HomeMy WebLinkAboutM0.0-2 Mechanical SpecificationsSECTION 221316 - SANITARY WASTE
AND VENT PIPING
PART 1 - GENERAL
1.1 RELAIE� DOCUMEN7S
RETAIN OR DELETE THIS ARTICLE IN ALL SECTIONS OF PROJECT MANOAL.
A. �RAWINGS ANO GENERAL PRONSIONS OF iHE CONiRACT,INCLU�ING GENERAL AN�
SUPPLEMENTARY WNDIPONS ANO �INSION 01 SPEQFlCATION SECPONS, APPLY TO THIS
SECiION.
L2 SOMMARY
A. SEC710N INCWDES:
1. PVC PIPE AND FITTINGS.
2 SPECIALTY PIPE FlTTINGS.
1.3 FIELD CONDI710NS
RETAIN PARAGRAPH BELOW IF WIERRUPiION OF EXI511NG SANIIARY WAS1E SERWCE IS
REOUIRED.
A. MTERRUPPON OF ERIS7ING SANITARY WAS7E SERVICE 00 NOT MTERRUPT SERNCE TO
FAQLITIES OCCUPIED BY OWNER OR O7HERS UNLESS PERMIT7E� UN�ER iHE FOLLOWING
CON�ITIONS AND iHEN ONLY AF7ER ARRANGING TO PRONDE IEMPORARY SERVICE
ACCOROING TO REQUIREMENTS INOICATED:
1. NOiIFY CONS7RUCTION MANAGER NO FEWEft 7HAN 7W0 OAYS IN A�VANCE OF
PROPOSE� MiERRUPTION OF SANITARY WASiE SERVICE.
2 DO NOT PROCEED WI7H WiERRUP110N OF SANITARY WASiE SERVICE W1hI0UT
CONS7RUCTION MANAGER'S WRITTEN PERMISSION.
1.4 WARRANIY
A LIS7ED MANUFACIDRERS TO PRONDE LABELING AN� WARRANTY OF 7HEIR RESPECPVE
PRODOCTS.
PARi 2 - PRO�UCTS
MANUFACIlIRERS AND PROOOCTS L67E� IN SPECAGENT AND MASTERWORKS PARAGRAPH
BUILDER ARE NEIhiER RECOMMENDEO NOR ENDORSED BY 1HE AIA OR ANiRU. BEFORE
WSERTING NAMES, VERIFY THAT MANUFACTORERS AN� PRODOCTS LISTED THERE COMPLY WI7H
REOUIREMENTS RETAWE� OR RENSED IN DESCRIPTIONS AN� ARE BO7H AVAILABLE AN�
SUITABLE FOR THE MTENDED APPLICAiIONS FOR DEFlNITIONS OF TERMS AN� RWUIREMENTS
FOR CONiRACTOR'S PRODOCT SELECiION, SEE SECTION 016000 "PRODOCT REOUIREMENTS."
2.1 PERFORMANCE REQUIREMENiS
A. GOMPONENiS AN� INSiALLAiION SHALL BE GAPA6LE OF WI1HSiAN01NG THE FOLLOWING
MINIMUM WORKINC PRESSURE 11NLE55 OTHER'MSE INDICATED:
RENSE PRESSURE RAiINGS IN TWO SOBPARAGRAPHS BELOW TO SUIT PROJECT. COOROINAIE
W1TH SECTION 221319 "SANIiARY WASTE PIPING SPECIAL➢ES." SOIL AND WASTE PIPING MAY
REOUIRE HIGHER RAPNC IF OSED IN HIGH-RISE BUILDINGS.
1. SOIL, WASTE, AN� VENT PIPING: 10-f00i HEAD OF WATER.
RETAIN 'SEISMIC PERFORMANCE" PARAGRAPH BELOW VATH "SEISMIC QOALIFlCA➢ON
CERTIfICAlES" PARAGRAPH IN "MFORMAiIONAL SOBMIiiALS" ARPCLE FOR PROJECTS
REOUIRING SEISMIC DESIGN. MO�EL BUIL�ING COOES AN� ASCE/SEI ] ESiABLISH CRIiERIA POR
BUILDINGS SOBJECT i0 EARIHQOAKE MOTIONS. COORDINAiE REQl11REMENTS W1TH S7ROCTORAL
ENGMEER. VERIFY REQl11REMENTS OF AOhiORIPES HANNG JORISDICTION.
22 PIPING MAiERIALS
A. PIPING MAIERIALS SHALL BEAR LABEL, 4AMP, OR O1HER MARKINCS OP SPECIFlE�
iESPNG AGENCY.
SEE PIPING MAIERIALS ARTICLES IN 7HE EVAWATIONS FOR A DISCOSSION OF PIPING
MAIERIALS COVERED BY REFERENCE� STAN�ARDS.
B. COMPLY WI1H REQUIREMENTS IN "PIPINC SCHE�l1LE' ARiICLE FOR APPLICA710N5 OF PIPE,
IDBE, FITiING MAiERIALS, ANO JOINING ME7HODS FOR SPECIFlC SERNCES, SERVICE
LOCA710N5, AN� PIPE SRES.
23 PVC PIPE AN� fITPNGS
RETAM FIRST PARAGRAPH BELOW IF NSF MARNINGS ARE REOUIRE�.
A. COMPLY W1iH NSF 14 "PLASPCS PIPING SYS7EMS COMPONENTS AN� RELAIED
MAIERIALS,' FOR PLASPC PIPING COMPONENTS. INCW�E MARKING WI7H 'NSF-0WV" FOR
PLASIIC ORAIN, WAS1E, AND bENT PIPING AND "NSFSEWER" PoR PLASPC SEWER
PIPING.
PIPE AN� FIT7INGS M FIRSi TWO PARAGRAPHS BELOW ARE AVAILABLE IN NPS 1-1 4 TO
�
NPS 12 (DN 32 TO DN 300). RETAIN ONE OR BOTH PARAGRAPHS AND COORDINAIE WITH
°PIPING SCHE�ULE" ARPCLE.
B. SOLI�-WALL PVC PIPE ASTM D 2fifi5, �RAIN, WAS7E, AN� VENT.
G CELWLAR-CORE PVC PIPE: ASTM F 891 SCHE�ULE 4�.
�. PVC SOCKE7 PITIINGS: ASiM D 2665, MADE i0 ASiM D 33fl, DRAIN, WASiE, ANO VEN7
PAiiERNS AN� i0 Fli SCHE�ULE 40 PIPE.
E A�HESNE PRIMER: ASTM F 656.
E SOLVENT CEMENT: ASTM � 2564.
PART 3 - E%ECO110N
3.1 PIPING INSTALLATION
A. DRAWING PLANS SCHEMAiICS AND DIAGRAMS IN�ICAIE GENERAL LOCAiION ANO
ARRANGEMENI OF PIPING SYS7EM5.
1. INDICAiED LOCAilONS AND ARRANGEMENTS WERE USE� i0 SIZE PIPE AND
CALWLAiE FRICPON LOS$ E%PANSION, PUMP SIZING, AN� OhiER �ESIGN
CONSI�ERA710NS.
2. INSTALL PIPING AS INDICAffD UNLE55 DEVIA710N5 i0 LAYOUT ARE APPROVED ON
COOROINAiION DRA151NCS.
B. INSTALL PIPING IN CONCEALED LOCATIONS UNLE55 O7HERWISE IN�ICATED AND EXCEPT IN
EOUIPMENT ROOMS AND SERVICE AREAS.
G INSTALL PIPING IN�ICAiEO TO BE E%POSED AN� PIPING M E�UIPMENT ROOMS AN�
SERNCE AREAS AT RIGHT ANGLES OR PARALLEL TO BUIL�ING WALLS. DIAGONAL RUNS
ARE PROHIBITED UNLESS SPECIFICALLY IN�ICAIE� OTHERNISE.
D. INSTALL PIPING ABOVE ACCESSIBLE CEILINGS TO ALLOW SOFFlCIENi SPACE FOR CEILING
PANEL REMOVAL.
E INSTALL PIPING TO PERMIT VALVE SERUIQNG.
F. INSiALL PIPING Ai IN�ICAiED SLOPES.
G. INSTALL PIPING FREE OF SAGS ANO BENDS.
H. INSTALL FlTTINGS FOR CHANGES IN DIRECPON AN� BRANCH CONNECilONS.
. INSTALL PIPING TO ALLOW APPLICAlION OF INSULAPON.
RETAIN FIRSi PARAGRAPH BELOW IP PIPING IS RE�UIRE� i0 WI1HSiANO SPECIFlC �ESIGN
�oaos.
J. MAKE CHANGES IN �IRECTION FOR SOIL AND WASTE �RAINAGE AN� VENT PIPING USING
APPROPRIATE BRANCHES, BENOS, ANO LONG-SWEEP BEN�S.
1. SANITARY lEES AND SHORT-SWEEP 1/4 BENDS MAY BE 11SED ON VERTICAL STACKS
IF CHANGE IN �IRECTION OF FLOW IS FROM HOPoZONTAL TO VERiICAL.
2. USE LONG-NRN, DOUBLE Y-BRANCH AND 1/8-BEN� FlT71NG5 IF TWO FIXNRES
ARE INSiALLED BACK i0 BACK OR SI�E BY SI�E Wlhi COMMON DRAIN PIPE.
a. S7RAIGHi TEES, ELBOWS, AND CROSSES �AAY BE USED ON VEM LWES.
3. DO NOT CHANGE DIRECiION OF fLOW MORE 7HAN 90 �EGREES.
4. USE PROPER SIZE OF SiAN�ARD INCREASERS AND REDUCERS IF PIPES OF
DIFFERENT 9ZES ARE CONNECiED.
a. REDOQNG SIZE OF WAS7E PIPING IN DIRECPON OF FLOW IS PROHIBIIED.
