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RECTANGULAR DUCT CONSTRUCTION <br />GALVANIZED STEEL: 2" STATIC PRESSURE <br />2"WG <br />RECTANGULAR DUCT CONSTRUCTION. • •. <br />n"sSeal <br />anea.l1 N <br />Mm.T4150 <br />MOWN <br />m®ate®®ate <br />� <br />o© <br />�mmaaaa�a� <br />����meeeeee� <br />����mea®o®vim <br />mmmomolm <br />mmLmomoLm <br />m®momom <br />mmmLom® <br />mmmam <br />mmmomom <br />1 f mmmomom <br />LLLIL©®mLo�oLm <br />�mmomolm <br />®mm.om® <br />v. <br />mmmom <br />Joint/Mid Point Reinforcement <br />� RelUm s6wenn N zslel�P�is- <br />RECTANGULAR DUCT CONSTRUCTION <br />GALVANIZED STEEL: 3" STATIC PRESSURE <br />�� Lo itudi� ll SeRs. Types <br />Transverse Connector Types <br />Mn.6P <br />�.PGnT>�. <br />fR=,6knm.d <br />�R .,:G2RGGEkn6.� <br />TGR <br />JoinUMld-Pom lnt Reinforce <br />a" <br />DUCT PRESSURE CLASS LAST UPDATED: 05/25/22 <br />PRESSURE <br />DUCT TYPE <br />DUCT LOCATION <br />RATING <br />REMARKS <br />MEDIUM PRESSURE SUPPLY DUCTWORK FROM UNIT <br />SUPPLY AIR <br />DISCHARGE TO A QUICK ACTING FD, SD, FSD, OR MD <br />POSITIVE 4-6 <br />DUCTWORK <br />SEE FAN CURVE AT SHUTOFF CONDITION <br />INCHES W.G. <br />1 5 7 8 <br />MEDIUM PRESSURE SUPPLY DUCTWORK FROM QUICK <br />SUPPLY AIR <br />ACTING FD, SD, FSD, OR MD TO INLET OF VAV VALVE <br />POSITIVE :52 <br />DUCTWORK <br />SEE SCHEDULED ESP FOR FAN <br />INCHES W.G. <br />2,3 <br />SUPPLY AIR <br />POSITIVE 3 <br />DUCTWORK <br />PRESSURIZATION FAN SYSTEMS <br />INCHES W.G. <br />2 4 7 9 <br />SUPPLY AIR <br />LOW PRESSURE SUPPLY DUCTWORK DOWNSTREAM OF VAV <br />POSITIVE 52 <br />DUCTWORK <br />UNIT OR CONSTANT VOLUME UNIT <br />INCHES W.G. <br />2,3 <br />RETURN / <br />EXHAUST AIR <br />LOW PRESSURE RETURN DUCTWORK FROM GRILLE TO A <br />NEGATIVE <_2 <br />DUCTWORK <br />QUICK ACTING DAMPER FD SD FSD OR MD <br />INCHES W.G. <br />2,3 <br />RETURN / <br />LOW PRESSURE RETURN DUCTWORK FROM A QUICK <br />EXHAUST AIR <br />ACTING FD, SD, FSD, OR MD TO THE INLET OF UNIT/FAN <br />NEGATIVE 52 <br />DUCTWORK <br />SEE SCHEDULED ESP FOR FAN <br />INCHES W.G. <br />1,3 <br />RETURN / <br />LOW PRESSURE RETURN DUCTWORK FROM A QUICK <br />EXHAUST AIR <br />ACTING FD, SD, FSD, OR MD TO THE INLET OF UNIT/FAN <br />NEGATIVE 3 <br />DUCTWORK <br />SEE SCHEDULED ESP FOR FAN <br />INCHES W.G. <br />14 7 8 <br />SUPPLY / <br />RETURN AIR <br />OUTSIDE THE BUILDING ENVELOPE AND SERVING A <br />DUCTWORK <br />CONDITIONED SPACE <br />ANY <br />1 7 10 <br />TYPE 1 <br />KITCHEN <br /><6 INCHES <br />EXHAUST <br />CEILING PLENUMS SHAFTS <br />W.G. <br />2,6 <br />NV1m: <br />1 PRESSURE