOLFDELOLW\RI)3DQG$3WDQNVLQWDEOHDQG
PRGL¿HGLWHPRIWDEOHDV³,QWHUQDOVLQIRUHSHDNDQGDIWHUSHDNEDOODVWWDQNV´

34. UR M79 (New Oct 2018)850GH¿QHVPLQLPXPVDIHW\VWDQGDUGVIRUZLQFKHPHUJHQF\UHOHDVHV\VWHPVSURYLGHGRQWRZLQJZLQFKHVWKDWDUHXVHGLQWKH
handling of ships within close quarters, ports or terminals.

35. UR M3 (Rev.6 Nov 2018)
UR M3 provides requirements for speed governor and overspeed protective devices. This revision included newer requirements fortesting generator sets i.e. testing engine and alternator together, including the coupling.

84

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

85

Summary of New/Revisions to IACS Unified Requirements published in 2018
23. UR Z18 (Rev.8 Jul 2018)

36. UR D3 (Rev.6 Nov 2018)85=GHDOVZLWKWKHSHULRGLFDOVXUYH\VRIPDFKLQHU\,WVWLSXODWHVWKHUHTXLUHPHQWVIRUVSHFLDOVXUYH\VDQQXDOVXUYH\VDQG
continuous surveys. This UR was revised to include the Planned Maintenance Scheme and Condition Monitoring/Condition Based
Maintenance.

85'SURYLGHVJHQHUDOGHVLJQSDUDPHWHUVDSSOLFDEOHWRPRELOHR̆VKRUHGULOOLQJXQLWVFRQWUDFWHGIRUFRQVWUXFWLRQRQDQGDIWHU
-DQXDU\7KLVUHYLVLRQFRUUHFWHGDW\SRJUDSKLFDOHUURULQWKHVKHDUVWUHVVIRUPXODWLRQDQGVLPSOL¿HGWKH85WH[WE\UHPRYLQJparagraph D3.9.2.2.

24. UR Z20 (Rev.1 Jul 2018)

37. UR E24 (Rev.1 Dec 2018)85=UHTXLUHPHQWVDSSO\WRDQDSSURYHG3ODQQHG0DLQWHQDQFH6FKHPHIRU0DFKLQHU\ 306 DVDQDOWHUQDWLYHWRWKH&RQWLQXRXVMachinery Survey (CMS). This UR was revised considering the new technologies on Remote Monitoring/Diagnosis (RMD) andCondition Based Inspecting/Maintenance (CBM).

7KHUHTXLUHPHQWVDSSO\WRVKLSVZKHUHKDUPRQLF¿OWHUVDUHLQVWDOOHGRQWKHPDLQEXVEDUVRIHOHFWULFDOGLVWULEXWLRQV\VWHPRWKHUWKDQWKRVHLQVWDOOHGIRUVLQJOHDSSOLFDWLRQIUHTXHQF\GULYHVVXFKDVSXPSPRWRUV7KLVUHYLVLRQFODUL¿HGWKHVFRSHRIDSSOLFDWLRQRIUR E24.

25. UR M78 (New Jul 2018)

38. UR M36 (Rev.6 Dec 2018)

UR M78 provides a common approach for design and testing of trunk piston type diesel engines supplied with low pressure natural
gas as fuel. Engines can be either dual fuel engines or gas fuel only engines.

UR M36 provides requirements for alarms and safeguards for auxiliary reciprocating internal combustion engines driving
generators in unattended machinery spaces. This UR was revised to align requirements of UR M36 with requirements of UR M10.8
regarding the use of engine bearing temperature monitors or equivalent devices instead of oil mist detection arrangements toprotect the engine crankcases.

26. UR M51 (Corr.1 Sep 2018)
UR M51 provides requirements on factory acceptance tests and shipboard trials of I.C. engines. In this corrigendum, referenceWR850LQ850ZDVFKDQJHGWR850EHFDXVHWKHRSHUDWLRQDOSUR¿OHRIWKHHQJLQHVGULYLQJJHQHUDWRUV
for auxiliary purposes was evaluated to be more similar to that of the engines driving generators for electric propulsions (URM51.3.3.3).

39. UR M46 (Rev.2 Dec 2018)850VSHFL¿HVWKHDPELHQWFRQGLWLRQVIRUWKHOD\RXWVHOHFWLRQDQGDUUDQJHPHQWRIDOOVKLSERDUGPDFKLQHU\HTXLSPHQWDQG
appliances to ensure proper operation. In this revision, the reference to inclination angles was removed for switch gear, electrical
DQGHOHFWURQLFDSSOLDQFHVWRDYRLGDSRVVLEOHFRQÀLFWZLWKUHTXLUHPHQWVLQ85(27-29 UR Z10.2 (Rev.33, 34, 35 Corr.1 Sep 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGEXONFDUULHUVRWKHUWKDQGRXEOHVNLQEXONFDUULHUVDVGH¿QHGLQRI85=7KHVH
FRUULJHQGDZHUHLVVXHGIRUDOLJQLQJWKH¿JXUHVLQ85=VZLWKWKH(63&RGH

40. UR D10 (Deleted Dec 2018)
UR D10 was deleted as most of the sections of the UR are addressed directly in the 2009 MODU Code.

