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HomeMy WebLinkAboutBLD2015-00065 - DESIGN I •d013n30 ulNflL v 03 301430 0 urinO3 NOSN31331 1 1 . SECTION 4—SYSTEM DESIGN C;LOZ Z _ u d I I R-102 Restaurant Fire Suppression Manual UL EX3470 ULC EX3470 PAGE 4-28 REV. 11 2014- -a I f 0 Nozzle Application Chart The following chart has been developed to assist in calculating NOTICE the quantity and type of nozzle required to protect each duct, This chart is for general reference only. See plenum, or appliance. complete details for each type of hazard. ► Minimum Nozzle Maximum Hazard Nozzle Nozzle Nozzle Stamping— Hazard Dimensions Quantity Heights Part No. Flow No. Duct or Transition Length—Unlimited 1 — 439839 1W (Single Nozzle) Perimeter—50 in. (1270 mm) Diameter—16 in. (406 mm) • Duct or Transition Length—Unlimited 1 — 439840 2W (Single Nozzle) Perimeter—100 In. (2540 mm) Diameter-31 7/8 in. (809 mm) Duct or Transition Length—Unlimited 2 — 439840 2W (Dual Nozzle) Perimeter—150 in. (3810 mm) Diameter-48 in. (1219 mm) Electrostatic Precipitator Individual Cell 1 — 439837 1/2N (At Base of Duct) ' Plenum Length—10 ft(3.0 m) 1 -- 439838 1N (Horizontal Protection) Plenum Length—6 ft(1.8 m) 1 — 439839 1W .(Horizontal Protection) Width—4 It(1.2 m) Plenum Length—4 ft(1.2 m) 1 — 439839 1W (Vertical Protection) Width—4 ft(1.2 m) Fryer(Split or Maximum Size Non-Split Vat) (without drip board) 14 in. (355 mm)x • 15 in. (381 mm) 1 13—16 in. 439845 290 Low Proximity (330—406 mm) Fryer(Split or Maximum Size Non-Split Vat) (without drip board) 14 1/2 in. (368 mm)x 14 In.(355 mm) 1 16—27 in. 439845 290 Medium Proximity (406—685 mm) Fryer(Split or Maximum Size Non-Split Vat)" (without drip board) 15 in.(381 mm)x 14 in. (355 mm) High Proximity 1 27—47 in. 439842 230 Medium Proximity 1 20—27 in. 439843 245 Fryer(Non-Split Vat Only) Maximum Size (without drip board) 19 1/2 in, (495 mm)x 19 in.(482 mm) High Proximity 1 21 —34 in. 439841 3N .**,+ Low Proximity 1 13—18 in. 439845 290 .16, Maximum Size (without drip board) 18 in. (457 mm) ` ,e x 18 in. (457 mm) High Proximity 1 25—35 in. 439841 ' 3N (635—889 mm) �.G For multiple nozzle protection 01 single fryers,see detallad Information on Pages 4-10 and 4.11. 4 „ 1 • • SECTION 4-SYSTEM DESIGN R-102 Restaurant Fire Suppression Manual UL EX3470 ULC EX3470 ■ PAGE 4-30 REV. 11 2014-S E P-01 Nozzle Application Chart (Continued) ' Minimum Nozzle Maximum Hazard Nozzle Nozzle Nozzle Stamping— Hazard Dimensions Quantity Heights Part No. Flow No. Range Longest Side(High Proximity) 1 30—40 in. 439838 1N 32 in. (812 mm) (762—1016 mm) Area—384 in.2 (24774 mm2) Longest Side(Low Proximity) 1 15—20 in. 439838 1N 24 in. (609 mm) (381 —508 mm) Area—432 in.2 (27870 mm2) Longest Side 40—48 in. 439836 1F 28 in. (711 mm) (1016—1219 mm) Area—336 in.2 (With Backshelf) (21677 mm2) ' Longest Side 30—40 in. 439844 260 32 In. (812 mm) (762—1016 mm) Area—384 in.2 (With Backshelf) • (24774 mm2) Longest Side(High Proximity) 1 40—50 in. 439843 245 28 in. (711 mm) (1016—1219 mm) Area—672 in.2 (43354 mm2) Longest Side (Medium Proximity) 1 30-40 In. 439844 260 32 in. (812 mm) (762—1016 mm) Area—768 in.2 (49548 mm2) Longest Side(Low Proximity) 2 15—20 In. 439845 290 36 in.