08_44_23.02_00.pdf

CP#2 Long Range Di scr i mi nat i on Radar ( LRDR) CLR039b FRDR Compl ex Secur i t y - Cl ear AFS, Al aska AM#3

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STRUCTURAL SEALANT GLAZED CURTAI N WALLS

08/11

PART 1 GENERAL

1. 1 SUSTAI NABI LI TY REQUI REMENTS

The mat er i al s i n t hi s Speci f i cat i on sect i on ar e par t of t he over al l compl i ance wi t h ( HPSB) " Hi gh Per f or mance and Sust ai nabl e Bui l di ngs" " gui di ng pr i nci pl es f or st ai nabl e new const r uct i on and maj or r enovat i ons" .

Ref er t o Speci f i cat i on Sect i on 01 33 29. 02 00 - SUSTAI NABLE DESI GN REQUI REMENTS, and t hi s Sect i on f or mor e i nf or mat i on.

1. 2 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.

ALUMI NUM ASSOCI ATI ON ( AA)

AA ADM ( 2015) Al umi num Desi gn Manual

AA ASD1 ( 2013) Al umi num St andar ds and Dat a

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 ARCHI TECTURAL MANUFACTURERS ASSOCI ATI ON ( AAMA)

AAMA 501. 4 & 501. 6 ( 2009) Recommended St at i c Test Met hod f or Eval uat i ng Cur t ai n Wal l and St or ef r ont Syst ems Subj ect ed t o Sei smi c and Wi nd I nduced I nt er st or y Dr i f t s & Recommended Dynami c Test Met hod f or Det er mi ni ng t he Sei smi c Dr i f t Causi ng Gl ass Fal l out f r om a Wal l Syst em

AAMA 507 ( 2015) St andar d Pr act i ce f or Det er mi ni ng t he Ther mal Per f or mance Char act er i st i cs of Fenest r at i on Syst ems i n Commer ci al Buildings

AAMA 609 & 610 ( 2009) Cl eani ng and Mai nt enance Gui de f or Ar chi t ect ur al l y Fi ni shed Al umi num

AAMA 611 ( 1998; R 2004) Vol unt ar y Speci f i cat i on f or Anodi zed Ar chi t ect ur al Al umi num

AAMA 800 ( 2010) Vol unt ar y Speci f i cat i ons and Test Met hods f or Seal ant s

AAMA CW- 10 ( 2004) Car e and Handl i ng of Ar chi t ect ur al Al umi num f r om Shop t o Si t e

AAMA MCWM- 1 ( 1989) Met al Cur t ai n Wal l Manual

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AAMA/ WDMA/ CSA 101/ I . S. 2/ A440 ( 2011) St andar d/ Speci f i cat i on f or Wi ndows, Door s, and Skyl i ght s

AMERI CAN SOCI ETY OF HEATI NG, REFRI GERATI NG AND AI R- CONDI TI ONI NG

ENGI NEERS ( ASHRAE)

ASHRAE 189. 1 ( 2014; Er r at a 1- 2 2015) St andar d f or t he Desi gn of Hi gh- Per f or mance Gr een Bui l di ngs Except Low- Ri se Resi dent i al Bui l di ngs

ASTM I NTERNATI ONAL ( ASTM)

ASTM A153/ A153M ( 2016) St andar d Speci f i cat i on f or Zi nc Coat i ng ( Hot - Di p) on I r on and St eel Hardware

ASTM A27/ A27M ( 2017) St andar d Speci f i cat i on f or St eel Cast i ngs, Car bon, f or Gener al Appl i cat i on

ASTM A47/ A47M ( 1999; R 2014) St andar d Speci f i cat i on f or Fer r i t i c Mal l eabl e I r on Cast i ngs

ASTM B136 ( 1984; R 2013) St andar d Met hod f or Measur ement of St ai n Resi st ance of Anodi c Coat i ngs on Al umi num

ASTM B137 ( 1995; R 2014) St andar d Test Met hod f or Measur ement of Coat i ng Mass Per Uni t Ar ea on Anodi cal l y Coat ed Al umi num

ASTM B209 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Sheet and Pl at e

ASTM B211 ( 2012) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Bar , Rod, and Wi r e

ASTM B221 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Ext r uded Bar s, Rods, Wi r e, Pr of i l es, and Tubes

ASTM B244 ( 2009; R 2014) St andar d Met hod f or Measur ement of Thi ckness of Anodi c Coat i ngs on Al umi num and of Ot her Nonconduct i ve Coat i ngs on Nonmagnet i c Basi s Met al s wi t h Eddy- Cur r ent I nst r ument s

ASTM B316/ B316M ( 2010) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Ri vet and Col d- Headi ng Wi r e and Rods

ASTM C1184 ( 2014) St andar d Speci f i cat i on f or St r uct ur al Si l i cone Seal ant s

ASTM C1401 ( 2014) St r uct ur al Gui de f or St r uct ur al Seal ant Gl azi ng

ASTM C920 ( 2014a) St andar d Speci f i cat i on f or El ast omer i c Joi nt Seal ant s

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ASTM E283 ( 2004; R 2012) Det er mi ni ng t he Rat e of Ai r Leakage Thr ough Ext er i or Wi ndows, Cur t ai n Wal l s, and Door s Under Speci f i ed Pr essur e Di f f er ences Acr oss t he Speci men

ASTM E330/ E330M ( 2014) St r uct ur al Per f or mance of Ext er i or Wi ndows, Door s, Skyl i ght s and Cur t ai n Wal l s by Uni f or m St at i c Ai r Pr essur e Difference

ASTM E331 ( 2000; R 2009) Wat er Penet r at i on of Ext er i or Wi ndows, Skyl i ght s, Door s, and Cur t ai n Wal l s by Uni f or m St at i c Ai r Pr essur e Di f f er ence

ASTM E34 ( 2011) Chemi cal Anal ysi s of Al umi num and Al umi num- Base Al l oys

ASTM E546 ( 2014) Fr ost Poi nt of Seal ed I nsul at i ng Gl ass Uni t s

ASTM E576 ( 2014) Fr ost Poi nt of Seal ed I nsul at i ng Gl ass Uni t s i n t he Ver t i cal Posi t i on

HI GH PERFORMANCE AND SUSTAI NABLE BUI LDI NGS ( HPSB)

HPSB ( 2008) Gui di ng Pr i nci pl es f or Sust ai nabl e New Const r uct i on and Maj or Renovat i ons

NATI ONAL ASSOCI ATI ON OF ARCHI TECTURAL METAL MANUFACTURERS ( NAAMM)

NAAMM AMP 500 ( 2006) Met al Fi ni shes Manual

1. 3 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 i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . 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. 02 00 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. 02 00 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Gl azed Cur t ai n Wal l Syst em; G

Submi t f or cur t ai n wal l syst em, accessor i es, and mock- up.

