
Gas SIR CDI 9th edition
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Section 4. |
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MOORING |
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4.2 |
Ref. |
Crew Knowledge and Proficiency |
Yes |
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No |
N/A |
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4.2.1 - 5 |
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The Inspector will interview various members of the crew to |
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seek evidence of knowledge and proficiency. The purpose of |
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the interview is to ensure that personnel can demonstrate |
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sufficient depth of knowledge and familiarity with the policies, |
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procedures, and equipment on-board, as laid down in their job |
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description. |
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4.2.1 |
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Personnel are aware of routine for tending of moorings |
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4.2.2 |
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Personnel are aware of safety issues related to mooring |
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4.2.3 |
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Personnel are aware of the purpose and proper rigging for |
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towing off wires |
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4.2.4 |
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Personnel are able to explain the principles behind testing of |
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brakes, and can explain the difference between rendering point |
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and design brake holding capacity |
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4.2.5 |
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Personnel are familiar with the hazards and risks of moorings, |
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including the location of snap-back areas |
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4.2.6 |
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Personnel are familiar with other aspects of mooring |
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equipment, policies and procedures |
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4.2.6 |
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This question is intended to cover any other area questioned |
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by the inspector not covered by the questions in this chapter. |
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If answered No, the inspector should note the issues |
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identified. |
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Coppola |
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Massimiliano |
Purchased |
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Copy of Massimiliano Coppola
Gas |
SIR Page 61 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.1SSSCL
5.1.2SSSCL
5.1.3
5.1.3IGC 18.1.1 IGC (16) 18.4.1
5.1.4Information
5.1.5IGC (16) 18.4.1 IGC
18.1.1
5.1.6
5.1.6IGC 18.1.1 IGC (16) 18.5
5.1.7
5.1.8
5.1.8TSG (G) 5
The IMO ( or equivalent) "Ship / Shore Safety Checklist" with gas supplement and if applicable the chemical supplement, has been completed
If Yes:
Requirements of the Ship / Shore Safety Checklist are being complied with
The following information, for each product carried, in the form of cargo information data sheets (SDS) is available on board?
The inspector should visually sight each item listed below. If any of the information is not available or is incorrect then a NO should be recorded for the question and the information missing or incorrect entered in 5.1.4 and a remark entered regarding each of the items.
-A full description of the physical and chemical properties necessary for the safe carriage and containment of the cargo
-Reactivity with other cargoes that are capable of being carried on board in accordance with the international Certificate of Fitness for the carriage of liquefied gases in bulk
- Action to be taken in the event of cargo spills or leaks. - Counter measures against accidental personal contact. - Firefighting procedures and firefighting media.
- Special equipment needed for the safe handling of the
particular cargo |
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- Emergency procedures |
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If No, how many items were not satisfactorily recorded? |
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Coppola |
Information is available onMassimilianothe minimum allowable inner hull steel temperatures
Has the vessel ascertained that the quantity and
characteristics of each product to be loaded are within the
limits of the Certificate of Fitness and the stability information
book
This information may be in the form of: a ship's plan, a
statement or a diagram. Some ships, due to the materials of |
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construction and products carried, may be exempt from this |
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requirement. The Administration or Class Society may have issued a statement to this effect, in which case, this question may be answered N/A.