CLASS TO MEET OR EXCEED FAN CURVE (1.25 TIMES FAN ESP PRESSURE). <br />2 PRESSURE CLASS TO MEET PRESSURE RATING INDICATED <br />3 :52" PRESSURE WITH SEAL CLASS C (TRANSVERSE JOINT) <br />4 3" PRESSURE WITH SEAL CLASS B (TRANSVERSE, LONGITUDINAL JOINT) <br />5 >_2" PRESSURE WITH SEAL CLASS A (TRANSVERSE, LONGITUDINAL & DUCT WALL PENES) <br />6 CONTINUOUSLY WELDED CONSTRUCTION OR APPROVED EQUAL <br />7 DUCTS TO BE LEAK TESTED ACCORDING TO SMACM HVACAIR DUCT LEAKAGE TEST <br />MANUAL FOR AT LEAST 25% OF THE INSTALLED DUCT SYSTEM AREA <br />8 TESTING NOT REQ'D FOR DUCTS OPERATING AT <3" W.G. (SEE EQUIPMENT SCHEDULE) <br />RECTANGULAR DUCT CONSTRUCTION <br />GALVANIZED STEEL: 4" STATIC PRESSURE <br />Lo6g&1tud1� nal Se ons Types <br />74 s.a1 i-z- l_ <br />Transverse Connector Types <br />L <br />Joint/Mld-Point Reforcement T <br />a" mGI, Pa I< <br />RECTANGULAR DUCT CONSTRUCTION <br />GALVANIZED STEEL: 6" STATIC PRESSURE <br />611 W GRECTANGULAR <br />DUCT CONSTRUCTION STANDARDS <br />Seal Class <br />e.wsmnex6m .Ia)P.2. <br />A <br />L.L2 <br />rrg <br />�"L <br />®®�omaaaeaa® <br />�mmvvmvsiiiiiiim�o® <br />L� <br />LLLLLLL� <br />L�ffi� <br />LLLLLI7iLll� <br />a®o <br />®LLLLLLLLI•a <br />mm0ollll�� <br />i mmmomom <br />mmmoL� <br />mmmomom <br />mmmLOL�� <br />mmmo <br />mm�a�allll <br />m®momoLm <br />LLLLLl�lill�llllla7o�allllllE>L7 <br />�m�om©m <br />®m�o� <br />mm�o�o <br />mmmo�LOLm <br />GALVANIZED ROUND DUCT CONSTRUCTION MA <br />im A <br />ALL POSRWE (UPT0I0" WG) <br />NOI WG NEwTWE <br />38 4 ttinl WG NEwTNE <br />N WG NEGATVE <br />M IN<N WG NEGATIVE <br />GALVANIZEDLON <br />pM1ETER <br />ONE. ECF FRlINGS <br />1— 3-5 <br />MULTI-RFCF <br />GOREDPRTNGS <br />(TU 34 PG LA) <br />s <br />PRF <br />(711R3-SPG38) <br />mINGS <br />ONE ANDRPE <br />IM1.3.6MLIG) <br />MULTFRECF <br />G0REDTTTNGS <br />(Tu3-6PG3.1G) <br />RPE <br />(TIL3-1GM3.16) <br />EPIFCF PITTNGS <br />N AND PIPE <br />(613.7 PG LIZ) <br />MULTFPIECE <br />GORED—NGS <br />(T13-TPG3.u1 <br />RPE <br />1TU 3-11 R: 3.20) <br />ONE PIFCF PITTWGS <br />ANOPIPE <br />(TRL 3-6 PG 3.14) <br />MULTPRECF <br />GORED P 16% <br />ITKs 3.1.1 <br />S <br />PIPE <br />A6L 3-u PG 3.22) <br />ONE RFCEP_._s <br />AND RPE <br />CUL3-3PG3.16) <br />MULTYIECF <br />GORFDPRTNGS <br />IIER-RRD3.16) <br />SRRAlSFAM <br />RPE <br />(T 3-u PG3.24) <br />GALVANIZED <br />DIAMETER <br />_o <br />24GAQ <br />Nw0 <br />MGA110m <br />2. GA (RA)Q <br />Nw(N.IQ <br />MGA(10m <br />24"(NRI0 <br />NGAINRIQ <br />Mw(10m <br />NGA (NR)(D <br />24 GA INA)Q <br />26 GA(10 RI <br />24 GA IRA)Q <br />I. w INgO <br />MGAIIOm <br />OJo <br />5" <br />24w Q1 <br />Nw(D <br />2•w110R) <br />aGA NA)Q <br />Nw viol <br />MGAl10m <br />Nw(NAI(D <br />NGAINR)Q <br />Nw(LOm <br />34GAINR)© <br />NGA(NIU(D <br />26 GA(to m <br />IsGA INFO 0 <br />I4"IRA) Q <br />ID GA(Mm <br />Soo <br />240 <br />uwQ <br />N"(D <br />Nwpom <br />uw(NWO <br />uwono (D <br />NGII(Mm <br />uw(NR)Q <br />NwmR)Q <br />Mw 1.0m <br />uww(D <br />NGA(W(D <br />2S w Il0m <br />u"IMG <br />uwkm <br />Zs"Dom <br />2.so <br />floo <br />NGA D <br />NOA(1) <br />uwlMm <br />u8A(NRIQ <br />u"PROM <br />x"IMm <br />u"PMIQ <br />Nw(Nq(1) <br />MDAIMm <br />NwPAD <br />NGADIR) <br />26GADoIn) <br />Nw(MG <br />tow.) <br />N"(Mm <br />S-MO <br />I2O <br />24w0 <br />NGA(D <br />26GA110m0 <br />NwINA)Q <br />Nw(NR)Q <br />Nw11Om0 <br />uwoOQ <br />Nw(MR) <br />Nw iern <br />NGAINR) <br />N (NIU <br />uGADOm <br />IIw INRI <br />II GA NA) <br />NGA no Fr) <br />110 <br />No <br />Nw01 <br />NwD <br />26 42Om(D <br />Nw Onq <br />Nw INA) <br />I6wIlOm0 <br />II yoo <br />I2G11IRR) <br />24 GA llOm <br />llw(NR) <br />22 GA(NR) <br />24 w I.. FT) <br />IG GA INRI <br />GA (No) <br />Il wuGm <br />14O <br />260 <br />N (D <br />NGAQ <br />wpGm <br />uwINR) <br />24wput) <br />w(Mm <br />ZZ.A1.111 <br />.-Atom <br />MGA(MR) <br />20 GA INR) <br />22wpGFT) <br />NGA13FT) 0 <br />24 GAaFT) Q <br />GA(1Gm <br />-so <br />No <br />14w0 <br />Nw(D <br />26w(10m <br />22 w IRA) <br />IIw OM) <br />NwINm <br />ZGw(NA) <br />NGA (NRI <br />II w IIOm <br />20GAIMI) <br />IO GA IRA) <br />2Iw110m <br />Nw(Sm <br />Nwlsm <br />NE.IMm <br />1so <br />Mo <br />Is GA <br />Is <br />26w4IOm <br />I2 DA(No) <br />u6M OM) <br />Nw(Mm <br />2ow(NR) <br />NGAINR) <br />nGA(IOm <br />NwumO <br />24GA(Sm0 <br />26GAD0m <br />N (Sm <br />N"ISm <br />24 GA Isom <br />100 <br />NO <br />24 GA <br />24" <br />26wiMm <br />Nw IN) <br />Nw(M) <br />22wpom <br />24GADm0 <br />uw(smQ <br />Nw(10Fri 0 <br />Nwum(D <br />uwlsm Ql <br />26 GA IIYm <br />2.wum <br />uw(Sm <br />NGADOm <br />I2O <br />No <br />24 GA <br />24w <br />26GA11om <br />Z.GA NA) <br />Mw INA) <br />21GAnOm <br />24wum(D <br />24w(Sm0 <br />N 1l 11 <br />N (sm <br />24GADm <br />24OR(10m <br />NGA(Sm <br />NwRm <br />NGAI10m <br />Zoo <br />_Loo <br />II GA <br />Nw <br />24wI2Om <br />24GADm(D <br />22 wISm0 <br />NGAINm0 <br />I4w15m(D <br />ZIGNISm(D <br />NwllOm(D <br />.-Dim <br />IIGAj1m(D <br />24 GA(10FT] <br />.