Section 3 Documentation for review 
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 26 Fuel Cell Power Installations - Section 3 Documentation for review 

Section 3 Documentation for review 

Parent topic: Chapter 26 Fuel Cell Power Installations

3.1 Ship profile, principle of operation and risk analysis

3.1.1 The documentation described below is to be submitted for information:
  1. Details of the intended service profile of the fuel cell power installation together with a description of the intended services that are to be supplied by the fuel cell power installation.
  2. A Design Statement detailing the safety concept, operating principles and philosophy of the fuel cell power installation and all associated sub-systems such as fuel reforming, oxidant supply, thermal management and power conditioning, and the power conditioning requirements such as the rated output voltage, current and frequency.
  3. Schedule of testing at the manufacturer’s works to demonstrate that the fuel cell power installation is capable of operating as described in the service profile Design Statement, including any testing required to confirm the conclusions of the engineering and safety justification. The test schedules are to consider all modes of operation.
  4. Schedule of onboard commissioning tests and sea trials which are intended to ensure that the fuel cell power installation operates in accordance with the service profile and Design Statement when installed on board.
  5. Operating and maintenance manuals detailing the installation, operating and maintenance instructions.
3.1.2 The documentation described below is to be submitted for appraisal:
  1. Engineering and safety justification documentation demonstrating that the safety of the fuel cell power installation is commensurate with conventional oil-fuelled reciprocating and rotating machinery.
  2. Where fuel cell power installations are used to supply power for propulsion of the ship or other essential services, system dependability assessment documentation demonstrating that the dependability of the fuel cell power installation shall be of an equivalent level of dependability to that achieved with new and comparable conventional oil-fuelled reciprocating and rotating main and auxiliary machinery.
  3. A fire safety engineering analysis where required by Statutory Requirements.

3.2 Installation arrangements

3.2.1 The documentation described below is to be submitted for information:
  1. General arrangement plans showing fuel cell spaces relative to fuel bunkering stations, fuel storage tanks, fuel processing equipment, high fire risk areas, accommodation, service and control spaces, water ballast and tanks containing flammable substances.
  2. Drawings and details of equipment enclosures including design pressures and any blast relief arrangements.
  3. Details of any parts of the fuel cell power system which in normal and reasonably foreseeable abnormal conditions may exceed 220°C and of cooling or lagging arrangements.
  4. Details of the purity and composition of inert gas for purging and relevant International or National Standards for quality.
3.2.2 The documentation described below is to be submitted for appraisal:
  1. Plans of hazardous areas and a schedule of electrical equipment for use in explosive gas atmospheres associated with the fuel cell power installation, indicating the locations of hazardous areas.
  2. Plans of the ventilation system for the fuel cell power installation including fuel cell spaces, enclosures, casings including airlocks, ventilation hoods, pipe ducting and any dampers, closing appliances and the position of the controls.

3.3 Fuel and oxidant

3.3.1 The documentation described below is to be submitted for information:
  1. Process Flow Diagrams (PFDs) and Piping and Instrumentation Diagrams (P&IDs) for the fuel and oxidant supplies.
  2. Description of the fuel and oxidant supply arrangements and a list of monitoring, control and alarm points.
  3. Details of the composition of fuel, including primary fuel proposed for reforming on board and the reformed fuel, including details of the toxicity, flammability, corrosivity and reactivity of the fuels.
  4. Details of purity and composition requirements for fuels and relevant International or National Standards for quality.
  5. Details of the purity, quality and filtration standards for oxidant air.
  6. Evidence that the fuel reformer can meet fuel purity and composition requirements.
  7. Details of maximum and minimum allowable temperatures and pressures for the fuel reformer and expected temperatures and pressures during normal and reasonably foreseeable abnormal conditions.
  8. Details of cooling and/or heating requirements for the fuel reformer.
  9. Details of maximum allowable vibration, shock loading and impact which the fuel reformer is intended.
3.3.2 The documentation described below is to be submitted for appraisal:
  1. Details of the arrangements for the supply and conditioning of fuel and oxidant, including manifolds, trunking, fans and filtering and any necessary cleaning.
  2. Fuel piping system plans including details of the piping design, materials, installation, ducting, valves, fittings, pressure relief, expansion, ventilation and purging arrangements.
  3. Fuel reformer plans including materials, pumps, compressors, heat exchangers, process tanks, reaction vessels, catalytic conversion, and any other machinery and equipment forming a part of the fuel reforming system.
  4. Details of oxidant air intakes, trunking and fans.
  5. Purging and inerting arrangements.