Dr awi ngs must i ndi cat e i n det ai l al l syst em par t s i ncl udi ng el evat i ons, f ul l - s i ze sect i ons, f r ami ng, j oi nt i ng, panel s, t ypes and t hi ckness of met al , f l ashi ng and copi ng det ai l s , f i el d connect i ons, weep and dr ai nage syst em, f i ni shes, seal i ng met hods, gl azi ng, gl ass s i zes and det ai l s , f i r est oppi ng i nsul at i on mat er i al s, and er ect i on det ai l s .

I nst al l at i on Dr awi ngs, G

SD- 03 Pr oduct Dat a

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Gl azed Cur t ai n Wal l Syst em; G

I ncl ude descr i pt i ve l i t er at ur e, det ai l ed speci f i cat i ons, and avai l abl e per f or mance t est dat a.

Pr event i ve Mai nt enance and I nspect i on

Met al s For Fabr i cat i on, G

Nonski nni ng Seal i ng Compound, G

Met al Accessor i es, G

Cur t ai n- Wal l Fr ami ng Member s; G

Cur t ai n Wal l Fr ame; G

Seal ant s, G

Cur t ai n- Wal l I nst al l at i on Mat er i al s, G

Sampl e War r ant i es, G

SD- 05 Desi gn Dat a

Cal cul at i ons, G

Fi ni sh, G

Sei smi c Cal cul at i ons, G

SD- 08 Manuf act ur er ' s I nst r uct i ons

Gl azed Cur t ai n Wal l Syst em, G

SD- 11 Cl oseout Submi t t al s

Recycl ed Cont ent of Al umi num; S

Recycl ed Cont ent of Al umi num Cur t ai n- Wal l Fr ami ng Member s; S

WARRANTY, G

Sust ai nabi l i t y Repor t i ng; G, S

V. 1: Recycl ed Cont ent EPA Compr ehensi ve Pr ocur ement Gui del i nes

(CPG)

HPSB V. 1: Meet t he r equi r ement s of ASHRAE 189. 1 Sect i on 9. 4. 1. 1 ( Recycl ed Cont ent ) when pr oduct s ar e avai l abl e.

Per RCRA Sect i on 6002, f or EPA- desi gnat ed pr oduct s, i ncor por at e pr oduct s meet i ng or exceedi ng EPA' s r ecycl ed cont ent r ecommendat i ons. EPA' s r ecycl ed cont ent pr oduct desi gnat i ons and r ecycl ed cont ent r ecommendat i ons ar e avai l abl e on EPA' s Compr ehensi ve Pr ocur ement Gui del i ne web si t e at http://www.epa.gov/epawaste/conserve/tools/cpg/index.htm .

Requi r ement s wi l l be met when pr oduct s ar e avai l abl e.

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V. 3: Envi r onment al l y Pr ef er abl e Pr oduct s Gr een Pr ocur ement Compi l at i on ( GPC)

HPSB V. 3: Use pr oduct s t hat have a l esser or r educed ef f ect on human heal t h and t he envi r onment . I ncor por at e pr oduct s and r ecommendat i ons by t he Gr een Pr oduct s Compi l at i on at http://www.gsa.gov/greenproductscompilation and t he Feder al Gr een Const r uct i on Gui de f or Speci f i er s.

1. 4 REQUI REMENT FOR DESI GN DATA

Submi t st r uct ur al and t her mal cal cul at i ons f or compl et e wal l assembl y.

1. 5 QUALI TY ASSURANCE

1. 5. 1 Test i ng Requi r ement s

The component s l i s t ed bel ow must be t est ed i n accor dance wi t h t he r equi r ement s bel ow, and meet per f or mance r equi r ement s speci f i ed.

a. Joi nt and Gl azi ng Seal ant s: Per f or m t est s as r equi r ed by appl i cabl e publ i cat i ons r ef er enced.

b. Anodi zed Fi ni shes: St ai n r esi st ance, coat i ng wei ght , and coat i ng t hi ckness t est s, ASTM B136, ASTM B137, and ASTM B244, r espect i vel y.

c. I nsul at i ng Gl ass: ASTM E546 or ASTM E576 at mi nus 20 degr ees F, no f r ost or dew poi nt .

1. 5. 2 Fact or y Test s

1. 5. 2. 1 Def l ect i on and St r uct ur al Test s

No cur t ai n wal l f r ami ng member shal l def l ect , i n a di r ect i on nor mal t o t he pl ane of t he wal l , mor e t han 1/ 175 of i t s c l ear span or 3/ 4 i nch, whi chever i s l ess, when t est ed i n accor dance wi t h ASTM E330/ E330M. No f r ami ng member shal l have a per manent def or mat i on i n excess of 0. 2 per cent of i t s c l ear span when t est ed i n accor dance wi t h ASTM E330/ E330M f or a mi ni mum t est per i od of 10 seconds at 1. 5 t i mes t he desi gn wi nd pr essur es speci f i ed.

1. 5. 2. 2 Wat er Penet r at i on Test

No wat er penet r at i on shal l occur when t he wal l i s t est ed i n accor dance wi t h ASTM E331 at a di f f er ent i al st at i c t est pr essur e of 20 per cent of t he i nwar d act i ng desi gn wi nd pr essur e as speci f i ed, but not l ess t han 12 psf .

