CSA HGV 4.9-2016 Hydrogen fueling stations

CSA HGV 4.9-2016 Hydrogen fueling stations. 3 Definitions and abbreviations 3.1 Definitions The following definitions shall apply in this Standard: Accessory — a part capable of performing an independent function and contributing to the operation of the appliance or fueling station that it serves. Ambient temperature — the ground-level temperature of the air measured at the fueling station dispenser, not in direct sunlight. Approved — acceptable to the authority having jurisdiction. Approval — approved by, or approval of, the authority having jurisdiction. Authority having jurisdiction (AHJ) — an organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure. Breakaway device — a component installed downstream of the dispenser outlet connection to protect the dispenser assembly from damage by vehicles driving away while still connected to the dispenser nozzle. Building — a structure or part thereof used or intended for supporting or sheltering persons, animals, or property and classified by its occupancy in accordance with the applicable building code of the authority having jurisdiction, or in the absence of such, in accordance with the National Codes. Canary species — a constituent in the gas stream which can serve as an indicator of the presence of impurities and other chemical constituents due to the high probability of presence of impurities in a fuel produced by a given process. Capacity — Consecutive fueling — the quantity of hydrogen that can be dispensed at a station using consecutive fueling events. Consecutive fueling is defined as a continuous fueling of vehicles or test devices from the required starting pressure to the standard end of fueling condition with a maximum time between each fueling. Consecutive fueling capacity — the mass of hydrogen in kg that can be dispensed at a station using consecutive fueling events. Consecutive fueling is defined as a continuous fueling of vehicles or test devices from the required starting pressure to the standard end of fueling condition with a maximum time between each fueling. Daily fueling capacity — the mass of hydrogen in kg that can be dispensed at a station in a 24-hour period. Hourly fueling capacity — the mass of hydrogen in kg that can be dispensed at a station in one hour.CSA HGV 4.9 pdf downlaod.