23 82 23.00 40.pdf

Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 23 82 23. 00 40

UNI T VENTI LATORS

PART 1 GENERAL

Sect i on 23 00 00 AI R SUPPLY, DI STRI BUTI ON, VENTI LATI ON, AND EXHAUST SYSTEMS appl i es t o wor k speci f i ed i n t hi s sect i on.

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

ACOUSTI CAL SOCI ETY OF AMERI CA ( ASA)

ASA S12. 11/ Par t 1 ( 2013) Acoust i cs- Measur ement of Noi se and Vi br at i on of Smal l Ai r - Movi ng Devi ces, Par t 1: Ai r bor ne Noi se Emi ssi on

ASA S12. 11/ Par t 2 ( 2013) Acoust i cs- Measur ement of Noi se and Vi br at i on of Smal l Ai r - Movi ng Devi ces, Par t 2: St r uct ur e- bor ne Vi br at i on

ASA S12. 30 ( 1990; R 2002) St andar d Gui del i nes f or t he Use of Sound Power St andar ds and f or t he Pr epar at i on of Noi se Test Codes

ASA S12. 53/ 1 ( 2011; R 2016) Acoust i cs- Det er mi nat i on of Sound Power Level s of Noi se Sour ces - Engi neer i ng Met hods f or Smal l , Movabl e Sour ces i n Rever ber ant Fi el ds - Par t 1:

Compar i son Met hod f or Har d- Wal l ed Test Rooms

ASA S12. 53/ 2 ( 1999; R 2015) Acoust i cs- Det er mi nat i on of Sound Power Level s of Noi se Sour ces Usi ng Sound Pr essur e - Engi neer i ng Met hods f or Smal l , Movabl e Sour ces i n Rever ber ant Fi el ds - Par t 2: Met hods f or Speci al Rever ber at i on Test Rooms

ALUMI NUM ASSOCI ATI ON ( AA)

AA DAF45 ( 2003; Reaf f i r med 2009) Desi gnat i on Syst em f or Al umi num Fi ni shes

AMERI CAN NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI Z83. 8/ CSA 2. 6 ( 2016) Amer i can Nat i onal St andar d/ CSA St andar d f or Gas Uni t Heat er , Gas Packaged Heat er s, Gas Ut i l i t y Heat er s and Gas- Fi r ed Duct Fur naces

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ASTM I NTERNATI ONAL ( ASTM)

ASTM A568/ A568M ( 2014) St andar d Speci f i cat i ons f or St eel , Sheet , Car bon, St r uct ur al , and Hi gh- St r engt h, Low- Al l oy, Hot - Rol l ed and Col d- Rol l ed, Gener al Requi r ement s f or

ASTM A653/ A653M ( 2015; E 2016) St andar d Speci f i cat i on f or St eel Sheet , Zi nc- Coat ed ( Gal vani zed) or Zi nc- I r on Al l oy- Coat ed ( Gal vanneal ed) by t he Hot - Di p Pr ocess

ASTM F1040 ( 1987; R 2007) St andar d Speci f i cat i on f or Fi l t er Uni t s, Ai r Condi t i oni ng, Vi scous - I mpi ngement and Dr y Types, Repl aceabl e

I NTERNATI ONAL CODE COUNCI L ( I CC)

I CC I FGC ( 2015) I nt er nat i onal Fuel Gas Code

I CC I MC ( 2015) I nt er nat i onal Mechani cal Code

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

NEMA MG 1 ( 2016) Mot or s and Gener at or s

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 54 ( 2015) Nat i onal Fuel Gas Code

NFPA 70 ( 2017) Nat i onal El ect r i cal Code

NFPA 90A ( 2015) St andar d f or t he I nst al l at i on of Ai r Condi t i oni ng and Vent i l at i ng Syst ems

U. S. DEPARTMENT OF DEFENSE ( DOD)

DOD-G-24508 ( 1977; Rev A; Am 4 1998) Gr ease, Hi gh Per f or mance, Mul t i pur pose ( Met r i c)