30. UR P2.13 (New Oct 2018)

41. UR G2 (Rev.2 Dec 2018)

UR P2.13 adds a requirement that seawater supply pipes located in cargo holds are to be protected from mechanical damage

where necessary.

85*SURYLGHVJHQHUDOSULQFLSOHVZKLFKDUHDSSOLHGE\FODVVL¿FDWLRQVRFLHWLHVIRUDSSURYDODQGVXUYH\RIWKHUHOHYDQWLWHPVRI
OLTXH¿HGJDVWDQNHUVIRUFODVVL¿FDWLRQSXUSRVH7KLVUHYLVLRQLQFOXGHGUHTXLUHPHQWVIURPWKHQHZ,*&&RGH 06&  

31. UR P2.7.4 (Rev.9 Oct 2018)

42. UR P4 (Rev.5 Dec 2018)

UR P2.7.4 is applicable to pipe unions, compression couplings, slip-on joints. This revision introduced a picture for typical
FRPSUHVVLRQW\SHPHFKDQLFDOMRLQWVDQGFODUL¿HGDSSOLFDELOLW\RIOLPLWDWLRQLQXVHRIVOLSRQMRLQWV

7KHUHTXLUHPHQWVDUHDSSOLFDEOHWRSLSLQJV\VWHPVRQVKLSVLQFOXGLQJSLSHMRLQWVDQG¿WWLQJVPDGHSUHGRPLQDQWO\RIPDWHULDO
other than metal. This revision aligned UR P4 with IMO Res. A.753(18) as amended by Res. MSC. 313(88) and MSC.399(95).

32. UR E10 (Rev.7 Oct 2018)
UR E10 is applicable to electrical, electronic and programmable equipment intended for control, monitoring, alarm and protection
systems for use in ships. This revision increased the frequency range for electromagnetic emissions up to 6 GHz. This revisionalso stipulated the application a quasi-peak detection and average detection to test radiated emissions for below and above 1 GHz,
respectively.

33. UR Z7 (Rev.27 Oct 2018)
7KHUHTXLUHPHQWVDSSO\WRDOOVHOISURSHOOHGYHVVHOV85=LVUHYLVHGWRFODULI\WKHDSSOLFDELOLW\RI)3DQG$3WDQNVLQWDEOHDQG
PRGL¿HGLWHPRIWDEOHDV³,QWHUQDOVLQIRUHSHDNDQGDIWHUSHDNEDOODVWWDQNV´

34. UR M79 (New Oct 2018)850GH¿QHVPLQLPXPVDIHW\VWDQGDUGVIRUZLQFKHPHUJHQF\UHOHDVHV\VWHPVSURYLGHGRQWRZLQJZLQFKHVWKDWDUHXVHGLQWKH
handling of ships within close quarters, ports or terminals.

35. UR M3 (Rev.6 Nov 2018)
UR M3 provides requirements for speed governor and overspeed protective devices. This revision included newer requirements fortesting generator sets i.e. testing engine and alternator together, including the coupling.

84

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

85

Summary of New/Revisions to IACS Procedural Requirements published in 2018
New

RevisedIndex Resolution no.

Corrigenda

Revision

Adoption

Title

Summary of New/Revisions to IACS Unified Interpretations published in 2018

Deleted/Withdrawn

New

Implemention
Date

RevisedIndex Resolution no.

Corrigenda

Revision

Adoption

Title

Deleted/Withdrawn

Implemention
Date

1

PR28

Rev.2

Jan 2018

Procedure for Change of Flag

01 Jan 20191

UI SC94

Corr.1

Jan 2018

Mechanical, hydraulic and electrical independency of steering gear control systems -

2

PR21

Rev.2

Mar 2018

Procedural Requirement for Statutory Surveys by Exclusive Surveyors

01 Jan 20192

UI GC22New

Apr 2018

Water spray system

01 Jul 2019

3

PR9

Rev.3

Apr 2018

Procedural Requirements for ISM Code Certiﬁcation

01 Jul 20183

UI COLREG5

NewMay 2018

Interpretation of COLREG 1972 Annex I Sections 9(a)(i) and 10(a)(i)01 Jul 2019

4

PR37

Rev.2

Dec 2018

Procedural Requirement for Conﬁned Space Safe Entry

01 Jul 20194

UI GC18

Rev.1 Withdrawn

Jun 2018

Test for cargo tank’s high level alarm (on ships built on or after 1 July 2016)

-

5

PR39

New

Dec 2018

Procedure for Fleet Quality Monitoring

01 Jan 2019

5

UI GF1

Rev.1 Withdrawn

Jun 2018

Test for gas fuel tank’s high level alarm

-

6

PR40

New

Dec 2018

Procedural Requirements for MLC, 2006 Certiﬁcation

01 Jan 20196

UI MPC51 Rev.1 Withdrawn

Jun 2018

Resolution 2 of the 1997 MARPOL Conference Technical Code on
Control of Emission of Nitrogen Oxides from Marine Diesel Engines-