{914 mm) (381 —508 mm) Area—1008 in.2 (65032 mm2) Griddle Longest Side(High Proximity) 1 30—50 In. 439844 260 48 In. (1219 mm) (762—1270 mm) Area—1440 in? (perimeter (92903 mm2) located) Longest Side(High Proximity) 1 30—50 In. 439845 290 30 in. (762 mm) (762—1270 mm) Area—720 in.2 (center located) (46451 mm2) Longest Side(High Proximity) 1 35—40 in. 439838/439865 1N/1NSS 36 in.(914 mm) (889—1016 mm) Area—1080 in.2 (perimeter located) (69677 mm2) Longest Side 1 20—30 in. 439845 290 (Medium Proximity) (508—762 mm) 48 in. (1219 mm) (perimeter Area—1440 in.2 located) (92903 mm2) Longest Side(Low Proximity) 1 15—20 in. 439839 1W 26 in.(660 mm) (381 —508 mm) �J / ) Area—533 in.2 (center located) (34387 mm2) r r , , ix II , •.-w.R�r..1_v.IL.a-S-nvc MOJCNIDLr pNIC4r1H AL) The ANSULAUTOMAN Regulated Mechanical Release Assembly R-102 RESTAURANT (3.0 insthlon—.Part No.79290 or 1.5 gallon—Part k,expe91)con pRISUL FIRE SUPPRESSION tains the regulated release mechanism,agent tank,expellant gas NI{1�7 SYSTEM hose for agent tank hookup,and enclosure knockouts to facilitate installing actuation piping;expellant piping;detection system;and ,1 1 additional equipment.This regulated release assembly is used in (Standard UL 300 Listed) single,double,and multiple-tank systems and must be mounted to a rigid surface.The release mechanism can be used to intercon- nect both the actuation and expellant gas lines as required Nozzle identification Chart per system design.The regulator is designed to allow a constant I Nozzle Nozzle Nozzle •actuated.of gas into the tank at 110 psi(759 kPa) when the system Is Nozzle Tyne Part No. Stamcinq Fiow Nc In single, double, and multiple-tank i 1W Nozzle 419338 1W 1 9 p systems,the provided expel 1WSS Nozzle 417333 1 W 1 taut gas hose connects the agent tank to the bottom outlet of the regulator. In double and multiple-tank system configurations, the ; 1N Nozzle 419335 1N 1 back outlet of the regulator is used as an expellant gas feed for 1NSS Nozzle 417332 1N 1 one additional tank-enclosure or tank-bracket hookup.The enclo 1/2N Nozzle 419334 1/2N 1/2 sure contains the required knockouts to facilitate this connection. If a pressure switch is to be attached to the regulator,additional fit- 3N Nozzle 419338 3N 3 tings are required. 2W Nozzle 419337 2W 2 The tank is mounted within the enclosure. The tank contains an 2WH Nozzle 78078 2WH 2 adaptor/tube assembly with a burst disc union. The burst disc helps prevent siphoning of the agent up the pipe due to significant temperature fluctuations in the area where the tank is located.The 230 Nozzle 419339 230 2 •tank is mild steel and,under normal conditions,requires hydrosta- tic testing every twelve years. 245 Nozzle 419340 245 2 The agent tank is shipped uncharged and must be filled with only 260 Nozzle 419341 260 2 ANSULEX Low pH Liquid Fire Suppressant during installation. 1 290 Nozzle 419342 290 2 The detection and additional equipment required per system 2120 Nozzle 419343 2120 2 design are connected to the release mechanism.The enclosure I 1F Nozzle 419333 1F 1 contains knockouts to facilitate detection and additional hookups. • The system can be actuated automatically or manually.Automatic actuation occurs when a fusible link within the detection system separates in a fire condition. Manual actuation of the system occurs when personnel pull on the remote manual pull station pull ring.