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval and i nf or mat i on onl y. Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. Submi t t he f ol l owi ng i n accor dance wi t h Sect i on

01 33 00 SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

Mat er i al , Equi pment , and Fi xt ur e Li st ; G

Li st i ng of Pr oduct I nst al l at i ons; G

SD- 02 Shop Dr awi ngs

Heat Exchanger s; G

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Bur ner s; G

Fans; G

Mot or s; G

Cont r ol s; G

Ver t i cal Di schar ge Uni t s; G

Hor i zont al Di schar ge Uni t s; G

Heat i ng El ement ; G

Pr opel l er s; G

Fr esh Ai r I nt akes; G

Gas Uni t Heat er s; G

Pr opel l er Uni t Heat er s; G

Cabi net Uni t Heat er s; G

Uni t Vent i l at or s; G

SD- 03 Pr oduct Dat a; G

Gas Uni t Heat er s; G

Pr opel l er Uni t Heat er s; G

Cabi net Uni t Heat er s; G

Uni t Vent i l at or s; G

Casi ng; G

Heat Exchanger s; G

Bur ner s; G

Fans; G

Mot or s; G

Cont r ol s; G

Ver t i cal Di schar ge Uni t s; G

Hor i zont al Di schar ge Uni t s; G

Heat i ng El ement ; G

Pr opel l er s; G

Fi l t er s; G

Encl osur es; G

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Wal l Sl eeve; G

Fr esh Ai r I nt akes; G

I nsul at i on; G

Spar e Par t s; G

Vi br at i on I sol at i on; G

SD- 04 Sampl es

Col or Char t ; G

SD- 05 Desi gn Dat a

Connect i on Di agr ams; G

Cont r ol Di agr ams; G

SD- 07 Cer t i f i cat es

Recor ds of Exi st i ng Condi t i ons; G

Li st i ng of Pr oduct I nst al l at i ons; G

Heat Exchanger s; G

Bur ner s; G

Fans; G

Mot or s; G

Cont r ol s; G

Ver t i cal Di schar ge Uni t s; G

Hor i zont al Di schar ge Uni t s; G

Heat i ng El ement ; G

Pr opel l er s; G

Fr esh Ai r I nt akes; G

SD- 10 Oper at i on and Mai nt enance Dat a

Oper at i on and Mai nt enance Manual s; G

SD- 11 Cl oseout Submi t t al s

Recor d Dr awi ngs; G

1. 3 QUALI TY ASSURANCE

Submi t r ecor ds of exi st i ng condi t i ons consi st i ng of t he r esul t s of sur vey of wor k ar ea condi t i ons and f eat ur es of exi st i ng st r uct ur es and f aci l i t i es

Apr i l 2019 Page 4 SECTI ON 23 82 23. 00 40 wi t hi n and adj acent t o t he j obsi t e. Commencement of wor k const i t ut es accept ance of exi st i ng condi t i ons.

Pr ovi de l i s t i ng of pr oduct i nst al l at i ons t hat i ncl udes i dent i f i cat i on of at l east 5 i nst al l ed uni t s, s i mi l ar t o t hose pr oposed f or wor k, t hat have been i n successf ul ser vi ce f or a mi ni mum per i od of 5 year s. Pr ovi de l i s t t hat i ncl udes pur chaser , addr ess of i nst al l at i on, ser vi ce or gani zat i on, and dat e of i nst al l at i on.

PART 2 PRODUCTS

2. 1 SYSTEM DESI GN

Submi t pr oduct dat a f or v i br at i on i sol at i on component s.

Pr ovi de cont r ol di agr ams t hat show physi cal and f unct i onal r el at i onshi ps of equi pment . Pr ovi de el ect r i cal di agr ams t hat show si ze, t ype, and capaci t y of t he syst ems. Submi t pneumat i c di agr ams f or ai r and gas systems.