K. INSTALL SOIL AN� WAS7E AND VENT PIPING AT iHE FOLLOWING MINIMUM SLOPES
UNLESS OTHERWISE IN�ICAIE�:
RENSE iHREE SUBPARAGRAPHS BELOW AS REOVIRED BY AUiHORIPES HAVING JURIS�ICiION.
1. BUILDING SANIiARY WASiE 2 PERCENi DOWNWARD IN �IREC710N OF FLOW FOR
PIPING NPS 3 ANO SMALLER.
2. HORIZONiAL SANRARY WASTE PIPING: 2 PERCENT �OWNWAR� IN DIRECiION OF
FLOW.
1 VENT PIPING: 1 PERCENi DOWN TOWARD VER7ICAL Fl%NRE VENi OR TOWARD VENT
SiACK.
L INSiALL ABOVEGROUND PVC PIPING ACCORDING TO ASTM D 2fifi5.
M. PWMBING SPECIALTIES:
1. INSTALL BACKWATER VAL�ES IN SANITARY WASTER GRANTY-FLOW PIPING.
a. COMPLY W17H REOUIREMENTS FOR BACKWAIER VALVES SPEQFIE� IN
SECiION 221719 "SANITARY WAS7E PIPING SPECIALPES."
2 INSTALL CLEANOUTS AT GRADE AND ENTEND TO WHERE BUILDING SANITARY �RAINS
CONNECT TO BUILOING SANITARY SEWERS IN SANITARY WASTE CRANiY-FLOW
PIPING.
a. INSiALL CLEANOVi FITIING W1iH CLOSURE PLUG INSI�E iHE BUILDING IN
SANIiARY DRAINAGE FORCE-MAIN PIPING.
b. COMPLY W1TH REOUIREMENTS FOR CLEANOOTS SPEQFlE� IN SECiION 221319
"SANITARV WAS7E PIPING SPECIAL71E5.°
3. INSTALL DRAINS IN SANITARY WASTE GRANTY-fLOW PIPING.
a. COMPLV W1hl REOUIREMENTS FOR DRAINS SPECIFlED IN SECTION 221319
"SANITARV WAS7E PIPING SPECIAL71E5.°
RELEA$ED FOR CONSTRACTION T PiPiNc iNro oaEennoN uNn� ir is iNSPec�o nNo
IG JURIS�ICTION.
Su6jec��o compliance with allregula�ions
of Sla�e antl Local Codes
CityofCarmel iOLbENT-CEIAENT JOINTS: CLEAN AN� DRY JOINMG
�i
;S ACCORDING TO hIE FOLLORING:
`��¢m�' lamn�MNi�
1. COMPLV W1TH AS7M F 402 FOR SAFE-HANDLMG PRACTICE OF CLEANERS, PRIMERS,
AND SOLVENT CEMENTS.
2 PVC PIPING: JOIN ACCORDING TO ASTM D 2B55 AND ASTM D 2fi65 APPENDIXES.
3.3 INSTALLATION OF HANGERS AN� SUPPORTS
RETAM FIRSi PARAGRAPH BELOW FOR PROJECiS IN AREAS iHAT REQl11RE SEISMIC
RESIRAINTS.
1. INSTALL CARBON-S1EEL PIPE HANGERS FOR HORIZONTAL PIPING IN NONCORROSIVE
ENVIRONMENTS.
2. INSiALL CARBON-S7EEL PIPE SUPPORT CLAMPS FOR VERiICAL PIPING IN
NONCORR09VE ENNRONMENTS.
J. VERiICAL PIPING: M55 iYPE 8 OR i1PE 42, CLAMPS.
4. INSiALL INDIN�VAL, SIRAIGHT, HORIZONiAL PIPING RUNS:
a. 100 FEET AND LESS: M55 TVPE 1, ADJUSTABLE, 4EEL CLENS HANGERS.
b. LONGER 7HAN 100 FEET: MSS TYPE 43, ADJl15TA8LE ROLLER HANGERS.
a LONGER iHAN 100 FEET IF IN�ICAiED: M55 iYPE 49, SPRING CUSHION ROLLS.
5. MULPPLE, S7RAIGHT, HORRONTAL PIPING RUNS 100 FEET OR LONGER: M55
TYPE 44, PIPE ROLLS. SUPPORT PIPE ROLLS ON TRAPEZE.
6. BASE OF VER➢CAL PIPING: MSS TYPE 52, SPRING HANGERS.
B. INSIALL HANGERS FOR PVC PIPING, WI1H MAXIMUM HORIZONIAL SPACING AND MINIMUM
ROD �IAMETERS, TO COMPLY WITH MANUFACTURER'S WRITiEN WS7RUCTION$ LOCALLY
ENFORCED CODES, AND AUIHORIiIES HAVING JURISDICTION REOUIREMENTS, WHICHEVER
ARE MOSi SiRINGENi.
fl SOPPORT HORIZONiAL PIPING AND RIBING lN7HIN 12 INCHES OF EACH Fli➢NG AND
COUPLING.
D. SOPPORT VERTICAL RUNS OF PVC PIPMG TO COMPLY WIiH MANUFACiURER'S WRITTEN
WS7RUCTIONS, LOCALLY ENFORCE� CO�ES, AND Al1THORIPES HANNG JURIS�IC710N
REOUIREMENTS, WHICHEbER ARE MOST S7RINGENT.
bA CONNECPONS
COORDINATE PIPING INSTALLATIONS AND SPEQALTY ARRANGEMENTS WITH DRAWINGS AND WI7H
REOUIREMENTS SPEQFlED IN PIPING SYS7EM5. IF �RAWINGS ARE ERPLICIi ENOUGH, THESE
RWUIREMENTS MAY BE REDl10E0 OR OMIT7E�.
A. DRAWINGS INDICAIE GENERAL ARRANGEMENT OF PIPING, FlTTINGS, AND SPECIAL7IES.
B. CONNECi SOIL AND WA4E PIPING i0 EXIERIOR SANRARY SEWERACE PIPING. USE
TRANSIPON FITTING TO JOIN DISSI�AILAR PIPING MAiERIALS.
c. coNNECT was� nNo v�NT PiPiNc To n�E Fo��ow�Nc:
RENSE FlRST FOUR SUBPARAGRAPHS BELOW TO SUIT PROJECT.
1. PWMBING FlXNRES: WNNECT WASTE PIPING IN SRES INDICAIE�, BUT NOT SMALLER
7HAN REOUIREO BY PWMBING CO�E.
2 PWMBING FIXTURES AN� EQUIPMENT: CONNECT A7MOSPHERIC VENT PIPINC IN SIZES
IN�ICAiEO, BUT NOT SMALLER iHAN REQUIRED BY AU7HORIilES HAWNG
JURISDICiION.
7. PWMBING SPECIALTIES: CONNECT WASTE AN� VENT PIPING IN SIZES IN�ICAIED, BUT
NOT SMALLER THAN REQUIRE� BY PWMBING CO�E.
�. WHERE IN4ALLING PIPING ADJACENT ID EQUIPMENT, ALLOW SPACE FOR SERVICE AND
MAINTENANCE OF EQl11PMENT.
JS FlELD QUALITY CON7ROL
POR710NS OF lESiING AN� INSPEC710N REQUIREMEN75 IN iHIS ARTICLE ARE iAKEN FROM
MODEL PLUMBING CODES. REWSE IF REQUIREMENiS VARY.
A. DORING INSTALLAlION, NOPFY AUhIORITIES HANNG JURISDICiION AT LEAST 24 HOURS
BEFORE WSPECiION MUST BE MADE PERFORM TESiS SPECIFlE� BELOW IN PRESENCE OF
AU7HORITIES HANNG JIIRISDICTION.
1. ROUGHING-IN INSPEC110N: ARRANGE FOR INSPECiION OF PIPING BEFORE
CONCEALING OR CLOSING-IN AFTER ROUGHING-IN AND BEFORE SETiING FIXTl1RE5.
2 FINAL INSPECTION�. ARRANGE FOR FINAL INSPECTION BY AUhIORITIES HAVING
JIIRIS�ICTION TO OBSERVE iESTS SPEQFlE� BELOW AN� ID ENSURE COMPLIANCE
W1TH REQIIIREMENTS.
B. REINSPECPON: IF AUTHORIPES HANNG JURISDICiION FIND 7HAT PIPING WILL NOT PASS
iESi OR INSPECiION, MAKE REQUIRED CORRECilONS AN� ARRANGE FOR REINSPEC710N.
C. REPORTS: PREPARE INSPECTION REPORTS AND HAVE THEM SIGNE� BY AOhIORITIES
HAVING JORISDICTION.
D. TEST SANITARY WAS7E AN� VENT PIPING ACCORDINC TO PROCE�URES OF AU7HORITIES
HANNG JURISOICTION OR,IN ABSENCE OF PUBLISHED PROCE�URES, AS FOLLOWS:
L IEST FOR LEAKS ANO �EFECTS IN NEW PIPING AN� PARTS OF EXISTING PIPING THAT
HAVE BEEN AL7ERE� E%IEN�E� OR REPAIRE�.
I I P
a F 1ESiING 5 ERFORME� IN SEGMENIS, SUBMII SEPARAIE REPORI POR EACH
lESi, COMPLEIE WI7H �IAGRAM OF POR710N OF PIPING lESiED.
2. LEAVE UNCOVERE� AND UNCONCEALE� NEW, ALIERE�, E%iEN�E�, OR REPLACED
WASiE AND VENi PIPINC UNiIL li HAS BEEN lESiED AN� APPROVEO.
a ENPOSE WORK THAT WAS WVERED OR WNCEALED BEFORE IT WAS TESTED.
