3625 BROADWAY SONIS KITCHEN 2025-01-03

SECTION 4-SYSTEM DESIGN R.102 Restaurant Fire Suppression Manual R-7o2 Restaurant Fire Suppression Manual SECTION 4-SYSTEM DESIGN UL EX3470 ULC EX3470 UL EX3470 ULC EX3470 PAGE 4-16 REV.11 2014SEP-01 2014-SEP-01 REV.11 PAGE 4.17 Range Protection 1N 0-Flow)Nozzle-Low Proximity Range Protection Two 290(2-Flow)Nozzles-Low Range Protection(With or Without Back SheiflObstruction) Range Protection 260(2-Flow)Nozzle(With or Without Application Proximity Application Back Shelf/Obstruction) When this type of hazard is equipped wilh a back shelf or other 15 in.to 20 In.(381 mm to 500 in)above the cooking surface. 151n,to 20 In,(381 mm to 508 mm)above IITe cooking surface. similarly sized obstruction located above the range tap,two Single and multiple burner ranges can be protected using a 260 The low proximity 1-flow nozzle application for the protection of The low proximily 2-flow application)requires the use of two 290 protection options are available:One requires a IF nozzle and nozzle. The nozzle Is stamped with 260 indicating that 1l is a ranges requires Ute IN nozzle. nozzles. the other option requires a 260 nozzle. two-flow nozzle and must be counted as two flow numbers. The nozzle is stamped with 1N indicating that it is a one-flow Both nozzles are stamped Wilts 290 indicating they are two flow Range Protection IF(1-Flow)Nozzle(With or Without Back When using the 2fi0 nozzle for range protection with or without nozzle and must be counted as one flow number, nozzles and must he counted together for a total of four now ShelflObstniction) back shelf or other similarly sized obstruction, life maximum When using the 1 N nozzle for low roArni range protection numbers. length of burner grates being protected must not exceed 32 fit. p tY Single and multiple burner ranges can be protected using a (812 mm)and the maximum area of the burner grates must with or without obstruction,the maximum length of the burner Two 290 nozzles will protect a cooking area of 1008 in-2 .1 F nozzle.The nozzle is stamped with IF indicating that it is a not exceed 384 in?(24774 mm2).Nozzle must be located on grates being protected must not be exceed 24 in.(609 mm) (65032 mm2)with a maximum dimension of 36 in.(914 mm). one-flow nozzle and must be counted as one flow number. the front edge of the burner grates and aimed at a point 10 in. length,aimed along a centerline to a paint 20 in.(508 mrrl)from When using Iwo of these nozzles for low proxinnily range protec- 254 men from the back edge of the burner rates.Nozzle must the and of the length,protecting a maximum width of 18 in.(457 non,the nozzles must be positioned along the cooking surface When using the 1 il nozzle for range protection with or without back ( ) 9 shell or oilier similarly sized obstruction,the maximum length of be mounted 30 to 40 in.(762 to 1016 min)above the hazard that). perimeter to 1.5 in.(36 mm)inside the perimeter,and aimed at the burner grates being protected must not exceed 28 in.(711 surface.See Figure 4-38,. When protecting a range, ilia 1N nozzle must be located a a 45'angle along the longitudinal centerline Of the range.See mm)and the maximum area of the burner grates must not exceed maximum of 8 In.(228 mm)from each burner grate centerline Figures 4.35 and 4.36. 336 in.z(21677 mm2).See Figure 4-37 for nozzle location details, xs6 No22Ls and trust be positioned above the edge of the hazard area to be SHELF OR OTHER OVERT MNIG HU proledad 2n6 NOZZLE TIP IFAIDzzLE OBSTRUCTION CAN OVERHANG BNRNER(S) LOCATION 0-1 s llQ. SHELF OR OTHER SIMILARLY SIZED BY A MA%INCH OF tl W.(2T9�:m) (0-30 mnI OBSTRUCTION GAN OVERHANG BURNER(S) The 1N nozzle tip must be positioned at or below the obstrun, y� W FRCM EDGE OF + BY A MAXIMUM OF 11 IN,(270m 4 I • cor( c SURFACE tion,U press The protected area begins at the point straight AS- I I( euN.nl. down from the nozzle lip.The nozzle can be placed at the side I I I t I (MINIMUM :a of the range aimed either heft or tight,a can be placed in the I I _ 16-ro P). I1 15 W.TO 20 IN. I MM ISM. p82.1616mm front or back of the range.See Figures 4-33 and 4-34 for nozzle T5 IN.To w IN. ! (�mm) -. (38110 50B nun) 11 I t (30110 8DB mm) �0.48 IN. I POINT MINIMUM location details. MAxN u�i I I MA%NUM nUIB•Me I li II rOI BACK O O Q O O O 0 Fn UR) \ 14 N- BURNER ( mN4 GRATES r` 12 W. 34 IN. MAXIMUM 1 FIGURE 4-35 R64 mnj 1355 mm) FIGURE 4-38 I F FRONTTOREAA MAXIMUM — I I COCN(Po LON3NUOWAL MAXIMUM CENTERLINE M-YO N. I F AIM ARCCGITERLINE QIN-5IBmA4 ` I F'owr 3F NOZ2LE LOCATED OVER FRONT EDGE OF BURNER GWE AND ORIENTED 4J SO NOZZLE TIP FLITS ARE PARALLEL WITH BURNER GRATE FRONT TO REAR �IBmIN'1�--I F CENTERLINE AND SHAD.RE AHED AT THE CENTER OF THE COOKING SURFACE. 1 FIGURE 4-37 O O Q O fAOKWe �• AMA FIGURE 4-33 PROTECTED AREA 259 ND2r cTL° LOCATION CENTER OF Y COOKING SURFACE r 2m NOZ2LE TIP LOCATION 2 IN.(56 mm) (IN. 0-1.5 IN(36 mm)IN FROM ELSE OF COOKING SURFACE lfl1N (p7mn1 GOONINO_r—AREA 4 COOKING AAREA FM POINT --�--t 1 90IN 24 IN (600 nvn) FIGURE 4-34 296 NOBLE TIP LOGAHON CENTER COOKING SURFACE 2NNOZZLETIPLMATeN xFIN 00—) 0-1.5 N.(38 mm)IN FROM EDGE Or COCKING SURFACE FIGURE 4-36