7

UI SC284

New

Jun 2018

Automatic shutdown of the inert gas system and its component parts

01 Jul 20198

UI SC285

New

Jun 2018

Operational status of valves to cargo tanks

01 Jul 20199

UI SC286New

Jun 2018

Operational status of the inert gas system

01 Jul 201910

UI SC287

New

Jun 2018

Low pressure audible alarm system

01 Jul 201911

UI SC89

Rev.4

Jun 2018

Ventilation of cargo spaces

01 Jan 201912

UI GC23

New

Jul 2018

Cargo tank structure heating arrangement power supply

01 Jul 201913

UI GC24

New

Jul 2018

Fire test for emergency shutdown valves

01 Jul 201914

UI GC25

New

Jul 2018

Cargo piping insulation

01 Jul 201915

UI GF13

New

Jul 2018

Fire protection of spaces containing equipment for fuel preparation

01 Jul 201916

UI GF14

New

Jul 2018

Hazardous area classiﬁcation of fuel storage hold spaces

01 Jul 2019

4. PR37 (Rev.2 Dec 2018):

17

UI GF15

New

Jul 2018

Alarms for loss of ventilation capacity

01 Jul 201935FRQWDLQVWKHPLQLPXPUHTXLUHPHQWVWKDWVRFLHWLHVVKDOOSUHVFULEHWRKHOSNHHSVXUYH\RUVVDIHZKHQFRQGXFWLQJFRQ¿QHGVSDFH
entry. In this revision, Para 2.8 was aligned with the table in Chapter 19 of the IGC Code.

18

UI MPC88

Deleted

Aug 2018

Annex IV of MARPOL 73/78 Regulation 9.1.1 Regulation 9 Sewage systems-

19

UI MPC92

Deleted

Aug 2018

Tonnage to be used when applying MARPOL Annex VI Regulation 5
Surveys and Inspections-

Surveys and certiﬁcation relating to the Ship Energy Eﬃciency
Management Plan (SEEMP)-

1. PR28 (Rev.2 Jan 2018):
The purpose of this Procedural Requirement is to lay down common procedures and minimum statutory survey requirements for
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2. PR21 (Rev.2 Mar 2018):
PR21 stipulates that for ships subject to mandatory IMO instruments, such as, but not limited to, SOLAS, MARPOL and/or Load
/LQHFRQYHQWLRQVDOOVWDWXWRU\VXUYH\VDUHWREHFDUULHGRXWE\H[FOXVLYHVXUYH\RUVDVGH¿QHGLQ357KLVUHYLVLRQZDVWULJJHUHGE\
GPG in order to consider the use of exclusive surveyors of class and exclusive surveyors of other ROs on survey regimes.

3. PR9 (Rev.3 April 2018):
35UHÀHFWVDVDSSOLFDEOH,025HVROXWLRQ$  µ5HYLVHGJXLGHOLQHVRQWKHLPSOHPHQWDWLRQRIWKH,QWHUQDWLRQDO6DIHW\management (ISM) Code by administrations’ and IMO Resolution A.741(18) ‘International Safety Management (ISM) Code’as amended. This PR was revised to update the references, update the requirements based on operational experience and
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5. PR39 (New Dec 2018):
35HVWDEOLVKHVWKHSURFHGXUDOUHTXLUHPHQWVIRUWKHLGHQWL¿FDWLRQDQGIROORZXSRIYHVVHOVQRWEHLQJVDWLVIDFWRULO\PDLQWDLQHG
EHWZHHQVXUYH\VGXHWRODFNRIPDLQWHQDQFH7KHREOLJDWLRQVRIWKLV3URFHGXUHDSSO\WRFODVVL¿FDWLRQVRFLHWLHVZKLFKDUHVXEMHFWWR
YHUL¿FDWLRQRIFRPSOLDQFHZLWK46&6

6. PR40 (New Dec 2018):
PR40 establishes procedural requirements for the planning, preparation, conduct, reporting and follow-up of MLC inspections and
IRUWKHLVVXDQFHRIWKHFRUUHVSRQGLQJ0DULWLPH/DERXU&HUWL¿FDWH 0/& DQG'HFODUDWLRQRI0DULWLPH/DERXU&RPSOLDQFH '0/& 

20

Appendices | IACS Annual Review 2018

Deleted

Aug 2018

21

UI MPC127

Deleted

Aug 2018

Annex I of MARPOL 73/78 Regulation 14.7

22

UI MPC12

Rev.3

Aug 2018

Annex VI of MARPOL 73/78 Regulation 1

01 Jan 2020

23

UI MPC14

Rev.2

Aug 2018

Annex VI of MARPOL 73/78 Regulation 1/Regulation 5.2

01 Jan 2020

24

UI MPC98

Rev.1

Aug 2018‘Time of the replacement or addition’ for the applicable tier standard
for the supplement to the IAPP Certiﬁcate

01 Jan 2020

Doors in watertight bulkheads of cargo ships and passenger ships

01 Jan 2020

25

86

UI MPC 102

UI SC156

Rev.1

Oct 2018

IACS | International Association of Classiﬁcation Societies

87Summary of New/Revisions to IACS Unified Interpretations published in 2018
Index Resolution no.

