Chapter 6 ID 234 Building Codes Fire Suppression
compartmentation compartmentation construction assemblies construction assemblies Passive System
Spacing minimums and maximums Spacing minimums and maximums Coverage of sprinkler head Coverage of sprinkler head Active System: Sprinklers Sprinklers
Three parts to system Detect Detect Warn Warn Supress Supress
Requirements vary by Use Group Required with conditions listed Required with conditions listed 903.2: Sprinklers 903.2: Sprinklers References NFPA 13 References NFPA : Fire Extinguishers 906.2: Fire Extinguishers References NFPA 10 References NFPA : Detection systems 907.2: Detection systems References NFPA 72 References NFPA 72 Manual vs. Automatic Manual vs. Automatic
Automatic, manual, or both Automatic, manual, or both Plumbing engineer Plumbing engineer Requirements based on Use of building and Construction Type Requirements based on Use of building and Construction Type
Assembly occupancy
R2 occupancy
Detection “initiating devices” “initiating devices” CO CO Smoke Smoke Heat Heat Manual fire alarms Manual fire alarms
Alarm systems Visual Visual Audio Audio within 5’ of exit within 5’ of exit Emergency Voice/Alarm Comm. Emergency Voice/Alarm Comm. EVACS EVACS Speakers, etc. Speakers, etc. Mass notification systems Mass notification systems We’ve got one! We’ve got one!
Extinguishing systems Fire extinguishers Fire extinguishers within 30’ of cooking equipment within 30’ of cooking equipment open flames, computer rooms, etc open flames, computer rooms, etc Maximum travel distance: 75’ Maximum travel distance: 75’ Standpipes and hoses Standpipes and hoses wet or dry wet or dry automatic or manual automatic or manual
Sprinkler systems Wet Wet Dry Dry Deluge Deluge Preaction Preaction
Sprinkler head types upright, sidewall, pendant, recessed, concealed, sidewall concealed
Sprinkling
Aesthetic choices
7’5’ maximum from side walls 7’5’ maximum from side walls 15’ OC maximum 15’ OC maximum Spacing Rule of Thumb
Water distribution
Standpipes
Alarms: NFPA 72 indicates where needed
Bring in your computer Bring in your computer Bring in a file of your project Bring in a file of your project Read: 780 CMR Chapter 10 Read: 780 CMR Chapter 10 Review: Chapter 4, Means of Egress Review: Chapter 4, Means of Egress Next week: Life Safety Diagrams of your projects
we’ll look at: Compartmentation of egress system Compartmentation of egress system Egress system components Egress system components Exit sign locations Exit sign locations Fire extinguishers Fire extinguishers