What is the difference between NFPA 13 and NFPA 13R?

While NFPA 13 is applicable to a variety of commercial buildings—both residential and nonresidential—NFPA 13R is essentially only applicable to low-risk residential structures that consist of four stories or less.

What is NFPA 13R?

NFPA 13R is a residential sprinkler design standard focused on low-rise residential occupancies. The Standard’s intent is to provide a sprinkler system that aids in the control of residential fires and provides improved protection against injury and life loss in multi-family dwellings.

Can you mix NFPA 13 and 13R?

Mixing NFPA 13 and NFPA 13R systems in a building also significantly complicates installation for sprinkler contractors. With different fire protection goals, NFPA 13 and NFPA 13R systems maintain different requirements for such critical factors as water supply, system demand, and sprinkler density.

When can NFPA 13R be used?

The committee statements explicitly stated that a single building (either a separated, mixed- occupancy or a podium/pedestal facility) is allowed by the building codes to use a 13R system in the residential portions of the building and a 13 system in other portions of the building.

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What is NFPA 13D?

NFPA 13D is a residential sprinkler design standard focused on one- and two- family dwellings and manufactured homes. The intent is to provide an affordable sprinkler system in homes while maintaining a high level of life safety.

What does NFPA 13 cover?

The industry benchmark for design and installation of automatic fire sprinkler systems, NFPA 13 addresses sprinkler system design approaches, system installation, and component options to prevent fire deaths and property loss.

What year is NFPA 13?

NFPA 13 is the industry standard on all matters related with sprinkler systems in the USA, and the first version was published over a century ago in 1896.

Fire Sprinkler System Components and Installation.

Antifreeze A wet pipe system where water is mixed with an antifreeze compound.

Why is it important for the code to establish NFPA 13 in commercial buildings?

One of the most widely used sets of standards covering fire sprinkler requirements for commercial buildings is NFPA 13, Standard for the Installation of Sprinkler Systems. … Fire sprinkler systems must be installed throughout the building and must be designed to provide the maximum amount of coverage.

Do closets require sprinklers?

Sprinklers shall not be required in clothes closets, linen closets, and pantries that meet all of the following conditions: (1) The area of the space does not exceed 24 square feet. (2) The walls and ceilings are surfaced with noncombustible or limited-combustible materials.

What is standpipe system?

Standpipe systems consist of piping and hose connections installed throughout a building to provide reliable water for the manual suppression of a fire by either the fire department or trained personnel.

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Are sprinklers required in attics NFPA 13R?

Section 6.6. 6 of the 2016 NFPA 13R does require attics that are used for living space, storage or that have fuel-fired equipment to have sprinklers. However, both the code (IFC/ IBC in Figure 1) and standard (NFPA 13R) will not require complete attic sprinkler protection for fuel-fired equipment.

What is the minimum distance between a sprinkler head and any obstruction?

In a nutshell, NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems says that objects that can block a sprinkler’s spray must be at least 18 inches away from the deflector.

What is the clearance required around sprinkler risers and valves?


A minimum 3-foot clearance in front of the entire width of the fire sprinkler equipment and 1-foot clearance on the remaining 3 sides shall be provided.

Does NFPA 13R require FDC?

A fire department connection (FDC) is required for most NFPA 13 and 13R automatic sprinkler systems and standpipe systems. … Fire apparatus can connect supply hoses to the FDC to pump additional water into sprinkler or standpipe systems.

What is the maximum distance between sprinkler heads?

The max distance between standard spray sprinklers in light hazard settings is 15 ft. (4.6 m) (with exceptions for light-hazard, combustible concealed spaces). The small room rule allows sprinklers to be placed up to 9 ft.

What does NFPA stand for?

The National Fire Protection Association (NFPA) is a global self-funded nonprofit organization, established in 1896, devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards.

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