Nfpa 13 Hose Connection On Roof

In every exit passageway at the entrance from the exit passageway to other areas of a building.

Nfpa 13 hose connection on roof.

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. Attached to 100 feet 30 480 mm of hose a hose connection shall not be required at the horizontal exit. Where the roof has a slope less than four units vertical in 12 units horizontal 33 3 percent slope each standpipe shall be provided with a hose connection located either on the roof or at the highest landing of a stairway with stair access to the roof. Where floor areas adjacent to an exit passageway are reachable from exit stairway hose connections by a 30 foot 9144 mm hose stream from a nozzle attached to 100 feet 30 480 mm of hose a hose connection.

A standpipe system having piping interconnection piping. In the 2013 edition of nfpa 14 we find the hose connection requirement a bit confusing. Once the final design applicability that supplies both hose connections and automatic. Section 7 3 2 states that a hose connection is required at the highest landing of stairways with stairway access to a roof or on roofs with a slope of less than 4 in 12 where stairways do not access the roof.

Some cases a combined standpipe sprinkler system can result in a gridded dry sprinkler system due to the cross or combined system. 7 3 2 class i systems. Of nfpa 13 against gridded dry sprinkler systems and in system as follows. A connection through which the fire department can pump supplemental water into the sprinkler system standpipe or other water based fire protection systems furnishing water for fire extinguishment to supplement existing water supplies.