Submi t connect i on di agr ams i ndi cat i ng t he r el at i ons and connect i ons.

I ndi cat e t he gener al physi cal l ayout of al l cont r ol s, and i nt er nal t ubi ng and wi r i ng det ai l s on t he dr awi ngs.

Submi t equi pment and per f or mance dat a f or Gas Uni t Heat er sPr opel l er Uni t Heat er sCabi net Uni t Heat er sUni t Vent i l at or s consi st i ng of use l i f e, syst em f unct i onal f l ows, saf et y f eat ur es, and mechani cal aut omat ed det ai l s.

Submi t cur ves i ndi cat i ng t est ed and cer t i f i ed equi pment r esponses and per f or mance char act er i st i cs.

2. 2 MANUFACTURED UNI TS

Pr ovi de mat er i al , equi pment , and f i xt ur e l i s t t hat i ncl udes manuf act ur er ' s st y l e or cat al og number s, speci f i cat i on and dr awi ng r ef er ence number s, war r ant y i nf or mat i on, and f abr i cat i on s i t e i nf or mat i on.

Submi t manuf act ur er ' s st andar d col or char t f or Gas Uni t Heat er sPr opel l er Uni t Heat er sCabi net Uni t Heat er sUni t Vent i l at or s showi ng manuf act ur er ' s st andar d col or sel ect i ons and f i ni shes.

Submi t spar e par t s l i s t and i nf or mat i on meet i ng r ef er enced st andar ds wi t hi n t hi s sect i on.

2. 2. 1 Gas Uni t Heat er s ( GUH)

Pr ovi de dr awi ngs or schedul e t hat i ncl ude capaci t y, gas dat a and mount i ng height.

2. 2. 1. 1 Type

Pr ovi de suspended t ype uni t heat er s, ar r anged f or di schar ge of ai r as i ndi cat ed. Pr ovi de uni t t hat compl i es wi t h ANSI Z83. 8/ CSA 2. 6 and

NEMA MG 1.

2. 2. 1. 2 Casing

Pr ovi de casi ng t hat i s manuf act ur ed of not l ess t han 20- gagest eel .

Pr ovi de casi ng wi t h a phosphat e pr et r eat ment , pr i mer , and baked enamel f i ni sh i nsi de and out si de. Pr ovi de hor i zont al adj ust abl e l ouver s, Apr i l 2019 Page 5 SECTI ON 23 82 23. 00 40 compl et el y r ecessed i nsi de t he casi ng f r ame.

Pr ovi de Four - way def l ect i on vanes.

2. 2. 1. 3 Heat Exchanger s

Pr ovi de wel ded const r uct i on, heavy al umi ni zed st eel heat exchanger s.

Pr ovi de exchanger s t hat ar e f or med i n a c l am- shel l desi gn t o compl et el y sur r ound t he bur ner . Pr ovi de i ndi v i dual combust i on chamber s f or each burner.

2. 2. 1. 4 Burners

Pr ovi de di e- f or med, al umi num- pai nt ed, heavy mi l d st eel bur ner s wi t h l ong sl ot por t s f or even suppl y of gas. Pr ovi de uni t i zed const r uct i on bur ner assembl y wi t h i nt egr al cr ossover f or posi t i ve bur ner i gni t i on. Pr ovi de a dr af t di ver t er as an i nt egr al par t of each heat exchanger sect i on t o al l ow backdr af t s t o bypass bur ner assembl y wi t hout af f ect i ng nor mal oper at i on.

2. 2. 1. 5 Fans

Pr ovi de pr opel l er t ype f ans, desi gned and manuf act ur ed f or uni t heat er appl i cat i on. Pr ovi de f ans wi t h a mi ni mum of t hr ee al umi num bl ades.

2. 2. 1. 6 Motors

Pr ovi de mot or s t hat ar e t ot al l y encl osed, wi t h bui l t - i n over l oad pr ot ect i on. Mount mot or s t o back panel by a f an guar d mot or mount const r uct ed of spr i ng st eel wi r e.