Make pr ovi s i on i n t he wal l const r uct i on f or adequat e dr ai nage t o t he out s i de of wat er l eakage or condensat i on t hat occur s wi t hi n t he out er f ace of t he wal l . Leave dr ai nage and weep openi ngs i n member s and wal l open dur i ng t est .

1. 5. 2. 3 Ai r I nf i l t r at i on Test

Ai r i nf i l t r at i on t hr ough t he wal l , when t est ed i n accor dance wi t h ASTM E283, must not exceed 0. 06 cf m per squar e f oot of f i xed wal l ar ea, pl us t he per mi ssi bl e al l owance speci f i ed f or oper abl e wi ndows wi t hi n t he t est ar ea.

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1. 5. 2. 4 Ther mal Conduct ance Test s

The t her mal t r ansmi t t ance of opaque panel s must not exceed speci f i ed U- val ue, when t est ed i n accor dance wi t h AAMA 507. The aver age cal cul at ed t her mal t r ansmi t t ance of t he compl et e wal l assembl y i ncl udi ng panel s, wi ndows, and al l ot her component s must not exceed a U- val ue of 0. 40.

1. 5. 2. 5 St r uct ur al - Seal ant Joi nt s

Desi gned t o car r y gr avi t y l oads of gl azi ng and pr oduce t ensi l e or shear st r ess of l ess t han 20. Seal ant shal l be capabl e of wi t hst andi ng t ensi l e and shear st r esses i mposed by st r uct ur al - seal ant gl azed cur t ai n wal l s wi t hout f ai l i ng adhesi vel y or cohesi vel y. When t est ed f or pr econst r uct i on adhesi on and compat i bi l i t y , cohesi ve f ai l ur e of seal ant shal l occur bef or e adhesi ve f ai l ur e. Adhesi ve f ai l ur e occur s when seal ant pul l s away f r om subst r at e c l eanl y, l eavi ng no seal ant mat er i al behi nd. Cohesi ve f ai l ur e occur s when seal ant br eaks or t ear s wi t hi n i t sel f but does not separ at e f r om each subst r at e because seal ant - t o- subst r at e bond st r engt h exceeds seal ant ' s i nt er nal st r engt h.

1. 6 GLAZED CURTAI N WALL SYSTEM REQUI REMENTS

Pr ovi de syst em compl et e wi t h f r ami ng, mul l i ons, t r i m, wi ndows, gl ass, gl azi ng, seal ant s, f ast ener s, anchor s, accessor i es, conceal ed auxi l i ar y member s, and at t achment devi ces f or secur i ng t he wal l t o t he st r uct ur e as speci f i ed or i ndi cat ed.

1. 6. 1 Source

Fur ni sh cur t ai n wal l syst em component s by one manuf act ur er or f abr i cat or ;

however , al l component s need not be pr oduct s of t he same manuf act ur er .

1. 6. 2 Design

St i ck, st r uct ur al s i l i cone gl azed, capt ur ed per i met er bui l t capt ur ed edge syst em wi t h mul l i ons, and hor i zont al r ai l s . Ful l y coor di nat e syst em accessor i es di r ect l y i ncor por at ed, and adj acent t o cont i guous r el at ed wor k and i nsur e mat er i al s compat i bi l i t y , def l ect i on l i mi t at i ons, t her mal movement s, and c l ear ances and t ol er ances as i ndi cat ed or speci f i ed.

1. 6. 3 Ther mal Movement

Fabr i cat e, assembl e, and er ect syst em wi t h adequat e al l owances f or expansi on and cont r act i on of component s and f ast eni ngs t o pr event buckl i ng damage, j oi nt seal f ai l ur e, gl ass br eakage, undue st r ess on f ast eni ngs or ot her det r i ment al ef f ect s. For desi gn pur poses, base pr ovi s i ons f or t her mal movement on assumed ambi ent t emper at ur e r ange of f r om - 50 degr ees F t o 120 degr ees F.

1. 6. 4 Tolerances

Desi gn and er ect wal l syst em t o accommodat e t ol er ances i n bui l di ng f r ame and ot her cont i guous wor k as i ndi cat ed or speci f i ed. Pr ovi de wi t h t he f ol l owi ng t ol er ances:

a. Maxi mum var i at i on f r om pl ane or l ocat i on shown on appr oved shop dr awi ngs: 1/ 8 i nch per 12 f eet of l engt h up t o not mor e t han 1/ 2 i nch i n any t ot al l engt h.

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b. Maxi mum of f set f r om t r ue al i gnment bet ween t wo i dent i cal member s abut t i ng end t o end i n l i ne: 1/ 16 i nch.

1. 6. 5 St r uct ur al Requi r ement s

Member s may not def l ect i n a di r ect i on par al l el t o t he pl ane of t he wal l , when car r y i ng i t s f ul l desi gn l oad, mor e t han an amount whi ch wi l l r educe t he edge cover or gl ass bi t e bel ow 75 per cent of t he desi gn di mensi on.

Af t er def l ect i on under f ul l desi gn l oad, member s may not have a c l ear ance bet ween i t sel f and t he t op of t he panel , gl ass, sash, or ot her par t i mmedi at el y bel ow i t l ess t han 1/ 8 i nch. The cl ear ance bet ween t he member and an oper abl e door must be mi ni mum 1/ 16 i nch. Desi gn ent i r e syst em t o wi t hst and t he i ndi cat ed wi nd and concent r at ed l oads, and t he f ol l owi ng wi nd l oads act i ng nor mal t o t he pl ane of t he wal l :

a. On t he f i r st st or y above gr ade 28. 6 psf ul t i mat e, 17. 1 psf ser v i ce- l evel act i ng i nwar d, and t he same l oad act i ng out war d.

b. On cor ner ar eas, ext endi ng t hr ee f eet f r om t he bui l di ng cor ner s on al l f acades, t he out war d- act i ng ( negat i ve) desi gn l oad must be i ncr eased t o

35. 2 psf ul t i mat e, 21. 1 psf ser vi ce- l evel .