3. ROUGHING-IN PWMBING TESi PROCEDORE: TEST WAS7E AND VENT PIPING E%CEPT
OUTSIDE LEADERS ON COMPLEPON OF ROOGHING-IN.
a. CLOSE OPENINGS IN PIPING SYS7EM AN� FlLL WI7H WAIER TO POINT OF
OVEftFLOW, BUT NOT LESS IHAN 10-FOOT HEA� OF WAIER.
b. FROM 15 MINUIES BEFORE INSPEC710N SiAR1S i0 COMPLEPON OF INSPEC110N,
WAiER LEVEL MUSi NOi �ROP.
c. WSPECT JOINTS FOR LEAKS.
4. FINISHED PWMBING TEST PROCEDURE: AF7ER PWMBING Fl%IDRES HAVE BEEN SET
AND TRAPS FlLLED WITH WAIER, lEST CONNECTIONS AND PROVE THEV ARE
GASTIGHT AND WAiERTIGHT.
a. PWG VENT-STACK OPENINGS ON ROOF AN� BUILOING �RAINS WHERE 7HEY
LEAVE BUILDING.INiRODUCE AIR INTO PIPING SYS7EM EQUAL TO PRESSURE OF
1-INCH WG.
b. USE U-TOBE OR MANOMEiER INSERiED IN iRAP OF WAiER CLOSET TO
MEASURE 7H15 PRESSURE.
c. AIR PRESSURE MUST REMAIN CONSTANT WIiHOUT INiRO�OCING ADDIPONAL AIR
hIR0UGH0UT PERIO� OF INSPECiION.
d. INSPECi PLUMBING FIXNRE CONNECPONS FOR GAS AND WAiER LEAKS.
5. REPAIR LEAKS AN� DEFECTS N11H NEW MAiERIALS AN� REiEST PIPING OR PORPON
1HEREOF, UN71L SAiISFACiORY RESULiS ARE OBiAMED.
6. PREPARE REPORTS FOR iES7S AND REQUIRED CORRECiIYE ACTION.
3.fi CLEANING AND PROTECTION
A. CLEAN W7ERIOR OF PIPMG REMOVE �IRT AN� �EBRIS AS WORK PROGRESSES.
B. PROIECT SANITARY WAS7E AN� VENT PIPING DURING REMAINDER OF CONS7RUCTION
PERIOD i0 AV01� CLOGGING W1iH DIRi AN� DEBRIS AN� i0 PREVENi DAMAGE FROM
iRAFFlC AND CONSiRUCiION WORK.
C. PLACE PWGS W EN�S OF UNCOMPLETED PIPING AT END Of DAY AND WHEN WORK
STOPS.
CONSIDER USING OTHER PIPING OR SPECIFY PROIECPON BY SHIEL�ING OR LIGHiWEIGHT
WSULAPON IF PIPING SORFACE IEMPERATURES ARE EXPECiED TO ERCEE� 140 �EG F(fi0
�EG C).
D. EXPOSED PVC PIPING: PROiECT PWMBING 1�ENT5 E%POSEO TO SUNLIGHT WITH TWO
COATS OF WAIER-BASE� LATEX PAINT
E. REPAIR DAMAGE i0 AOJACENi MAiERIALS CAUSEO BY WASiE AN� �ENi PIPING
INSTALLATION.
3.� aiaiNc scHEou�
RETAIN AN� REVISE APPLICABLE PIPING APPLICAiIONS IN 1HI5 AR110.E COOR�INAiE Wlhi
MAIERIALS SPECIFlED. REV6E i0 SUIi PROJEC7.
A FLANGES AND UNIONS �AAY BE USED ON AB0I�EGROOND PRESSURE PIPING UNLE55
OTHERWISE IN�ICAIE�.
RETAIN " ANY OF' OPTION W FIRST PARAGRAPH BELOW TO ALLOW CONTRACTOR TO SELECT
PIPING MATERIALS FROM THOSE RETAINED.
B. ABOVEGROUND, SOIL AN� WAS7E PIPING NPS 4 AN� SMALLER SHALL BE lHE FOLLOWING:
RETAIN ONE OR MORE OF FIRSi SEVEN SUBPARAGRAPHS BELOW.IF MORE iHAN ONE iVPE OF
MAIERIAL AND JOINING MEiHO� IS OSEO, I�ENiIFV VARIOOS MAIERIALS ON DRAWINGS ANO
SHOW POINTS OF TRANSITION FROM ONE MATERIAL TO ANO7HER.
1. SOLID-WALL OR CELWLAR-CORE PVC PIPE, PVC SOCKEi FITTINGS, AND
SOLVENT-CEMENTED JOINTS.
RETAIN " ANY OF" OPTION W FIRST PARAGRAPH BELOW i0 ALLOW CONTRACTOR TO SELECT
PIPING MATERIALS FROM THOSE RETAINED.
RETAIN ' ANY OF' OPTION W FIRST PARAGRAPH BELOW TO ALLOW CONTRACTOR TO SELECT
PIPING MATERIALS FROM THOSE RETAINED.
C. ABOVEGROUNO, VENT PIPING NPS 4 AND SMALLER SHALL BE THE FOLLOWING:
RETAIN ONE OR MORE OF FIRST SEVEN SUBPARAGRAPHS BELOW.IF MORE iHAN ONE iVPE OF
MAIERIAL AND JOINING METHO� IS OSEO, I�ENTIFV VARIOUS MATERIALS ON DRAWINGS ANO
SHOW POINTS OF TRANSITION FROM ONE MATERIAL TO ANO7HER.
1. SOLID-WALL OR CELWLAR-CORE PVC PIPE, PVC SOCKEi FITTINGS, AND
SOLVENT-CEMEMED JOINTS.
RETAIN ' ANY OF" OPTION W FIRST PARAGRAPH BELOW i0 ALLOW CONTRACTOR TO SELECT
PIPING MATERIALS FROM THOSE RETAINED.
RETAIN " ANY OF' OPTION W FIRST PARAGRAPH BELOW TO ALLOW CONTRACTOR TO SELECT
PIPING MATERIALS FROM THOSE RETAINED.
EN� OP SECiION 221316
SECTION 233113 - METAL DUCTS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
RE7AIN OR DELEIE iHIS ARTICLE IN ALL SEC110N5 OF PROJECi MANUAL.
A. �RAVANGS AND GENERAL PROVISIONS OF hiE CONIRACT,INCWDING GENERAL AND
SUPPLEMENTARV CONDITIONS AND DMSION 01 SPEQFlCAPON SECTIONS, APPLV TO hIIS
SECTION.
12 SUMMARY
n. secnoN iNcwoes:
1. SINGLE-WALL RECTANGULAR DUCTS AN� FlTiINGS.
z. siNc�E-wn�� RouNo oucTs nNo rirnNcs.
3. SHEEi MEiAL MAiERIALS.
4. SEALANTS AND GASKEiS.
5. HANGERS ANO SUPPOR75.
13 ACPON 509MITTALS
A. PRODOCT DATA FOR EACH TWE OF 7HE FOLLOWING PRO�UCTS:
1. 11NER5 AN� A�HESIVES.
2. SEALAN7S AND GASKE75.
PART 2 - PRODl1CTS
MANUFACIDRERS AND PRO�UCiS LISTED IN SPECAGENT AN� MAS7ERWORKS PARAGRAPH
BUILDER ARE NEIIHER RECOMMENDED NOR ENDORSED BY hiE AIA OR AVIiRU. BEFORE
INSERIING NAMES, VERIFY hiAi MANUFACNRERS AND PRO�UCiS LISiED hiERE COMPLY W1iH
REQUIREMEN7S REiAMED OR REVISE� IN DESCRIP710NS AND ARE BOiH AVAILABLE AND
SUITABLE FOR hiE IN7EN�E� APPLICATIONS. FOR DEFINIPONS OF IERMS AND REQl11REMENTS
FOR WNiRACiOR'S PRO�UCi SELECiION, SEE SEC110N 016000 °PRO�UCi REQUIREMEN7S.°
21 PERFORMANCE REOUIREMENTS
RETAIN 'bELEGATED DUCT DESIGN" PARAGRAPH BELOW IF CONTRACTOR IS REQOIRE� TO
ASSUME RESPONSIBILITY FOR DUCT CONS7Rl1CTI0N �ESIGN. SOME JURIS�ICiIONS MAY HAVE
MORE SiRINGENT REQUIREMENTS THAN SMACNA. CONSULT AUTHORI11E5 HAVING JURIS�ICPON.
RETAIN "AIRS7REAM SURFACES,' "ASHRAE COMPLIANCE,' OR 'ASHRAE/IES COMPLIANCE"
PARAGRAPH BELOW TO COMPLY WI1H SUSTAINABIE �ESIGN SCHEMES 7HAT REOUIRE
COMPLIANCE W1hl ASHRAE 621 AN� ASHRAE/IES 90.1.
A. AIRSIREAM SURFACES: SURFACES IN CONiACi W1iH AIRSIREAM SHALL COMPLY W1hi
REQUIREMEN7S IN ASHRAE 62.1.
B. ASHRAE COMPLIANCE APPLICABLE REOUIREMENTS IN ASHRAE 62.1, SECTION 5-
"SYSTEMS AND EOUIPMENT," AND SECPON 7-°CONS7ROCTION AND SK7EM STARTIP.
C. ASHRAE/IES COMPLIANCE: APPLICABLE REQUIREMENTS IN ASHRAE/IES 90.1,
SEC710N 6.4.4 -"HVAC SVS7EM WNSTRUCTION AND INSULAiION."
D. DOCT DIMENSIONS: 11NLE5S OTHERWISE INDICAIED, ALL �UCi DIMENSIONS IN�ICAIE� ON
DRAWINGS ARE INSI�E CLEAR DIMENSIONS AN� �0 NOT INCLU�E INSIILATION OR DOCT
WALL iHICKNESS.