- Total Tank Type of Nitrogen Carbon Dioxide Fiow No.* Quantity System Type of Hardware Cartridge Required Cartridge Required 1-5 1 Single 1.5 Gal.Reg. Release LT-20-R(7032) 101-10(15850) 6-11 1 Single 3.0 Gal.Reg.Release LT-30-R(5373) 101-20(17492) 12.16 2 Double 1.5 Gal.Reg. Release Double(73022) 101-30(15851) 3.0 Gal.Additional Tank 17-22 2 Double 3.0 Gal.Reg. Release Double(73022) 101-30(15851)" 3.0 Gal.Additional Tank 23-27 3 Multiple 1.5 Gal.Reg.Release LT-20-R(7032) 101.10(15850) 3.0 Gal. Reg.Actuator LT-A-101-30(29187) 101-30(15851)*** 3.0 Gal.Additional Tank ELECTRICAL SWITCHES 11 The electrical switches are intended for use with electric gas'E! KCB AG valves, alarms, contactors, lights, contractor supplied electric TuR1� power shut-off devices and other electrical devices that are Gi MAos((Firm S1ny S opl. designed to shut off or turn on when the system is actuated. - • Switches are available In kits: One Switch Kit, Part No. 423878;4'? SUP�L( {f� SHUTS Two Switch Kit, Part No. 423879, Three Switch tit, Part No..i POWerR. (NM 5) uN c- AIOA SHUT-OFF- 423880,and Four Switch Kit,Part No.423881.Each switch has a''• set of single-pole, double-throw contacts rated at 21 amp, 1 HP, 125,250,277 VAC or 2 HP,250,277 VAC.Mounting hardware is provided with each kit. Li.. EXTINGUISHING AGENT O COMMON �/ NC- ANSULEX Low pH Liquid Fire Suppressant(1.5 gallon-Part No.# ' ,� e.-..- 79694 or 3.0 gallon-Part No.79372)is a potassium-based solu- Lion designed for fast knock-down and suppression of grease-�f � ( o p related fires.The agent is shipped in plastic containers which pro- vide one complete tank charge.Agent storage life expectancy is wool twelve years.The distributor must record the batch numbers and lim..- date of shipment receipt to be filed with each installation record. "ANSULBX"I r14V 441 1(1111(1 Goo C.,nm,-nn...- • • , Iii 0 f 1 §a t # a .pk' tt flJIIh ' ! I!1 yIIs ys9 I5 iilk i8 99 4 �F ��tyj� ��$ Wei.. I I ep g g� hie # gg83 �0000 g 4aa:a t 1 tz11 . —r-1-3101 J A _r__ � � ess —1 114 7 r �°�a$I� � I ns a `�� .4 rZi •e • I r . 1 1 1 I i s J- fa Po aln li mil® 110 - 1 I ,11 t eh / fill i iL Iii>1 it .x i�e i' a_- ` 3- i y 21$11 BIB ,iS b 'e rç 7's�C'___ ' . p3 6'r/ , A� a Aid r(! Qgq h°6 1:Iii Pe.a! 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OF TQ6 1z @Y"° F3q� �o �z „ v s1ffy Ci @aa ao f o . -- �. •• ..•., � d{df• J1 ' 1` x a fit M.. OE.. pia e �. ',.,°e _ _�I—••—__ ^ . X11 0 z §i ii II i O l ` @@ 51 , 11 it es r` ; �l�Ir giblizef °a .g� o R I� 4 - ill; Milli g3 s lip ' a d ' . 4. i:;.F.1i z.1 �„,11+15 ! -*i 1111191!:01,11 1 bilbI41i;Eik, 1, n dil II _ ifirIlliiiiiIIII` o r ,w1--r '1 � - - �� ±---1 1 0.8 'H Mil .:::::_t- i i�e0i Yg Yri .e NIB O I 6.1,crol. a � g8 1118 II _t—.i 1 er vi I■ ' a I e ;AO n I t 1/19 6 1 i:1 E 99 hvt Z- - , / ago ®, • • 8,, ..IY C ' .. :'kr i I1i _ i Ili.J 0 G HE I U. • SECTION IV — SYSTEM DESIGN UL EX.3470 ULC CEx747 ' Page 4-28 REV.5 4-1-06 Nozzle Application Chart' The following chart has been developed to assist in calculating the quantity and type of nozzle'required to protect each duct,plenum, or appliance. NOTICE This chart;is for general reference only. See complete details for each type of hazard. Minimum Nozzle Tip Maximum Hazard Nozzle Nozzle Stamping Hazard Nozzle F . — Dimensions Quantity Heights Part No, Flow No. • Duct or Transition Length—Unlimited 1 430912 1W (Single Nozzle) Perimeter—50 in.