Revision

Adoption

Title

Implemention
Date

26

UI GC26

New

Oct 2018

Type testing requirements for valves

01 Jan 202027

UI SC123

Rev.4

Nov 2018

Machinery installations – service tank arrangements

01 Jan 202028

UI SC288New

Dec 2018

Carriage of dangerous goods – required air changes

01 Jan 2020

29

UI SC289

New

Dec 2018

Separation arrangements between inert gas piping and cargo tanks

01 Jan 202030

UI SC290

New

Dec 2018

Emergency source of electrical power on gas carriers andchemical tankers

01 Jan 2020

31

UI MODU3

New

Dec 2018

Selective disconnection or shutdown and equipment operable after
an emergency shutdown

8. UI SC285 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³8QDPELJXRXVLQIRUPDWLRQUHJDUGLQJWKHRSHUDWLRQDOVWDWXVRIVXFKYDOYHV´ LHVWRS
valves in branch piping leading from the inert gas main to cargo tanks) in Chapter 15.2.2.3.2.2 of the FSS Code.

9. UI SC286 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³RSHUDWLRQDOVWDWXV´LQ&KDSWHURIWKH)66&RGH

10. UI SC287 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³LQGHSHQGHQWDODUPV\VWHP´LQ&KDSWHURIWKH)66&RGH

11. UI SC89 (Rev.4 Jun 2018)
01 Jan 2020

UI SC89 provides interpretation for SOLAS Reg. II-2/19.3.4, Section 1.7 & 3.5.4 IMSC Code. This revision contains consequential
PRGL¿FDWLRQVFRPLQJIURPWKHDPHQGPHQWVRI,06%&&RGHLH5HVROXWLRQV06&  DQG06&  +RZHYHUWKH
essence of its interpretation has not changed.

32

UI GC10Rev.1

Dec 2018

Reliquefaction plant of motor-driven LNG carriers-

33

UI GC2

Rev.1

Dec 2018

Interpretation of the second sentence of paragraph 13.2.1-

34

UI GC27

New

Dec 2018

Interpretation of paragraph 13.2.2

01 Jan 2020

UI GC23 provides interpretation of the requirement in paragraph 4.19.1.6 of the IGC Code.

35

UI GC28

New

Dec 2018

Guidance for sizing pressure relief systems for interbarrier spaces

01 Jan 2020

13. UI GC24 (New Jul 2018)36

UI GC9Rev.1

Dec 2018

Guidance for sizing pressure relief systems for interbarrier spaces-

37

UI GF16

New

Dec 2018

Liqueﬁed gas fuel tank loading limit higher than calculated using
the reference temperature

01 Jan 2020

Other rooms with high ﬁre risk

01 Jan 2020

38

UI GF17

New

Dec 2018

12. UI GC23 (New Jul 2018)

UI GC24 provides interpretation of the requirements for emergency shutdown valves as mentioned in paragraph 5.13.1.1.4 of the
IGC Code.

14. UI GC25 (New Jul 2018)8,*&SURYLGHVLQWHUSUHWDWLRQRIWKHSKUDVH³DWKHUPDOLQVXODWLRQV\VWHPDVUHTXLUHGWRPLQLPLVHKHDWOHDNLQWRWKHFDUJRGXULQJWUDQVIHURSHUDWLRQV´DQGWKHSKUDVH³FDUJRSLSLQJV\VWHPVVKDOOEHSURYLGHGZLWKDWKHUPDOLQVXODWLRQV\VWHPDVUHTXLUHGWR
protect personnel from direct contact with cold surfaces” in paragraph 5.12.3.1 of the IGC Code.

15. UI GF13 (New Jul 2018)
1. UI SC94 (Corr.1 Jan 2018)8,6&DSSOLHVWRVWHHULQJJHDUFRQWUROV\VWHPVDVGH¿QHGLQ62/$6UHJXODWLRQ,,IRUWKHPDLQDQGDX[LOLDU\VWHHULQJJHDU
operable from the navigation bridge. Corrigenda is issued to correct Example 2 in the publication.

8,*)LQWHUSUHWDWLRQRIWKHVHQWHQFH³$Q\VSDFHFRQWDLQLQJHTXLSPHQWIRUIXHOSUHSDUDWLRQVXFKDVSXPSVFRPSUHVVRUVKHDWH[FKDQJHUVYDSRULVHUVDQGSUHVVXUHYHVVHOVVKDOOEHUHJDUGHGDVDPDFKLQHU\VSDFHRIFDWHJRU\$IRU¿UHSURWHFWLRQSXUSRVHV´LQ
Chapter 11.3.1 of the IGC Code.