2.2 SINGLE-WALL RECiANGULAR DUCiS ANO FRIINCS
SEE °SiAPC-PRESSURE CLASSES" AN� "LEAKAGE ANO SEAL CLASSES" ARiICLES IN iHE
EVAWATIONS FOR DISCUSSION ON FABRICAiION.
A. GENERAL FABRICATION REOUIREMENTS: COMPLY WI1H S�AACNA'S "HVAC DUCT
CONS7RUCilON 51ANDAR05 - ME1AL AN� FLE%IBLE" BASED ON IN�ICAIE�
STATIC-PRESSORE CLA55 ONLESS OhIER'MSE INDICATED.
1. CONSTRUCT DUCTS OF GALVANIZED SHEET STEEL UNLESS OhIERWISE INOICATED.
8. 7RANSVERSE JOINTS FABRICAIE JOINTS IN ACCOR�ANCE WITH SMACNA'S "HVAC DUCT
CONS7ROCTION STANDAR�S - METAL AN� FLENIBLE," FlGURE 2-1, "RECTANGULAR
DOCT/TRANSVERSE JOINTS; fOR SiATIC-PRESSl1RE CLASS, APPLICABLE SEALING
REQUIREIAENiS, MATERIALS INVOLVED, DUCi-SUPPORT MTERVALS, AND O7HER
PROVISIONS IN S�AACNA'S "HVAC DUCT CONS7ROCTION STANDAROS - METAL AN�
FLEXI9LE."
L FOR DUCTS W1TH LONGESi SIDE LESS 7HAN 3fi INCHES, SELECT JOMT 71PES IN
ACCOR�ANCE WITH FlGl1RE 2-1.
C. LONGIiU01NAL SEAMS: SELECT SEAM TYPES AN� FABRICAIE IN ACCOR�ANCE 1NiH
SMACNA'S "HVAC Ol1CT CONSTRUCPON STAN�AR�S - METAL AND FLEXIBLE,'
FlGURE 2-2, "RECTANGULAR DUCT/LONGITl1�INAL SEAMS," FOR STATIC-PRESSURE
CLASS, APPLICABLE SEALING REQIIIREMENTS, MATERIALS INVOLVED, DUCT-SOPPORT
MiERVALS, AND O7HER PROVISIONS M SMACNA'S "HVAC DOCT CONSiROCPON
STANOARDS - METAL AND FLEXIBLE" ALL LONGITODINAL SEA�AS SHALL BE PIiTSBORGH
LOCK SEAMS UNLESS O7HERlNSE SPECIFlED FOR SPECIFlC APPLICA710N.
0. ELBOWS 7RANSITIONS OFFSETS BRANCH CONNECPONS AN� OTHER DUCT
CONS7ROCTION: SELECT TYPES AN� FABRICATE IN ACCOR�ANCE WITH SMACNA'S "HVAC
DOCT CONS7ROCTION STANDARDS - METAL AN� FLERIBLE," CH. 4, °FITTINGS ANO OTHER
CONS7ROCilON ° FOR STAIIC-PRESSORE CLA55 APPLICABLE SEALING RE UIREMENTS
Q
MAiERIALS INVOLVED �UCi-SUPPORi INiERVALS AND O1HER PROVISIONS IN SMACNA'S
"HVAC DUC7 CONSiRUC710N SiANDARDS - METAL AN� FLEXIBLE.°
23 SINGLE-WALL ROUND DOCTS AND FITTINGS
SEE 'STATIC-PRESSORE CLASSES" AND "LEAKAGE AN� SEAL CLASSES" ARTICLES IN THE
EVAWATIONS FOR DISCUSSION ON FABRICATION.
A. GENERAL FABRICATION REOUIREMENTS: COMPLY WIiH SMACNA'S "HVAC DUCT
CONS7ROCTION STANDAR�S - METAL AN� fLE%IBLE," CH. 3, "ROUND, OVAL, AND
FLEXIBLE OUCT,' BASE� ON INDICAIED STATIC-PRESSURE CLASS ONLESS OTHERWISE
INDICATED.
1. CONSTRUCT DUCTS OF GALVANIZED SHEET SiEEL UNLESS OhIER'MSE INOICATE�.
B. 1RANSVERSE JOINiS: SELECi JOINi iYPES AND FA6RICAff IN ACCORDANCE W1iH
SMACNA'S "HVAC �UCT CONSTRUCPON STAN�AR�S - METAL AN� FIEXIBIE,°
FICURE 3-1, "ROUN� �UCT TRANSVERSE JOMTS; FOR STAPC-PRESSURE CLASS,
APPLICABLE SEALING REOUIREMENTS MAiERIALS INVOLVEO �UCT-SUPPORT MiERVALS
AN� OTHER PRONSIONS IN SMACNA'S 'HVAC �UCT CONSTRUCiION STAN�AR�S - METAL
AN� FLERIBLE."
OP710N IN SUBPARAGRAPH BELOW IS SMACNA'S REOUIREMENT. WSERT SMALLER DIMENSION
FOR MORE STRMGENT REQUIREMENT.
G LONGINDINAL SEAMS: SELECi SEAM iYPES AND FABRICAIE IN ACCOR�ANCE Wlhi
SMACNA'S "HVAC OUCT CONSTRUCPON STAN�AR�S - METAL AND FIEXIBIE,'
FlGURE 3-2, "ROUNO �l1CT LONGITII�INAL SEAMS,' FOR STATIC-PRESSURE CLASS,
APPLICABLE SEALING REOUIREMENTS MAiERIALS INVOLVEO �UCT-SUPPORT MiERVALS
AN� OTHER PRONSIONS IN SMACNA'S 'HVAC �UCT CONSTRUCiION STAN�AR�S - METAL
AN� FLERIBLE."
D. IEES AND LATERALS: SELECT TYPES AN� FABRICATE IN ACCOR�ANCE WITH SMACNA'S
"HVAC �OCT CONSiRUCPON STANDARDS - MEiAL AND FLEXIBLE" FlGORE 3-5 "90
DEGREE IEES AND LATERALS° AND FIGURE .S-fi "CONICAL TEES" FOR
STATIC-PRESSORE CLA55, APPLICABLE SEALING RE�UIREMENTS, AIAIERIALS INVOLVED,
DUCi-SUPPORi W7ERVALS, AN� OiHER PROVISIONS IN SMACNA�S "HVAC �UCT
CONS7RUCilON SiANDAR�S - MEiAL AND FLE%IBLE."
24 SHEET IAETAL MAIERIALS
A GENERAL MATERIAL REOUIREMENiS: COMPLY WI7H SMACNA'S 'HVAC �UCT CONSTRUCTION
STAN�ARDS - METAL AND FLEXIBLE" FOR ACCEPTABLE MATERIALS, MATERIAL
7HICKNESSES, AN� DUCT CONSTRUC➢ON ME7HODS UNLE55 OTHERWISE INDICAiED. SHEET
METAL MAiERIALS SHAl1 BE FREE OF PIT7INQ SEAM MARNS, ROLLER MARNS, STAWS,
DISWLORA710NS, AN� OTHER IMPERFEC710N5.
SEE 'SHEET METAL MAIERIALS" ARTICLE IN 7HE EVAWAlI0N5 FOR DISCUSSION ON APPLICABLE
MATERIALS AN� COATINGS IN "GALVANIZED SHEET S7EEC'; "PVC-COAIE�, GALVANIZED SHEET
STEEC; "CARBON-STEEL SHEETS"; 'STAWLESS-STEEL SHEETS"; AN� "AW�AINl1�A SHEETS'
PARAGRAPHS BELOW.
8. GALVANIZE� SHEET STEEC WMPLY WIiH ASTM A657/Afi53M.
i. cn�vnNrzEo connNc oEsicNnnoN: [csa (ziao)7 [cso (zz�s)].
2. FINISHES FOR SURFACES EXPOSED 10 VIEW: MILL PHOSPHAIIZE�.
ANiIMICROBIAL COAPNG IN °FACiORY- OR SHOP-APPLIED ANiIMICROBIAL COA➢NG"
PARAGRAPH 6ELOW IS AN OPiIONAL FEANRE AND USUALLY APPLIED ONLY AFiER
FA9RICAiION i0 �OC7S FA9RICAlE� W1iH GALVANIZE� SHEET SiEEL SEE iHE EVAWAPONS
FOR 06COSSION ON COATINGS.
C. REMFORCEMENT SHAPES AND PLATES: AS7M A3fi/A36M, S7EEL PLAlES, SHAPES, AN�
BARS; BLACK AND GALVANIZED.
1. WHERE BLACN- AN� GALVANIZED-STEEL SHAPES AN� PLAlES ARE USE� TO
REWFORCE AWMINUM �UCTS,ISOLATE THE �IFFERENT METALS W1TH BUM RUBBER,
NEOPRENE, OR EP�M GASKET MAiERIALS.
25 SEALANT AN� GASKETS
A. GENERAL SEALANT AND GASKET REOUIREMENTS: SORFACE-BORNING CHARACTERIS7ICS
FOR SEALANTS AN� GASKETS SHALL BE A MA%IMUM FLAME-SPREA� INOE% OF 25 AN�
A MAXIMUM SMOKE-0EVELOPED IN�EX OF 5� WHEN TES7E� IN ACCOROANCE WI7H
UL 723; CERiIFIE� BY AN NRiL.
SEE SMACNA'S °HVAC �UCi WNSiRUCiION SiAN�ARDS - MEiAL AND FLEXIBLE' FOR
DISCUSSION ON SEAM AND JOINi SEALING MEhiO�S AND iHEIR APPLICA710N5. RETAIN ONE OR
MORE OF '7W0-PART TAPE SEALING SYSTEM,° 'WAiER-BASED JOINT AN� SEAM SEALANT,'
AN� 'SOLVENT-BASE� JOINT AN� SEAM SEALANT" PARAGRAPHS BELOW; IDENiIFY WHICH
SEALING SYS7EM APPLIES TO WHICH �UCT SYSiEM IN 'DUCT SCHEDULE" ARTICLE.