1. 6. 6 Sei smi c Cal cul at i ons

When t est ed t o AAMA 501. 4 & 501. 6, syst em must meet desi gn di spl acement of

0. 010 t i mes t he st or y hei ght and ul t i mat e di spl acement of 1. 5 t i mes t he desi gn di spl acement . Pr ovi de wi t h t he f ol l owi ng t ol er ances:

a. Phase I : 3 st r oke cycl es usi ng . 005 t i mes t he st or y hei ght - no damage or f ai l ur e.

b. Phase I I : 3 st r oke cycl es usi ng . 010 t i mes t he st or y hei ght - no damage or f ai l ur e.

1. 7 SUSTAI NABI LI TY REPORTI NG

Mat er i al s i n t hi s t echni cal speci f i cat i on may cont r i but e t owar ds cont r act compl i ance wi t h sust ai nabi l i t y r equi r ement s. See Sect i on 01 33 29. 02 00 SUSTAI NABI LI TY REPORTI NG f or r ecycl ed cont ent , bi ol ogi cal l y- based pr oduct s, l ow- emi t t i ng mat er i al s, and HPSB document at i on r equi r ement s.

1. 8 DELI VERY AND STORAGE

I nspect mat er i al s del i ver ed t o t he s i t e f or damage; unl oad and st or e wi t h a mi ni mum of handl i ng i n accor dance wi t h r ecommendat i ons cont ai ned i n AAMA CW- 10. St or age spaces must be dr y l ocat i ons wi t h adequat e vent i l at i on, f r ee f r om heavy dust , not subj ect t o combust i on pr oduct s or sour ces of wat er , and must al l ow f or easy access f or i nspect i on and handl i ng. Del i ver seal i ng compounds t o t he j ob s i t e i n seal ed cont ai ner s l abel ed t o show t he desi gnat ed name, f or mul a or speci f i cat i ons number ; l ot number ; col or ; dat e of manuf act ur er ; shel f l i f e; and cur i ng t i me when applicable.

1. 8. 1 Pr ot ect i ve Cover i ng

Pr i or t o shi pment f r om t he f act or y, pl ace knocked- down l i neal member s i n car dboar d cont ai ner s and cover f i ni shed sur f aces of al umi num wi t h pr ot ect i ve cover i ng of adhesi ve paper , wat er pr oof t ape, or st r i ppabl e pl ast i c. Cover i ng must not chi p, peel , or f l ake due t o t emper at ur e or

SECTI ON 08 44 23. 02 00 Page 7 weat her , must pr ot ect agai nst di scol or at i on and sur f ace damage f r om t r anspor t at i on, and st or age, and must be r esi st ant t o al kal i ne mor t ar and pl ast er . Do not cover al umi num sur f aces t hat wi l l be i n cont act wi t h seal ant s af t er i nst al l at i on.

1. 8. 2 Identification

Pr i or t o del i ver y, mar k wal l component s t o cor r espond wi t h shop and er ect i on dr awi ngs pl acement l ocat i on and er ect i on.

1. 9 WARRANTY

Guar ant ee i nsul at i ng gl ass uni t s not t o devel op mat er i al obst r uct i on of v i s i on as a r esul t of dust or f i l m f or mat i on on t he i nner gl ass sur f ace caused by f ai l ur e of t he seal , ot her t han t hr ough gl ass br eakage, wi t hi n a per i od of 5 year s f r om dat e of accept ance of wor k by t he Gover nment .

Repl ace uni t s f ai l i ng t o compl y wi t h t he t er ms of t hi s guar ant ee wi t h new uni t s wi t hout addi t i onal cost t o t he Gover nment . The Cont r act or must r equi r e t he manuf act ur er t o execut e t hei r war r ant i es i n wr i t i ng di r ect l y t o t he Gover nment .

1. 9. 1 Sampl e War r ant i es

Pr ovi de cur t ai n wal l and gl azi ng assembl y mat er i al and wor kmanshi p war r ant i es meet i ng speci f i ed r equi r ement s. Pr ovi de r evi s i on or amendment t o st andar d membr ane manuf act ur er war r ant y t o compl y wi t h t he speci f i ed requirements.

a. Pr oj ect War r ant y: Ref er t o Sect i on 01 11 00. 02 00 SUMMARY OF WORK and Sect i on 01 33 00. 02 00 SUBMI TTAL PROCEDURES f or pr oj ect war r ant y provisions.

b. Manuf act ur er ' s War r ant y: Submi t , f or Owner ' s accept ance, Manuf act ur er ' s st andar d war r ant y document execut ed by aut hor i zed company of f i c i al manuf act ur er ' s war r ant y i s i n addi t i on t o, and not a l i mi t at i on of , ot her r i ght s Owner may have under t he Cont r act Document s.

c. Benef i c i ar y: I ssue war r ant y i n t he l egal name of t he pr oj ect Owner .

d. War r ant y Per i od: Two year s commenci ng on Dat e of Subst ant i al Compl et i on, cover i ng compl et e cur t ai n wal l syst em f or f ai l ur e t o meet speci f i ed r equi r ement s.

e. War r ant y Accept ance: Owner i s sol e aut hor i t y who wi l l det er mi ne accept abi l i t y of manuf act ur er ' s war r ant y document s.

1. 10 QUALI FI CATI ONS FOR THE CURTAI N- WALL I NSTALLER

Submi t a wr i t t en descr i pt i on of t he pr oposed cur t ai n- wal l syst em i nst al l er gi v i ng t he name of t he cur t ai n- wal l manuf act ur er , qual i f i cat i ons of per sonnel , year s of concur r ent cont r act i ng exper i ence, l i s t s of pr oj ect s s i mi l ar i n scope t o t he speci f i ed wor k, and ot her i nf or mat i on as may be r equi r ed by t he Cont r act i ng Of f i cer .

