IACS Common Structural Rules Knowledge Centre

Bulker Q&As and CIs on the IACS CSR Knowledge Centre
KCID
No.

Ref.

194

2/1.1.1.2
Table
2.1.1

Questiondamagestability

195
attc

2/1.3.1.1

Question314

2/ 1.2.1.2

Question351

Ch 2/Sec3

Type

Question

Topic

Date
completed

Question/CI

Attachment

Answer

2006/10/2

In current design of bulk carrier with ship's length of 169.5m and after peakbulkhead and aft machinery bulkhead being the same, total number ofbulkheads is 7, but CSR requires 8 bulkheads to such ships not required tocomply with subdivision requirements. Regarding this requirements, is it
acceptable for such ships complying with the requirements on damage
stability?

Yes. Ships complying with subdivision requirement need not follow therequirement on the number of watertight bulkhead indicated in Table 1.

after peakbulkhead

2006/10/31

Are the example case specified below (see attachment) complied with therequirements that “the after peak bulkhead may be stepped below thebulkhead deck, provided the degree of safety of ships as regards subdivision
is not thereby diminished.

Yes, if the fire door may be regarded as safe for the purpose of subdivision.

SOLAS II-1

2006/12/22

whichever gives the smallest measurement" should be added to be inaccordance with SOLAS Ch.II-1, Part B, Reg.11 and for clarification.

That is correct. The words "whichever gives the smallest measurement"
should be added at the end of the requirement to be in accordance withSOLAS Ch.II-1, Reg.11.

2007/2/22

PMA is in principle a SOLAS matter. The cause of the probable argument isdue to the following:1. The necessity of safe access is set out in CSR Ch1, S3, 2.5.1, however, it
is not clear whether the requirements are relevant to SOLAS PMA or not. In
this respect, the applicability of PMA appears more explicit in CSR-DHOT, S5,5.1.
2. CSR is required for ships having L of 90 m or more, while PMA as part ofSOLAS is required for ships having GT of 20,000 or more.
3. There must be many ships of which the particulars lie between the 90 m inlength and 20,000 in gross ton, which is left unclear when interpreting forAs suggested, the requirements for PMA arrangements and ship structure
SAFCON purposes.
access manual should follow SOLAS II-1/3-6 and need not be applied to bulk
4. Taking this opportunity, it is worth consideration that reference to SOLAS, carriers not more than 20,000 gross tonnage. As for Ch.2/Sec.3.1 and 3.2, all
not as classification matters, be harmonised between CSR-BC and CSRparagraphs are extracted from the corresponding section of Resolution
DHOT. The International Regulations are transcribed in CSR-BC, which isMSC.158(78) in association with IACS UI SC191. Therefore, the stipulations inuser-friendly while on the other hand may cause a possibility of unnecessary Italic character mean to follow SOLAS requirements. Accordingly, the 2nd
misinterpretations. CSR-DHOT appears simple and clear for that matter.
and 3rd sentences of Ch.1/Sec.3/2.5.1 will be corrected and the clear
5. Could you please confirm if all the PMA matters are strictly SOLAS items, application requirement will be added in the Ch 2 Sec 3.
not a class requirement? The requirements of means of access are set out in
Ch1, S3, 2.5 and Ch2, S3, however, it does not appear explicit that PMA is aclass requirement. Is it that the stipulations in Italic are not class requirements
but SOLAS or other international regulations? SOLAS Reg.II-1/3-6 requires
PMA for ships of which the gross ton is equal to or greater than 20,000, while
CSR is to apply to ships of which the length is equal to or greater than 90 m.
Such being the case, the following question could arise with respect toSAFCON, which should cause a dispute.
1: Bulk Carriers >=90m but =<20,000GT --> Class item
2: Bulk Carriers >=90m and >=20,000GT --> Class & SAFCON item.

PMA

Page 1 of 4YIACS Common Structural Rules Knowledge Centre

KCID
No.

439

517

793

798

853

Ref.