There is a written procedure for warming-up the cargo Operational information for the cargo plant is available on board
Information on the operation of the cargo plant should give specific guidance on the operation of all components comprising the cargo handling system. Information may be contained in manufacturers manuals. The areas covered should include:
-Tank layout -Pipeline diagrams -Operation of pumps
-Operation of tank and other valves
-Operation of high level alarm and emergency shut down system
-Operation of ballast system
-Operation of relief valves and vent system -Operation of reliquefaction plant
-Operation of tank cleaning system (if applicable) - Operation of cargo monitoring system
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Copy of Massimiliano Coppola
Gas |
SIR Page 62 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.9 |
TSG (G) 5 |
Manufacturer's / technical information for the cargo handling |
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equipment are available on board |
5.1.10 |
TSG (G) 5 |
Manufacturer's / technical information for the cargo monitoring |
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equipment are available on board |
5.1.11 |
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Displays on cargo operations console are easily understood |
5.1.12 |
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Cargo system drawings, electrical drawings, pipeline diagrams, |
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mimic diagrams are available, updated and readable |
5.1.13 |
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Information is available on board indicating the allowable |
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loading limits for each product which may be carried and the |
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cargo filling limits are available and being followed |
5.1.13 |
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The maximum allowable loading limits for each tank and each |
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cargo should be listed and available. The calculation of the |
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maximum allowable loading limit for current cargoes must be |
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based upon the reference temperature when applicable. |
5.1.14 |
TSG 1.7.5 |
There are procedures onboard outlining the hazards and |
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appropriate precautions related to the phenomena involved in |
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cargo roll-over. |
5.1.15IGC 15.1 IGC Test certificates are available on board for the cargo tank
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(16) 8 EGC |
pressure relief valves |
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15.2 |
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5.1.16 |
ESD SIGTTO |
Clear information is posted detailing ESD functions and their |
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If Yes: |
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Coppola |
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actions and alarms, including machinery tripping, valves |
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operated, etc. |
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5.1.17 |
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Cargo monitoring instruments or control safety devices can be |
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overridden by a key, switch etc. |
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5.1.18 |
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Massimiliano |
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A written procedure detailing by whom, when and how |
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systems may be overridden is available |
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5.1.18 |
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A written procedure must exist, and personnel must be |
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aware, of which systems are overridden. Use of the override |
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should be a short-term action, not a normal situation. While |
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the actions taken by the safety devices may be overridden, |
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alarms should never be deactivated by the override switch in |
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by |
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order to allow vessel personnel to react to any potentially |
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unsafe condition. A notation must be made when the switch |
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not activatedPurchasedunless in compliance with the vessel |
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is activated and deactivated, such as in a logbook. If any |
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deficiencies are noted, NO should be recorded and the |
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deficiency noted in the Remarks. |
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5.1.19 |
IGC 13.3.1 |
During cargo operations, override functions and switches are |
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IGC 13.3.7 |
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procedures and appropriately logged/recorded.
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Copy of Massimiliano Coppola
Gas |
SIR Page 63 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.20
5.1.21
5.1.21
5.1.22
5.1.22SOLAS II-1 Reg22
5.1.23TSG (G) 4.5.1
5.1.24TSG (G) 4.5.1
5.1.25TSG (G) 4.5.1
5.1.26TSG (G) 4.12
5.1.27
5.1.28
5.1.29
5.1.29TSG (G) 4.5.1
5.1.30
There is an approved computer system for intact stability If Yes:
The system includes damage stability assessment
The computer system or the programme used on a standard personal computer, must be approved by a competent body. Non approved stability programmes developed on board are not acceptable.
Stability and stress calculations have been made prior to commencement of the current cargo transfer operation
There should be evidence that a stress and stability calculation has been made for the current cargo operation. This may be in either written form or may be stored on a computer. There should also be evidence that this procedure is in common use, and includes the stress and stability calculation for the expected condition prior to departing the current berth.
There is a written plan for the cargo operations written in the working language of the vessel that has been approved by the Master
There is evidence that a pre-cargo operations briefing is held on-board with all personnel involved in cargo operations, including officers and crewmembers
A cross check is being carried out by a 2nd individual on the cargo line-up prior to commencement of cargo transfer, and records maintained.
data
Are stability limitations included in the operational instructions |
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Coppola |
Do these instructions reference the ship's loading and stability |
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the changes |
Massimiliano |
The duty officer has signed the cargo operations plan and is operating in compliance with the plan
If changes are required to the cargo operations plan, a system is in place for updating the plan and ensuring that officers and crewmembers involved in the cargo operations are aware of
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The operational plan should include indications of the |
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expected duration of the operation, the sequence in which the ship's tanks are to be loaded or discharged. The plan should also highlight any special considerations during the critical stages of the transfer, as well as the safety, health, and environmental implications of the cargoes being handled.
A record of cargo activities is maintained in port
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Copy of Massimiliano Coppola
Gas |
SIR Page 64 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.30 |
STCW 95 |
A- |
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VIII/2 |
4- |
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3.9 |
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5.1.31
5.1.32
5.1.32
5.1.33
5.1.33
5.1.34
5.1.34IGC 17.10 IGC (16) 17.9 EGC 19
5.1.35ISM 10
5.1.36
5.1.37IGC 17.20.13.2 17.18
5.1.38IGC 17.20.13.3 IGC(16)17.18
5.1.39
5.1.39ISM 10
A log or other records should be maintained detailing all cargo and ballast operations in chronological order. The details recorded may include but not be limited to the following:
-Starting / stopping cargo or grades
-Starting / stopping tanks
-Pumping log
-Cargo tank levels
-Pressure and temperatures
-Loading / discharge rates
-Delays due to ship or shore
-Sampling etc.