1. 11 PERFORMANCE REQUI REMENTS

1. 11. 1 Al l owabl e Desi gn St r esses

Al umi num- al l oy f r ami ng member al l owabl e desi gn st r esses must be i n

SECTI ON 08 44 23. 02 00 Page 8 accor dance wi t h t he r equi r ement s of AA ADM per t ai ni ng t o bui l di ng t ype st r uct ur es made of t he speci f i ed al umi num al l oy.

1. 11. 2 St r uct ur al Capaci t y

Desi gn cur t ai n- wal l syst em, i ncl udi ng f r ami ng member s, wi ndows, door f r ames, met al accessor i es, panel s, and gl azi ng t o wi t hst and t he speci f i ed desi gn wi ndl oad act i ng nor mal t o t he pl ane of t he cur t ai n wal l and act i ng ei t her i nwar d or out war d.

Def l ect i on of any met al f r ami ng member i n a di r ect i on nor mal t o t he pl ane of t he cur t ai n wal l , when subj ect ed t o t he t est of st r uct ur al per f or mance, usi ng t he speci f i ed wi ndl oad i n accor dance wi t h AAMA/ WDMA/ CSA 101/ I . S. 2/ A440, must not exceed 1/ 175 of t he c l ear span of t he member or 3/ 4 i nch, whi chever val ue i s l ess.

Def l ect i on of any met al member i n a di r ect i on par al l el t o t he pl ane of t he cur t ai n wal l , when t he met al member i s car r y i ng i t s f ul l desi gn l oad, must not exceed 75 per cent of t he desi gn c l ear ance di mensi on bet ween t hat member and t he gl ass, sash, panel s, or ot her par t i mmedi at el y bel ow i t .

St r uct ur al - Seal ant Gl azi ng: Compl y wi t h ASTM C1401 f or desi gn and i nst al l at i on of cur t ai n- wal l assembl i es.

1. 11. 3 Pr ovi s i ons f or Ther mal Movement

Desi gn cur t ai n- wal l syst ems, i ncl udi ng f r ami ng member s, wi ndows, door s and f r ames, met al accessor i es, and ot her component s i ncor por at ed i nt o t he cur t ai n wal l , t o al l ow f or expansi on and cont r act i on of t he component par t s at an ambi ent t emper at ur e of 100 degr ees F wi t hout causi ng buckl i ng, openi ng of j oi nt s, over st r essi ng of f ast ener s, or ot her har mf ul ef f ect s.

1. 12 DRAWINGS

I nst al l at i on Dr awi ngs must i ncl ude t he f ol l owi ng i nf or mat i on f or cur t ai n wal l assembl i es.

Cur t ai n- wal l l ocat i ons i n bui l di ng, l ayout and el evat i ons, di mensi ons, shapes and si zes of member s, t hi ckness of met al s, t ypes and l ocat i ons of shop and f i el d connect i ons, det ai l s of anchor age t o bui l di ng const r uct i on, gl azi ng pr ovi s i ons, and ot her per t i nent const r uct i on and er ect i on det ai l s .

Panel di mensi ons, t hi cknesses and ki nds of mat er i al s, edge det ai l s , det ai l s of i nst al l at i on i n cur t ai n- wal l f r ami ng, and ot her per t i nent const r uct i on and er ect i on det ai l s .

1. 13 MANUFACTURER' S I NFORMATI ON

Pr event i ve Mai nt enance and I nspect i on must consi st of t he al umi num manuf act ur er ' s r ecommended cl eani ng mat er i al s and appl i cat i on met hods, i ncl udi ng det r i ment al ef f ect s t o t he al umi num f i ni sh when i mpr oper l y applied.

PART 2 PRODUCTS

2. 1 PRODUCT SUSTAI NABI LI TY CRI TERI A

For pr oduct s i n t hi s sect i on, wher e appl i cabl e and t o ext ent al l owed by per f or mance cr i t er i a, pr ovi de and document t he f ol l owi ng:

SECTI ON 08 44 23. 02 00 Page 9

2. 1. 1 Recycl ed cont ent of Al umi num

Pr ovi de al umi num meet i ng t he r ecycl ed cont ent r equi r ement s as st at ed wi t hi n t hi s sect i on and pr ovi de document at i on i n accor dance wi t h Sect i on 01 33 29. 02 00 SUSTAI NABI LI TY REPORTI NG par agr aph RECYCLED CONTENT.

2. 1. 2 Recycl ed cont ent of Al umi num Cur t ai n- wal l Fr ami ng Member s

Pr ovi de al umi num cur t ai n- wal l f r ami ng member s meet i ng t he r ecycl ed cont ent r equi r ement s as st at ed wi t hi n t hi s sect i on and pr ovi de document at i on i n accor dance wi t h Sect i on 01 33 29. 02 00 SUSTAI NABI LI TY REPORTI NG par agr aph

RECYCLED CONTENT.

2. 2 MATERIALS

2. 2. 1 Aluminum

Must be f r ee f r om def ect s i mpai r i ng st r engt h or dur abi l i t y of sur f ace f i ni sh. Pr ovi de st andar d al l oys conf or mi ng t o st andar ds and desi gnat i ons of AA ASD1. Speci al al l oys, not cover ed by t he f ol l owi ng ASTM speci f i cat i ons, must conf or m t o st andar ds and desi gnat i ons r ecommended by t he manuf act ur er f or t he pur pose i nt ended.

Pr ovi de Al umi num Fr ames and Cur t ai n- wal l Fr ami ng Member s wi t h a mi ni mum r ecycl ed cont ent of 20 per cent .

2. 2. 1. 1 Wr ought Al umi num Al l oys

Must be t hose whi ch i ncl ude al umi num al l oyi ng el ement s not exceedi ng t he f ol l owi ng maxi mum l i mi t s when t est ed and addi t i onal i n accor dance wi t h ASTM E34. These l i mi t s appl y t o bot h bar e pr oduct s and t he cor e of c l ad pr oduct s. The c l addi ng of c l ad pr oduct s must be wi t hi n t he same l i mi t s except t hat t he maxi mum zi nc l i mi t may be 2. 5 per cent i n or der t o assur e t hat t he c l addi ng i s anodi c t o t he cor e. Speci al wr ought al l oys wi t h a s i l i con cont ent not mor e t han 7. 0 per cent wi l l be accept abl e f or l i mi t ed st r uct ur al uses wher e speci al appear ance i s r equi r ed:

Wi t hi n t he chemi cal composi t i on l i mi t s set f or t h above, wr ought al umi num al l oys must conf or m t o t he f ol l owi ng:

a. Ext r uded bar s, r ods, shapes and t ubes: ASTM B221.

