| CTM 9.1 A2 |
Chemical Tanker Manual CTM References to CDI questionnaire |
Doc No.: CTM 9.1 A2
Revision: 01 Date: 15 Oct 2024 Issued by: DPA Approved by: MD |
| CDI QUESTION | Ref No. in CTM | |
|---|---|---|
| 5.1.6 | Cargo operational procedures are available The cargo operational procedures should give specific guidance to be followed during cargo handling operations and on the sea passage and should include but not be limited to: Preparations for loading Loading operations Cargo Measurement Standards and procedures |
9.5/sec 4 9.5/sec 5 9.4/sec 12 9.6/sec 5 |
| 5.1.54 | Precautions are taken against nitrogen overpressure The N2 supply should incorporate an appropriately set safety relief valve, or the flow rate should be regulated to allow adequate relief capacity while closely monitoring the tank pressure. |
9.4/sec 9 9.12/sec 6 |
| 5.2.1 | Company procedures for ship to ship cargo transfer operations are available Company ship to ship transfer procedures should cover the following: Establishment of person in overall charge of the operation Compatibility of design of ships involved Communications to be used Berthing/unberthing procedures Hose handling and cargo transfer operation procedure |
9.11 OTM 7.19 |
| 5.2.2 | Company ship to ship cargo transfer procedures are in line with ICS guidelines | 9.11 OTM 7.19 |
| 5.3.32 | The Company provides tank cleaning procedures | 9.7 |
| 5.3.34 | The tank cleaning procedures specifically detail the cleaning of a cargo tank which has contained a toxic or flammable product | 9.7/sec 7.12 |
| 5.3.35 | The Company safety procedures detailing the cleaning of a cargo tank reference the guidance detailed in TSG (C) 7. | 9.7/sec 4.2 |
| 5.3.36 | Chemical additives used for tank cleaning of cargo tanks are approved for use by IMO. | 9.7/sec 7.10 |
| 5.3.38 | Flammable and/or toxic tank cleaning chemicals/agents are not hand-sprayed in cargo tanks for tank cleaning | 9.7/sec 7.9 9.7/sec 7.11 |
| 5.3.39 | Flammable tank cleaning chemicals/agents are used only through fixed or portable machines under inert conditions The use of portable machines must be supported by written procedures which clearly address the precautions to be taken to protect the inert atmosphere in the tank. |
9.7/sec 7.5 9.7/sec 7.6 |
| 5.3.40 | Toxic tank cleaning chemicals/agents are used only through fixed machines under closed conditions A chemical additive has been used during the cleaning of a cargo tank previously containing a flammable product. There is evidence established from written records that the tank was inert. |
9.7/sec 7.10 |
| 5.3.44 | Tank gas freeing is carried out in accordance with required procedures Documentation on gas freeing should be available, i.e. checklists or procedures. This should also be assessed during a general discussion on cargo operations. Portable or permanent venting trunks are acceptable if listed in the P&A Manual or approved by Class or Flag State. |
9.7/sec 9 |
| 5.3.45 | The Company provides guidelines on the care and maintenance of the tank cleaning equipment Written guidelines should be available for the care and maintenance of the tank cleaning equipment. This should include the regular testing of tank cleaning hoses for electrical continuity. |
9.7/sec 7.5 9.7/sec 7.6 9.7/sec 6 |
| 5.3.46 | When taking cargo samples, the correct safety procedures are followed The operation is observed or specific written instructions are available detailing the procedure. It should be established if appropriate masks etc. are worn during the sampling of toxic cargoes. |
9.8/sec 4 |
| 5.3.47 | Filter masks are used for protection from toxic cargoes | 9.2/sec 4.4 S&H Doc 005 |
| 5.3.48 | If Yes: The company has well-defined procedures for the control and use of filter masks. Canister masks should be only single use. Masks should not be used in any enclosed space. Masks with filters should also be properly controlled at all times. Procedures should make clear reference to observance of the filter’s breakthrough capacity. |
9.2/sec 4.4 S&H Doc 005 |