Records of cargo tank levels are maintained Records of cargo pump performance are maintained
This may be amperage, back pressure, discharge rate or hydraulic pressure.
A deck watch is maintained throughout the cargo transfer operation
This should be assessed by observation during period of inspection.
When applicable, flame screens for specified cargoes are
available, in good condition and used whenCoppolaappropriate
Only certain cargoes require the use of flame screens as listed in Ch 19 of the IGC Code. The COF carriage notes will indicate which cargoes require the use of flame screens.
However, they only need to be in place when required based
location. In any case, if flame screens are carried, they should be inspected when possible to ensure they are in good condition.
on the cargo being carried.MassimilianoOtherwise, the screens should not be installed, and instead should be stored in an appropriate
When carried, there are records indicating the inspection and maintenance of flame screens
Propylene Oxide and/or mixtures of ethylene oxide/propylene
oxide are listed in the Certificateby of Fitness.
If Yes: Purchased
Cargo handling plan and drawings are available and approved by the administration.
Before each initial loading and before every subsequent return to such service, the cargo system must be properly segregated, each blank flange sealed with a wire and seal to avoid inadvertant removal, and certification of segregation issued by a responsible person acceptable to the Administration.
Testing of relief valves is carried out by a competent authority at regular intervals and tests recorded
This question refers to ''testing'' and nothing more. Setting must be carried out and the valve sealed by a competent authority. Testing and setting by a competent authority should be carried out every five years or as required by the ship's Classification Society.
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Copy of Massimiliano Coppola
Gas |
SIR Page 65 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.40IGC (16) 3.6. EGC 3.6.3
5.1.41IGC (16) / EGC 13.3 13.1.3
5.1.42IGC (16) 13.3 / EGC
5.1.43
5.1.44IGC (16) 13.4 / EGC 13.1.
13.1.4
There are records to indicate the regular testing of air lock |
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alarms and interlocks |
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There are records to indicate the regular testing of high level |
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alarms |
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There are records to indicate the testing/function of |
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independent high level shutdown system |
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There are records indicating that the cargo tank filling valves |
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are tested at intervals not exceeding one week |
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There are records indicating the regular testing of high and low |
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pressure alarms |
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5.1.45
5.1.46
5.1.46
5.1.47
5.1.47IGC 13.1.4 IGC (16)13.1. EGC
There are records indicating the inspection / checking of inert |
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gas system non-return valves |
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Procedures are in place to fully segregate the inert gas piping |
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from hold spaces when the system is connected to the cargo |
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system. |
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Segregation is through the use of a spectacle flange or |
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removal of spool pieces. |
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There are records indicating that calibration checks have been |
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carried out on cargo plant instrumentation |
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There are procedures requiring records of calibration checks |
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on the following:- |
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5.1.48IGC13.1.4 IGC (16) 13.1 13.1.2 EGC
5.1.49
5.1.49IGC 5.6.4 IGC (16) 18 EGC
5.3.3
5.1.50
5.1.50IGC (16) 13.4 / EGC 13.1.4
5.1.51SOLAS IX ISM 10.1
5.1.52SOLAS IX ISM 10.1
5.1.53
5.1.53IGC 9.1.2 IGC (16) 18.9
- Level indicators |
Coppola |
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- overflow control |
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- pressure gauges |
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- temperature indicating devices - gas detecting equipment
ESD fusible elements are in satisfactory condition
Cargo plant instrumentationMassimilianoappears in good operating condition
ESD fusible elements should be free from paint
All high and low pressure alarms appear to be in a good
Hold space seals and rubber skirting for Cargo tank domes, if fitted, appear in good order
operational condition |
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May not be fitted to an “existing ship”. In this case question to |
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be marked N/A. |
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Tank dome fittings appear in good order |
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When not in use, sample points are closed and capped
Quick coupling connections should not be used. Caps must be screwed/threaded and tightened properly when sample points are not in use.
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Copy of Massimiliano Coppola
Gas |
SIR Page 66 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.54 |
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Means for the connection of sampling equipment, liquid or |
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vapour, appears to be satisfactory |
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5.1.54 |
SIGTTO |
Pipework to be of robust construction to withstand up to 3.5 kg |
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LPG |
weight of a sample cylinder. |
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Sampling |
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Proc.