2. 2. 1. 2 Finish

Anodi zed f i ni sh on al umi num sur f aces must mat ch i n appear ance or f al l wi t hi n t he t wo ext r emes of col or r ange of t he appr oved sampl es. The f ol l owi ng desi gnat i on of f i ni shes r ef er t o st andar d f i ni shes as def i ned i n the NAAMM AMP 500. Al umi num used f or f r ami ng must have a col or anodi zed f i ni sh desi gnat i on AA- MI O- C22- A34 and AA- MI OC22- A44, meet i ng t he r equi r ement s of AAMA 611.

2. 2. 1. 3 Strength

Al umi num ext r usi ons f or f r ami ng member s used i n cur t ai n wal l s and mai n f r ame and sash or vent i l at or member s i n wi ndows must have a mi ni mum ul t i mat e t ensi l e st r engt h of 22, 000 psi and a mi ni mum yi el d st r engt h of 16, 000 psi .

SECTI ON 08 44 23. 02 00 Page 10

2. 2. 2 Met al Fast ener s

Pr ovi de f ast ener s as speci f i ed i n par agr aph ent i t l ed " Fast ener Met al s f or Joi ni ng Var i ous Met al Combi nat i ons" i n " Par t 2 - Pr oduct s" of t he AAMA MCWM- 1. Met al s f or f ast ener s must be chemi cal l y and gal vani cal l y compat i bl e wi t h cont i guous mat er i al s.

2. 2. 3 Joi nt Seal ant s and Accessor i es

Pr ovi de manuf act ur er ' s st andar d col or s t o c l osel y mat ch adj acent sur f aces.

For i nt er i or appl i cat i on of j oi nt seal ant s compl y wi t h appl i cabl e r egul at i ons r egar di ng r educed VOC' s as speci f i ed i n Sect i on 07 92 00. 02 00

JOI NT SEALANTS.

2. 2. 3. 1 El ast omer i c, Si ngl e or Mul t i pl e Component

ASTM C920, Type S, s i ngl e component . Use Gr ade NS, nonsag t ype i n j oi nt s on ver t i cal sur f aces and use Gr ade P, sel f - l evel i ng or f l ow t ype, i n j oi nt s on hor i zont al sur f aces.

2. 2. 3. 2 Si ngl e Component Si l i cone Rubber Base

ASTM C920, Type S, Gr ade NS ( Si l i cone) .

2. 2. 3. 3 Sol vent s and Pr i mer s

Pr ovi de mat er i al whi ch i s qui ck dr y i ng, col or l ess, nonst ai ni ng, compat i bl e wi t h compound used, as r ecommended by seal ant manuf act ur er . Wher e pr i mer i s speci f i ed or r ecommended by seal ant manuf act ur er , t est s r el at ed t o t hat mat er i al must i ncl ude pr i mer .

2. 2. 3. 4 Backi ng Mat er i al

Pr ovi de mat er i al whi ch i s nonst ai ni ng, nonabsor bent , and compat i bl e wi t h seal i ng compound. Cl osed cel l r esi l i ent ur et hane, pol yvi nyl chl or i de or pol yet hyl ene f oam; c l osed- cel l sponge of v i nyl or r ubber ; c l osed cel l neopr ene or but y l r od; or pol ychl or opr ene t ubes or beads.

2. 2. 3. 5 Bond Pr event i ve Mat er i al s

Pr ovi de pol yet hyl ene t ape wi t h pr essur e- sensi t i ve adhesi ve; al umi num f oi l or waxed paper .

2. 2. 4 Gl ass and Gl azi ng

Mat er i al s ar e speci f i ed under Sect i on 08 88 36. 02 00 DYNAMI C GLAZI NG.

2. 2. 4. 1 Gl ass Set t i ng Mat er i al s

a. Seal ant s and pr ef or med seal i ng compounds: Must be as speci f i ed under par agr aph ent i t l ed " Joi nt Seal ant and Accessor i es. "

b. Set t i ng bl ocks, edge bl ocks, and spacer shi ms: Fabr i cat e f r om neopr ene or ot her mat er i al s r ecommended by gl ass manuf act ur er compat i bl e wi t h compounds, seal ant s, or gasket s used. Unl ess ot her wi se r ecommended by t he gl ass manuf act ur er , shor e " A" Dur omet er har dness f or set t i ng and edge bl ocks must be 90 pl us or mi nus 5; f or spacer shi ms, 50 pl us or mi nus 5.

SECTI ON 08 44 23. 02 00 Page 11

2. 2. 5 Met al Accessor i es

Met al s i l l s and door f r ames. Fabr i cat e accessor i es of s i zes and shapes i ndi cat ed f r om si mi l ar mat er i al s and f i ni sh as speci f i ed f or wal l syst em.

2. 3 METALS FOR FABRI CATI ON

2. 3. 1 Al umi num- Al l oy Ext r usi ons

Ext r usi ons must conf or m t o ASTM B221.

2. 3. 2 Al umi num- Al l oy Sheet s and Pl at es

Unl ess ot her wi se speci f i ed, sheet s and pl at es must conf or m t o ASTM B209, Al l oy 3003- H16.

Sheet s and pl at es t o r ecei ve a c l ear anodi c coat i ng must conf or m t o ASTM B209, Al l oy 5005- H16.

2. 3. 3 Met al s f or Fast ener s

Pr ovi de al umi num- al l oy bol t s and scr ews made f r om r od conf or mi ng t o ASTM B211, Al l oy 2024- T351.

Pr ovi de al umi num- al l oy nut s made f r om r od conf or mi ng t o ASTM B211, Al l oy 6061-T6.