| 5.3.50 | Cargo samples from ship's tanks are retained on board or by special agreement, ashore For these questions to be answered Yes, there should be evidence that cargo samples from the tanks and manifold are retained on board for at least the current voyage. Where there is written evidence that the Company has an established procedure for landing and storing samples ashore and there are receipts for samples landed, the question may also be answered Yes. |
9.8/sec 4 |
| 5.3.51 | Cargo samples from the ship's manifold are retained on board, or by special agreement, ashore For these questions to be answered Yes, there should be evidence that cargo samples from the tanks and manifold are retained on board for at least the current voyage. Where there is written evidence that the Company has an established procedure for landing and storing samples ashore and there are receipts for samples landed, the question may also be answered Yes. |
9.8/sec 4 |
| 5.3.52 | Cargo samples are properly stored in a suitable locker and are identified The cargo sample locker should be located outside the accommodation. The locker should be designed so as to prevent sample bottles moving at sea, be constructed of a material resistant to the chemicals carried, and have adequate ventilation arrangements. Incompatible samples should not be stowed close to each other. |
9.8/sec 4.3 |
| 5.3.53 | There is a Company procedure for the disposal of samples and records are kept, including an entry into the Record Book (Oil or Cargo) The procedure should address both cargo custody and environmental disposal aspects. All cargo samples should be landed ashore. Cargo samples of products requiring a prewash must be landed ashore. |
9.8/sec 4.7 |
| 5.3.54 | There is a company procedure for monitoring samples of inhibited cargoes, including maximum period for storage onboard and periodic inspection of the samples | 9.8/sec 4.6 |
| 5.3.55 | The Company provides guidance in the event of a cargo measurement discrepancy There should be a specific written procedure available in the event of a discrepancy between ship and shore figures, detailing the steps to be taken to try to resolve the difference prior to a note of protest being issued. |
Commercial Manual 8.2 |
| 5.3.56 | A Company manual contains procedures for reporting any cargo non-conformance Examples of cargo non-conformance may include discrepancies in quantity, quality, temperature, and colour, etc. Officers are aware of: |
9.8/sec 12.3 |
| 5.5.3 | The precautions required for reactive cargoes Officers, and in particular the Chief Officer, should be aware of how to use the chemical compatibility information on board. In cases where a reaction will occur between two chemicals, they should be aware of the need to provide double separation in all aspects of the transfer and stowage of the cargo, segregation of the venting system and, if applicable, isolation from air, and the need to ensure that the pipelines or tanks do not contain any materials which are identified as unsuitable on the data sheets, etc. They should also be aware of their responsibility to refuse to load any cargo for which they do not have sufficient information to establish the possibilities of reaction. |
9.2/sec 4.2 9.2/App 1 |
| 5.5.4 | The precautions required for self-reactive cargoes Officers, and in particular the Chief Officer, should be aware of the requirement to have on board an inhibitor certificate prior to commencing to load any self-reactive cargo. They should also be aware of:
|
9.2/sec 4.2 9.2/App 1 |
| 5.5.5 | The special heating requirements for the cargoes carried on board | 9.8 |
| 5.5.6 | The effects of high density cargoes Officers and in particular the Chief Officer, should be aware of the maximum cargo density which may be loaded into the tanks or where that information may be found. They should be aware of the possibility of structural damage if the density limit is exceeded. |
9.2/sec 4.5 9.2/App 1 |
| 5.5.7 | The hazards from corrosive cargoes Officers and in particular the Chief Officer, should be aware of the three main hazards associated with corrosive cargoes:
|
9.2/sec 4.3 9.2/App 1 |
| 5.5.8 | The handling of solidifying and high viscosity cargoes | 9.10/sec 7 |
| 5.5.9 | The hazards of toxic cargoes Officers should be aware that toxic cargoes are harmful, producing serious or fatal effects and that these may result from contact with the skin, ingestion, or inhalation. |
