A New Approach to A New Approach to Sprinkler System DesignSprinkler System DesignSprinkler System DesignSprinkler System Design
Updates in sprinkler and suppression technologyUpdates in sprinkler and suppression technology
Brendan MacGrath
FM Global
Brendan MacGrathManager, International Codes & Standards
Madrid, del 23 al 25 de febrero de 2010 / Madrid, 23rd to 25th of February of 2011Madrid, del 23 al 25 de febrero de 2010 / Madrid, 23rd to 25th of February of 2011
ContentsContents
• Movement Away from Density and Demand Area• Movement Away from Density and Demand Area• New Installation Guidelines for Automatic Sprinklers
– Data Sheet 2-0Data Sheet 2 0• Changes in Storage Protection Tables – Data
Sheet 8-9• What all this means
C ili d it d fCeiling density and performance
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#1#1 K S i kl Att ib tK S i kl Att ib t#1#1-- Key Sprinkler Attributes Key Sprinkler Attributes ––K FactorK Factor
K 360K 360K 360K 360
K 80K 80K 80K 80
44
K 80K 80250 l/min @ 10 bars250 l/min @ 10 bars
K 360K 360250l/min @250l/min @ 5 bar5 bar250 l/min @ 10 bars250 l/min @ 10 bars 250l/min @ 250l/min @ .5 bar.5 bar
Light fogLight fog Heavy downpourHeavy downpour-- Minimal penetrationMinimal penetration-- Easily pushed asideEasily pushed aside
-- Better penetrationBetter penetration-- Difficult to push aside Difficult to push aside
-- Prone to skipping Prone to skipping -- Skipping less likelySkipping less likely
FM Global Research Campus
Data Graphs PlotsData Graphs Plots
290290
[c][c]
290290260260230230200200170170150150
(ft)(ft)
120120909060603030
(ft)(ft) 10X10X(ft)(ft)21.3 m21.3 m
K factorK factor
K240 (K16.8) K240 (K16.8) @ 300 l/min (80gpm)@ 300 l/min (80gpm)
K160 (K11.2)K160 (K11.2)@ 300 l/min (80 @ 300 l/min (80 gpmgpm))
15 sprinklers operated15 sprinklers operated 29 sprinklers operated29 sprinklers operated15 sprinklers operated15 sprinklers operated 29 sprinklers operated29 sprinklers operated
#2 K S i kl Att ib t#2 - Key Sprinkler Attributes –Orientation
PendentPendentPendentPendent UprightUprightUprightUprightPendentPendentPendentPendent UprightUprightUprightUpright55
Orientation
K160 (K11.2) PendentK160 (K11.2) Pendent K160 (K11.2) UprightK160 (K11.2) Upright
Orientation
K160 (K11.2) Pendent K160 (K11.2) Pendent @ 230 l/min (60 @ 230 l/min (60 gpmgpm))
K160 (K11.2) Upright K160 (K11.2) Upright @ 380 l/min (100 gpm)@ 380 l/min (100 gpm)
10 sprinklers operated10 sprinklers operated 32 sprinklers operated32 sprinklers operated
#3 - Key Sprinkler Attributes –y pResponse Time Index
SRSR QRQRSRSRQRQR
Response Time Index
K14.0 (K200) QRK14.0 (K200) QR K14.0 (K200) SRK14.0 (K200) SR
Response Time Index
K14.0 (K200) QR K14.0 (K200) QR @ 100 @ 100 gpmgpm (380 L/min)(380 L/min)
K14.0 (K200) SR K14.0 (K200) SR @ 120 @ 120 gpmgpm (450 L/min)(450 L/min)
11 sprinklers operated11 sprinklers operated 17 sprinklers operated17 sprinklers operated(uncontrolled (uncontrolled –– test terminated)test terminated)(( ))
Movement away from Density and Demand Area
cartonedcartoned unexpanded plasticunexpanded plastic
Movement away from Density and Demand Area
cartonedcartoned unexpanded plasticunexpanded plastic
t)t) 30 f
t)30
ft)
m (20
ft
m (20
ft
9 m (3
9 m (3
6 m
6 m
Test 1
Density: 32 l/min/m²Density: 32 l/min/m²2 42 4Aisle width: 2.4 mAisle width: 2.4 m
Test 2
Density:Density: 2424 l/min/m²l/min/m²Density: Density: 2424 l/min/ml/min/mAisle widthAisle width: : 1.2 m1.2 m
Movement away from Density and Demand Area TestingMovement away from Density and Demand Area - Testing
Differences between both tests:Differences between both tests:Test 1 – 25 Sprinklers Test 2 – 1 Sprinkler
•• K160 (K11 2)K160 (K11 2) •• K360 (K25 2)K360 (K25 2)•• K160 (K11.2) K160 (K11.2) •• Upright sprinklerUpright sprinkler•• 68ºC Standard Resp68ºC Standard Resp
•• K360 (K25.2) K360 (K25.2) •• Pendent sprinklerPendent sprinkler•• 68ºC Quick Response68ºC Quick Response
Loss Impact ~ Loss Impact ~ €€1,000,0001,000,000
Loss Impact ~ Loss Impact ~ €€100,000100,000
•• 68 C Standard Resp.68 C Standard Resp.••
•• 68 C Quick Response68 C Quick Response••
, ,, , ,,~ 4.5 m3~ 4.5 m3~ 250 m3~ 250 m3 x 12x 12 x 5x 5
•• Standard Spacing; Standard Spacing; 3m x 3m (10’ x 10’)3m x 3m (10’ x 10’)
•• Extended Coverage; Extended Coverage; 4.2 x 4.2 m (14’ x 14’)4.2 x 4.2 m (14’ x 14’)3m x 3m (10 x 10 )3m x 3m (10 x 10 ) ( )( )
Old vs. New
• Betterprotection
• More cost ff tieffective
• More sustainablesustainable
Data Sheets On line FreeData Sheets On-line - Freewww.fmglobaldatasheets.com
Total 341Total 341Total 341 Total 341 pagespages• Simplify and improve
• Single global installation standard• Single global installation standard• Relax restrictions
VersatilityVersatility
Data Sheet 8 9 & Changes in Protection TablesData Sheet 8-9 & Changes in Protection Tables
• Protection tables based on– Ceiling height (not storage height, broader range goods)
– RTI (standard or quick response)( q p )– Orientation (upright or pendent)– Sprinkler K factor (~ nozzle size)Sprinkler K factor ( nozzle size)– No. heads at minimum pressure e.g. 6 heads @ 1.7 Bar
Manufacturing (D S 3 26 Jan 2011)Manufacturing (D.S. 3-26 – Jan 2011)
• Up to 60% less waterU 40%• Up to 40% less sprinklerssprinklers
OfficesOffices
• FM GlobalFM GlobalWindsor Offices
One thing never changes…One thing never changes…
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Gracias por su atenciónGracias por su atenciónGracias por su atenciónGracias por su atenciónThankThank youyou forfor youryour attentionattention
Brendan MacGrath
FM Global
Brendan MacGrathManager, International Codes & Standards
Madrid, del 23 al 25 de febrero de 2010 / Madrid, 23rd to 25th of February of 2011Madrid, del 23 al 25 de febrero de 2010 / Madrid, 23rd to 25th of February of 2011
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