Pr ovi de al umi num- al l oy washer s made f r om sheet conf or mi ng t o ASTM B209, Al l oy 2024- T4.

Pr ovi de al umi num- al l oy r i vet s made f r om r od or wi r e conf or mi ng t o ASTM B316/ B316M, Al l oy 6053- T61.

Pr ovi de st eel f ast ener s made f r om cor r osi on- r esi st ant chr omi um- ni ckel Type 302, 303, 304, 305, or 316 wi t h t he f or m and condi t i on best sui t ed f or t he work.

2. 4 NONSKI NNI NG SEALI NG COMPOUND

Seal i ng compound must be nonski nni ng, gun- gr ade t ype conf or mi ng t o AAMA 800.

2. 5 FABRICATION

2. 5. 1 Workmanship

Met al Accessor i es must be accur at el y f or med; j oi nt s, except t hose desi gned t o accommodat e movement , accur at el y f i t t ed and r i gi dl y assembl ed.

2. 5. 2 Dept h of Gl azi ng Rabbet s

Dept h of gl azi ng r abbet s f or openi ngs t o r ecei ve gl ass mat er i al s or panel s must be 3/ 4- i nch mi ni mum.

2. 5. 3 Finish

Exposed- t o- Vi ew Al umi num Fi ni sh of sur f aces must be:

Fr ost ed f i ni sh wi t h Cl ass I c l ear anodi c coat i ng: Medi um- mat t e chemi cal et ch and Ar chi t ect ur al Cl ass I ( 0. 7- mi l and gr eat er t hi ckness) anodi c

SECTI ON 08 44 23. 02 00 Page 12 coat i ng pr oduci ng a nat ur al al umi num col or . Fi ni sh must be AA C22- A41 i n accor dance wi t h AA DAF45.

Test t he anodi c coat i ng on al umi num f or t hi ckness i n accor dance wi t h

ASTM B244.

Test anodi cal l y coat ed al umi num f or t he wei ght of t he coat i ng i n accor dance with ASTM B137.

Test t he r esi st ance of anodi cal l y coat ed al umi num t o st ai ni ng by dyes i n accor dance wi t h ASTM B136.

2. 6 CURTAI N- WALL FRAMI NG MEMBERS

2. 6. 1 General

Cur t ai n- wal l f r ami ng must be t he ver t i cal mul l i on t ype wi t h t he ver t i cal mul l i ons ext endi ng t he i ndi cat ed di st ance beyond t he ext er i or f ace of t he cur t ai n wal l .

2. 6. 2 Construction

Fr ami ng member s must be al umi num- al l oy ext r usi ons wi t h a wal l t hi ckness not l ess t han 0. 125 i nch. Gl azi ng r abbet l egs must be an i nt egr al par t of t he f r ame wi t h t he l eg dept h not l ess t han t he mi ni mum dept h speci f i ed f or t he t hi ckness and si ze of t he gl ass mat er i al or panel t o be i nst al l ed i n t he cur t ai n- wal l f r ame. Desi gn and const r uct f r ames t o r ecei ve wi ndow sash and l ouver s of t he t ype speci f i ed when r equi r ed.

Pr epar e ver t i cal mul l i ons f or anchor age t o t he bui l di ng const r uct i on at t he bot t om, at each i nt er medi at e f l oor el evat i on, and at t he t op.

Cor ner s of f r ames must be mor t i se- and- t enon const r uct i on. Cor ner j oi nt s must be accur at el y f i t t ed and f l ush, wi t h wat er t i ght hai r l i ne j oi nt s not exceedi ng 1/ 64 i nch i n wi dt h. Appl y nonski nni ng seal i ng compound t o t he unexposed sur f aces of al l mor t i se- and- t enon j oi nt s.

2. 7 ALUMI NUM DOORS AND FRAMES

Al umi num door s ar e speci f i ed i n Sect i on 08 11 16. 02 00 ALUMI NUM DOORS AND FRAMES. Pr ovi de door f r ame pr of i l es compat i bl e wi t h cur t ai n wal l .

2. 8 METAL ACCESSORI ES

2. 8. 1 Sills

Si l l s must be t he shapes and di mensi ons i ndi cat ed and f abr i cat ed of al umi num- al l oy ext r usi ons havi ng a wal l t hi ckness not l ess t han 0. 125 i nch.

Si l l s must r un cont i nuousl y under t he cur t ai n wal l and per mi t t he l ower cur t ai n wal l f r ame member t o i nt er l ock wi t hout f ast eni ngs.

2. 9 SEALANTS

Seal ant s ar e speci f i ed i n Sect i on 07 92 00. 02 00 JOI NT SEALANTS.

2. 9. 1 St r uct ur al Gl azi ng Seal ant s

ASTM C1184, chemi cal l y cur i ng s i l i cone f or mul at i on t hat i s compat i bl e wi t h

SECTI ON 08 44 23. 02 00 Page 13 syst em component s wi t h whi ch i s comes i n cont act , speci f i cal l y f or mul at ed and t est ed f or use as st r uct ur al seal ant and appr oved by st r uct ur al - seal ant manuf act ur er f or use i n cur t ai n- wal l assembl y i ndi cat ed. Col or t o be Gr ay.

Weat her seal Seal ant s: ASTM C920 f or Type S; Gr ade NS; Cl ass 25; Uses NT, G, A, and O; chemi cal l y cur i ng s i l i cone f or mul at i on t hat i s compat i bl e wi t h st r uct ur al seal ant and ot her syst em component s wi t h whi ch i s comes i n cont act ; r ecommended by st r uct ur al - seal ant , weat her seal - seal ant , and st r uct ur al - seal ant - gl azed cur t ai n- wal l manuf act ur er s f or t hi s use. Col or t o be Gr ay.

2. 10 CURTAI N- WALL I NSTALLATI ON MATERI ALS

2. 10. 1 Wedge Concr et e I nser t s

Gal vani zed, box- t ype, f er r ous cast i ngs wi t h an i nt egr al l oop at t he back of t he box and desi gned f or 3/ 4- i nch di amet er bol t s wi t h wedge- shaped heads must conf or m t o ASTM A47/ A47M, ASTM A27/ A27M, Gr ade U- 60- 30, and hot - di p gal vani zed i n accor dance wi t h ASTM A153/ A153M.