9.2/sec 4.4 9.2/App 1 |
| 5.5.10 | The special requirements regarding medical treatment following exposure to hazardous cargoes Officers, and in particular the Chief Officer, should be aware of how to identify the medical treatment required following exposure to hazardous cargo, including the identification of the correct medicament to be used. |
9.9/sec 5 9.2/sec 6 |
| 5.5.15 | The meaning of pollution category X, Y, Z, and OS Officers, and in particular the Chief Officer, should be familiar with the effects on marine life and the environment of discharging tank washings from X, Y, Z, and OS substances into the sea and the means by which these substances can be safely disposed of at sea. |
9.7/App 1 |
| 5.5.16 | Prewash requirements | 9.7/sec 12 |
| 5.5.17 | Hazards from electrostatic generation Officers should be aware of the possibility of static generation when low conductivity cargoes are handled and the need for reduced loading rates at the initial stages of loading a tank. They should also be aware of the need to allow a settling period after loading and prior to sampling and ullaging and the need to earth gauging and sampling equipment. There should also be recognition that synthetic ropes should not be used on sampling or ullaging equipment. |
9.2/4.7 9.2/App 2 |
| 5.5.26 | All officers involved in cargo operations are familiar with the hazards of tank over pressurization, including the function and operation of a PV valve and the secondary means for pressure/vacuum relief | 9.4/sec 9 9.4/sec 7.3 |
| 5.5.27 | Crew are familiar with the safety hazards of inert gases, including nitrogen, flue gas and other gases that may be given off by cargo, including proper procedures when used or contained in a confined space/area. Hazards include: - Nitrogen is colourless and odourless with no warning properties, and can only be detected through the use of instruments (i.e. oxygen deficiency, tubes); - Carbon Monoxide is colourless, odourless and toxic, and can be given off by some vegetable oils. - Flue gas and IGS can generate carbon monoxide and carbon dioxide; - H2S is toxic and at high concentrations is odourless; - Gases and inert gases can concentrate in confined spaces and areas, including on-deck areas (i.e. deck frames, where other structure blocks wind, etc.). |
9.12 |
| 5.5.28 | All crew are familiar with the hazards of nitrogen overpressure, and the associated precautions that should be taken | 9.12/sec 5 |
| 5.5.31 | Personnel responsible for tank cleaning understand the dangers associated with the use of recirculated water during cleaning operations The Chief Officer and other personnel responsible for tank cleaning should be aware that recirculated wash water should not be used for tank cleaning purposes due to the possibility of electrostatic generation other than in fully inerted or gas-free tanks. |
9.7/sec 8.3 |
| 5.5.32 | Personnel responsible for tank cleaning understand the dangers associated with the use of tank cleaning chemicals/agents during cleaning operations The Chief Officer and other personnel responsible for tank cleaning should be aware of the possible health hazards associated with the use of tank cleaning chemicals/agents which may have a low TLV. They should also be aware that tank cleaning chemicals act as electrostatic generators and should therefore only be used to clean tanks which are in a non-flammable condition. |
9.7/sec 7.10 9.7/sec 7.11 |
| 5.5.33 | Personnel responsible for tank cleaning understand the dangers associated with steaming cargo tanks The Chief Officer and other personnel responsible for tank cleaning should be aware that steam can act as a static generator and for this reason steam should never be injected into a non-inert tank until it has been washed and gas freed to a level less than 1% LFL. |
9.7/sec 8.4.8 |
| 5.5.34 | Personnel are familiar with company procedures, proper techniques, hazards, protective equipment, and other aspects of taking, handling and storing samples | 9.8/sec 4 |
| 5.5.35 | Personnel are familiar with the applicable emergency procedures as listed in the Guidance Notes for 7.1.2 | 9.9 |