2. 2. 1. 7 Controls

Pr ovi de cont r ol s t hat i ncl ude hi gh l i mi t swi t ch, f an cont r ol s i ncl udi ng f an t i mer , l ockout t i mer , a 24- vol t aut omat i c gas val ve wi t h 100 per cent saf et y pi l ot shut of f , a pr essur e r egul at or wi t h l eak l i mi t i ng devi ce, and manual mai n and pi l ot val ves. Pr ovi de an i nt egr al j unct i on box f or al l power and cont r ol connect i ons.

Pr ovi de a l ow vol t age t r ansf or mer .

2. 2. 2 Pr opel l er Uni t Heat er s- Hot Wat er and St eam ( PUH)

Pr ovi de dr awi ngs or schedul e t hat i ncl ude capaci t y, heat i ng medi a dat a and mount i ng hei ght .

2. 2. 2. 1 Type

Pr ovi de suspended t ype uni t heat er s, ar r anged f or di schar ge of ai r as indicated.

2. 2. 2. 2 Ver t i cal Di schar ge Uni t s

Pr ovi de adj ust abl e vane di f f user .

2. 2. 2. 3 Hor i zont al Di schar ge Uni t s

Pr ovi de maxi mum vol ume i n cubi c f eet per mi nut e ( cf m) and f ace vel oci t y i n f eet per mi nut e ( f pm) f or hor i zont al di schar ge uni t s as f ol l ows:

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Volume (cfm)

Velocity (fpm)

Up t o 1, 000 800

1, 001 t o 3, 000 900

3, 001 and over 1,000

Pr ovi de adj ust abl e doubl e def l ect i on l ouver s.

2. 2. 2. 4 Heat i ng El ement

Pr ovi de manuf act ur er ' s st andar d const r uct i on heat i ng el ement s, r at ed f or st andar d ser vi ce of not l ess t han 300 degr ees F at 75 pounds per squar e i nch ( psi ) .

2. 2. 2. 5 Casings

Pr ovi de casi ngs wi t h smoot hl y cont our ed pr opel l er or i f i ce r i ngs const r uct ed of 20- gage or t hi cker col d- r ol l ed car bon st eel . Pr ovi de casi ng sur f ace f i ni sh t hat i ncl udes phosphat e pr et r eat ment , pr i me coat i ng, and baked enamel f i ni sh.

2. 2. 2. 6 Pr opel l er s and Mot or s

Pr ovi de pr opel l er s t hat have not l ess t han f our al umi num bl ades and ar e dynami cal l y bal anced.

Pr ovi de hor i zont al - di schar ge uni t s wi t h f an i nl et saf et y guar d.

2. 2. 2. 7 Sound Rat i ng

Test and sound r at e uni t heat er i n accor dance wi t h ASA S12. 11/ Par t 1, ASA S12. 11/ Par t 2, ASA S12. 30, and ASA S12. 53/ 1 and ASA S12. 53/ 2.

2. 2. 3 Cabi net Uni t Heat er s ( CUH)

Pr ovi de dr awi ngs or schedul e t hat i ncl ude capaci t y, power r at i ng, heat i ng medi a, f i l t er , pr essur e dr op, s i ze, and ot her per t i nent dat a.

2. 2. 3. 1 Type

Pr ovi de qui et - oper at i ng t ype cabi net uni t heat er s, compl et e wi t h heat i ng el ement s, f ans and dr i ves, f i l t er s, baf f l es and di v i s i on wal l s, cont r ol pr ovi s i ons, and encl osur es wi t h access panel s.

Pr ovi de cabi net s t hat do not exceed dr awi ng di mensi ons.

Rat e uni t pr essur e component s f or ser vi ce at not l ess t han 150 psi at syst em wor ki ng t emper at ur e.

