3625 BROADWAY SONIS KITCHEN 2025-01-03

SECTION 4-SYSTEM DESIGN R.102 Restaurant Fire Soplw'eWlart Manuel R.702 Restaurant Fire Suppression Manual SECTION 4-SYSTEM DESIGN VL EX3470 ULC EX3470 UL EX3470 ULC EX3470 PAGE 4-2 REV.11 2014SEP-W - - 2014-SEP-01 REV.11 PAGE 4.3 Duct Protection-Multiple Nozzle Head over from the 8.0 In.(203 mm)Fine on the table to the Duct Protection-Multiple Nozzle(Continued) When working with Chart 4-2,one half of the quantity of nozzles 1 W Module column.At that point,the chart shows that the"Y' determined must be equally positioned in the top hall of the DUCT SIZES UP TO 135 IN.(3429 mm)PERIMETER- module length for the 1W nozzle can be 22.0 in.(558 mm). DUCT SIZES GREATER THAN 100 IN.(2540 mm) area of the duct and the remaining halt of the nozzles must be THREE FLOW OPTION Center the 1W nozzle in that module,The 2W module can now PERIMETER positioned in the bottom half of the duct area. be centered within the remaining module. Example:The duct to be protected has a Side'A"of 40 in. One I W nozzle and one 2W nozzle=three flow numbers Ducts over 1001n.(2540 mm)perimeter may be modularized p • 135 in.(3429 mm)perimeter maximum using 2W nozzles (1076 mm)and a Side"B"of 60 in.(1524 mm).Referring to the •No round duct option available design chart,this duct requires four nozzles.One half of 4=2. •No round duct option available Therefore,two nozzles must be equally positioned in each of the Follow design table In Figure 4.2 10 determine maximran Follow the design chart to determine maximum module size two duct areas.See Figure 4-3. module size for each nozzle for each 2W nuzzle sloe^s^ 1 W Module 2W Module •'When detomrining number of nozzles required,fl is sometimes 301N,(762..) 30 IN.I-mml Side A Side B Side B Side B an advantage to check the chart using the shortest side as Maximum Maximum Maximum Maximum Side'A"and then recheck it using the longest side as Side 20IN, ` t In. (mMj in mm in. mm w. (mrn) "A."This comparison may reveal a need for a lesser quantity rsnJ loot of nozzles one way versus the other way. 4 (101) 60.0 (1524) 23.0(584) 37.0 (939) n^ t 'i 5 (121) 80.0 (1524) 23.0(584) 37.0 (939) When working with Chart 4-1,the quantity of nozzles deter- zolN. . • 6 (151) 69.5 (1511) 22.5(571) 37.0 (939) mined must he equally divided within the duct area. Is20 IN. 7 (177) 59.0 (1498) 22.0(568) 37.0 (939) 8 1203) 58.5 (1485) 22.0(558) 36.5 (927) - - �� WIN. 9 (228) 58.0 (1473) 21.5(546) 36.5 (927) CHART 4-T - psz4 mm7 FIGURE 4-3 10 (254) 57.0 (1447) 21.0(533) 36.0 (914) a 11 (279) 56.0 (1422) 20.5(5P0) 35.5 (901) A • • • SIDE a om 12 (304) 55.5 (1409) 20.0(5W) 35.5 (901) 13 (330) 54.5 (1384) 19.5(495) 35.0 (889) )S M 11 ID}9 m JI J3 83 a JS 35 31>8 13 41 4r el b}M a4 69 M 67£e e m m N 63 el 65 69 91 66 m JO]1]}:< 14 (355) 53.5 (1358) 18.5(469) 35.0 (889) 15 (381) 520 (1320) 18.0(467) 34.0 (863) m. �c 16 (406) 51.0 (1295) 17.0(431) 34.0 (863) w n IN Jn IN >o Iu 3s uJ 14o ut to u>I Iu a Ie1 rm i Iaa m Jm m n na i9J 191 4e 17 (431) 49.5 (1257) 16.0(406) 33.5 (850) a 18 (47 47.5 (1206) 14.5(368) 330 (838) 0 19 (482) 46.0 (1166) 13.5(342) 32.5 (825) J 20 (508) 43.5 (1104) 12.0(304) 31.7 (805) u 21 (533) 41.0 (1041) 10.0(254) 31.0 (787) 1 22 (558) 38.0 (9&) 7.5 (190) 30.5 (774) 15 •4•IDIosa1323 (584) 33.5 (80) 4.0 (101) 29.5 (749) SIDE 17 2 .V to 43 19 m u 94 }D el 23 $ ]J rm 14 m 19 m 26 �J m Side A O ® v _ 3 m 1W 2W rn m n JI J3 er FIGURE 4-2at u et jExample: Protection is required for a duct that has an'A" x s e T s dimension of 8 in.(203 mm)wide and a•'B•dimension of 55 in. CHART 4.2 (1397 mm)long. e Referring to the table In figure 2, If the 'A' dimension is a �` NOTE:NOZZLE QUANTITIES LISTED IN CHART 4-2 MUST eE EOUALLY DIVIDED MTO EACH OF THE TWO MCI MODULES. 8 In. (203 mm), Die 'B" dimension must not exceed 58.5 In,(1485 mm). In this exawft,the'B"dimension is 55 in. 9 (1397 mm),therefore,this duct can be protected with a three 3e n ss flow application. 4u 2 4 IN Iw 42 a of V t09 N 133 u 14 i g 117 41 mse9 4 n1