IACS 114
5.1.55
5.1.55
5.1.56
5.1.57SOLAS IX ISM 10.1
5.1.58SOLAS IX ISM 10.1
5.1.59
5.1.60IGC 5.2.1.3 IGC (16) 5 EGC 5.2.2
5.1.61
5.1.62IGC 5.2.1.2 IGC (16) 5, EGC 5.2.1b
5.1.63
5.1.63IGC 5.2.1.2 IGC (16) 5.8.4 EGC 5.2.1b TSG (G) 5.3.9
The sampling connection should be isolated by two needle valves or one needle valve and one ball valve (not 2 ball valves) fitted at least 500 mm apart.
There should be a clearance of at least 250mm around the stub piece connection to allow spanner access.
For threaded sampling couplings, a positive means to prevent the coupling from rotating should be provided and regular inspections of the tightness of the connection should be performed and recorded. This is to prevent the fittings and/or valve from being unscrewed by the normal action of making and breaking connections.
The connection should be clearly labelled as to its point of origin, i.e. tank number and location, top, middle or bottom.
The use of a drain valve as a sample point is not acceptable.
system should be obtained by connectingCoppolathe container outlet valve to a vapour sample connection point or vent system.
Sampling can be achieved by a closed loop system, keeping the length of sampling line as short as practically possible
In connection with toxic and flammable cargoes, a closed loop
Local pump controls are accessibleMassimiliano
When possible, sampling through the use of the cargo pump
can allow return of cargo back to the vapour space of the cargo tank, minimizing release to the atmosphere.
Local pump controls appear in good condition
Electrical equipment, glandsby and seals appear well maintained
Suitable weatherPurchasedprotection is provided for electrical fittings on
deck
Cargo pipework is isolated from ordinary steel to prevent brittle fracture, where appropriate
Cargo pipework insulation is intact
Cargo and vapour pipelines are free to move inside supporting collars
Expansion bellows are only fitted on cargo vapour lines, are correctly supported and aligned with the pipes they are connected to
Only Industry Standard expansion bellows are accepted, and they may only be used on cargo vent lines .
5.1.64 |
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Condition of expansion devices appears satisfactory |
5.1.64 |
SOLAS IX |
There should be no evidence of damage or distortion. |
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ISM 10.1 |
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Copy of Massimiliano Coppola
Gas |
SIR Page 67 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.65SOLAS IX ISM 10.1 TSG (G)
3.7.1
5.1.66
5.1.66SOLAS IX ISM 10.1
5.1.67
5.1.68SOLAS IX ISM 10.1
5.1.69IGC 5.4.2.3., IGC (16) 5.8.2.3
Cargo pipe work electrical bonding arrangements appears in |
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good condition |
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Cargo pipe work is free of leaks and does not appear to be |
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corroded |
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If NO then quantify and specify accordingly |
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Cargo pipework does not have temporary repairs |
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All other aspects of cargo pipework, including proper service |
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marking and piping supports, appear in good condition |
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Screwed couplings are only used for accessory lines and |
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instrumentation lines with external diameters of 25 mm or less |
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5.1.70 |
Screwed fittings for accessory or sampling lines are locked or |
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additionally secured to prevent inadvertent unscrewing. |
5.1.70IACS 114
5.1.71
5.1.71IGC / EGC 7.2.2.
5.1.72
5.1.73 |
SSSCL |
A |
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5.1.74IGC (16) 13.4 / EGC 13.4.3
5.1.75SOLAS IX ISM 10.1
5.1.76SOLAS IX ISM 10.1
5.1.77
5.1.77SIGTTO Manifold Recommendati ons
5.1.78
5.1.78
For threaded fittings, a positive means to prevent the coupling from rotating should be provided and regular inspections of the tightness of the connection should be performed and recorded. This is to prevent the fittings and/or valve from being unscrewed by the normal action of making and breaking connections.
When applicable, segregation between grades is achievable without risk of liquid or vapour contamination
If the ship is only certified to carry one grade at a time this question to be marked “N/A”.