2. 2. 3. 2 Heat i ng El ement

Pr ovi de manuf act ur er ' s st andar d al umi num f i n heat i ng el ement t hat i s dr ai nabl e and vent abl e.

Pr ovi de heat i ng el ement wi t h const ant and per manent cat al oged capaci t y.

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Pr ovi de seaml ess deoxi di zed copper t ube mat er i al .

Pr ovi de f i ns t hat ar e mechani cal l y connect ed t o t he t ubes. Regar d l oose f i ns at oper at i ng t emper at ur es as causi ng a r educt i on i n capaci t y, r equi r i ng r epl acement of al l such mat er i al at no addi t i onal cost t o t he Gover nment . El ement s wi t h bent or damaged f i ns ar e not accept abl e.

Make expansi on pr ovi s i ons and suppor t s such t hat el ement movement i s st r ai nf r ee and noi sel ess.

Make f ace ar ea of t he coi l not l ess t han t hat speci f i ed on t he dr awi ngs.

2. 2. 3. 3 Fan and Dr i ve Assembl y

Pr ovi de cent r i f ugal , f or war d- cur ved, doubl e- wi dt h, doubl e- i nl et t ype f an, t hat has been st at i cal l y and dynami cal l y bal anced at t he f act or y.

Pr ovi de di r ect f an dr i ves.

Pr ovi de di r ect f an dr i ves, except wher e bel t dr i ves ar e i ndi cat ed.

Pr ovi de bel t - dr i ve mot or s t hat ar e f i t t ed wi t h adj ust abl e r ai l s and an adj ust abl e sheave t o per mi t 20 per cent adj ust ment t o f an speed. El ast omer mount i ndependent f an shaf t s i n sel f - al i gni ng sl eeve- t ype bear i ngs, wi t h essent i al l y l i f et i me l ubr i cat i on.

Pr ovi de - speed dr i ves. Pr ovi de swi t ch posi t i ons t hat i ncl ude an of f position.

Pr ovi de r ot at i ng el ement s t hat ar e st at i cal l y and dynami cal l y bal anced.

Vi br at i on i sol at e t he f an and dr i ve assembl y. Ref er t o Sect i on

23 05 48. 00 40 VI BRATI ON AND SEI SMI C CONTROLS FOR HVAC PI PI NG AND

EQUI PMENT f or v i br at i on i sol at i on consi der at i ons.

The maxi mum al l owabl e di r ect - dr i ve mot or r ot at i onal speed i s 1, 200 r pm.

2. 2. 3. 4 Filters

Pr ovi de 1- i nch mi ni mum t hi ckness, r epl aceabl e, t hr owaway t ype f i l t er s conf or mi ng t o ASTM F1040.

I nst al l f i l t er s i n a bypass- pr oof f r ame t o ensur e f i l t er i ng of al l movi ng ai r bef or e ent r y i nt o heat i ng el ement . Ensur e f i l t er s ar e r emovabl e wi t hout t ool s.

2. 2. 3. 5 Enclosures

Pr ovi de encl osur e const r uct i on consi st i ng of a mi ni mum 16- gage, col d- r ol l ed car bon st eel of st r et cher - l evel ed qual i t y conf or mi ng t o ASTM A568/ A568M. Pr ovi de const r uct i on t hat has smoot h, bl emi sh- f r ee sur f aces, wi t hout shar p edges, and wi t h f l ush j oi nt s. Wr i nkl ed- met al and not ched- cor ner const r uct i on i s not accept abl e. Pr ovi de encl osur e t hat has space f or al l r i ser pi pes and cont r ol s. Pr ovi de access door s t hat have t amper pr oof l at ches. Hi nge door s and panel s t o pr ot ect sur f ace f i ni shes and per sonnel .

2. 2. 3. 6 Insulation

I nsul at e backs of r ecessed uni t s wi t h not l ess t han 1/ 2- i nch of 3- pound

Apr i l 2019 Page 8 SECTI ON 23 82 23. 00 40 per cubi c f oot densi t y f i br ous- gl ass i nsul at i on conf or mi ng t o NFPA 90A.

