3625 BROADWAY SONIS KITCHEN 2025-01-03

SECTION 4-SYSTEM DESIGN R-702 Restaurant Fire Suppression Manual R-102 Res(auram Fire Suppression Manual SECTION 4-SYSTEM DESIGN UL EX3470 ULC EX3470 UL EX3470 ULC EX3470 PAGE 4.6 REV.11 2014-SEP-01 2014-SEP-01 REV,11 PAGE 4-7 Plenum Protection(Continuer!) For a plenum,either single or'V"bank,with a linear extension HORIZONTAL PROTECTION-OPTION 2 longer than 10 It(3;0 m),each bank may be protected using one Appliance Protection . m)or less depending on the overall The following pages detail types of appliance protection.Each IN nozzle every 10 it(3.0 1 W NOZZLE-'V"BANK PROTECTION length of the plenum.See Figure 4.12.The nozzles may point design requires several factors:correct nozzle choice,correct One 1 W nozzle win protect 6 linear feet(1.8 m)of"v bank In the opposite directions as long as the entire plenum area is nozzle height above hazard,correct nozzle location and correct plenum.The nozzle must be mounted horizontally,positioned 1 t3 ,protected,and the 10 it(3.0 m)frmitalion is not exceeded.See aiming point. the filter height doom from the top of the filler.Nozzles can be Figure 4-13.The nozzle positioning shown in Figure 4.14 is not located at 6 it(1.8 m)spacings on longer plenums.The nozzle an acceptable method of protection berause the plenum area Fryer-Single Nozzle Protection must be positioned 0-6 in.pi lit mm)horn the end of the hood to directly under the tee is not within the discharge pattern of either 1. Design requirements for fryers are broken down into two the tip of the nozzle.See Figure 4-10. nozzle. types. twaozzUe A.FRYERS WITHOUT DRIPBOARDS to FT po ml� . MAXMW If the fryer does not Include a dripboard,measure the 4 t0rr(0A04 internal depth(horizontal dimension from front to beck) MAxMUM and length of the trypot. HEx3HT Or B.FRYERS WITH DRIPBOARDS axrea un 0 Eh n sot . 10 T0.0 m If the fryer Includes any dripboard areas,measure both MAXMUM �.—4 Fr-- ---►� -/- the Internal back and length the frontal dimension from front to It 2 ) rypol ponlon,and then measure MAxex7M¢ n the internal depth and length of the overall hazard area including any dripboard areas. �so Fr(at mt _ 2. Using Table,"Maximum Cooking Area Dimension-Single Nozzle Fryer Protection,"determine which nozzle is needed to protect the fryer based on the maximum dimensions FIGURE 4.12 listed. A.0 the fryer does not include a dripboard, use the maximum dimensions listed in the first column of the to Fr t0.o mt table to select the correct nozzle. MAXIMUM FIGURE 4.10 B.If the fryer includes any dripboard areas,use both the ° *' • l0Frl0om> maximum trypot dimensions in the first column of the TWO 1N NOZZLES-"V"BANK PROTECTION MAxlMUM table, and the maximum overall dimensions in the .Two IN nozzles will protect 10 linear feet(3.0 m)by 4 ft(1.2 m) second column of the table to select the correct nozzle. wide of"V"bank plenum,The nozzles must be mounted in the MAXIMUM s �1 None of the maximum dimensions in either column may .plenum,2 to 4 in.(50 to 101 mm)from the face of the filter, be exceeded. centered between the filter height dimension,and aimed down the ! i 3. if either the maximum trypot or the overall sizes are length.The nozzle must be positioned 0-6 in.(0-301 mm)from the exceeded,an additional nozzle(s)will be required.Refer to end of the hood to the tip et the nozzle.See Figure 4-11. the multiple nozzle requirements. Example:A fryer with a ddpboard The Inside of the hypot 2-4 IN. without the dripboard measures 1 a in.in depth x 78 in.in length (60-rot mml (457 mm x 457 met)and the inside of tire overall area includ- 2-4lN, , lc0_101 \ irtg the dripboard rrteasmes 18 irA In depth x 24 in.In length mm> (457 mm x 610 In*From the Table'Maximum Cooking Area e FIGURE 4.13 Dimension-Single Nozzle Fryer Protection,-either(he 3N or 4. the 290 nozzle should be selected to protect the fryer,depend- ing on the maximum nozzle height above the fryer and the nuxlMUM r positioning requirements allowed.Refer to appropriate Figures. , a MFrpomt � f/MAXIIUM 401, NCOMEla FIGURE 4.14 FIGURE 4-11