توضیحات :
NFPA 123 – Standard for Fire Prevention and Control in Underground Bituminous Coal Mines
۱۹۹۹ Edition
Chapter 1 Introduction
۱-۱* Scope.
۱-۱-۱* This standard covers minimum requirements for reducing loss of life and property from fire in underground bituminous coal mines.
۱-۱-۲ This standard does not apply to the following:
(a) Diesel fuel that has been modified with additives that reduce the flash point to less than 100°F (37.8°C)
(b) Modified or unmodified diesel fuel used at altitudes where the flash point drops to less than 100°F (37.8°C)
(c) Explosion hazards
(d) Storage of flammable and combustible liquids produced in underground coal mines
(e) Methane drainage systems
(f) Spontaneous combustion
۱-۱-۳ This standard is based on the current state of the art. Application to existing installations is not mandatory. Nevertheless, operating mines are urged to adopt those features of this standard that are considered applicable and reasonable for existing installations.
۱-۱-۴ Nothing in this standard is intended to prevent the use of systems, methods, or devices of a quality, reliability, strength, fire resistance, effectiveness, durability, or safety equivalent to those prescribed by this standard. Technical justification or demonstration of equivalency shall be provided to the authority having jurisdiction.
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