EN12845 - ΣΥΝΤΟΜΗ ΠΑΡΟΥΣΙΑΣΗ
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Transcript of EN12845 - ΣΥΝΤΟΜΗ ΠΑΡΟΥΣΙΑΣΗ
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ASHRAE , 09 2012
12845
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21.
vs
, , .
1872 .
, (NFPA, FM) (International) , , .
Sprinkler 1806.
200 , , 12845 , BS5306-part2 (Code of practice for fire extinguishing installations and equipment in premises)
..
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2
1806. John Carey .
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2. .
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41812. Royal Theatre , Drury Lane, London. H . .
1864. Stewart Harrison 1 sprinkler. .
1872. Phillip W. Prat Harrison .
1874. Henry S. Parmalaee Prat sprinklers.
1835. Factory Mutual (FM)
1881. Parmalaee .. .
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51885. John Wormald 1 & sprinklers Mutual Fire Insurance Corporation of Manchester.
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61895. National Fire Protection Association(N.F.P.A)
1890. Frederick Grinnell & sprinkler , .
1940. NFPA13 . : (LH,OH,EH)
1896. 1 NFPA13
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71953. CEA(Comit Europen de Assurances)
1979. BS5306-part2 Code of practice for fire extinguishinginstallations and equipment in premises)
1981. (.) . 7 NFPA13 & NFPA 14 1972.
1986. .. .... 2451/86 . BS5603 CEA .
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82009. CEA CEA 4001 (Sprinkler Systems-Planning & Installations)
2004. 12845( , & ).
1990. CEN (Comit Europen de Normalisation) - sprinklers
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1980-1990 & (APSAD-, LPC-, VdS-), 1980 .
2009. 1 &2 12845 + 2
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93.
3/81 (.) & (sprinklers)
2451/86 :
12259 .
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All components shall beApproved & CE marked
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NFPA 13 standard for the installation of AS NFPA 13R installation of AS in residential occupancies NFPA 14 standpipes & hose systems NFPA 20 fire pumps NFPA 22 water tanks NFPA 24 private fire service mains
FM DS2-0 installation guidelines for AS FM DS8-1 commodity classification FM DS8-9 storage of class 1,2,3,4&plastic
12845 AS-, & 671 . 12259 E S 2451/86
CEA 4001 AS planning & installation
4. &
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5. 12845 -
&
(water spray) (deluge)
sprinklers 12259-1
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d 3/8 1/2 3/4K 57 80 115
( ) (ESFR, Large drop, Extended coverage )
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6. 12845 &
&
&
Sprinkler
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7. (Hazard Classification of Occupancies)
(LH)
(H)
1,2,3,4
(HHP) 1,2,3,4
(HHS) I,II,III,IV
Annex A Annex A Annex AAnnex C
Annex
Annex G (Aerosols - -
.) 12845 - .
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Annex A (LH,OH,HHP)
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Annex B,C,G ( HHS)
Annex B
(%)
&
Annex C
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8.
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- Wet pipe systems
Dry pipe systems
& Alternate systems
Pre-action systems
> 70 C
(loop) (grid)
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&
10.000 m2 (LH) 12000 m2 (OH) 9000 m2 (HH) ,
, ( ) < 60 sec
, = 45 m
45m
45m
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(lpm/m2)
WET- (m2)
DRY- (m2)
(m2)
LH 2.25 84 OH1 21
OH-1
5.0
72 90
12OH-2 144 180
OH-3 216 270
OH-4 360 HHP-1
HHP-1 7.5 260 325
9HHP-2 10.0 260 325
HHP-3 12.5 260 325
HHP-4 (deluge) -
, : 3 50m2
2,4m 4 HHS
3
ST1 ST2, 3, 4, 5 & 6
4,0 m 3,5 m
3,0m 2,6m
II 2,1m 1,7m
V 1,2m 1,2m
S in-rack sprinklers
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: DENSITY OVER DEMAND AREA
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& ( )
(m2)ST1 ST2 & ST4ST3, ST5 &
ST6
7,6m 6,8m 5,7m
260 m2 12,5 Lpm/m2 12,5 Lpm/m2 10 Lpm/m2
7,5m 6,0m 5,0m
260 m2 17,5 Lpm/m2 17,5 Lpm/m2 12,5 Lpm/m2
II7,2m 6,0m 3,2m