RETAIN "WAIER-BASE� JOINT AN� SEAM SEALANT' OR 'SOLVENT-BASED JOINT AN� SEAM
SEALANT" PARAGRAPH BELOW.IF RETAINING SECON� PARAGRAPH, VERIFV ACCEPTABILIN W1hl
AUTHORIilES HANNG JURIS�ICPON.
8. WAiER-BASED JOINT AN� SEAM SEALANT:
1. APPLICAiION MEiHOD: BRUSH ON.
2 SOLIDS CONIENT: MINIMUM 65 PERCENT.
3. SHORE A HARDNESS: MINIMUM 20.
4. WAIER RESISiANT.
5. MOL� AND MILDEW RESISTANT
fi. VOC: MA%IMOM 75 G/L (LE55 WATER).
7. MARIMUM STATIC-PRESSORE CLASS: 10 INCH WG, POSI7IVE AN� NEGAiII�E.
8. SERVICE INDOOR OR OU7DOOR.
9. SUBS7RATE COMPAIIBLE WIIH GALVANIZED SHEET S7EEL (BOiH PVC COATED AN�
BARE), STAWlESS STEEL, OR AWMINUM SHEEiS.
C. SOLVENT-BASE� JOINi AND SEAM SEALANi:
1. APPLICAlION MEIHOD: BRUSH ON.
2 BASE: SYNTHEPC RUBBER RESIN.
3. SOLYENT: TOLUENE AND HEPTANE.
4. SOLI�S CON1ENi: �INIMUM 60 PERCENT.
5. SHORE A HARDNESS: MINIMOM 60.
6. WATER RESISTANT
7. MOLD AN� MIL�EW RESISiANi.
SOBPARAGRAPH BELOW APPLIES TO LEEO 2009 NC, CI, AN� CS, LEED V4; IGCC;
ASHRAE 189.1; AND GREEN GLOBES.
8. SEALANT SHALL HAVE A VOC WN7ENT OF 420 G/L OR LESS.
SUBPARAGRAPH BELOW APPLIES ID LEE� 20W FOR SCHOOLS CRE�IT IEO 4.1.
9. SEALANi SHALL COMPLY WI7H iHE iESiING AN� PRODUCi REOUIREMENiS OF hiE
CALIFORNIA �EPAR7MENT OF PUBLIC HEALiH'S "STANDARD ME7H0� FOR THE
iESiING AN� EVALUAlION OF VOLAiILE ORGANIC CHEMICAL EMISSIONS FROM INDOOR
SOURCES USING ENUIRONMENTAL CHAMBERS."
10. MA%IMUM SiAiIC PRESSURE CLASS: 10 INCH WC, POSIIIVE OR NEGAiIVE.
11. SERVICE IN�OOR OR OU7DOOR.
12 SOBSTRAIE: COMPAPBLE W1hl GALVANIZE� SHEET STEEL (BOTH PVC COAIE� AND
BARE), STAWLE55 4EEL, OR AWMINUM SHEETS.
D. FLANGE� JOINT SEALANT: COMPLY WI7H ASTM C920.
1. GENERAL SINGLE-COMPONENT, ACID-CURING, SILICONE, ELASTOMERIC.
2. TVPE: 5.
3. GRA�E: NS.
4. CLASS 25.
5. USE: 0.
SOBPARAGRAPH BELOW APPLIES TO LEE� 2009 NC, CI, AN� CS, LEED V4; IGCC;
ASHRAE 189.1; AND GREEN GLOBES.
6. SEALANT SHALL HAVE A VOC WN7ENT OF 420 C/L OR LESS.
SUBPARAGRAPH BELOW APPLIES ID LEE� 2009 FOR SCHOOLS CRE�IT IEO 4.1.
7. SEALANi SHALL COMPLY WI7H iHE iESiING AN� PRODUCi REOUIREMENiS OF hiE
CALIFORNIA �EPAR1MENi OF PUBLIC HEALiH'S "SiANDARD ME7H0� FOR iHE
iESiING AN� EVALUAlION OF VOLAiILE ORGANIC CHEMICAL EMISSIONS FROM INDOOR
SOURCES USING ENUIRONMENTAL CHAMBERS."
E FLANGE GASKETS: 9UM ROB9ER, NEOPRENE, OR EPDM POLYMER 'Mhl
POLYISOBUTVLENE PLASTIQZER.
0-RING SEALS ARE GENERALLY AVAILABLE FOR �UCi FITTINGS 3 i0 24 INCHES (76 i0 610
MM) IN OIAMETER.
E ROOND DOCT JOINT 0-RMG SEALS:
1. SEAL SHALL PRONDE MAXIMUM LEANAGE CLASS OF 7 CFM/100 S0. FT AT 1-INCH
WG AN� SHALL BE RAiED FOR10-INCH WC STATIC-PRESSURE CLASS, POSIiII�E OR
NEGA7IVE.
REiAIN ONE OR BOhi SUBPARAGRAPHS BELOW. 7HESE ARE PROPRIEiARY SEALS PROVIDED ON
FACiORY-FABRICAIE�, ROUN� �UCi FIiiING JOIMS AN� CONSiRUC7E� W1iH SPEQFlC
�IMENSIONS i0 ENSURE A PROPER SEAL.
2 EPDM 0-RING TO SEAL IN CONCAVE BEAD IN COUPLING OR FITTING SPIGOi.
3. DOUBLE-LIPPEq EPDM 0-RING SEAL, MECHANICALLY FASiENE� TO
FACTORY-FABRICAIE� COUPLINGS AN� FIT7ING SPIGOTS.
2.fi HANGERS AND SUPPORTS
INDICAIE E%TENT OF CORROSIVE ENNRONMENT ON DRAWINGS.
A. HANGER R0�5 FOR NONCORROSIVE ENNRONMENTS: GALVANIZE�-STEEL RODS AN� NU7S.
B. HANGER RODS FOR CORROSIVE ENNRONMENIS: ELECIROGALVANIZE�, ALL-7HREA� R005
OR GALVAMZED RODS 'Mhl iHREADS PAMiED WI7H ➢NC-CHRO�AAIE PRIMER AF7ER
INSTALLA710N.
C. STRAP AN� R0� SIZES: COMPLY WIiH SMACNA'S "HVAC DUCT CONS7ROCTION
STANDARDS - MEiAL AND FLENIBLE," TABLE 5-1 (TABLE 5-1M), "RECiANGULAR �UCT
HANGERS MINIMUM SRE," AN� iABLE 5-2, °MINIMUM HANGER SRES FOR ROUND DUCi.°
D. STEEL CABLES FOR GALVAWZED-S7EEL DOCTS: GALVANIZED SiEEL COMPLIING W1TH
ASTM A607.
E SiEEL CABLES FOR STAWLESS-STEEL �UCTS: STAMLESS S7EEL COMPLVING W1TH
ASiM A492.
E SiEEL CA9LE END WNNECTIONS: GALVAWZE�-STEEL ASSEMBLIES Wlhi 9RACKETS,
SINVEL, AND BOLTS OESIGNED PoR DUCT HANGER SERVICE; WI7H AN
AOTOMATIC-LOCKING AND CLAMPING �ENCE.
G. DUCT ATTACHMENTS: SHEET METAL SCREWS BLIND RNETS OR SELFTAPPINC METAL
SCREWS; COMPATIBLE WITH DUCT MAiERIALS.
H. 1RAPEZE AND RISER SUPPORIS:
1. SUPPORTS PoR GALVAMZE�-STEEL DUCTS: GAWANIZED-S7EEL SHAPES AN�
PLAlES.
2 SUPPOR75 FOR STAINLESS-SiEEL DUCTS: STAWLESS-STEEL SHAPES AN� PLAlES.
3. SUPPORIS FOR ALUMINUM �UCiS: ALUMINUM OR GALVANIZED SiEEL COAIED W1iH
ZINC CHROMAiE.
COORDINATE SPECIFlCATIONS FOR SEISMIC-RESTRAINT COMPONENTS IN THIS ARTICLE W1TH
SiRUCIDRAL ENGMEER AND Wlhi �RAWINGS. SEE "SEISMIC CONSI�ERATIONS" ARPCLE IN THE
EVAWAPONS PoR �6CUSSION ON SEISMIC RESiRAINTS.
PART 3 - E%ECUiION
3.1 �OCi INSiALLAPON
COORDINATE �UCT LAYOUT AN� DUCT ACCESSORY ARRANGEMENT W1iH DRAWINGS.
A. DRAWING PLANS, SCHEMATICS, AND DIAGRAMS INDICAIE GENERAL LOCATION AND
ARRANGEMENi OF �UCi SYSiEM. INDICAiED DUCi LOCAilONS, CONFIGURA710NS, AND
ARRANGEMENiS WERE USED i0 SIZE �UCiS ANO CALCULAIE FRICiION LO55 FOR
AIR-HAN�LING EOUIPMENI SIZING AND FOR OiHER OESIGN CONSIDERA110NS.INSIALL
�OCT SYSTEMS AS INDICAIED ONLESS DEVIAPONS TO LAYOUi ARE APPROVED ON SHOP
�RAWINGS AND COORDINATION �RAVANGS.
B. INSiALL OUCTS IN ACCORDANCE WI7H S�AACNA'S "HVAC DUCT WNSTROCTION
STANDARDS - METAL AND FLE%IBLE° 11NLE55 O7HERWISE INDICAiED.
C. INSiALL �UCTS IN MA%IMOM PRACTICAL LENGTHS WITH FEWEST POSSIBLE JOINTS.
D. INSTALL FACTORY- OR SHOP-FABRICAIE� FIT7INGS FOR CHANGES IN �IRECTION, SIZE,
AN� SHAPE AN� FOR BRANCH CONNECTIONS.
