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DUCT CONSTRUCTION STANDARDS DUCT CONSTRUCTION STANDARDS DUCT CONSTRUCTION STANDARDS DUCT CONSTRUCTION STANDARDS
<br /> Hermanson
<br /> RECTANGULAR DUCT CONSTRUCTION RECTANGULAR DUCT CONSTRUCTION RECTANGULAR DUCT CONSTRUCTION RECTANGULAR DUCT CONSTRUCTION Building Today,Defining Tomorrow
<br /> GALVANIZED STEEL: 2" STATIC PRESSURE GALVANIZED STEEL: 3" STATIC PRESSURE GALVANIZED STEEL: 4" STATIC PRESSURE GALVANIZED STEEL: 6" STATIC PRESSURE
<br /> Hermanson Company LtP
<br /> 1221 2nd Avenue North
<br /> jRECTAINGULAR DUCT CONSTRUCTION STANDARDS RECTANGULAR DUCT CONSTRUCTION STANDARDS ECTANGULAR DUCT CONSTRUCTION STANDARDS Kent,Washington 98032
<br /> RECTANGULAR DUCT CONSTRUCTION STANDARDS Tel:(206)575-9700
<br /> wnrlwwx RUCTTON IDINTMAELEDN"Mors MID-PgATREINEO ORRAINIS Fax:(206)575-9800
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<br /> CD SET
<br /> Key Plan
<br /> DUCT PRESSURE CLASS LAST UPDATED: 09/28/23DUCT CONSTRUCTION - g GALVANIZED ROUND DUCT CONSTRUCTION MATRIX
<br /> PRESSURE • 4VERSION1
<br /> DUCT TYPE DUCT LOCATION RATING REMARKS
<br /> MEDIUM/HIGH PRESSURE DUCTWORK FROM UNIT
<br /> SUPPLY AIR DISCHARGE TOA QUICK ACTING FD,SO,FSD,ORMID POSITIVE 4-6 AL-GOVEwPTOIa'wc1 2 INCH PAT NEGALENT 3&4 INCH WG NEFERITIME 6 INCH wit NEGATHA to INCH waANNE"n't
<br /> DUCTWORK SEE FAN CURVE AT SHUTOFF CONDITION INCHES W.G. 1 5 7 8 5 5 LONG TAM LONG.SEAM 3NRAI SEAM SNMLSFAM
<br /> GALVANIZED LONG SEAM LONG.SEaM s LoxG.SEAM oxG.SEAM s LONG.SEAM oxGS AM RAL SE EoxG.SEAM EONG.SEAM GALVANIZED
<br /> LOW/MEDIUM PRESSURE DUCTWORK FROM QUICK ACTING DA... ONF NEEF Fr;NGS MULTI-NECE PIPE ONE PIECE FNTINGS MULTF_PR. PIPE ONE PIECE FITTINGS MULTI-PIECE PIPE ONE PIECE FITONGs MULTLNECE PIPE ONE NEEEFmINGS MULTI-RIFCF PIPE DIAMETER
<br /> SUPPLY AIR FD,SD,FSD,OR MD TO INLET OF VAV VALVE POSITIVE 52 AxOPIPE GD DRIED
<br /> FFmNGS ANDNPE GORED FNTINGs A-PIPE GOREDFNTINGS AND PIPE GOREDFIT11- ANO PIPE GORED FECTING6
<br /> EIIH 3-5 PO 3A) ITa I PG 34I (TER.s-5 Re 3.q (TEL 3.6 PG 3.2a1 mi.3-6 PG 120) (TEL 3-0 PG 3.111) (TEL 3.7 PG 3.221 (Tel 3-7 PG 3.121 TOM.-11 NF 3.20) ITel3-e PG 3.241 (TEL 3-e PG 3.14) (TEL 3.12 RE 3.22) (TEE 3-s PG 3.16) (TILL 39w 3.16) (OH.313 PG 3.2.)
