توضیحات :
NFPA 13D – Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes
۲۰۲۲ Edition
Chapter 1 Administration
۱-۱* Scope.
۱-۱-۱ This standard shall cover the design, installation, and maintenance of automatic sprinkler systems for protection against the fire hazards in one- and two-family dwellings, manufactured homes, and townhouses.
۱-۱-۲ This standard shall not provide requirements for the design or installation of water mist fire protection systems, which are not considered fire sprinkler systems and are addressed by NFPA 750.
۱-۱-۳ This standard shall be based on the concept that the sprinkler system is designed to protect against a fire originating from a single ignition location.
۱-۲* Purpose.
۱-۲-۱ The purpose of this standard shall be to provide a sprinkler system that aids in the detection and control of residential fires and thus provides improved protection against injury and life loss.
۱-۲-۲ A sprinkler system shall be designed and installed in accordance with this standard to prevent flashover (total involvement) in the mom of fire origin, where spقهinklered, and to improve the chance for occupants to escape or be evacuated.
۱-۳ Retroactivity. The provisions of this standard reflect a consensus of what is necessary to provide an acceptable degree of protection from the hazards addressed in this standard at the time the standard was issued.
۱-۳-۱ Unless otherwise specified, the provisions of this standard shall not apply to facilities, equipment, structures, or installations that existed or were approved for construction or installation prior to the effective date of the standard. where specified, the provisions of this standard shall be retroactive.
۱-۳-۲ In those cases where the authority having jurisdiction determines that the existing situation presents an unacceptable degree of risk, the authority having jurisdiction shall be permitted to apply retroactively any portions of this standard deemed appropriate.
۱-۳-۳ The retroactive requirements of this standard shall be permitted to be modified if their application clearly would be impractical in d1e judgment of the authority having jurisdiction, and only where it is clearly evident that a reasonable degree of safety is provided.
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