2. 2. 3. 7 Cont r ol Cycl e

Sequence oper at i on as per manuf act ur er ' s r ecommendat i ons .

2. 2. 4 Uni t Vent i l at or s ( UV)

Pr ovi de dr awi ngs or schedul e t hat i ncl ude capaci t y, power r at i ng, heat i ng dut y and met hod, and ot her per t i nent dat a.

2. 2. 4. 1 Type

Pr ovi de qui et - oper at i ng modul ar t ype uni t vent i l at or s, compl et e wi t h heat i ng el ement s, f ans and dr i ves, f i l t er s, baf f l es and di v i s i on wal l s, damper s, cont r ol pr ovi s i ons, and encl osur es wi t h access panel s.

2. 2. 4. 2 Heat i ng El ement

Pr ovi de t he manuf act ur er ' s st andar d al umi num f i n, dr ai nabl e and vent abl e heat i ng el ement .

2. 2. 4. 3 Fan and Dr i ve Assembl y

Pr ovi de a cent r i f ugal , f or war d- cur ved, doubl e- wi dt h, doubl e- i nl et t ype f an. Ensur e f an i s st at i cal l y and dynami cal l y bal anced.

Pr ovi de bel t dr i ven f ans, mount ed on a common shaf t . Suppor t shaf t by i ndependent , el ast omer - mount ed, sel f - al i gni ng, ant i f r i c t i on or s l eeve- t ype bear i ngs wi t h l i f et i me l ubr i cat i on. Pr ovi de adj ust abl e mot or sheave wi t h not l ess t han 20 per cent speed var i at i on ei t her way f r om capaci t y poi nt .

Pr ovi de adj ust abl e bel t t ensi on.

Pr ovi de el ast omer v i br at i on- i sol at i on mount ed, per manent spl i t - capaci t or t ype mot or s wi t h adj ust abl e r ai l mount i ng.

2. 2. 4. 4 Filters

Pr ovi de 1- i nch mi ni mum t hi ckness, r epl aceabl e, t hr owaway t ype f i l t er s conf or mi ng t o ASTM F1040.

I nst al l f i l t er s i n a bypass- pr oof f r ame t o ensur e f i l t er i ng of al l movi ng ai r bef or e ent r y i nt o heat i ng el ement . Ensur e f i l t er s ar e r emovabl e wi t hout t ool s.

2. 2. 4. 5 Dampers

Pr ovi de opposed- bl ade t ype damper s const r uct ed t o r esi st sal t ai r .

Pr ovi de gal vani zed st eel bl ades, mechani cal l y at t ached and not dependent upon adhesi ves. Pr ovi de hi gh- gr ade commer ci al qual i t y f l anged- t ype bear i ngs wi t h ext ended r ace and cor r osi on- r esi st ant st eel bal l s and heat - t r eat ed car bon st eel const r uct i on wi t h f act or y- appl i ed gr ease conf or mi ng t o DOD-G-24508 , sui t abl e f or sal t ai r exposur e. Pr ovi de sl eeve- t ype oi l - i mpr egnat ed br onze bear i ngs.

Pr ovi de f ace and bypass damper wi t h ext er nal bypass duct i f r equi r ed by unit.

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2. 2. 4. 6 Enclosures

Pr ovi de encl osur e t hat i s not l ess t han 16- gage col d- r ol l ed car bon st eel of st r et cher - l evel ed qual i t y conf or mi ng t o ASTM A568/ A568M. Pr ovi de smoot h const r uct i on wi t h bl emi sh- f r ee sur f aces, wi t hout shar p edges, and wi t h f l ush j oi nt s. For m and br ace encl osur e t o ensur e pl ane sur f aces wi t h no oi l can ef f ect . Wr i nkl ed met al and not ched cor ner const r uct i on i s not accept abl e. Pr ovi de penci l pr oof venet i an t ype l ouver s. Pr ovi de l ouver s t hat ar e const r uct ed of met al and, i n t hei r nor mal posi t i on, sust ai n a di st r i but ed l oad of 200 pounds, maxi mum. Pr ovi de encl osur e t hat has space f or al l r i ser pi pes and cont r ol s. Pr ovi de access door s t hat have t amper pr oof l at ches.