16. UI GF14 (New Jul 2018)

2. UI GC22 (New Apr 2018)
UI GC22 provides the interpretation for 11.3 of the revised IGC Code MSC.370(93) related to water spray system design.
&ODUL¿FDWLRQVDUHSURYLGHGIRUWKHGH¿QLWLRQRIWZRWDQNJURXSVLQGHFNDUHDLQWHUFRQQHFWLRQVRIVSUD\DQG¿UHV\VWHPFDSDFLW\RI¿UHSXPSVVHUYLQJZDWHUVSUD\V\VWHPDQGSURWHFWLRQRIH[SRVHGVXUYLYDOFUDIWVZLWKWKHZDWHUVSUD\8,*)SURYLGHVLQWHUSUHWDWLRQUHJDUGLQJDFFHSWDEOHPHDQVRIPRQLWRULQJ³UHTXLUHGYHQWLODWLRQFDSDFLW\´LQVHFWLRQDQG
footnote 23, Part A-1 of the IGF Code.

17. UI GF15 (New Jul 2018)
3. UI COLREG5 (New May 2018)8,&2/5(*SURYLGHVDFODUL¿FDWLRQRQWKHSRVVLEOHEORFNDJHRIKXOOVWUXFWXUHVWRWKHKRUL]RQWDOSODQHDQGWKHYHUWLFDOVHFWRURI
side lights as respectively required by COLREG Annex 1 9(a)(i) and 10(a)(i). This UI is intended to bring an earlier application of theprovisions of MSC.1/Circ.1577.

8,*)SURYLGHVLQWHUSUHWDWLRQIRUWKHFODVVL¿FDWLRQRIKD]DUGRXVDUHD]RQHVIRUIXHOVWRUDJHKROGVSDFHVLQVHFWLRQ3DUW$
of the IGF Code.

18 -21. UI MPC88, MPC92, MPC102 & MPC127 (Deleted Aug 2018)

4-6. UI GC18, GF1 & MPC51 (Rev.1 Withdrawn Jun 2018)

22. UI MPC12 (Rev.3 Aug 2018)

Revision 1 of these publications was withdrawn and the original versions were re-instated.

8,03&SURYLGHVLQWHUSUHWDWLRQIRUWKHWHUP³DOOVKLSV´LQWKHUHJXODWLRQ5HYLVLRQRIWKLV8,LVLQWURGXFHGIRUFRQVLVWHQF\ZLWKcurrent text of Reg 1 of MARPOL Annex VI as amended by Res. MEPC.278(70).

7. UI SC284 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³$XWRPDWLFVKXWGRZQ´LQ&KDSWHURIWKH)66&RGH

88

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

89Summary of New/Revisions to IACS Unified Interpretations published in 2018
Index Resolution no.

Revision

Adoption

Title

Implemention
Date

26

UI GC26

New

Oct 2018

Type testing requirements for valves

01 Jan 202027

UI SC123

Rev.4

Nov 2018

Machinery installations – service tank arrangements

01 Jan 202028

UI SC288New

Dec 2018

Carriage of dangerous goods – required air changes

01 Jan 2020

29

UI SC289

New

Dec 2018

Separation arrangements between inert gas piping and cargo tanks

01 Jan 202030

UI SC290

New

Dec 2018

Emergency source of electrical power on gas carriers andchemical tankers

01 Jan 2020

31

UI MODU3

New

Dec 2018

Selective disconnection or shutdown and equipment operable after
an emergency shutdown

8. UI SC285 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³8QDPELJXRXVLQIRUPDWLRQUHJDUGLQJWKHRSHUDWLRQDOVWDWXVRIVXFKYDOYHV´ LHVWRS
valves in branch piping leading from the inert gas main to cargo tanks) in Chapter 15.2.2.3.2.2 of the FSS Code.

9. UI SC286 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³RSHUDWLRQDOVWDWXV´LQ&KDSWHURIWKH)66&RGH

10. UI SC287 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³LQGHSHQGHQWDODUPV\VWHP´LQ&KDSWHURIWKH)66&RGH

11. UI SC89 (Rev.4 Jun 2018)
01 Jan 2020

UI SC89 provides interpretation for SOLAS Reg. II-2/19.3.4, Section 1.7 & 3.5.4 IMSC Code. This revision contains consequential
PRGL¿FDWLRQVFRPLQJIURPWKHDPHQGPHQWVRI,06%&&RGHLH5HVROXWLRQV06&  DQG06&  +RZHYHUWKH
essence of its interpretation has not changed.

32

UI GC10Rev.1

Dec 2018

Reliquefaction plant of motor-driven LNG carriers-

33

UI GC2

Rev.1

Dec 2018

Interpretation of the second sentence of paragraph 13.2.1-

34

UI GC27

New

Dec 2018

Interpretation of paragraph 13.2.2

01 Jan 2020

UI GC23 provides interpretation of the requirement in paragraph 4.19.1.6 of the IGC Code.

35

UI GC28

New

Dec 2018

Guidance for sizing pressure relief systems for interbarrier spaces

01 Jan 2020

13. UI GC24 (New Jul 2018)36

UI GC9Rev.1

Dec 2018

Guidance for sizing pressure relief systems for interbarrier spaces-

37

UI GF16

New

Dec 2018

Liqueﬁed gas fuel tank loading limit higher than calculated using
the reference temperature

01 Jan 2020

Other rooms with high ﬁre risk

01 Jan 2020

38

UI GF17

New

Dec 2018

12. UI GC23 (New Jul 2018)

UI GC24 provides interpretation of the requirements for emergency shutdown valves as mentioned in paragraph 5.13.1.1.4 of the
IGC Code.