Text
2/1.1.1.2

2/1.1.1.2

2/2.2.1.3

2/1.3.1.1

2/3.1.1.1

Type

Topic

Question

Additional
Bulkheads

CI

Number ofwatertightbulkheads

Question

Question

Question

fireprotection

Bulkheadmeans ofaccessDatecompleted

Question/CI

2007/6/20

In Chapter 2, section 1.1.1.2 "Additional bulkheads" it is stated that "For ships
not required to comply with subdivision regulations, transverse bulkheadsadequately speced, and not less in number than indicated in Tab 1, are to befitted."
Would you like to explain "subdivision regulations"?

2007/8/20

Number of watertight bulkheads
Minimum number of bulkheads is indicated in Ch2, Sec1, Table 1. Does it
include bulkheads required in 1.1.1 such as collision bulkhead, after peakbulkhead and E/R bulkhead(s)?

AttachmentAnswer

The Subdivision regulations" is the damage stability required by SOLAS inChapter 11-1, Part B-1 and Chapter Xll, regulation 4.
All bulker with CSR notation are required to comply with subdivision
regulations. Consequently, the Table 1 will not enforce on the CSR bulkers.

Yes, it includes bulkheads required in 1.1.1.

2009/1/29

In SOLAS II-I/Reg.10.6.3, paint locker is considered as a spacing containing
flammable liquids. If this is the case also in CSR BC Rule, the paint locker
inside a deckhouse is required to have a cofferdam, which seems to beFirstly, this requirement is not a SOLAS requirement. Secondly, the current
beyond SOLAS requirement and require current ordinal design of ships to beSOLAS requirements regarding the fire protection are considered sufficient aschanged. In addition, it is considered that the current SOLAS requirement isyou mentioned. Therefore, we will delete the requirement Ch 2 Sec2 [2.1.3]
sufficient, considering the past experiences. Hence, it would be appreciated towith a rule change proposal.
inform us of a definition and an example of ‘spaces intended for the carriage
of flammable liquids.’ If the definition is same as that of SOLAS, then it would
be requested to modify the requirement to be line with SOLAS requirement.

2009/3/3

SOLAS Ch II-1, Part B, Reg. 11, Para 8 states “Bulkheads shall be fitted
separating the machinery space from cargo and passenger spaces forward
and aft and made watertight up to the freeboard deck”. LR’s Rules allow theafter peak bulkhead to terminate at the first watertight deck above the loadwaterline in the aft peak, recognizing that the after peak bulkhead isn’t
This paragraph will be modified in order to comply with applicable SOLAS
separating the machinery space from a cargo or passenger space aft.
Regulations.
However, CSR BC Rules, Ch 2, Sect 1, 3.1.1, whilst referring to SOLAS Ch IIThe corrigenda will be issued.
1, Pt B, Reg 11, states that the after peak bulkhead is to be watertight to thefreeboard deck.
Can we have clarified the reason for this higher standard of subdivision thanrequired by SOLAS and LR’s Rules, or does this require a corrigendum?
It is also noted that the CSR OT Rules are in line with SOLAS and LR’s Rules

2009/1/24

According to Resolution 151(78), the SOLAS Reg.II-1/3.6 apply to "Access toand within spaces in, and forward of, the cargo area of oil tankers and bulk
The scope of application should be considered as being exactly the same ascarriers". In CSR BC Ch 2, Sec 3 the item 1.1 refers to Resolution 151(78),in SOLAS Reg.II-1/3.6, i.e. applicable to "Access to and within spaces in, andbut its title states "Means of access to cargo and other spaces", which is not
forward of, the cargo area of oil tankers and bulk carriers". The CSR-BC will
exactly the same scope of application as in SOLAS Reg.II-1/3.6. Is it
be modified accordingly by a RCP.
intentional in CSR-BC or is the scope of application to be considered as being
exactly the same as in SOLAS?

Page 2 of 4

IACS Common Structural Rules Knowledge Centre

KCID
No.

903

Ref.

