Laserfiche WebLink
R-702 Restauran(Fire Suppression Manual SECTION 4—SYSTEM DESIGN SECTION 4—SYSTEM DESIGN R-102 Restaurant Fire Suppression Manual <br /> UL EX3470 ULC EX3470 UL EX3470 ULC FX3470 <br /> 2014•SEP-01 REV.11 PAGE 4-65 PAGE 4-66 REV.11 2014-SEP-01 <br /> DISTRIBUTION PIPING REQUIREMENTS(Continued) DISTRIBUTION PIPING REQUIREMENTS(Continued) BCH LINE <br /> r LAST <br /> IRM TART <br /> Supply and Branch Line Identification(Continued) PLENUM BRANCH LINE Distribution Piping Requirements—1.5 Galion System srART aE FIRST <br /> anA..LINE <br /> NOTICE The Plenum Branch line is damned as the length of pipe which DUCT,PLENUM,AND APPLIANCE PROTECTION <br /> runs from the supply line to the plenum nozzle(s),This Includes 1.This option allows for duct protection,plenum protection, <br /> Branch linos cannot start ahead of a supply aR branch line fittings as well as the tee or elbow used to Sad appliance protection,or any combinatlon.However,only one SUPPLY <br /> line tee. - - the branch fine.See Figures 4-126 and 4-130. duct LINE TEE TOTAL LENGTH <br /> g duct nozzle may be used,either a 1 W or a 2W,nozzle. EXCEED <br /> NDT <br /> ExCEfiD B E7 <br /> 2.A9 distribution piping,supply and branch,must be 318 in. (' /IzA.4 <br /> DUCT BRANCH LINE 4 Schedule 40 black Iron,chrome-plated,or stainless steel. / <br /> The Duct Branch Une Is defined as the length of pipe which . •+ 3. Each 1.5 gallon tank allows a maximum of five flow <br /> runs from the supply IIrTe to the duct nazzle(s).This includes all , ,� <br /> PLENUM BRANCH LINE numbers.' / <br /> branch line fillings as well as the tee or elbow used to start the i (FEE INCLUDED) <br /> branch line.See Figures 4-128 and 4-129. 4 4.The pipe length between the start of the first branch line and sTAm or nsT <br /> '- PLENUM BRANCH LINE the start of the Iasi branch fine must not exceed 6 8(2.4 m). BRANCH LINE <br /> (FEE IN(LUDED) Slnitl Vr'rlk:i <br /> nucr BHANaI LwE 1 When[he supply line is split,the combined length of both rsamcH Imr <br /> (El,l'Aw wCLUDED) - togs of the supply line(start of first branch line to start of last FIGURE 9-132 <br /> 1 branch line)must not exceed 8 0(2A m).See Figure 4-132. ' <br /> If 5.The combined length of all branch lines must not exceed 22 Iw Nozz E <br /> 9, DUCT BRANCH LINE it(&7 m).See Figure 4-133. <br /> rrEE watHDEor <br /> 6,The-requirements of the following table must not be <br /> .{ FIGURE 4-13300 exceeded: <br /> %p APPLIANCE BRANCH LINE <br /> DUCT aRANCr4 LINE The Appliance Branch Line is defined as the length of pipe <br /> I (TEES Ncuioaof \ <br /> which runs from the supply line to the appliance nozzie(s).This includes all branch line fittings as well as the tee or elbow used <br /> 1,.) to start[fie branch line.See Figures 4-128 and 4-131. <br /> 7 17 1N NOZZLE <br /> y•YI' f, ' ��'' (BRANCH LINES IN U001 NOT E NE ED 22 H M—) <br /> N0T E%GEED 22 FT 1&>rn) <br /> FIGURE 4-1133 <br /> IJ <br /> ,{ APPLIANCE DOD) LINES <br /> Ir_kU3'-]r OEEs wcLUDEaT .1.5 GALLON SYSTEM <br /> Supply Duct Plenum Appliance <br /> FIGURE 4-129 Requirements Line Brandt Line Branch Line Branch Una <br /> morel Pipe Size 3/8 in. 318 in. 318 in. 3/8 In. <br /> FIGURE 4-1331 <br /> Maximum length 40 it 6 fl 4 N 10 fl . <br /> (12A m) (1.8 m) 0.2 m) (&0 m) . <br /> Maximum Tees 1 1 2 3 <br /> I <br /> Maximum flow Numbers 5' 2 2 3 <br /> 1 •EscePliens: <br /> 1.Sls Ilwv nUrfd+sra arc allowed when o duci Gandl line is ilre 7osl breneh IInB on Ihe Piping network mtl no IN mxHes as used w gotarl waksw grWdloi <br /> 2,Sa 9mv nUnlLsra ue showed whwr slK IN no��lbs era used urltl rona el ute noules are usatl to protect wWrs,yWJles,ranges,nM xUlemaretlwc <br /> Note:CRIIy fIW(low numbers are alWwsd A a IN Joule Is used IwwoA,9rWtlle,ratLge,w ealamentlw pralecrion. <br /> k,Sir(low uuruha,s ore etlowed when an{y Iwo 9N Pouks era usotl. <br />