E UNLE55 O7HERPoSE INDICAiED,INSiALL DUCiS VER7ICALLY AND HORRONTALLY, AND
anRauc� nNo aEaacNoicu�nR To eui�oiNc uNcs.
E WSTALL DUCTS CLOSE TO WALLS, OVERHEAD CONS7RUCTION, COWMNS, AN� OiHER
SiRUCiURAL AN� PERMANENT ENCLOSl1RE ELEMENTS OF BUIL�MG.
G. INSiALL �UCTS WI1H A CLEARANCE OF 1 INCH, PLUS ALLOWANCE FOR INSULAiION
iHICKNESS.
H. ROOIE DOCTS TO AVOID PASSING 1HROUGH iRANSFORMER VAULTS AN� ELECTRICAL
EOUIPMENT ROOMS AND ENCLOSURES.
I. WHERE DUCTS PASS THROUGH NON-FlRE-RATEO MTERIOR PARTIPONS AN� E%TERIOR
WALLS AN� ARE EXPOSE� TO VIEW, CWER 7HE OPENING BEiWEEN hIE PARTIPON AN�
�UCT OR �UCT INSULAlION WITH SHEET METAL FLANGES OF SAME METAL 7HICKNESS AS
iHE �UCT OVERLAP OPENINGS ON FOUR SI�ES BY AT LEAST 1-1/2 INCHES.
d ELBOWS: USE LONG-RADIUS ELBOWS WHEREVER hiEY FR.
L FABRICATE 90-0EGREE RECTANGOLAR MIIERE� ELBOWS TO INCW�E IURNING VANES.
2 FABRICATE 90-0EGREE ROUND ELBOWS W1TH A MINIMUM OF iHREE SEGMENTS FOR
12 MCHES (300 IAM) AND SMALLER AN� A MINIMUM OF FlbE SEGMENiS FOR 14
INCHES (350 MM) AND LARGER.
K. BRANCH WNNECTIONS: USE LAiERAL OR WNICAL BRANCH CONNECTIONS.
32 DUCi SEALINC
RETAIN ONE OF TWO PARAGRAPHS BELOW RETAW FlRST PARAGRAPH IF RETAINING
SOBPARAGRAPHS POR SEAL CLASS AN� LEAKAGE CLA55 IN "�OCT SCHE�ULE" ARPCLE;
OTHERWISE, DELEiE FIRST AND RETAIN SEWND PARAGRAPH.
A. SEAL �UCiS FOR �UCT STATIC-PRESSURE, SEAL CLASSES, AND LEAKAGE CLASSES
SPECIFlE� IN "DOCT SCHEDULE' ARTICLE IN ACCORDANCE W1TH SAIACNA'S "HVAC DOCT
CONSTRUC110N SiAN0ARD5 - METAL AND FLEXIBLE."
RETAIN PARAGRAPH BELOW PoR COMPLIANCE WI7H ASHRAE/IES 90.1, IN WHICH
SECiION 6.4.4.2.1 -"DUCi SEALING" REQUIRES A MINIMUM SEAL CLA55 FOR VARIOUS OUCT
LOCAPONS AN� PRESSORES INDICAiED IN PARAGRAPH.
B. SEAL �OCTS AT A MINIMUM TO iHE FOLLOWING SEAL CLASSES IN ACCOR�ANCE 'M7H
S�AACNA'S "HVAC DUCT CONSTROCTION STANDAR�S - METAL AND FLE%IBLE"'.
1. COMPLY W1hl SMACNA'S "HVAC �UCi CONSTRUCiION STAN�ARDS - METAL AN�
fLE%IBLE."
2 CONDIPONED SPACE SUPPLY-AIR DUCTS IN PRESSURE CLASSES 2-INCH WG AN�
LOWER: SEAL CLASS C.
3. CONDI710NE� SPACE, SUPPLY-AIR �UCiS IN PRESSURE CLASSES HIGHER iHAN
2-INCH WC: SEAL CLA55 B.
a. coNomoNeo sPnce, eerueN-nie oucrs�. sea� aass c.
33 HANGER AN� SUPPORi INS7ALLAilON
A. CO�APLV lNhl SMACNA'S "HVAC �UCi CONSTROCPON STANOARDS - METAL AND
REXIBLE," CHAP7ER 5, "HANGERS AN� SUPPORTS."
VERIFY ATiACHMENi SELEC710N AND SPACING IN °9UILDINC AiiACHMENiS" ANO °HANGER
SPACING" PARAGRAPHS BELOW W1iH S7RUCiURAL ENGWEER.
B. BUILDING ATTACHMENTS: CONCREiE INSERTS, POYNER-ACTOAiED FASiENERS, OR
STRUCiURAL-STEEL FASTENERS APPROPRIAIE FOR CONS7RUCTION MAIERIALS TO NHICH
HANGERS ARE BEING ATfACHE�.
1. WHERE PRACiICAL, INSTALL CONCRETE INSERTS BEFORE PLACING CONCREIE.
2. INSTALL POWDER-ACNAiED CONCREiE FASiENERS AF7ER CONCREiE IS PLACED
AN� COMPLEiELY CURE�.
3. USE POWDER-ACTUATED WNCREiE FAS7ENER5 FOR STANDARD-WEIGHT AGGREGAIE
CONCRETES OR FOR SLABS MORE iHAN 4 INCHES THICK.
4. DO NOT USE POW�ER-ACNATED WNCREIE FAS7ENERS FOR
LIGHPNEIGHT-AGGREGAIE CONCRETES OR FOR SLABS LESS THAN 4 INCHES THICK.
REiAM SUBPARACRAPH BELOW FOR PROJEC75 iHAT REQUIRE SEISMIC RESIRAINIS.
5. DO NOT USE POW�ER ACiUATED CONCREiE FAS7ENERS FOR SEISMIC RESiRAINTS.
C. HANGER SPAQNC COMPLY WIiH SMACNA'S "HVAC DUCT WNS7RIlCTION STANDAR�S -
METAL AND FLE%IBLE," iABLE 5-1, "RECTANGULAR DOCT HANGERS MINIMOM SIZE," AND
TABLE 5 2, "MINIMUM HANGER 9ZES FOR ROUN� Dl1CT,° PoR MAXIMUM HANCER
SPACING; INSiALL HANGERS AND Sl1PPORiS WIhIIN 24 MCHES OF EACH ELBOW AND
WI7HIN 48 MCHES OF EACH BRANCH INTERSECTION.
D. HANGERS EkPOSE� TO NEW 1HREADE� ROD AN� ANGLE OR CHANNEL SUPPORTS.
E. SUPPORi VER7ICAL �UCiS WIiH SiEEL ANGLES OR CHANNEL SECURED i0 1HE SI�ES OF
iHE DUCi Wlhl WELDS, BOLiS, SHEEi MEiAL SCREWS, OR BLIN� RIVEIS; SUPPORT Ai
EACH FLOOR AN� AT A MA%IMUM IMERVALS OF 16 FEET.
E WSTALL IIPPER AiiACHMENTS TO S7ROCTURES. SELECT AN� SIZE UPPER ATTACHMENTS
WI7H Pl1LL-OUT, 1EN510N, AND SHEAR CAPAQTIES APPROPRIAIE FOR SUPPORTED LOADS
ANO BIIIL�ING MAiERIALS WHERE USED.
3A CONNECPONS
COORDINATE �UCT INSiALLAPONS AND SPECIALTY ARRANGEMENTS 1517H DRAWINGS.
A. MAKE CONNEC710NS ID EQUIPMENT 'M7H FLE%IBLE CONNECTORS COMPLYING WI7H
SECTION 233300 'AIR DUCT ACCESSORIES.'
B. COMPLY WITH SMACNA'S "HVAC Dl1CT CONS7Rl1CilON STAN�ARDS - METAL AN�
FLEXIBLE" FOR BRANCH, OU7LEi AND MLET, AND iERMINAL UNIT CONNECiIONS.
J.5 STARNP
SOSTAINABLE DESIGN REOUIRING CO�APLIANCE WI7H ASHRAE 62.1 SHOULD BE COORDINATED
W1iH REQUIREMENTS OF SEC710N 7 °CONS7RUCilON AND SYSiEM SiARi UP"
A. AIR BALANCE: COMPLV WITH REQUIREMENTS IN SECiION 230593 "lESTING, ADJOSiING,
AND BALANCING FOR NVAC."
7.fi DUCT SCHEDOLE
A. FABRICAiE �UCTS WI7H GALVANIZED SHEET S7EEL E%CEPT AS OTHERWISE INDICAIE�
AND AS FOLLOWS:
L FABRICAiE ALL DUCiS TO ACHIEVE SMACNA PRESSURE CLASS, SEAL CLASS, AN�
LEAKAGE CLASS AS INDICAIE� BELOW.
RETAIN APPLICABLE SUBPARAGRAPHS IN 7H15 ARPCLE TO SET CRITERIA FOR PRESSURE CLASS,
�UCT SEAL-CLASS LEVEL, AN� �IICT-LEANAGE CLASS; OR DELEIE SUBPARAGRAPHS AN�
IN�ICAIE PRESSURE CLASS, �UCT SEAL-CLASS LEVEL, AND �UCT-LEAKAGE CLASS ON
�RAWINGS.IF RETAINING DUCT SEAL AN� LEAKAGE REQUIREMENTS IN 7H15 ARIICLE, RETAIN
FlRST PARAGRAPH IN 'bUCT SEALING" ARTICLE. BO7H SEAL CLASS AN� LEANAGE CLA55 ARE
INCWDE� IN THIS ARTICLE AND EIhIER ONE CAN BE �ELETE�, OR BOiH CAN REMAIN IF iHEY
ARE CONSISIENT.
