Sloped Roof Fire Sprinkler Installation

However where sprinklers are installed in the peak below a sloped ceiling or roof surface the sprinkler shall be installed with the deflector horizontal.

Sloped roof fire sprinkler installation.

Here is a quick summary of the minimum pipe slope requirements for fire sprinkler systems. Installation with fewer sprinklers installation with fewer branch lines a hydraulic advantage. Pipe slope is a critical element in reducing water collection following a sprinkler system drain. Asprhb33 horizontal base sprinkler.

Structural fire protection that is quick and easy to set up. These modified transport dynamics may increase the suppression challenge through increased fire size. Deflector orientation and or standoff distance. Water removal is important in that the largest detriment to sprinkler system life corrosion occurs across interfaces between air and water.

Ensure that the sprinkler deflector is installed with the deflector parallel to the sloped roof above. Sprinkler deflector orientation is outlined by fm global data sheet 2 0 installation guidelines for automatic sprinklers 3 and requires parallel to the floor installation. Excellent foam aspirating action. Per nfpa 13 the remote area should increase by 30 for the dry system nfpa 13 2013 section 11 2 3 2 5 and another 30 for the slope nfpa 13 2013 section 11 2 3 2 4.

Non combustible sloped attic spaces and have been developed to produce unique water spray patterns to enhance sprinkler placement while improving fire control. 12 16 7 are considered horizontal and sprinklers shall be permitted to be installed with deflectors horizontal. Roofs having a pitch not exceeding 2. 50 foot diameter spray per sprinkler providing over 1200 sq ft of coverage per set.

The sloped ceiling may also alter sprinkler spray patterns depending on sprinkler installation details e g. For placement on a sloped surface such as a roof a sub base of wood could be constructed to compensate for the slope or sand bags can be used to achieve that objective. Flash roof sprinkler system supports up to 24. A project that contains a light hazard office space with a dry pipe sprinkler system and a 900 sqft area with sloped ceilings about a 5 12 pitch.

Centerline of sprinkler must be a minimum of 6 laterally from face of truss see figure 8. When compared to standard spray sprinklers which have restricted nfpa 13 installation criteria within attic spaces the models bb sd hip and ap sprinklers fig.