One way in which the nfpa sprinkler committee has attempted recently to keep the water supply demand for the attic area reasonable is by allowing the use of small orifice k 4 2 sprinklers in dry pipe systems where the piping is corrosion resistant or internally galvanized.
Attic sprinkler requirements.
Appendix a tfp610 figure 20.
Provides a specific cost advantage by reducing the amount of piping required.
The biggest change is for pedestal or podium type buildings where the attic is over 55 feet from the lowest level of required fire department vehicle access.
Wet or dry pipe systems.
Sity area prescriptive spacing requirements do not apply as these sprinklers are not bound by the nfpa 13 s x l rules.
705 8 5 nfpa 13 and nfpa 13r sprinklers delete the protection requirements of openings in an exterior wall where.
In rack fire sprinkler solutions.
Wide with a single line of piping eliminating the need for as many as five branch lines.
The positioning and spacing requirements of this data sheet take precedence over any other prescriptive re.
Kres kfr fusible link sprinklers.
Specific application sprinklers for protecting attics.
Changes require sprinklers in occupied attics and attics used for storage and a single sprinkler when fuel fired appliances are in stalled.
For individual areas requiring more than four ap sprinklers the maximum area of attic protected by ap sprinklers is limited to 3000 ft2 279 m2 in any sin gle area.
Wp window series sprinklers.
Areas must be separated by a minimum of 15 feet 4 6 m by an area protected by bb sd or hip sprinklers in order to be considered separate.
Attic sprinklers comprise an overall protection scheme.
The starting point to determining if attics require sprinkler protection is section 8 1 which basically says to protect all spaces unless there is a.
When this height is exceeded the attic.
Ddv diaphragm deluge valve.
Cover attics to 60ft.
Nfpa 13 installation of sprinkler systems the standard for the installation of automatic sprinkler systems never specifically addresses whether or not an attic requires sprinkler protection.