3.4 Fuel cell module

3.4.1 The documentation described below is to be submitted for information:
  1. Description of fuel cell modules including associated fuel cell stack arrangement.
  2. Evidence of testing in accordance with a recognised international or national type testing standard.
  3. Details of the toxicity, corrosivity, flammability and reactivity of fuel cell stack materials, electrolyte, catalytic oxidants, condensate and other substances within the fuel cell module.
  4. Details of the expected fuel cell stack temperatures and pressures in normal operation and under reasonably foreseeable abnormal conditions.
  5. Details of the maximum and minimum temperatures and pressures for fuel, oxidant and services required by the fuel cell stacks.
  6. Details of the composition of fuel cell module exhaust gas and condensate.
  7. Details of cooling and/or heating requirements.
3.4.2 The documentation described below is to be submitted for appraisal:
  1. Plans of fuel cell modules, including fuel cell stacks, connections for fuel, oxidant, water and any other service fluids/gases, condensate, cooling, and flue gas.
  2. Plans and details of all penetrations in the fuel cell module.

3.5 Thermal management, water and condensate

3.5.1 The documentation described below is to be submitted for information:
  1. Plans and process flow drawings of exhaust piping, heat rejection and recovery equipment.
3.5.2 The documentation described below is to be submitted for appraisal:
  1. Plans of fuel cell power installation cooling/heating water and condensate equipment including materials, pumps, heat exchangers, tanks, condensate process equipment, and other machinery and equipment fitted for the supply, discharge and processing of water and condensate.
  2. Plans of cooling/heating water and condensate piping systems including installation, materials, ducting, valves and fittings, pressure relief, expansion, draining and purging arrangements.
  3. Details of the exhaust back pressure and the maximum allowable back pressure of the fuel cell module where thermal conditioning equipment is included within fuel cell power system exhaust arrangements.

3.6 Electrical and control equipment

3.6.1 The documentation described below is to be submitted for information:
  1. Evidence of testing in accordance with LR Type Approval System – Test Specification Number 1 or recognised international or national type testing standard, as appropriate to its location.
  2. A Factory Acceptance Test plan which verifies the suitability and correct operation of the electronic control and safety system during both normal and reasonably foreseeable abnormal operation.
  3. A schedule of the estimated operational loads on the system for the different operating conditions expected. The fuel cell module service profile is to include requirements for maximum allowable rate of temperature increase and any limitations on load cycling.
3.6.2 The documentation described below is to be submitted for appraisal:
  1. Line diagram of the installation(s) indicating the rating of the various items of rotating machinery, converters, transformers and protective devices, together with the types and sizes of cables and the makes, types and ratings of protective devices.
  2. Arrangement plans and circuit diagrams of the switchboards.
  3. Calculations for short-circuit currents.
  4. A schedule of electrical equipment located in hazardous zones, giving details of the type of equipment employed, the Certifying Authority and the certificate number.
  5. Details of high voltage electrical and/or optical fibre cable routing and details of cable glands and sheathing.
  6. Plan for software production.
  7. Line diagrams and details of the control system.
  8. Schedule of the parameters which are monitored and controlled, including alarms and shutdown devices.
  9. A cause and effect diagram indicating the causes and results of activation of all shutdowns associated with the fuel cell power installation.

3.7 Fire protection, detection and extinction

3.7.1 The documentation described below is to be submitted for information:
  1. Details of any special fire-extinguishing media required by the fuel cell power system and associated fuel and oxidant supply systems, or details of any hazards presented from using water or other standard fire-extinguishing media on any part of the fuel cell power system.
  2. A fire control plan meeting the requirements of SOLAS Chapter II-2, Regulation 15.2.4, along with a structural fire protection plan.
  3. A plan showing the arrangement of the fire main system protecting all fuel cell spaces, or spaces adjacent to any part of the fuel cell power system.
3.7.2 The documentation described below is to be submitted for appraisal:
  1. A plan showing the arrangement of waterspray systems protecting spaces containing any part of the fuel cell power system, fuel and oxidant supply to the fuel cell power system, fuel and oxidant storage hold spaces and ventilation trunks to such spaces, if any. The plan is to show details of any such fixed fire-fighting system, including calculations for the quantities of the media used and the proposed rates of application.
  2. A plan showing the arrangements of the fire detection system for the fuel cell power installation.
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