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Where standpipe system is required?!

Where Standpipe System is Required?


Where standpipe system is required?! According to NFPA 1 - 2018
Where standpipe system is required?! According to NFPA 1 - 2018



According to NFPA 1 - 2018 edition, standpipe system is required as the following:

For new buildings:


New buildings shall be equipped with a Class I standpipe system, where any of the following conditions exist:
  • More than three stories above grade where the building is sprinklered.
  • More than two stories above grade where the building is not sprinklered.
  • More than 15 m above grade and containing intermediate stories or balconies.
  • More than one story below grade.
  • More than 6.1 m below grade.


For high-rise buildings:

High rise buildings shall be protected throughout by a Class I standpipe system.

For new assembly occupancies:

Regular stages over 93 m2 in area and all legitimate stages shall be equipped with 1.5 hose lines at each side of the stage.

For existing assembly occupancies:

Stages over 93 m2 in area shall be equipped with 1.5 hose lines at each side of the stage.


For new and Existing Detention and Correctional Facilities:

Standpipe and hose systems shall be provided as follows:

  • Class I standpipe systems shall be provided for any building three or more stories in height.
  • Class III standpipe and hose systems shall be provided for all non-sprinklered buildings three or more stories in height.

The requirements of for Detention and Correctional Facilities shall not apply where otherwise permitted by the following:

  • Formed hose 1 in. in diameter, on hose reels shall be permitted to provide ClassII service.
  • Separate Class I and Class II systems shall be permitted in lieu of a Class III system.


For more information about where standpipe system is required, you have to check it in NFPA 5000 (Building Construction and Safety Code) according to the occupancy classification


References of this article:


NFPA 1 - 2018 edition (Fire Code).

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