(127 cm) Diameter—16 in.(40.6 cm) Duct or Transition Length—Unlimited 1 — 419337 2W (Single Nozzle) Perimeter— 100 in.(254 cm) Diameter—31 7/8 in.(81 cm) Duct or Transition Length—Unlimited 2 — 419337 2W (Dual Nozzle) Perimeter— 150 in.(381 cm) Diameter—48 In.(122 cm) Electrostatic Precipitator " Individual Cell 1 — 419334 1/2N (At Base of Duct) Plenum Length—10 ft.(3.1 m) 1 — 419335 1N (Horizontal Protection) ' •Plenum 11 Length—6 ft.(1.8 m) 1 — 430192 1W (Horizontal Protection) ■ Width-4 ft.(1.2 m) 1 - 419336 1W Plenum Length—4 ft.(1.2 m) 1 — 419336 1W (Vertical Protection) Width—4 ft.(1.2 m) •Fryer(Split or Maximum Size Non-Split Vat) (without drip board) 14 in.(36 cm)x • 15 in.(38 cm) 1 13—16 in. 419342 290 Low Proximity (33 41 cm) Fryer(Split or Maximum Size Non-Split Vat) (without drip board) 14 1/2 In.(37 cm)x 14 In.(36 cm) 1 16—27 in. 419342 290 Medium Proximity (41 —69 cm) Fryer(Split or Maximum Size Non-Split Vat)* ' (without drip board) 15 in.(38 cm) x 14 in.(36 cm) High Proximity 1 27—47 In. 419339 230 Medium Proximity 1 20—27 in. 419340 245 Fryer(Non-Split Vat Only) Maximum Size (without drip board) 19i1/2 in.(49.5 cm)x 19 in.(48.2 cm) High Proximity 1 21 —34 in. 419338 3N Low Proximity 1 13— 16 In. 419342 290 Maximum Size (without drip board) 18 in.(45.7 cm) x 18 in. (45.7 cm) High Proximity 1 25—35 in. 419338 3N (64-89 cm) . For multiple nozzle protection of single fryers,see detailed Information on Pages 4-12 through 4-14. • • SECTION IV — SYSTEM DESIGN UL EX.3470 ULC CEx747 Page 4-29 4-1-06 REV.5 ' Nozzle Application Chart (Continued) Minimum Nozzle Ti Maximum Hazard Nozzle Nozzle Nozzle Tip Hazard Dimensions Quantity Heights Part No. Flow No.o Stamping— Flow Fryer(Non-Split Maximum Size Vat Only)' (with drip board) 21 in.(53 cm)x 14 in.(36 cm) (Fry Pot must not exceed 15 in.x 14 in. (38 cm x 36 cm)) High Proximity 1 27—47 in. 419339 230 Medium Proximity 1 20—27 in. 419340 245 Maximum Size (with drip board) 25 3/8 in.(64.4 cm) x 19 1/2 in.(49.5 cm) • :'(Fry pot side must not • exceed 19 1/2 in. (49.5 cm)x 19 in. (48.2 cm) High Proximity 1 21 —34 in. 419338 3N Low Proximity 1 13—16 in. 419342 290 Maximum Size (with drip board) 18 in.(45.7 cm) x 27 3/4 in.(70.5 cm) High Proximity 1 25—35 in. 419338 3N (64-89 cm) ■Fryer(Split or ; Size Non-Split Vat) (with drip board) 14 in.(36 cm)x 21 in.(53 cm) 1 13—16 in. 419342 290 Low Proximity (33—41 cm) Fryer(Split or Maximum Size Non-Split Vat) ;;(with drip board) 14 1/2 in.(37 cm)x 26 1/2 in.(67 cm) 1 16—27 in. 419342 290 Medium Proximity (41 —69.cm) Range Longest Side 1 30—40 in. 419335 1N 32 in.(81 cm) (76—102 cm) Area—384 sq.in. (2477 sq.cm) Longest Side 40—48 in. 419333 1F 28 in.(71 cm) (102—122 cm) 'Area—336 sq.in. (With Backshelf) (2168 sq.cm) I Longest Side(High Proximity) 1 40—50 in. 419340 245 28 in.(71 cm) (102— 127 cm), Area—672 sq.in. (4335 sq.cm) Longest Side (Medium Proximity) 1 30—40 in. 419341 260 32 in.(81 cm) (76—102 cm) Area—768 sq.in. (4955 sq.cm) Longest Side (Low Proximity) 2 15—'20 in. 419342 290 36 in.