-(sm <br />I2w(11r) <br />IIGAI10m <br />_Zoo <br />32460 <br />-A <br />22 GA <br />24wI20m <br />24 GA IsmQ <br />Zlw(5m0 <br />Z4GAlMmO <br />Nwum <br />Iiwlsm(D <br />Nw(Mm <br />nw0m <br />22wlsm <br />II GA Dom <br />21w(sm <br />uw(Sm <br />22w Dom <br />32.36Is <br />Mn2o <br />NGA <br />33GA <br />22 410m0 <br />24 w(sm0 <br />Nw(5mQ <br />ZZGAlMmO <br />24GADm <br />22w(Sm0 <br />22 w ltOI'll O <br />LEGADm <br />12w1-1) <br />32 GA Dom <br />MCADm <br />20w(sm <br />MGADOm <br />_o <br />.-o <br />N GA <br />low <br />22wpDm <br />24 w(Sm0 <br />20w(Sm0 <br />2awIMmO <br />aGA(5 I <br />Zo_pmQ <br />NwpGm <br />22w(SPT) <br />20wI5m0 <br />12GA110m <br />Mwlsm <br />20w(Sm <br />MOA(Iom <br />«-.a <br />Mo <br />20 GA <br />Z.w <br />22GA41Om <br />Nwlsm <br />IDwum(D <br />22 GA(10 m0 <br />22 GA IS <br />ZOwlsm(D <br />2IGA(Mm <br />IOW Ism <br />MWllsm <br />20w DOm <br />Mw(Sm <br />."(sm <br />IOGAI1Om <br />Soo <br />52040 <br />10 GA <br />Is GA <br />Mw11OmQ <br />I4w(5m <br />28w(Sm0 <br />2Ow(IOm0 <br />I2w(Sm <br />20w11mQ <br />IO w It. m0 <br />IOGA(Sm <br />.-Ism <br />IO GA(10FT) <br />18w(Sm <br />Nw(Sm <br />18GA11Om <br />SL54o <br />N-Md <br />20 GA <br />20EA <br />MwpOmQ. <br />24wlsm <br />2Gw13m0 <br />mw11Dm0 <br />nGAIsFri <br />mw(SPT)Q <br />MwIn'TI0O <br />tow(sFT) <br />ZOwlsm <br />20GA(10m <br />Mwum <br />Iswlsm <br />NGA(1Dm <br />-.a <br />.-o <br />I— <br />18w <br />18GA110m0 <br />Nwum <br />18wum0 <br />18w DOm0 <br />22 w Ism <br />Mw(Sm0 <br />Mw 110 m0 <br />mwum <br />MwISmO <br />Is GA DOm(D <br />Nwum <br />Mw(sFT) <br />MGAnOm <br />6266o <br />6L72o <br />Is GA <br />Mw <br />1.GAIIOm0 <br />NwISm <br />16GN(Sm0 <br />18GAiMmO <br />MGN(Sm <br />18GAISm0 <br />MrM(IOmO <br />20WISm <br />..pm(D <br />1. GA DOm <br />16GADFD <br />NwISm <br />IsGA(MFT) <br />—I o' <br />-Zoo <br />Is GA <br />Nw <br />l•GADOmQ <br />uwum <br />18w45mQ <br />NGADOmQ <br />10wD R1 <br />DoGADFr) O <br />Nw(20 mQ <br />Mw(sm <br />MwlSm <br />18 w 110m <br />Nwlsm <br />MGADm <br />18GA(Sm <br />-no <br />RON0 <br />12" <br />I.w <br />18w D0m0 <br />22w(5m <br />1.w(sm0 <br />MwIMmO <br />MGA Ism <br />Mw16m0 <br />Mwlsm(D <br />M (sm <br />MGAIsm <br />is Fri <br />16w(Sm <br />I6w(6m <br />MGADm <br />Rosso <br />NNo <br />I8 GA <br />18 GA <br />18w12Om0 <br />UGAISm <br />18"ISm0 <br />MGAIumO <br />20wl5m <br />18G111sm(D <br />Mwlsm(D <br />18w(5m <br />MGA(sm <br />MGADmO <br />I6GA(5m <br />16 GA Ism <br />MGA(Sm <br />w o <br />93460 <br />18w <br />1•GA <br />Mw(]OmQ <br />22wum <br />Mw(Sm0 <br />MwiMmO <br />2 (m <br />I NwlSmO <br />NGA(Sm0 <br />Nw(sm <br />I wum <br />M rm(D <br />ss"ism <br />10,6F" <br />280,01P}' <br />9_o <br />NOTES <br />1. 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