260 - 300 m2 27,5 Lpm/m2 30 Lpm/m2 12,5 Lpm/m2
V4,4m 4,4m 3,0m
260 - 300 m2 30 Lpm/m2 30 Lpm/m2 17,5 Lpm/m2
ST1 ST4
ST2 ST3 ST5 & ST6
(Aisle)
2-
= f( & ) = 260 300 m2 ( & )
q = 7.5 30 lpm/m2 ( & )
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(. ESFR) in-rack sprinklers
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w : (Aisle width)
in-rack sprinklers = f( & ) , min.DN100 > 50
p=2,0 bar
q=113.2 lpm ( 1/2)
: 3, w 2.4 m6, 2.4< w 1.2 m9, w < 1.2 m
w
in-rack sprinklers , :
Smax2,8m
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CEA 4001
sprinklers 12259-1
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(Lpm / bar 0.5)
2 , (S) 13,5 m , in-rack sprinklers, CMSA (Control Mode Specific Application) , :
3/4 ESFR , 200 & 240 375 460 Lpm
1 ESFR , 320 & 360 430 600 Lpm
Q = KP
1 FM DS8-9 sprinkler 160
NFPA13 q > 13.9 lpm/m2
CEA 4001
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Required Delivery Density
Actual Delivery Density
, t(0), ,
0 Lim
CMSA (Control Mode Specific Application) - NFPA 13 & FM DS 8-9
RTI
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Response Time Index RTI 50 (Fast) - RTI 80 (standard)
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FM
45 ft 13.5 mSprinklers ESFR 25, K=360 @ 3.5bar, = 675 Lpm , , ( )
2 2 min.
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- (Pre-calculated systems)
2
1
3Design point
S Sprinkler
4Most unfavorable Design area
(Fully calculated systems)
1-4 (unfavorable design area) 1-5 (favorable design area)
5Most favorable Design area
6Design point
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1-2 2-3
pmax.3-4 (design area)
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1 Qmax Qnom. (Most unfavorable area). H Qmax (Most favorable area).
3 Qnom
6 Qmax
UnfavourableArea
favourableArea
Vmin = Qmax * T
T = 30min. LH 60min. OH90min. HH
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2 Sprinkler. NFPA13, (.-hoses, -hydrants). , , sprinklers.
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, (, ) ( LH & OH1)
booster
& ( 1)
& ( 1)
( LH&OH1)
2-
& ( 2)
& ( 2)
2
1 & 1
1
&
(Sprinklers & ., )
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60 min. sprinklers 4 C
&
O
2 : 1 & 1 Qp = 100% Qr
3 : 1 & 2 Qp 50% Qr
Jockey : Qp < 1 sprinkler
O
+1 , 1
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60min
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2451 & 12845
pipe schedule
NFPA 13
BEST SELLER
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Density Over Demand Area
Q = KP P = (Q/K)2
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1. (m2)
4. sprinklers N (.)
3. Q=A*d (Lpm)
6. 4 (4s) (m2)
7. dm d(4s)=Q(4s) / (4s) d (Lpm/m2)
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Pmin , sprinkler
p min bar
K q min lpm
LH 0,70 57 48,0
OH 0,35 80 48,0
HH 0,5080 57,0
115 82,0
2. d (Lpm/m2)
5. sprinklers=Q / N (m2)
8. sprinklerqs=As * dm q min (lpm)
qs=KPmin
S1
S2
K=80
qs1=12m2**5Lpm/m2=60 lpm
Ps1 = (Qs/K)2 = 0.57 bar
DN 25, C=120
L=3m , 1 90o, 1
Leq=5.27m
P1-2 = 0.09 bar
Ps2=Ps1+P1-2
=0.57+0.11=0.66 bar
qs2=KP2 = 65 lpm
Q=60+65=125 Lpm
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A
3340 lpm
2320 lpmB
QA=288 LpmPA=1.3 bar
b=QA/PA = 253
PB=PA+PA-B = 1.6 bar QB=KbPB=2531.6=320 lpm
P=P+P- = 1.8 bar Q=KbP=2531.8=340 lpm
Qt=288+320+340=948 lpm
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60 Lpm65 Lpm78 Lpm85 Lpm
QB=320 Lpm
Q=340 Lpm
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- LH, OH
- 140% 70%
Qnom / Pmax & Qmax / Pmin . 0,5 bar
, 2 :Qnom PnomQmax Pmin
Figure 7
Table 16
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EPANET 2.0
public domain software that may be freely copied and distributed.
www.epa.gov
Software That Models the Hydraulic and Water Quality Behavior of Water Distribution Piping Systems
9. &
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Q6910
=80
105,3mmC=120
L=6m
h=10m
16
sp3
P
cv
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sprinkler
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. .. [email protected]
26 2451/86 , .
12845 , .