(91 cm) (38—51 cm) Area—1008 sq.in. (6503 sq.cm) ' For multiple nozzle protection of single fryers,see detailed Information on Pages 4-7 through 4.11. SECTION IV — SYSTEM1I'JESIGN UL EX.3470 IJLC CE747 Page 4-30 REV.3 10-1-02 Nozzle Application Chart (Continued) Minimum Nozzle Tip Maximum Hazard Nozzle Nozzle Nozzle Stamping— Hazard Dimen g sions Quantity Heights Part No FIoN,No Griddle Longest Side(High Proximity) 1 30—50 in 419341 I 2601 48 In.(122 cm) (76- 127 cm) Area-1440 sq.in (perimeter (9290 sq.cm) located) Longest Side(High Proximity) 1 30—50 in. 419342 290 30 irl.(76 cm) (76—127 cm) Area—720 sq.in (center located) (4645 sq.cm). Longest Side(High Proximity) 1 35—40 in: 419335/417332 I 1 N/TI NSS 36 in.(91 cm) (89-102 cm) Area—1080 sq. in. (perimeter located) (6968 sq.cm) Longest Side 1 20—30 in 419342 290' (Medium Proximity) (51 —76 cm) 48 in.(122.cm)( (perimeter Area-1440 sq.in located) (9290 sq.Cm) Longe1st Side (Low Proximity) 1 10—20 in. 419343 2120 48 in.(122 cm) (25.—51 cm) Area—1440 sq.in. (perimeter (9290 sq.cm) located) Chain Broiler* Longest Side—34 in (86 cm) 2 10—26 in 419336/417333 1 W/1 WSS (Overhead Protection) Area—1088 sq.in (25—66 cm) (7019 sq.cm) 1 Chain Broiler Length—43 in (109 cm) 2 1 —3 in 419335/417332 1N/1 NSS' (Horizontal Protection) Widthl—31 in (79 cm) (3—8 cm) 43as-Radiant Char-Broiler Longest Side—36 In (91 cm) 1 15-40 in 419335/417332 1N/I NSS Area—864 sq.in (38-102 cm) (5574 sq.cm) Electric Char-Broiler Longest Side-34 in (86 cm) 1 20—50 in. 419335/417332 11V1 NSS Area—680 sq.in (51 —127 cm) (4388 sq.cm) Lava-Rock Broiler Longest Side-24 in (61 cm) 1 18-35 in 419335/417332 1 N,I NSS Area-312 sq.in. (46—89 cm) (2013 sq.cm) Natural;Charcoal t;3roiler Longest Side-24 in (61 cm) 1 18—40 in 419335/417332 1N/I NSS Area—288 sq.in. (46—102 cm) (1858 sq.cm) Lava-Rock or Natural Longest Side—30 in (76 cm) 1 14—40 in. 419338 3N Charcoal Char-Broiler Area—720 sq.in (36—102 cm) (4645 sq.cm) Minimum chain broiler exhaust opening—12 in x 12 in.(31 cm x 31 cm),and not less than 60%of internal broiler size. IIheANSULAUTOMANRegulated Mechanic ease Assembly 102 RESTAURANT (3.0 gti lion-Fart No. 79290 or 1.5 allon— tains the regulated release mechanism , agent tank, expellant gas ANSU RE SUPPRESSION hose for agent tank hookup, and enclosure knockouts to facilitate d installing actuation piping;expellant piping;detection system; and SYSTEM addifionaf equipment. This regulated release assembly Is used in single,double,and multiple-tank systems and must be mounted to (Standard UL 300 Listed) a rigid surface. The release mechanism can be used to intercon- nect both the actuation and expellant gas lines as required per system design. The regulator is designed to allow a constant Nozzle Identification Chart flow of gas into the tank at 110 psi (759 kPa) when the system Is Nozzle Nozzle Nozzle actuated. Nozzle Type Part No, Stamping Flow Nc In single, double, and multiple-tank systems, the provided expel- 1 W Nozzle 419336 1W 1 .ant gas hose connects the agent tank to the bottom outlet of the regulator. In double and multiple-tank system configurations, the ! 1WSS Nozzle 417333 1W 1 back outlet of the regulator is used as an expellant gas feed for 1N Nozzle 419335 1N 1 one additional tank-enclosure or tank-bracket hookup.The enclo- NSS Nozzle 417332 1N 1 sure contains the required knockouts to facilitate this connection. If a pressure Switch is to be attached to the regulator,additional fit- 112N Nozzle 419334 1/2N 1/2 tings are required. 