Text
2/1.2.1.1

TypequestionTopiccollision
bulkheadDatecompleted2009/6/26

Question/CI

Attachment

AnswerRegarding the arrangement of collision bulkhead in Ch 2, Sec 1, [2.1.1], thetext of the requirement is coming from SOLAS Ch. II-1, Part B, Reg. 11 andstates that "A collision bulkhead is to be fitted which is to be watertight up toWe agree with your comment and will update the rules accordingly.
the freeboard deck. This bulkhead is to be located at a distance from theforward perpendicular FPLL of not less than 5 per cent of the length LLL of theship or 10 m, whichever is the less, and not more than 8 per cent of LLL ".

However, this text is modified by Annex 2 of MSC 216(82), which is enteredinto force since 1st january 2009, and wich states in SOLAS Ch. II-1, Part B-2,Reg 12.1 that "A collision bulkhead shall be fitted which shall be watertight up
to the bulkhead deck. This bulkhead shall be located at a distance from theforward perpendicular of not less than 0.05L or 10 m, whichever is the less,and, except as may be permitted by the Administration, not more than 0.08L
or 0.05L + 3 m, whichever is the greater." The text in CSR-BC should bemodified accordingly. More generally, the requirements in CSR-BC comingfrom SOLAS and modified by MSC 216(82) should be updated accordingly.

1007 2/3.1.2.1

1009

2/3.2

Interpretati
onCI

Safe accessto cargoholds

Definition of
single sideand doubleside bulkcarriers

2010/2/1

Requirement in Ch 2, Sec 3, [1.2.1] mentions that "Safe access to cargoholds, cofferdams, ballast tanks and other spaces in the cargo area are to be
direct from the open deck and ......" . In addition requirement in [1.2.3] statesthat "Each cargo hold is to be provided with at least two means of access as
far apart as practicable. In general, these accesses are to be arranged
It is agreed that the forward access to the forward cargo hold may bediagonally......".
arranged from main deck inside forecastle spaces provided that those spaces
In case of a bulk carrier having a forecastle extending afterward the forward
are considered safe, i.e. not intended for the carriage of oil or hazardous
bulkhead of forward cargo hold, the forward access may be arranged from thecargoes.
main deck but inside forecastle spaces, which cannot be considered as beingfrom the "open deck"
Our interpretation is that such forward access is allowed provided that theforecastle spaces are considered safe, i.e. not intended for the carriage of oilor hazardous cargoes.

2010/1/18

In Ch 2, Sec 3, [2], some requirements are applicable specifically to single
side bulk carriers (as in [2.9] and [2.11]) and some others are applicable todouble side bulk carriers (as in [2.8] and [2.10]).
There is no definition in CSR-BC on what is a single side bulk carrier and what
The proposed interpretation is correct. Definitions of single side and double
is a double side bulk carrier.
side bulk carriers will be added to CSR-BC, in accordance with those of
As these requirements are originally IMO requirements for means of access, it
SOLAS Ch XII/1.
is assumed that single side and double side bulk carriers are definedaccording to SOLAS Ch XII/1. Please confirm this interpretation.
If this interpretation is correct, it should be convenient to add such definitions
in CSR-BC.

Page 3 of 4

IACS Common Structural Rules Knowledge Centre

KCID
No.

Ref.

1082
2/2.5.1.1
attc

1091 2/2.5.1.1

TypeRCP

RCP

Topic

Date
completedQuestion/CI

Definition
We consider that a rule change for CSR Bulk Carriers should be immediately“T1”
implemented as follows:
specified in
The definition “T1” specified in Ch.2/Sec.2/5.1.1 of CSR for Bulk Carriers
Ch.2/Sec.2/5based on Reg.39(1) of ILLC should be amended according to.1.1 of CSR 2010/11/15
Res.MSC.223(82) as attached.
for Bulk
In addition, other requirements referred to in International Conventions mayCarriers
need to be amended accordingly.
based onPlease consider.
Reg.39(1)Table 3/1.4-3
3/6.7.3.6
11/1.1.1.1

2011/6/6

Answer

Attachment

The text will be amended accordingly.
As other international texts are included in CSR BC, a complete review will bemade and its results will be included in a future rule change.