14. UI GC25 (New Jul 2018)8,*&SURYLGHVLQWHUSUHWDWLRQRIWKHSKUDVH³DWKHUPDOLQVXODWLRQV\VWHPDVUHTXLUHGWRPLQLPLVHKHDWOHDNLQWRWKHFDUJRGXULQJWUDQVIHURSHUDWLRQV´DQGWKHSKUDVH³FDUJRSLSLQJV\VWHPVVKDOOEHSURYLGHGZLWKDWKHUPDOLQVXODWLRQV\VWHPDVUHTXLUHGWR
protect personnel from direct contact with cold surfaces” in paragraph 5.12.3.1 of the IGC Code.

15. UI GF13 (New Jul 2018)
1. UI SC94 (Corr.1 Jan 2018)8,6&DSSOLHVWRVWHHULQJJHDUFRQWUROV\VWHPVDVGH¿QHGLQ62/$6UHJXODWLRQ,,IRUWKHPDLQDQGDX[LOLDU\VWHHULQJJHDU
operable from the navigation bridge. Corrigenda is issued to correct Example 2 in the publication.

8,*)LQWHUSUHWDWLRQRIWKHVHQWHQFH³$Q\VSDFHFRQWDLQLQJHTXLSPHQWIRUIXHOSUHSDUDWLRQVXFKDVSXPSVFRPSUHVVRUVKHDWH[FKDQJHUVYDSRULVHUVDQGSUHVVXUHYHVVHOVVKDOOEHUHJDUGHGDVDPDFKLQHU\VSDFHRIFDWHJRU\$IRU¿UHSURWHFWLRQSXUSRVHV´LQ
Chapter 11.3.1 of the IGC Code.

16. UI GF14 (New Jul 2018)

2. UI GC22 (New Apr 2018)
UI GC22 provides the interpretation for 11.3 of the revised IGC Code MSC.370(93) related to water spray system design.
&ODUL¿FDWLRQVDUHSURYLGHGIRUWKHGH¿QLWLRQRIWZRWDQNJURXSVLQGHFNDUHDLQWHUFRQQHFWLRQVRIVSUD\DQG¿UHV\VWHPFDSDFLW\RI¿UHSXPSVVHUYLQJZDWHUVSUD\V\VWHPDQGSURWHFWLRQRIH[SRVHGVXUYLYDOFUDIWVZLWKWKHZDWHUVSUD\8,*)SURYLGHVLQWHUSUHWDWLRQUHJDUGLQJDFFHSWDEOHPHDQVRIPRQLWRULQJ³UHTXLUHGYHQWLODWLRQFDSDFLW\´LQVHFWLRQDQG
footnote 23, Part A-1 of the IGF Code.

17. UI GF15 (New Jul 2018)
3. UI COLREG5 (New May 2018)8,&2/5(*SURYLGHVDFODUL¿FDWLRQRQWKHSRVVLEOHEORFNDJHRIKXOOVWUXFWXUHVWRWKHKRUL]RQWDOSODQHDQGWKHYHUWLFDOVHFWRURI
side lights as respectively required by COLREG Annex 1 9(a)(i) and 10(a)(i). This UI is intended to bring an earlier application of theprovisions of MSC.1/Circ.1577.

8,*)SURYLGHVLQWHUSUHWDWLRQIRUWKHFODVVL¿FDWLRQRIKD]DUGRXVDUHD]RQHVIRUIXHOVWRUDJHKROGVSDFHVLQVHFWLRQ3DUW$
of the IGF Code.

18 -21. UI MPC88, MPC92, MPC102 & MPC127 (Deleted Aug 2018)

4-6. UI GC18, GF1 & MPC51 (Rev.1 Withdrawn Jun 2018)

22. UI MPC12 (Rev.3 Aug 2018)

Revision 1 of these publications was withdrawn and the original versions were re-instated.

8,03&SURYLGHVLQWHUSUHWDWLRQIRUWKHWHUP³DOOVKLSV´LQWKHUHJXODWLRQ5HYLVLRQRIWKLV8,LVLQWURGXFHGIRUFRQVLVWHQF\ZLWKcurrent text of Reg 1 of MARPOL Annex VI as amended by Res. MEPC.278(70).

7. UI SC284 (New Jun 2018)8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHWHUP³$XWRPDWLFVKXWGRZQ´LQ&KDSWHURIWKH)66&RGH

88

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

89Summary of New/Revisions to IACS Unified Interpretations published in 2018
23. UI MPC14 (Rev.2 Aug 2018)

34. UI GC27 (New Dec 2018)8,03&SURYLGHVLQWHUSUHWDWLRQUHJDUGLQJWKHFULWHULDIRUVKLS HQJLQHFHUWL¿FDWLRQLQWKHFRQWH[WRI0$532/$QQH[9,7KH8,
was revised considering IMO Res. MEPC.278(70).