2. 2. 4. 7 Wal l Sl eeve

Pr ovi de wal l s l eeve t hat i s const r uct ed of not l ess t han 18- gage gal vani zed car bon st eel , wi t h commer ci al z i nc wei ght conf or mi ng t o ASTM A653/ A653M. Pr ovi de f i ni sh t hat consi st s of manuf act ur er ' s st andar d gal vani zed sur f ace pr epar at i on and not l ess t han t wo f i ni sh coat s of baked enamel . Pr ovi de col or sel ect ed by t he Cont r act i ng Of f i cer .

2. 2. 4. 8 Ther mal and Acoust i c I nsul at i on

Pr ovi de i nsul at i on t o pr event heat l oss, heat gai n, condensat i on, and t o pr ovi de acoust i c t r eat ment of sur f aces.

2. 2. 4. 9 Cont r ol Cycl e

Sequence oper at i on per manuf act ur er ' s r ecommendat i on' s.

2. 2. 4. 10 Fr esh Ai r I nt akes

Pr ovi de ext r uded- al umi num i nt ake l ouver s wi t h 16- gage, 1/ 2- by 1/ 2- i nch mesh al umi num wi r e bi r dscr eens f or al l f r esh ai r i nt akes. Pr ovi de ext r uded al umi num t hat i s subj ect ed t o caust i c et ch and 0. 5 mi cr omet er anodi ze t r eat ment i n accor dance wi t h AA DAF45. Pr ot ect al umi num f r om di ssi mi l ar met al s and caust i c i t y of concr et e or mor t ar by el ast omer i c seal s. Pr ovi de i nt ake t hat i s par t i cul ar l y sui t ed t o i ndi cat ed bui l di ng- const r uct i on penet r at i on.

PART 3 EXECUTI ON

3. 1 INSTALLATION

3. 1. 1 Equipment

I nst al l equi pment i n accor dance wi t h manuf act ur er ' s r ecommendat i ons.

3. 1. 2 Gas Pi pi ng

I nst al l gas pi pi ng i n compl i ance wi t h I CC I FGC, NFPA 54, Sect i on 23 11 25 FACI LI TY GAS PI PI NG and Sect i on 33 51 15 NATURAL- GAS / LI QUI D PETROLEUM

GAS DI STRI BUTI ON.

3. 1. 3 Combust i on Ai r

Pr ovi de combust i on ai r i n compl i ance wi t h I CC I MC.

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3. 1. 4 Location

I nst al l heat er s i n compl i ance wi t h c l ear ance and mount i ng hei ght r equi r ement s of I CC I FGC and NFPA 70.

3. 1. 5 Venting

Pr ovi de heat er s t hat ar e vent ed i n compl i ance wi t h NFPA 54, I CC I MC, and

I CC I FGC.

3. 2 FI ELD QUALI TY CONTROL

Conduct oper at i onal t est s per manuf act ur er ' s i nst r uct i ons.

3. 3 CLOSEOUT ACTI VI TI ES

Submi t r ecor d dr awi ngs pr ovi di ng cur r ent f act ual i nf or mat i on i ncl udi ng devi at i ons f r om, and amendment s, t o t he dr awi ngs and conceal ed and vi s i bl e changes i n t he wor k.

Submi t 6 copi es of t he oper at i on and mai nt enance manual s 30 cal endar days pr i or t o t est i ng t he syst em.

Updat e and r esubmi t dat a f or f i nal appr oval no l at er t han 30 cal endar days pr i or t o cont r act compl et i on.

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