Section 2 Approval of Plans and Documents

201. Plan and Documents

For a ship in which fuel cell systems are installed, plans and documents(triplicate for approval and 1 copy for reference), specified below para. 202 and 203, are to be submitted and approved before the work is commenced. And, the Society, where considered necessary, may require further plans and documents other than those specified below.

202. Plan and data for approval

1. Arrangement plans showing location of:

(1) Machinery spaces, accommodation, service and control station spaces

(2) FC fuel tanks and FC fuel containment systems

(3) FC fuel pump and compressor rooms

(4) FC fuel piping with shore connections

(5) Tank hatches, ventilation pipes and any other openings to the FC fuel tanks

(6) Ventilating pipes, doors and openings to FC fuel pump rooms, compressor rooms and other hazardous areas

(7) Entrances, air inlets and openings to accommodation, service and control station spaces

(8) Hazardous areas of zone 0, 1 and 2

2. Plans and particulars for fuel cell including :

(1) Fuel cell principles

(2) Description of the process and function of the FC system

(3) Arrangement drawings of the fuel cell including dimensions, materials, operating temperatures, pressures, weights

(4) Technical documents of the components, including the fuel cell stacks (descriptions, specifica- tions, verification of suitability according to existing standards and rules, approvals and in-

spection certificates)

(5) Strength calculations of pressure containing components, or test reports

(6) Documentation of compliance with environmental conditions, including calculations or test re- ports

(7) Voltage and current levels in different parts of the cell

(8) Specification of fuel cell system surface temperature

(9) Type and characteristics of fuels

(10) Maintenance plan (replacement of stack etc.)

(11) Earthing principles

(12) Safety devices with set points

(13) Documentation of life time and availability

(14)

A failure mode and effect analysis (FMEA) examining all possible faults affecting the oper-

ation of fuel cells, together with a test program for verification of the main conclusions from

the FMEA (The power deterioration rate for the fuel cell is to be documented through analysis or test results, and is to consider different power levels and different modes of operation. The

test program can be based on the IEC standard 62282-3-1 "Stationary fuel cell power sys- tems-

Safety", but will also have to take the environmental and operating conditions in a ship in- to account.)

3. Following plans and data of the gas fuel containment system:

(1) Drawing of gas tanks including information on non-destructive testing of welds and strength and tightness testing of tanks

(2) Drawings of support and staying of gas tanks

(3) Specification of materials in gas tanks and gas piping systems

(4) Specifications of welding procedures for gas tanks

(5) Specification of stress relieving procedures for independent tanks type C (thermal or mechanical)

(6) Specification of design loads and structural analysis of gas tanks

(7) A complete stress analysis for gas tanks

(8) Specification of cooling-down procedure for gas tanks

(9) Arrangement and specifications of second barriers

(10) Drawings and specifications of gas tank insulation

(11) Drawing of marking plate for gas tanks

Ch 1 General Ch 1

4. Following plans and data of piping systems:

(1) Drawings and specifications of FC fuel piping including ventilation lines of safety relief valves or similar piping

(2) Drawings and specifications of offsets, loops, bends and mechanical expansion joints, such as

bellows, slip joints(only inside tank) or similar means in the FC fuel piping

(3) Drawings and specifications of flanges, valves and other fittings in the FC fuel piping system.

For valves intended for piping systems with a design temperature below - 55 °C, documentation for leak test and functional test at design temperature (type test) is required

(4) Complete stress analysis of piping system when design temperature is below - 110 °C

(5) Documentation of type tests for expansion components in FC fuel piping system.

(6) Specification of materials, welding, post-weld heat treatment and non-destructive testing of FC fuel piping

(7) Specification of pressure tests (structural and tightness tests) of FC fuel piping

(8) Test plan and procedures for functional tests of all piping systems including valves, fittings and associated equipment for handling FC fuel(liquid or vapour)

(9) Drawings and specifications of insulation where such insulation is installed

(10) Specification of electrical bonding of piping

(11) Specification of means for removal of liquid contents from bunkering pipes prior to dis- connecting the shore connection

(12) Cooling or heating water system in connection with FC fuel system, if fitted.