<br /> DUCTWORK SEE SCHEDULED ESP FOR FAN INCHES W.G. 23 -0 24 CAp nwp 28 GA(10m 24GA(Rui nw on.)Ol taw Dom 24w ERR1p 24 OR lRRIp isGA(to m MGA(NNp is GA INa1p 26w 110m isGA(NRIp 24GA(MR)p 26w11Om -0
<br /> SUPPLY AIR POSITIVE 3
<br /> DUCTWORK 1PRESSURIZATION FAN SYSTEMS INCHES W.G. 1 2479 sae 24wp -(I) -AnOm 2AGA(NR)p 24GAlNRIp 1s GA(wm 2AGAINN01 24w(NRIp 18GA(1DFn 24GA(NRIp iDA 1NRIp 2sGAl1am 2AGA(NI 24GAINR)p MIGAILOm -0
<br /> SUPPLY AIR LOW PRESSURE SUPPLY DUCTWORK DOWNSTREAM OF VAV POSITIVE:52 740 aE IO aGAp .8GADoIT) 24 GA 1NRIp 24wagp aw(IoFT) 14 GA(NRIp uGA(xRIp 26w Dam 14GADNRIp 24 GA 03RIp 26 GAUOm awmRI 24w(NRI il( I10m 7.eo
<br /> DUCTWORK UNIT OR CONSTANT VOLUME UNIT INCHES W.G. 2,3
<br /> RETURN/ 3-100 24G IO awp 26GAIlOm 24w(NRI1D 24 GA(Ma OI uGA(tum uGA ono(D u"w)(1) 1sGADOFT) uGA1NN 244ADIR) 26GA(um ""(PER) 2aw(w) lswltom 11.0
<br /> OUTSIDE/ n0 nGAp 24wp 16w(10mp 24GAINII 24 GA(NA)p 26w(LOm0 nw(M.) uGA(.A) 26 GA(EDFIT 14GA(K) 2AGA(NR) 14w(1111m naAlNs) 22 GA 111 24w110111) 120
<br /> EXHAUST AIR LOW PRESSURE DUCTWORK FROM A GRILLE TO A QUICK NEGATIVE 52
<br /> DUCTWORK ACTING DAMPER FD SD FSD OR MD INCHES W.G. 2,3 140 24wp awp 2fiGA(1Gmp nGA DM n GAL(M.) SraA ISOmp nw(NR) 22GAIRA) nw(10 FT) 22 GA(NRI 2-nes) 24GAlIam 2a GFl(NRI 20 GA INRI 22 GA(TOH) 140
<br /> RETURN/ 160 GA(D 2AEI :$"(Is.) 24 GAL(NRI nGA1NR) s6GA(L0H) 22 GA(NR) nGA(N.) is w Iv0H) mDA(MRI 21T GA INRI 22 w(to nl 24 GA Ismp l GA(:H)p 2sGAl10m 160
<br /> OUTSIDE/ LOW PRESSURE DUCTWORK FROM A QUICK ACTING FD, .0 246 1O n111 26GADOm 22w(Nn nw(RRI Iom nw( 2aw(MR) 1N TOGA ) nGA m DD 20 DA(.) to GA INRI 22 OR(111 w
<br /> I]"1 x (sm nwem nGADDm Jae
<br /> EXHAUST AIR SD,FSD,OR MD TO THE INLET OF UNIT/FAN NEGATIVE 52 Revisions
<br /> DUCTWORK SEE FAN CURVE AT SHUTOFF CONDITION INCHES W.G. 13 .0 is. - 16GA(sOIm nwwq nw(NRI nwDom -pul 2OGAaHa riGA(E.m 24 GA lamp 24 GA is RE)p 26GAD0m 24 GA Ism ..(ITT) MGAIIam 2O0
<br /> RETURN/ no 24 aR 24" 26GAD0m 22GAINRI n"(NR) xiw(iom 24 GA(5 ICE)p 24 GA ls FT)p 26w(1G FYI p 24GA15mp nw(Smp 26 w(IUFit 24w(SFri 24w(sm 24wliom 220
<br /> OUTSIDE/ MEDIUM/HIGH PRESSURE DUCTWORK FROM A QUICK -
<br /> EXHAUST AIR ACTING FD,SO,FSD,OR MD TO THE INLET OF UNIT/FAN NEGATIVE>4 no 24. - 2ewDom 20w N.I mGAIRA) nw(mm 24GA15FT)01 24 GA I5 mp 26 GA(EDFIT ss.pm 24GI 24w1Ia111 24 GA Ism 24GAllm netllom 240
<br /> DUCTWORK SEE FAN CURVE AT SHUTOFF CONDITION INCHES W.G. 1578 26-w0 22 GA ixw 14wu0m 24GADm 01 22GADm01 MCER(IDm Ot uwlsmp n OIL(s Rrlp is TER(to m01 neA(sm nGA Ism OO 24GAD11m 22w1s1r) nGAlsm 22w11o1r) 2G300 -
<br /> RETURN/
<br /> OUTSIDE III 3z4Go nGA 11w 24GFLDOm 24 GA 15mp nGA(5 FT)p MGADomp 24GAIsIF) nGA is mp 24 rA 1111m nwlsm nGIL11m 22GAD8m 22GA(I 22w151FT) 21"DOm ii-st -
<br /> EXHAUST AIR OUTSIDE THE BUILDING ENVELOPE AND SERVING A &.um nGA riw 22 GA(lomp 24 w(s FT)p 22 DO,(s IT)p nGA(to IT)p a4GADm nw(s ET)p 2a GA(Io Fri O nwlsm 12w4sm nGA11am 2OTI towDFn mwllom 3(A420