YThe spelling of 'shear strake' shall be corrected to 'sheer strake' in thefollowing sections..
1. Chapter 3, Section 1 Table 4-3:
Shear strake at strength deck
2. Chapter 3, Section 6
7.3.6 Sheer strake...If the shear strake is rounded, its radius, in mm, is to be not less than 17ts,
where ts is the net thickness, in mm, ofThank you for your comment. This will be considered in the next editorial
the sheer strake.
correction.
3. Chapter 11, Section 1
1.1 Cut-outs, plate edges
1.1.1...This also applies to cutting drag lines, etc., in particular to the upper edge ofshear strake andanalogously to weld joints, changes in sectional areas or similar
discontinuities.

Page 4 of 4

KC#195㩷㪬㪧㪧㪜㪩㩷㪛㪜㪚㪢㪪㪫㪜㪘㪩㩷㪞㪝㫀㫉㪼㩷㪻㫆㫆㫉㪜㪆㪩

MSC 82/24/Add.1

KC#1082
ANNEX 9RESOLUTION MSC.223(82)(adopted on 8 December 2006)

ADOPTION OF AMENDMENTS TO THE PROTOCOL OF 1988 RELATING TO
THE INTERNATIONAL CONVENTION ON LOAD LINES, 1966, AS AMENDED

THE MARITIME SAFETY COMMITTEE,RECALLING Article 28(b) of the Convention on the International Maritime Organization
concerning the functions of the Committee,
RECALLING FURTHER article VI of the Protocol of 1988 relating to the International
Convention on Load Lines, 1966 (hereinafter referred to as the “1988 Load Lines Protocol”)
concerning amendment procedures,
HAVING CONSIDERED, at its eighty-second session, amendments to the 1988 LoadLines Protocol proposed and circulated in accordance with paragraph 2(a) of article VI thereof,
1.
ADOPTS, in accordance with paragraph 2(d) of article VI of the 1988 Load Lines
Protocol, amendments to the 1988 Load Lines Protocol, the text of which is set out in the Annex
to the present resolution;
2.
DETERMINES, in accordance with paragraph 2(f)(ii)(bb) of article VI of
the 1988 Load Lines Protocol, that the said amendments shall be deemed to have been acceptedon 1 January 2008, unless, prior to that date, more than one third of the Parties to the 1988 LoadLines Protocol or Parties the combined merchant fleets of which constitute not less than 50% of
the gross tonnage of the world’s merchant fleet, have notified their objections to theamendments;
3.
INVITES the Parties concerned to note that, in accordance with paragraph 2(g)(ii) ofarticle VI of the 1988 Load Lines Protocol, the amendments shall enter into force on 1 July 2008
upon their acceptance in accordance with paragraph 2 above;
4.
REQUESTS the Secretary-General, in conformity with paragraph 2(e) of article VI ofthe 1988 Load Lines Protocol, to transmit certified copies of the present resolution and the text of
the amendments contained in the Annex to all Parties to the 1988 Load Lines Protocol;
5.
FURTHER REQUESTS the Secretary-General to transmit copies of this resolution
and its Annex to Members of the Organization, which are not Parties to the 1988 Load Lines
Protocol.

I:\MSC\82\24-Add-1.doc

MSC 82/24/Add.1
ANNEX 9Page 2

ANNEX
AMENDMENTS TO THE PROTOCOL OF 1988 RELATING TO THE
INTERNATIONAL CONVENTION ON LOAD LINES, 1966, AS AMENDEDANNEX B
ANNEXES TO THE CONVENTION AS MODIFIED BY THE PROTOCOL OF 1988
RELATING THERETOANNEX IREGULATIONS FOR DETERMINING LOAD LINES
CHAPTER II
CONDITIONS OF ASSIGNMENT OF FREEBOARDRegulation 22 – Scuppers, inlets and discharges

1

In paragraph (4) of the regulation, the reference to “(2)” is replaced by reference to “(1)”.
CHAPTER III
FREEBOARDS

Regulation 39 – Minimum bow height and reserve buoyancy

2
In paragraph (1) of the regulation, the words “dl is the draught at 85% of the depth D,in metres;” are replaced by the words “dl is the draught at 85% of the least moulded depth,in metres;”.

***

I:\MSC\82\24-Add-1.doc