Manifold reducers are correctly rated for pressures achievable
during loading and discharging |
Coppola |
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Manifolds not in use have fully bolted blanks fitted |
A local pressure gauge is fitted outboard of manifold valves
Manifold pressure gauge(s) appears to be in a good operating condition
There is no indication of pressure build-up or cargo leakage in |
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unused manifold connections.Massimiliano |
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Liquid spill containment arrangements at the manifold are |
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adequate and suitable for the temperature of cargoes the ship |
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may carry |
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If portable containment is in use it must be appropriately |
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secured. For low-temperature liquids, the sheathing should extend longitudinally for a distance of at least 1.5 metres beyond the outermost edge of the outermost manifold flange. The sheathing should also extend to at least 0.5 metres inboard of the innermost manifold valve, transversely from the ship's side. In addition, in the case of other transfer line layouts, the sheathing should extend over any other areas that may be subject to spillage.
The company has written procedures for safe connection/disconnection, draining and purging of cargo loading/discharging arms
These procedures may include:
-Safety precautions during cargo operations.
-General arrangement of manifold pipeline area.
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Copy of Massimiliano Coppola
Gas |
SIR Page 68 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
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CARGO OPERATIONS |
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Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
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Gp |
-Checking integrity of draining and purging pipeline, and valve arrangements (ensuring that draining/purging is never carried out with a single valve acting as a separation).
-Description of atmosphere testing equipment.
-Supply of purging medium from shore or vessel plant.
-Monitoring of operation and effective communication with terminal.
5.1.79 |
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A leak test of the cargo arm/hose connection to the manifold is |
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conducted prior to commencing the cargo transfer. |
5.1.79 |
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The completion of the test should be recorded onboard the |
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vessel. |
5.1.80 |
SSSI LPG |
Safe access is provided for connecting and disconnecting |
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arms / hoses |
5.1.81 |
SSSI LPG |
The manifold area is clear of any obstructions which may |
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interfere with the safe automatic release of a hard arm |
5.1.82 |
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A temperature sensor is fitted at or near the manifold to |
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monitor the cargo temperature during cargo transfer |
5.1.83 |
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If yes, the minimum permitted cargo temperature is displayed |
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at or near the control position and at the manifold |
5.1.84
5.1.85SOLAS IX ISM 10.1
5.1.86
5.1.86IGC (16) 3 / EGC 3.3.3
5.1.87
5.1.87IGC 12.1 IGC (16) 8
TSG (G) 6.4.4
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Coppola |
A cargo compressor room/ space is fitted |
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If Yes: |
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Bulkhead seals appear in good condition |
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The arrangements of the cargo compressor room/ space |
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Massimiliano |
are in compliance with the requirements.
The requirements include:-
- Arrangement allows safe unrestricted access for personnel wearing protective clothing and breathing apparatus, and in the event of an injury, to allow unconscious personnel to be removed.
- All valves necessaryby for cargo handling should be
readily accessable to personnel wearing protective clothing.Purchased
- Suitable arrangements should be made to deal with drainage of compressor rooms
The ventilation system appears to be operating correctly
Should be operating in extraction mode in the Compressor room and the Motor room should be under positive pressure.
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Copy of Massimiliano Coppola
Gas |
SIR Page 69 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |

Section 5. |
|
CARGO OPERATIONS |
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|
|
|
|
Gas |
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5.1 |
Ref. |
Cargo Transfer Operations |
Yes |
No |
N/A |
Cat |
Gp |
5.1.88
5.1.88SOLAS IX ISM 10.1
5.1.89SOLAS IX ISM 10.1
5.1.90TSG (G) 1.4.1
5.1.91
5.1.91IGC (16) 17.8
All protective devices appear operational |
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This refers to high/low oil pressures in compressors, high gas |
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pressure in the compressor, no-flow etc.. |
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Compressors and associated equipment in the cargo system |
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appear fully operational |
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Procedures are available detailing when freezing point |
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depressants may be used when a means of hydrate control is |
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provided |
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When applicable, a Certificate of Protection (Inhibitor |
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Certificate) is available |
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A Certificate must be provided to the vessel prior to departure. |
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Care shall be taken to ensure that the cargo is sufficiently inhibited to prevent self-reaction (e.g. polymerization or dimerization) at all times during the voyage. Ships shall be provided with a certificate from the manufacturer stating:
•.1 name and amount of inhibitor added;
•.2 date inhibitor was added and the normally expected duration of its effectiveness;
•.3 any temperature limitations affecting the inhibitor; and
•.4 the action to be taken should the length of the voyage exceed the effective lifetime of the inhibitors.
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Coppola |
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by |
Massimiliano |
Purchased |
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Copy of Massimiliano Coppola
Gas |
SIR Page 70 |
Rev. CDI 8/19 |
(C) 2019 Chemical Distribution Institute |