<br /> DUCTWORK CONDITIONED SPACE ANY 1 710 444em 22wDom 24wum01 GwIsm01 nw(uH)p, 22wum isORIsmp 21wDPm rlwlsm 2awumOl 12w(24FT) .OR ism uwum 0GAD0H) -.0TYPE 1
<br /> KITCHEN <6INCHES .0 tow taw 22 GA(1oIT) nw(IIll 2-r-no a GA,Dom OO nGA(Sm 20 GA Is ITT p uwpoFIT tow lsm IOGA13m I.FT) 111GA11m iswlsm uGRlum so0
<br /> EXHAUST CEILING PLENUMS SHAFTS W.G. 26 u.gRm tow taw x0w(10mp -oln) uwIs RE)p 20 GA(Iomp nempril 20GEIs FT)p 20 w lump tow um 20GAI3m 20 GA(10 FT) is GA Ism vw(sm 18GAI10 FT) fiau0
<br /> NOTES:
<br /> 1 PRESSURE CLASS TO MEET OR EXCEED FAN CURVE(1.25 TIMES FAN ESP PRESSURE). s64Om tow tow to w Domp 24 GA lsm THE wDFT)10 20 w DOm Q, 22w(sFIT TO GA is mp 20 w(faFIT Q, mwum isGAlsFT) ]O w(in"I IsGA(sFT) ..(ITT) 111 ss&0 -
<br /> 2 PRESSURE CLASS TO MEET PRESSURE RATING INDICATED 6I46o ,sty Is. 18GAD0mp 24GAum 16 GAD Im(1) Is w(10FT)(1) 22wDInn uw(s FIT© Is w pom Ol uGA Ism aOR am Ol 18 GA pom Ol uw IS FT) uwpm uGAllo Fr) GO"o
<br /> 3 :52"PRESSURE WITH SEAL CLASS C(TRANSVERSE JOINT) -
<br /> 4 3"PRESSURE WITH SEAL CLASS B(TRANSVERSE,LONGITUDINAL JOINT) &-rill 1Aw 111" 1s w Dom Ol 24w(sm ,s GAIs Fri p is OR(uFri 01 20w(sInn is GA is m 01 is rA(ED Fill p TOGADFri law Is Fri p nwDam is GA IS FT) Lit wpm IRGAIlOm -.0"
<br /> 5 2!2"PRESSURE WITH SEAL CLASS (TRANSVERSE,LONGITUDINAL&DUCT WALL PENES) J4.7s0 Es. ,eGA 1e GA(ump, 21(1 HEGAIs Fri 01 111 GA Domp 2owDm is GAD mp IsGApa Fri(D uwpm Ie GAD FI) ,s GA(1am 16GA(sm uwpm uGADm J4-760
<br /> 6 CONTINUOUSLY WELDED CONSTRUCTION OR APPROVED EQUAL 03/14/25 BDG PERMIT RESPONSE
<br /> 7 DUCTS TO BE LEAK TESTED ACCORDING TO SMACNA HVACAIR DUCT LEAKAGE TEST -0 1AGA uGA ]eGA(uH)p 22GAIsm uw(smp 1sw(ump 20GA(5"I uwIs IT) 1sw(smp uw(sm is w Ism 1e GADOm IsGA(sm ..(sm -(sH) w&0 -
<br /> MANUAL FOR AT LEAST 25%OF THE INSTALLED DUCT SYSTEM AREA e6400 aw vw owDomp nwlsm &w(smp law(mmp 2owDm uw1s F*Ip uwlsm0 uw(sm uwlsm uwpm0 fiwum uGAlsm ew(sm 66400 -02/11/25 BDG cD SET
<br /> 8 TESTING NOT REQ'D FOR DUCTS OPERATING AT<3"W.G.(SEE EQUIPMENT SCHEDULE) u46e uGAGA(ump nGAlsm uw(smp uwlum0 uGA(s Pr) owls Fr)p uw(sm0 uGAlsm uwlsm uwpm Ol 16GAIsm I6GA(sH) 1e GA Fit 01/13/25 BDG ISSUE FOR PERMIT
<br /> 9 TESTING NOT REQ'D FOR PRESSUIZATION SYSTEM DUCTS FOR SEATTLE ONLY -
<br /> 10 TESTING OF EXTERIOR DUCTS REQUIRED FOR SEATTLE ONLY,UNLESS>-3"W.G. No. Date By Description
<br /> NOTES COLOR CODING:SMACNA REINFORCEMENT CUSS T x
<br /> -SMACNA I.M.3.2 on PRE,.3.6
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<br /> SMNa4A CLAIM-I-RauNI DUPt RAWAISANNOt ' Design BDG
<br /> M Drawn DPM
<br /> Checked DTN
<br /> Pre Construction Number 21-25-27063
<br /> Construction Number
<br /> Issue Date 01/13/25
<br /> CONSTRUCTION
<br /> STANDARDS
<br /> - HVAC
<br /> FOR CITY USE ///���
<br /> E City of Everett Permit Services ■ & ■O ■0 1■
<br /> EVERETT Reviewed for Permit 04/17/2025
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