AS 62282.3.300:2021 – Fuel cell technologies Part 3.300: Stationary fuel cell power systems — Installation (IEC 62282-3-300:2012(ED.1.0), MOD)
AS 62282.3.300:2021 – Fuel cell technologies Part 3.300: Stationary fuel cell power systems — Installation (IEC 62282-3-300:2012(ED.1.0), MOD).
— Avoid the possible release of combustible and/or toxic gases and pollutant gases, liquids and solids.
— Eliminate hazards to personnel or damage to equipment or property external to the fuel cell power system and the related installation as far as rationally possible, when such energy or gases are released almost instantaneously.
– Provide appropriate safety markings concerning the remaining risks of hazards.
Special care shall be taken to address the following:
— Mechanical hazards — Sharp surfaces, tripping hazards, moving masses and instability. strength of materials and lIquids or gases under pressure.
— Electrical hazards — Contact of persons with live parts, short-cIrcuits. high voltage.
— Thermal hazards — Hot surfaces, release of high temperature liquids or gases, thermal fatigue
– Fire and explosion hazards — Flammable gases or liquids, potential for explosive mixtures during normal or abnormal operating conditions, potential for explosive mixtures during fault conditions.
— Malfunction hazards — Unsafe operation of Installation related equipment due to failures of software, control circuit or protective/safety components or incorrect manufacturing or misoperation.
— Material and substance hazards — Material deterioration, corrosion, embrittlement, toxic releases, choking hazards (e.g. by replacing oxygen by inert purge gases).
— Waste disposal hazards — Disposal of toxic materials, recycling, disposal of flammable liquids or gases.
— Environmental hazards — Unsafe operation in hotlceld environments, rain, flooding, wind, earthquake, external lire, smoke.
5 Siting considerations
5.1 General sitIng
The fuel cell power system shall comply with IEC 82282-3-100.
A fuel cell power system(s) and associated equipment, components, and controls shall be
sited In accordance with the manufacturer’s instructions and meet the following requirements:
— It shall be placed and fixed firmly so that It will not be easily moved, toppled, or dislocated.
— It shall be located and secured as necessary so that the system and equipment will not be adversely affected by wind, and seismic events, It shall be protected so as not to be adversely affected by rain, snow, ice, water and or freezing temperatures, unless the system and installation equipment is designed for those conditions.
— Sites for large power systems shall be protected against access by unauthorized persons If required by the location and Installation environment. Fire department access shall be provided.
— It shall be located outside Qf potentially hazardous atmospheres as defined by IEC 60079- 10, unless approved for the specific installation.
– It shall be sited so that the power system and equipment do not adversely affect building exits.
— It shall be located so that the power system(s) and components of a fuel cell power system and their respective vent or exhaust terminations are separated from doors. windows, outdoor Intakes and other openings into a building to prevent introduction of exhaust gases into the building.
– The exhaust outlet(s) shall not present a hazard when directed onto walkways or other paths of travel for pedestrians.
— It shall be located in a manner that allows service, maintenance and emergency access.
— It shall be located away from combustible materials, high-piled stock and other exposures to fire hazards. Distances and clearances shall be according to regulations given by the authority having jurisdiction (AHJ).
– It shall be located or protected to prevent physical damage from moving vehicles or equipment.
— Multiple power systems shall be located or protected such that a fire or failure of one of the systems does not present a safety hazard to adjacent power systems.
— Where demonstrated by an engineering analysis that the prescriptive requirements in this clause are unnecessary to achieve an equivalent level of safety, approved alternatives shall be proposed for permission by the AHJ.
— Discharged liquids and vapours shall be disposed of according to AHJ.
— Waterproofing of floors and installation of drainage piping and other appropriate actions shall be taken when installing a fuel cell power system which is expected to require drainage.
5.2 Outdoor installations
5.2.1 Air Intakes and v.nts
Air intakes and vents to a fuel cell power system shall be located so that the plant is not adversely affected by other exhausts, gases or contaminants. Air intakes to a fuel cell power system shall be kept unobstructed so their flow capacity is not affected by agglomeration of solids, dust, water, ice and snow,
5.2.2 Air intakes and exhaust
Air intakes and exhaust to and from a fuel cell power system shall not impact travel on walkways or other paths of travel for pedestrians.
5.2.3 Exhaust outlets
The exhaust outlet(s) from process areas, or areas that contain fuel-bearing components of a fuel cell power system, including outlets from relief valves, shall be located an such a manner that it will not affect heating, ventilating, and air-conditioning (HVAC) air Intakes, windows. doors, and other openings into buildings.