5. Following plans and particulars for the safety relief valves

(1) Drawings and specifications for safety relief valves and pressure/vacuum relief valves and asso- ciated ventilation piping

(2) Calculation of required gas tank relief valve capacity, including back pressure

(3) Specification of procedures for changing of set pressures of gas tank safety relief valves if such arrangements are contemplated

(4) Calculations for safety valves ventilation mast : location, height, details

6. Following plans and data for equipment and systems regarding fire protection and ex- tinction :

(1) Arrangement and specification of fire extinguishing systems(water spray system, dry chemical powder installation, etc.)

(2) Arrangement

of fire detection systems related to FC system

(3) Arrangement of fire insulations related to FC system

(4) Arrangement of ventilation duct required for FC fuel pipes lead through enclosed spaces

(5) Arrangement of ventilation duct for FC fuel storage tank fitted below deck, if applicable

7. Following plans and data for electrical installations :

(1) Drawing(s) showing location of all electrical equipment in hazardous areas.

(2) Single line diagram for intrinsically safe circuits

(3) Data for verification of the compatibility between the barrier and the field component for in trinsically safe circuits.

(4) List of explosion protected equipment with reference to drawings together with certificates

(5) Single line diagram for main power, auxiliary power and control power distribution

(6) Short circuit contribution capability

(7) Voltage and frequency variations during steady state and transient modes

(8) Description of current DC components generated by the FC

(9) Description of methods for black out and dead ship recovery (propulsion, essential and emer- gency services)

(10) Active and reactive load capacities

(11) Configuration of the system in all operating modes and subsequent power distribution concept for different vessel systems or services (propulsion, essential and emergency services)

(12) System behaviour in relevant failure modes (propulsion, essential and emergency services)

8. Following plans and data for control, monitoring and safety systems :

(1) Gas detection system

(2) FC fuel tank monitoring system

(3) FC fuel compressors control and monitoring system

(4) FC system control and monitoring system.

Ch 1 General Ch 1

(5) FC fuel supply control system

(6) Safety systems including ESD

(7) In case where the power supply to propulsion or essential service is delivered by the fuel cell

system, a failure mode and effect analysis for the control, monitoring and safety systems for the whole installation including the support and supply systems, together with a test program for verification of the main conclusions from the FMEA. However, where the requirements of con- tinuity specified in Pt 6 Ch 1, 201 of the Rules for Steel Ships are satisfied by other means in ships and the fuel cell systems are installed additionally, this FMEA may be waved.

(8) A failure mode and effect analysis according to Ch.3 403. 3. (2).

9. A test program (may be included in programme for sea trials or on-board test)

10. Data for a risk analysis according to Ch.3 101.

203. Plans and documents for reference

1. Plans and data of the following equipment and systems

(1) Drawings showing location and construction of air locks with alarm equipment, if fitted

(2) Drawings of gastight bulkhead penetrations, if fitted

(3) Arrangements and specifications of mechanical ventilation systems in spaces covering FC fuel system, giving capacity and location of fans and their motors. Drawings and material specifica-

tions of rotating parts and casings for fans and portable ventilators

(4) Drawings and specifications of protection of hull steel beneath liquid piping where liquid leak- age may be anticipated, such as at shore connections and at pump seals

(5) Arrangement and specifications of piping systems for gas freeing and purging of FC, FC fuel tanks and related piping.

(6) For fixed gas detection and alarm systems: specification and location of detectors, alarm devices

and call points, and cable routing layout drawing

(7) Bilge and drainage arrangements in gas pump rooms, compressor rooms, tank rooms

(8) Air inlet arrangement including filters for FC

(9) Arrangements of exhaust system for FC

2. Calculation sheets of filling limits for FC fuel gas tanks.

3. Operation manual for all relevant operating modes (including bunkering, gas freeing, nor- mal operation, emergency operation).