8,*&SURYLGHVLQWHUSUHWDWLRQRIRIWKHUHYLVHG,*&&RGH 06&  ZKHUHWKHSKUDVH³FDQEHPDLQWDLQHG´PHDQV
that any part of the level gauge other than passive parts can be overhauled while the cargo tank is in service, where passive parts arethose parts assumed not subject to failures under normal service conditions.

24. UI MPC98 (Rev.1 Aug 2018)
UI MPC98 provides interpretation regarding a common date to be used for determining the applicable Tier standard for enginesthat are added or non-identical engines that are replaced onboard a ship. The UI was revised considering IMO resolution
MEPC.258(67) and MEPC.286(71).

35. UI GC28 (New Dec 2018)
UI GC28 provides interpretation concerning sizing of the pressure relieving devices for interbarrier spaces of the second sentence ofparagraph 8.1 of the IGC Code (MSC.370(93)).

25. UI SC156 (Rev.1 Oct 2018)

36. UI GC9 (Rev.1 Dec 2018)

IACS UI SC156 pertains to doors located in the way of the internal watertight subdivision boundaries and the external watertightboundaries necessary to ensure compliance with the relevant subdivision and damage stability regulations. Rev.1 provides
FRQVHTXHQWLDOPRGL¿FDWLRQVFRPLQJIURPWKHDPHQGPHQWVWR62/$6UHJXODWLRQVLQFOXGLQJ06&  DQG06&  

UI GC9 provides interpretation concerning sizing of the pressure relieving devices for interbarrier spaces of the second sentence ofparagraph 8.1 of the IGC Code (MSC.5(48)) as amended except Resolution MSC.370(93)). Rev.1 stated that this UI is applicable forships constructed on or after 1 July 1986 but before 1 July 2016.

26. UI GC26 (New Oct 2018)

37. UI GF16 (New Dec 2018)8,*&SURYLGHVLQWHUSUHWDWLRQRIWKHZRUGLQJ³VKDOOEHFHUWL¿HGWRDUHFRJQLVHGVWDQGDUG´LQ&KDSWHURIWKH,*&&RGH

8,*&SURYLGHVLQWHUSUHWDWLRQIRU³ORDGLQJOLPLW´LQ6HFWLRQ3DUW$RIWKH,*)&RGH

27. UI SC123 (Rev.4 Nov 2018)

38. UI GF17 (New Dec 2018)

UI SC123 provides interpretation of the requirements for service tank arrangements in Regulation SOLAS II– 1/26.11. The UI isUHYLVHGWDNLQJLQWRFRQVLGHUDWLRQQHZEXLOGVDQGUHWUR¿WWHGYHVVHOVWUDGLQJLQ(&$]RQHVXVLQJORZVXOSKXUDQGUHVLGXDOJUDGHIXHOV

8,*&SURYLGHVLQWHUSUHWDWLRQIRU³RWKHUURRPVZLWKKLJK¿UHULVN´LQ6HFWLRQ3DUW$RIWKH,*)&RGH

28. UI SC288 (New Dec 2018)
UI SC288 provides interpretation of SOLAS Reg. II-2/19.3.4.1 and Reg. II-2/19.3.5.4 in order to clarify the required air change
when transporting dangerous goods of classes 2, 3, 6.1 and 8 in closed freight containers and when the bilge pump is located directly
inside a container cargo space.

29. UI SC289 (New Dec 2018)
UI SC289 provides interpretation of FSS Code Chapter 15.2.2.3.2.3.3 regarding separation arrangements between inert gas piping
and cargo tanks of tankers.

30. UI SC290 (New Dec 2018)
UI SC290 provides interpretation of SOLAS Chapter II-1, Regulation 43.6 (as amended) to highlight the need to also apply therevised IGC Code (MSC.370 (93)) section 2.7.2.2.

31. UI MODU3 (New Dec 2018)
UI MODU3 provides interpretation of 2009 MODU Code (as amended), Chapter 6, paragraphs 6.5.1 and 6.5.5 for emergency
shutdown (ESD) systems arranged with multiple levels of ESD.

32. UI GC10 (Rev.1 Dec 2018)
UI GC10 provides interpretation concerning controlling the cargo pressure/temperature in paragraph 7.2.1 of the IGC Code
(MSC.5(48)) as amended except Resolution MSC.370(93). Rev.1 stated that this UI is applicable for ships constructed on or after 1
July 1986 but before 1 July 2016.

33. UI GC2 (Rev.1 Dec 2018)
UI GC2 provides interpretation for the second sentence of paragraph 13.2.1 of the IGC Code (MSC.5(48)) as amended except
Resolution MSC.370(93). Rev.1 stated that this UI is applicable for ships constructed on or after 1 July 1986 but before 1 July 2016.

90

Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

91Summary of New/Revisions to IACS Unified Interpretations published in 2018
23. UI MPC14 (Rev.2 Aug 2018)

34. UI GC27 (New Dec 2018)8,03&SURYLGHVLQWHUSUHWDWLRQUHJDUGLQJWKHFULWHULDIRUVKLS HQJLQHFHUWL¿FDWLRQLQWKHFRQWH[WRI0$532/$QQH[9,7KH8,
was revised considering IMO Res. MEPC.278(70).