3N Nozzle 419338 3N 3 The tank is mounted within the enclosure. The tank contains an 2W Nozzle 419337 2W 2 adaptor/tube assembly with a burst disc union. The burst disc 2WH Nozzle 78078 2WH 2 helps prevent siphoning of the agent up the pipe due to significant temperature fluctuations in the area where the tank is located.The tank is mild steel and,under normal conditions,requires hydrosta- 230 Nozzle 419339 230 2 tic testing every twelve years. 245 Nozzle 419340 245 2 260 Nozzle 419341 260 2 The agent tank is shipped uncharged and must be filled with only ANSULEX Low pH Liquid Fire Suppressant during installation. The detection and additional equipment required per system 290 Nozzle 419342 290 2 design are connected to the release mechanism. The enclosure 2120 Nozzle 419343 2120 2 contains knockouts to facilitate detection and additional hookups. iF Nozzle 419333 1F 1 • The system can be actuated automatically or manually.Automatic actuation occurs when a fusible link within the detection system separates In a fire condition. Manual actuation of the system • occurs when personnel pull on the remote manual pull station )ull ring: Total Tank Type of Bow N .• ti Nitrogen Carbon Dioxide = TVpe of Hardware Cartridge Required Cartridge inyired 1-5 1 Single 1.5 Gal. Reg.9 LT-20-R (7032) 101-10 (15850) 6-11 1 Single 3.0 Gal. Reg.9 LT-30-R(5373) 101-20(17492) 12-16 2 Double 1.5 Gal. Reg. Release Double 73022 3.0 Gal.Additional Tank Double (73022) 101-30(15851) 17-22 2 Double 3.0 Gal. Reg. Release Double 73022 3.0 Gal.Additional Tank Double(73022) 101-30(15851)** 23-27 3 Multiple 1.5 Gal. Reg. Release LT-20-R 7032 3.0 Gal. Reg.Actuator LT-A-101-30 (29187) 101-30(158511)"" 3.0 Gal.Additional Tank ELECTRICAL SWITCHES The electrical switches are intended for use with electric gas. ,1 alarms, contactors, lights, contractor supplied electric t^'t(C�N f1C7Vi} ); power shut-off devices and other electrical devices that awl CXNAUSr FfrN Snl d I esigned to shut off or turn on when the'system is actuated. y S Onl Switches are available in kits: One Switch Kit, Part No. 423878, gVPtL( AIR S1iUT$ OFF Two Switch Kit, Part No. 423879, Three Switch Kit, Part No:!? FOWCrft. Co�5) UNx'R-W 2) Sµ11rOFF 423880,and Four Switch Kit, Part No.423881. Each switch has a set of single-pole, double-throw contact§ rated at 21 amp, 1 HP, 125, 250,277 VAC or 2 HP,250, 277 VAC. Mounting hardware is provided with each kit. EXTINGUISHING AGENT •COMMON ' // N.C. ANSULEX Low pH Liquid Fire Suppressant(1.5 gallon—Part No. ` 79694 or 3.0 gallon—Part No.79372)is a potassium-based solu- tion designed for fast knock-down and suppression of grease- d related fires.The agent Is shipped In plastic containers which pro- N.O. vide one complete tank charge.Agent storage life expectancy is twelve years. The distributor must record the batch numbers and 1 date of shipment receipt to be filed with each installation rF•nrd • ,� mss; — - - — r- - 1 ��,. — — — L e ' ------- ---- G n ��2 �A ,JIM z, �?` 8 I v j 3 7 l I7 b� s e 4 _ )j01! c) ilk 1 4 4 4 4 - __T le, In = Q P4 5 f01 Door I E � �Q —Q J�u A = f € a I r I as s- a . tl J I ty y el 1•, I ( ) I tl r -1>E. 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