توضیحات :
NFPA 50A – Standard for Gaseous Hydrogen Systems at Consumer Sites
۱۹۹۹ Edition
Chapter 1 General Information
۱-۱ Scope. This standard covers the requirements for the installation of gaseous hydrogen systems on consumer premises where the hydrogen supply to the consumer premises originates outside the consumer premises and is delivered by mobile equipment.
۱-۲ Classification. Systems are classified according to the total volume of hydrogen, including unconnected reserves, as follows:
(a) Less than 3500 scf (99 m3), except as covered in 1-3.1
(b) From 3500 (99 m3) to 15,000 scf (425 m3)
(c) In excess of 15,000 scf (425 m3)
۱-۳ Application.
۱-۳-۱ The application of this standard at places of public assembly shall be subject to approval of the authority having jurisdiction.
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