8,*&SURYLGHVLQWHUSUHWDWLRQRIRIWKHUHYLVHG,*&&RGH 06&  ZKHUHWKHSKUDVH³FDQEHPDLQWDLQHG´PHDQV
that any part of the level gauge other than passive parts can be overhauled while the cargo tank is in service, where passive parts arethose parts assumed not subject to failures under normal service conditions.

24. UI MPC98 (Rev.1 Aug 2018)
UI MPC98 provides interpretation regarding a common date to be used for determining the applicable Tier standard for enginesthat are added or non-identical engines that are replaced onboard a ship. The UI was revised considering IMO resolution
MEPC.258(67) and MEPC.286(71).

35. UI GC28 (New Dec 2018)
UI GC28 provides interpretation concerning sizing of the pressure relieving devices for interbarrier spaces of the second sentence ofparagraph 8.1 of the IGC Code (MSC.370(93)).

25. UI SC156 (Rev.1 Oct 2018)

36. UI GC9 (Rev.1 Dec 2018)

IACS UI SC156 pertains to doors located in the way of the internal watertight subdivision boundaries and the external watertightboundaries necessary to ensure compliance with the relevant subdivision and damage stability regulations. Rev.1 provides
FRQVHTXHQWLDOPRGL¿FDWLRQVFRPLQJIURPWKHDPHQGPHQWVWR62/$6UHJXODWLRQVLQFOXGLQJ06&  DQG06&  

UI GC9 provides interpretation concerning sizing of the pressure relieving devices for interbarrier spaces of the second sentence ofparagraph 8.1 of the IGC Code (MSC.5(48)) as amended except Resolution MSC.370(93)). Rev.1 stated that this UI is applicable forships constructed on or after 1 July 1986 but before 1 July 2016.

26. UI GC26 (New Oct 2018)

37. UI GF16 (New Dec 2018)8,*&SURYLGHVLQWHUSUHWDWLRQRIWKHZRUGLQJ³VKDOOEHFHUWL¿HGWRDUHFRJQLVHGVWDQGDUG´LQ&KDSWHURIWKH,*&&RGH

8,*&SURYLGHVLQWHUSUHWDWLRQIRU³ORDGLQJOLPLW´LQ6HFWLRQ3DUW$RIWKH,*)&RGH

27. UI SC123 (Rev.4 Nov 2018)

38. UI GF17 (New Dec 2018)

UI SC123 provides interpretation of the requirements for service tank arrangements in Regulation SOLAS II– 1/26.11. The UI isUHYLVHGWDNLQJLQWRFRQVLGHUDWLRQQHZEXLOGVDQGUHWUR¿WWHGYHVVHOVWUDGLQJLQ(&$]RQHVXVLQJORZVXOSKXUDQGUHVLGXDOJUDGHIXHOV

8,*&SURYLGHVLQWHUSUHWDWLRQIRU³RWKHUURRPVZLWKKLJK¿UHULVN´LQ6HFWLRQ3DUW$RIWKH,*)&RGH

28. UI SC288 (New Dec 2018)
UI SC288 provides interpretation of SOLAS Reg. II-2/19.3.4.1 and Reg. II-2/19.3.5.4 in order to clarify the required air change
when transporting dangerous goods of classes 2, 3, 6.1 and 8 in closed freight containers and when the bilge pump is located directly
inside a container cargo space.

29. UI SC289 (New Dec 2018)
UI SC289 provides interpretation of FSS Code Chapter 15.2.2.3.2.3.3 regarding separation arrangements between inert gas piping
and cargo tanks of tankers.

30. UI SC290 (New Dec 2018)
UI SC290 provides interpretation of SOLAS Chapter II-1, Regulation 43.6 (as amended) to highlight the need to also apply therevised IGC Code (MSC.370 (93)) section 2.7.2.2.

31. UI MODU3 (New Dec 2018)
UI MODU3 provides interpretation of 2009 MODU Code (as amended), Chapter 6, paragraphs 6.5.1 and 6.5.5 for emergency
shutdown (ESD) systems arranged with multiple levels of ESD.

32. UI GC10 (Rev.1 Dec 2018)
UI GC10 provides interpretation concerning controlling the cargo pressure/temperature in paragraph 7.2.1 of the IGC Code
(MSC.5(48)) as amended except Resolution MSC.370(93). Rev.1 stated that this UI is applicable for ships constructed on or after 1
July 1986 but before 1 July 2016.

33. UI GC2 (Rev.1 Dec 2018)
UI GC2 provides interpretation for the second sentence of paragraph 13.2.1 of the IGC Code (MSC.5(48)) as amended except
Resolution MSC.370(93). Rev.1 stated that this UI is applicable for ships constructed on or after 1 July 1986 but before 1 July 2016.

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Appendices | IACS Annual Review 2018

IACS | International Association of Classiﬁcation Societies

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