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What is NFPA 13R?

The ruling body for fire safety codes is the National Fire Protection Association (NFPA). This entity determines the fire safety codes and is the recognized standard by which all businesses are to follow.

It is the NFPA that sets the codes for the types of sprinkler systems that must be or can be installed in a building primarily based on its occupancy. In 1896, they developed the first code for systems in residential or habitational type occupancies: NFPA 13.

NFPA 13 is designed to serve two distinct purposes:

  • To eliminate the risk of bodily injury or death of residents/guests
  • To significantly reduce fire damage to the property and any subsequent water damage from the fire response efforts

The building must be 100% sprinklered including attic space whether accessible or not. The costs to install can be substantial for the following reasons:

  • Piping must be steel which is more labor intensive to fabricate.
  • Attics must be also be sprinklered.
  • Aesthetic work is more substantial with the exposed steel pipes.

For a variety of reasons such as cost and labor, NFPA came out with a modified code in the 1970s for residential housing: NFPA 13R (Residential). The main purpose of this risk management tool was purely the protection of lives, unlike NFPA 13 which also was protecting the physical property.

A criterion for the residential housing was that the structure had to be less than four stories in height. As such, the sorority chapter houses did qualify for 13R status, with the only caveat being the attics were not to be used for any purposes and were to have limited access to the attic space.

When the interest for sprinkler systems began to escalate, we were successful in getting the insurance company to provide substantial credits for a property that met the NFPA 13R code. Even though the primary benefit was life safety or the liability exposure, the insurance company agreed to apply this credit to the property premium due to our rationale, which included the following:

  • As generally 57% of the account premium is for the property exposure whereas the liability was only 15% thus the dollar discount was far more substantial
  • As an inducement to get the property owners to budget for a sprinkler system
  • To support the best risk management tool for life safety of your members, employees and guests

Over the years, we have seen an exposure emerge which has become a challenge, which is that the chapter house attics frequently aren’t sprinklered. Of the six property fires over $100,000 in claim cost, four of them started in the attic, which was unsprinklered and had no other type of fire detection system.

The biggest problem comes from the fact that the fire burns for some time in the attic and/or roof area, and it isn’t until it burns through the attic flooring for the debris to land on the next floor before the sprinkler system is engaged and the fire department is alerted. The second problem then comes when the fire department gets there and has to release far more water than normal to extinguish the fire. Subsequently, you have more of your building damaged by the fire and more water damage in trying to put it out.

The liability insurance company underwriters are still very pleased that there is reduced if not completely eliminated bodily injury exposure, but the property underwriters are growing concerned about the exposure of attic fires.

The obvious solution to this dilemma is to install sprinklers in the attic, but this would be virtually impossible for expense reasons. We have done extensive research on this matter and can reach no other conclusion.

We can however recommend another solution to the fire protection alert delay that presently exists which is the installing of a heat sensor to your existing fire alarm system in the attic space. The fire department gets alerted to a fire much faster than without sensors, and there is ultimately less property damage along with the life safety benefit. For further reading on heat sensors, check out these additional resources.