PARAGRAPHS BELOW ARE E%AMPLES OF BROA� SYSTEM CLASSIPICAlI0N5. RENSE i0 SUIi
PROJECi OR INDICAIE REQUIREMENTS ON DRAWINGS IF A MORE REFlNE� CLAS9FlCATION IS
aEowRco.
SEE ASHRAE DUCT LEAKAGE RECO�AMENDATIONS M 2016 ASHRAE HANDBOOK -"HVAC
SYSiEMS AND EQUIPMENT," CH. 19, "�UCT CONSTROC110N."
SOSTAINABLE DESIGN REOUIRING CO�APLIANCE WI7H ASHRAE IES 90.1 MUST COMPLV W1hl
�
REOUIREMENiS OF SECiION 6.4.4.2.1 -°DUCi SEALING° WHICN RE UIRES A MINIMUM
0
SEAL-CLASS LEVEL (A, B, OR C) FOR VARIOUS �UC1 LOCA110NS AND PRESSURES AN�
SPECIFlES SEAL-CLASS LEVELS FOR JOIMS AND SEAMS IN �UCiS LOCAiED OUi�00R5,IN
UNCONDI110NED SPACES AN� IN CONDIiIONED SPACES. RE7AIN SECOND PARAGRAPH IN "DUCi
SEALING' ARTICLE IF APPLYING FOR SUSTAINABIE �ESIGN CERiIFICA710N AN� RE�UIREMENTS
ARE NOT DEFlNE� W THIS ARiICLE OR IN�ICATE� ON DRAWINGS.
B. SUPPLY DUCTS:
1. DOCTS CONNEC7E� ID FAN COIL UNITS, FURNACES, HEAT PUMPS, AN� TERMINAL
ONITS:
o. PRESSURE CLA55: POSIIIVE 2-INCH WG.
b. MINIMUM SMACNA SEAL CLASS: C.
u SMACNA LEAKAGE CLASS PoR RECTANGULAR: 16.
d. SMACNA LEANAGE CLASS FOR ROUN� AN� FLAT OVAL: 16.
C. REiURN DUC1S:
1. DOCTS CONNEC7E0 TO FAN COIL UNITS, FURNACES, HEAT POMPS, AN� iERMINAL
ONITS
o. PRESSl1RE CLA55: POSIiIVE OR NEGA7IVE 2-INCH WG.
b. MINIMUM SMACNA SEAL CLASS: C.
c. SMACNA LEAKAGE CLASS FOR RECTANGULAR: 16.
d. SMACNA LEANAGE CLASS FOR ROUN� AND FLAT OVAC 16.
D. ELBOW CONFlGURATION:
RETAIN ONE OF iW0 'RECTANGULAR �UCY SUBPARAGRAPHS BELOW. RETAM FlRST
SUBPARAGRAPH i0 SEi �IFFERENi REQUIREMENiS FOR VARIOUS VELOCIiIES; SEWND, i0 SEi
iHE SAME REQUIREMEN75 POR ALL VELOCIiIES.
1. RECiANGULAR �UCT: COMPLY WI1H SMACNA�S "HVAC �UCT CONS7RUCilON
STANDAR�S - METAL AN� FLENIBLE,' FIGURE 4-2, "RECTANGULAR ELBOWS.'
a. VELOCIiY 1000 FPM OR LOWER:
1 RA0105 TWE RE 1 W1TH MINIMOM 0.5 RA�WS-TO-DIAMETER RAPO.
2) MIiERED TME RE 4 WIiHOUT VANES.
b. bELOCITY 1�00 TO 1500 FPM:
1) RA�IUS IYPE RE 1 W1TH MINIMUM 1.0 RADIUS-TO-0IAMETER RA110.
2) RA�IUS iYPE RE 3 WI7H MINIMUM 0.5 RA�WS-TO-�IAMEIER RATIO ANO
PNO VANES.
J) MIiERED TYPE RE 2 WIiH VANES COMPLYING W1iH SMACNA'S "HVAC �UCT
CONSiRUCiION STANDAR�S - METAL ANO FLE%IBLE,' FlGURE 4-3, "VANES
AN� VANE RUNNERS; AND FlGURE 4-4, 'VANE SUPPORT M ELBOWS."
c. VELOCIiY 1500 FPM OR HIGHER:
1) RA�IUS TYPE RE 1 W1TH MINIMUM L5 RA�IUS-TO-�IAMETER RA110.
2) RADIUS iYPE RE 3 WI1H MINIMUM 1.0 RADIUS-iO-DIAMEffR RAi10 AND
iW0 VANES.
3) MIiERE� iYPE RE 2 Wlhi VANES COMPLYING W11H SMACNA'S "HVAC �OC1
WNSiRUCiION SiANDARDS - MEiAL AND FLE%IBLE,' FlGURE 4-3, "VANES
AN� VANE RUNNERS," AND FlGURE 4-4, 'VANE SUPPORT IN ELBOWS.'
2. RECTANGULAR �UCT: COMPLY WI7H SMACNA'S 'HVAC �UCT CONSiRUCTION
STAN�AR�S - METAL AN� FLE%IBLE,' FIGURE 4-2, "RECTANGULAR ELBOWS.'
a. RA�IUS iYPE RE 1 N1iH MINIMUM LS RA�IUS-iO-DIAMEiER RA710.
b. RA�WS TWE RE 3 WI1H MINIMUM 1.0 RADWS-TO-DIAMEIER RATIO AN� TWO
VANES.
c. MIIERE� T1PE RE 2 k1TH VANES COMPLYING WI1H SMACNA'S "HVAC DUCT
CONS7ROCTION STANDARDS - AIETAL AN� PLENIBLE," FIGURE 4-3, "VANES AND
VANE RUNNERS,° AN� FIGURE 4-4, �VANE SUPPORT IN ELBOWS."
3. ROUND DUCT: COMPLY VA1H SAIACNA'S "HVAC DUCT CONS7ROCilON STANDAROS -
MEiAL AND FLE%IBLE,° FlGURE 3-4, "ROUND DUCi ELBOWS.°
a. MINIMU�A RADWS-TO-DIAAIETER RATIO AND ELBOW SEGMENTS: COMPLY Wlhi
SMACNA'S "HVAC DOCT CONSTRUCPON STAN�ARDS - METAL AND FLEXIBLE,°
iABLE 3-1, "MIiERED ELBOWS.° EL60W5 WIiH LESS h1AN 90-0EGREE CHANGE
OF �IRECiION HAVE PROPORiIONAiELY FEWER SEGMENiS.
RETAIN "VELOCITY 1000 FPM (5 M/5) OR LOWER," "VELOCITY 1000 i0 1500 FPM (5 TO
7.6 M/5)," AND °VELOCIIY 1500 FPM (7.6 M�S) OR HIGHER° SUBPARAGRAPHS BELOW, OR
�ELEiE ALL AN� REiAIN 'RADIUS-i0 DIAMEIER RAi10" SUBPARAGRAPH.
1) VELOCIiY 1000 FPM OR LOWER: 0.5 RADIUS-TO-�IAMEiER RAi10 AND
hiREE SEGMENiS FOR 90-0EGREE ELBOW.
2) VELOCIiY 1000 i0 1500 FPM: 1.0 RA�WS-70-DIAMEiER RAPO AN� FOUR
SEGMENTS FOR 90-0EGREE ELBOW.
3) VELOQTY 1500 FPM OR HIGHER: 1.5 RADWS-TO-DIAMEiER RA710 AN� FlVE
SEGMENTS FOR 90-0EGREE ELBOW.
4) RADWS-TO DIAMEIER RATIO: 1.5.
b. ROUN� ELBOWS, 12 INCHES AND SMALLER IN �IAMEiER: STAMPEO OR PLEAIE�.
c. ROUN� EL60W5, 14 INCHES AND LARGER IN �IAMEiER: SiAN�ING SEAM.
�ELEiE "BRANCH CONFIGURAiION" PARAGRAPH BELOW IF BRANCH FIT11NG5 ARE INDICAIED ON
oRnvnNcs.
E. BRANCH CONFIGURATION:
1. RECTANGULAR DUCT: COIAPLY WITH SMACNA'S "HVAC DOCT CONS7Rl1C710N
STANDARDS - METAL AN� RE%IBLE; FIGURE 4-Q "BRANCH CONNECTION."
o. RECTANGULAR MAIN TO RECTANGULAR BRANCH: 45-0EGREE EN7RY.
b. REC7ANGULAR MAIN i0 ROUN� BRANCH: CONICAL SPIN IN.
2. ROUND AN� FLAi OVAL COMPLY W1iH SMACNA'S "HVAC DUCi CONSiRUCPON
STANDARDS - METAL AN� FLE%IBLE; FlGURE 3-5, "90 �EGREE IEES AND
LAIERALS,' AN� FIGORE 3-6, 'WNICAL iEES.' SAO�LE TAPS ARE PERMIT7E� IN
EXISTING DUCT.
a. VELOCRY 10W FPM OR LOWER: 90-DEGREE iAP.
b. VELOCITY 1000 TO 1500 FPM: CONICAL TAP.
c. VELOQ7V 1500 FPM OR HICHER: 45-0EGREE LAIERAL.
EN� OF SECPON 233113
SECTION 233300 - AIR DUCT
ACCESSORIES
PART 1 - GENERAL
1.1 RELAIE� �OCUMEN75
RETAIN OR �ELEiE hilS AR7ICLE IN ALL SECilONS OF PROJECi MANUAL.
A. DRAWINGS AND GENERAL PRONSIONS OF THE CONTRACT,INCLU�ING GENERAL AND
SOPPLEMENTARY CONDIiIONS AND DINSION 01 SPEQFlCATION SECPONS, APPLY TO iHIS
SECTION.
12 SUMMARY
A. SECTION INCWDES:
1. MANOAL VOWME DAMPERS.
1.3 ACTION SUBMITfALS
A. PRO�UCT �AiA: FOR EACH iYPE OF PRODUC7.
1A CLOSEOOT SUBMITTALS
A. OPERAPON AN� MAINIENANCE �ATA: FOR AIR �UCT ACCESSOPoES TO INCLU�E IN
OPERAiION AND MAMiENANCE MANUALS.
PART 2 - PRO�UCTS
MANUFACNRERS AN� PRO�UCTS LISTEO IN SPECAGENT AN� MASTERWORNS PARAGRAPH
BUILDER ARE NEIiHER RECOMMENDE� NOR EN�ORSE� BY 7HE AIA OR ANiRLL BEFORE
INSERTING NAME$ VERIFY THAT MANUFACTURERS AN� PRODUCTS LIS1E� THERE COMPLY W17H
REOUIREMENTS RETAINE� OR REWSED IN �ESCRIPTIONS AN� ARE BO7H AVAILABLE AN�
SWiABLE FOR iHE INiENDED APPLICAilONS. FOR �EFINIilONS OF iERMS AND REOUIREMENTS
FOR CON7RACTOR'S PRODUCT SEIEClION, SEE SECTION 016000 "PRODUCT REQUIREMENTS"
2.1 ASSEMBLY DESCRIPiION
A. COMPLY W1TH NFPA 90A, "INSTALLAiION OF AIR CONDITIONING AND VEN➢LAIING
SYSiEMS," AND'Mhl NFPA 90B, "INSTALLAPON OF WARM AIR HEAPNG AND AIR
CON�IiIONING SYSIEMS.°
9. COMPLY Wlhi SMACNA�S "HVAC �UCi CONS1ROCilON SiAN�AR�S - MEiAL AN�
RE%IBLE" FOR ACCEPiABLE MAiERIALS, MAiERIAL hiICKNESSES, AN� �UCi
CONSiRUC710N ME7HO�S UNLESS OiHERW15E INDICAffO. SHEEi MEiAL MAIERIALS SHALL
BE FREE OF PIITNG, SEAM MARKS, ROLLER MARKS, STAINS, DISWLORATIONS, AN�
OTHER IMPERFECPONS.
22 MAiERIALS
A. GALVANIZE� SHEET STEEL: COMPLY WI7H ASIM A653/A653M.
1. GALVANIZE� COATING DESIGNAPON: G90.
2 E%POSED-SURFACE FlNISH: MILL PHOSPHATIZE�.
2.3 MANUAL VOLUME DAMPERS
SHOW DA�APERS ON DRAWINGS. IF BOiH STAN�ARD AN� LOW-LEAKAGE VOWME �AMPERS ARE
REOUIRED IDENPFY EACH DAMPER IYPE ON DRAWINGS.
A. STANDARO STEEL MANUAL VOWME �AMPERS:
1. SiAN�ARD LEAKAGE RA71NG.
2 SUITABLE FOR HORIZONTAL OR VERTICAL APPLICATIONS.
3. FRAMES:
a. FRAME: HAi-SHAPE�, 0.094-INCH-7HICK, GALVANIZE� SHEEi SiEEL.
b. MIiERED AND WELDED CORNERS.
a FLANGES FOR ATfACHMG TO WALLS AN� FLANGELESS FRAMES FOR INSTALLING
IN DUCTS.
4. BLA�ES:
a. MULIIPLE OR SINGLE BLADE.
b. PARALLEL- OR OPPOSE�-9LA�E �ESIGN.
c. STIFFEN DAMPER BLA�ES FOR STABILITY.
d. GALVANIZE�-STEEL, 0.064 INCH 7HICK.
5. BLA�E AXLES: GALVANIZE� SiEEL.
6. BEARMGS:
a. OIL-IMPREGNATE� BRONZE.
b. DAMPERS IN �UCTS 'M7H PRESSURE CLASSES OF 3-INCH WG OR LESS SNALL
HAVE A%LES FULL LENGiH OF �AMPER BLADES AND BEARINGS Ai BOiH EN�S
OF OPERAIING SHAFi.
RETAIN "STANDARD AWMINUM MANUAL VOWME DAMPERS" PARAGRAPH BELOW FOR
ALUMINUM �UCiS. COOR�INAiE W17H "INSTALLAPON° AR7ICLE AND SECiION 233113 "MEiAL
DUC1S.'
9. JACKSHAFT:
1. SRE: 0.5-MCH �IAMEiER.
2. MAiERIAL: GALVANRED-S7EEL PIPE ROiAiING WIIHIN PIPE-BEARING ASSEM6LY
MOONTED ON SOPPORTS AT EACH MOLLION AND AT EACH EN� OF
MULTIPLE-DAMPER ASSEMBLIES.
3. LENG7H AND NUMBER OF MOUNiINGS: AS RE VIRED i0 CONNECi LINKACE OF EACH
Q
DAMPER IN MOLTIPLE-�AMPER ASSEMBLY.
C. �AMPER HARDWARP.
1. ZINC-PLAff�, DIE-CASi CORE W17H DIAL AN� HANDLE MAOE OF 3/32-INCH-7HICK
ZINC-PLAiED SiEEL, AND A J/4-INCH HEXAGON LOCKING NU1.
2. INCWDE CEN7ER HOLE TO SUIT DAMPER OPERAiING-R0� SRE.
7. INCLU�E ELEVAiE� PLA7FORM FOR INSULAIE� �UCT MOUNiING.
2.4 DOCT ACCESSORY HARDWARE
A. INSTRUMENT iEST HOLES: CAST IRON OR CAST AWMINUM ID SUIT �OCT MAiERIAL,
INCWDMG SCREW CAP AN� GASKET. SIZE TO ALLOW WSERTION OF PITOT IDBE AN�
OTHER TESPNG INSiRUMENTS AN� OF LENGiH TO SUIT OUCT-INSULATION 7HICKNE55.
B. ADHESIVES: HIGH SIRENGiH, OUICK SETIING, NEOPRENE BASED, WAIERPR00F, AND
RESISiANi i0 GASOLME AND GREASE.
PART 3 - ENECUPON
3.1 INSiALLAiION
A. MSTALL DOCT ACCESSOPoES ACCOROING TO APPLICABLE OETAILS IN SMACNA'S "HVAC
DUCi CONSiRUC110N SiAN�ARDS - MEiAL AND REXI6LE" FOR METAL DUC1S AND IN
NAIMA AH116, "FIBROUS GLASS DUCT CONS7RUC710N STANDARDS,' FOR FIBROUS-GLASS
DUCiS.
9. INSTALL �UCi ACCESSORIES OF MAIERIALS SW7E� TO DUCT MATERIALS; USE
GALVAMZED-S7EEL ACCESSORIES IN GAWAWZED-S7EEL AND FlBROUS-GLA55 DUCTS,
STAMLESS-SiEEL ACCESSORIES M STAWLESS-STEEL DUCTS, AND AWMINUM
ACCESSORIES IN AWMINOM �UCTS.
COMPIIANCE WIiH ASHRAE/IES 90.1 RES7RICT5 7HE USE OF BACKDRAFT DAMPERS, AND
RWUIRES CON7ROL �AMPERS FOR CERTAIN APPLICAiIONS.
i0 MINIMRE �UCi NOISE GENERAiED BY VOLUME �AMPERS, SMACNA RECOMMEN�S LOCA7ING
DAMPERS A7 LEAST iW0 DUCi DIAMElERS PROM FliiINGS AN� AS FAR AWAY AS POSSIBLE
PROM OUiLEiS.
C. INSTALL VOWME DAMPERS AT POINTS ON SOPPLY, RETURN, AND ERHAOSi SYSTEMS
WHERE BRANCHES EX7END FROM LARGER Dl1CT5. WHERE DAMPERS ARE INSTALLED IN
�UCTS HANNG �UCT LMER, WSTALL �AMPERS WIiH HAT CHANNELS OF SAME DEPiH AS
LMER, AN� iERMINATE 11NER WITH NOSING AT HAT CHANNEL.
COORDINATE SUBPARAGRAPHS BELOW WI7H SECTION 233113 "METAL �UCTS."
1. INSTALL S7EEL VOWME DAMPERS IN STEEL �UCTS.
�. SET �AMPERS TO FULLY OPEN POSOION BEFORE iES11NQ ADJUSIINQ AN� BALANCING.
SIZES IN "ACCE55 �OOR SIZES" PARAGRAPH BELOW ARE FROM ONE MANUFACNRER'S
LITERAIDRE SMACNA LISTS ONLY iHREE SRES, 12 BY 12 MCHES (3�0 BY 300 MM), 16 BY
20 INCHES (400 BY 500 MM), AN� 24 BY 24 INCHES (600 BY 600 MM), BUT MAKES NO
RECOMMENOATIONS FOR APPLICAPONS.IN�ICAiE LOCATION AND TYPE OF EACH ACCESS �OOR
oN oRnvnNcs.
32 FlELD QOALITY CON7ROL
a. hsTs nNo iNSPEcnoNs:
1. OPERAIE DAMPERS ID VERIFY FULL RANGE OF MOVEMENT.
EN� OF SECiION 233300
%iOJECT COOflDINATOfl/ DESIGN CONSULTAM
'
I
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id;�RG�P
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MUSSETT NICHOLAS
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sEn�
No.
10505672
stntE or
"�
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PROJECT NO_
DRAWN BY
cHEcrcEoer.
TRAVELER'S PROJECT IX�.
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INDIANAPOLIS
2019222
DDfl
JMF
P10-0312
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MECHANICAL
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�RAWINGNUMBER'.
M0.0-2
OO 2019 idGROUP, LLC
onrE: 12/09/19
LANDLORD REVIEW ISSUE DATE�. 10.14.19
TENANT REVIE W ISSUE �ATE�. 10.00] 9
BIDISSUEDATE' 10.10.19
PERMITISSUE DATE�. 10.14.19
corvsTaucnorvissueonre�. xxixxizme