Car bon st eel bol t s wi t h wedge- shaped heads, nut s, washer s, and shi ms must be hot - di p gal vani zed i n accor dance wi t h ASTM A153/ A153M.

2. 10. 2 St eel Bol t s, Nut s, and Washer s

Bol t s must be r egul ar hexagon head, l ow- car bon st eel .

Nut s must be hexagon, r egul ar st y l e, car bon st eel .

Pl ai n washer s must be r ound, gener al - assembl y pur pose, car bon st eel .

Lockwasher s must be hel i cal spr i ng, car bon st eel .

PART 3 EXECUTI ON

3. 1 GENERAL

I nst al l cur t ai n wal l s and accessor i es i n accor dance wi t h t he appr oved dr awi ngs and as speci f i ed.

3. 2 FABRICATION

Pr ovi de cur t ai n wal l component s of t he mat er i al s and t hi ckness i ndi cat ed or speci f i ed. The det ai l s i ndi cat ed ar e r epr esent at i ve of t he r equi r ed desi gn and pr of i l es. Accept abl e desi gns may di f f er f r om t hat shown i f t he pr oposed syst em component s conf or m t o t he l i mi t i ng di mensi ons i ndi cat ed and t he r equi r ement s speci f i ed her ei n. Unl ess speci f i cal l y i ndi cat ed or speci f i ed ot her wi se, t he met hods of f abr i cat i on and assembl y must be at t he di scr et i on of t he cur t ai n wal l manuf act ur er . Per f or m f i t t i ng and assembl i ng of component s i n t he shop t o t he maxi mum ext ent pr act i cabl e.

Pr ovi de anchor age devi ces wi t h adj ust ment capabi l i t y i n t hr ee di r ect i ons.

Exposed f ast eni ngs used on f i ni shed sur f aces must be t r uss head, f l at head, or oval head scr ews or bol t s.

3. 2. 1 Joints

Pr ovi de wel ded or mechani cal f ast ener s as i ndi cat ed or speci f i ed. Mat ch j oi nt s i n exposed wor k t o pr oduce cont i nui t y of l i ne and desi gn. Bed- j oi nt s or r abbet s r ecei v i ng seal i ng mat er i al must be mi ni mum 3/ 4 i nch deep and 3/ 8

SECTI ON 08 44 23. 02 00 Page 14 i nch wi de at mi d ambi ent t emper at ur e r ange.

3. 2. 2 Vent i l at i on and Dr ai nage

Pr ovi de i nt er nal vent i l at i on dr ai nage syst em of weeps or based on pr i nci pl es of pr essur e equal i zat i on t o vent i l at e t he wal l i nt er nal l y and t o di schar ge condensat i on and wat er l eakage t o ext er i or as i nconspi cuousl y as possi bl e. Fl ashi ngs and ot her mat er i al s used i nt er nal l y must be nonst ai ni ng, noncor r osi ve, and nonbl eedi ng.

3. 2. 3 Pr ot ect i on and Tr eat ment of Met al s

3. 2. 3. 1 General

Remove f r om met al sur f aces l ubr i cant s used i n f abr i cat i on and cl ean of f ot her ext r aneous mat er i al bef or e l eavi ng t he shop.

3. 2. 3. 2 Gal vani c Act i on

Pr ovi de pr ot ect i on agai nst gal vani c act i on wher ever di ssi mi l ar met al s ar e i n cont act , except i n t he case of al umi num i n per manent cont act wi t h gal vani zed st eel , z i nc, st ai nl ess st eel , or r el at i vel y smal l ar eas of whi t e br onze. Pai nt cont act sur f aces wi t h one coat bi t umi nous pai nt or appl y appr opr i at e seal ant mat er i al or nonabsor pt i ve, noncor r osi ve, and nonst ai ni ng t ape or gasket bet ween cont act sur f aces.

3. 2. 3. 3 Pr ot ect i on f or Al umi num

Pr ot ect al umi num whi ch i s pl aced i n cont act wi t h, bui l t i nt o, or whi ch wi l l r ecei ve dr ai nage f r om masonr y, l i me mor t ar , concr et e, or pl ast er wi t h one coat of al kal i - r esi st ant bi t umi nous pai nt . Wher e al umi num i s cont act ed by absor pt i ve mat er i al s subj ect t o r epeat ed wet t i ng or t r eat ed wi t h pr eser vat i ve noncompat i bl e wi t h al umi num, appl y t wo coat s of al umi num pai nt , t o such mat er i al s and seal j oi nt s wi t h appr oved seal ant compound.

3. 3 INSTALLATION

I nst al l at i on and er ect i on of gl azed wal l syst em and al l component s must be per f or med under di r ect super vi s i on of and i n accor dance wi t h appr oved r ecommendat i ons and i nst r uct i ons of wal l syst em manuf act ur er or f abr i cat or .

Any mat er i al s t hat show vi sual ev i dence of bi ol ogi cal gr owt h due t o t he pr esence of moi st ur e must not be i nst al l ed on t he bui l di ng pr oj ect .

3. 3. 1 Ver i f y i ng Condi t i ons and Adj acent Sur f aces

Af t er est abl i shment of l i nes and gr ades and pr i or t o syst em i nst al l at i on exami ne suppor t i ng st r uct ur al el ement s. Ver i f y gover ni ng di mensi ons, i ncl udi ng f l oor el evat i ons, f l oor t o f l oor hei ght s, mi ni mum cl ear ances bet ween cur t ai n wal l and st r uct ur al f r ames, and ot her per mi ssi bl e di mensi onal t ol er ances i n t he bui l di ng f r ame.

3. 3. 2 Windows

3. 3. 2. 1 Sealing

Seal ext er i or met al t o met al j oi nt s bet ween member s of wi ndows, f r ames, mul l i ons, and mul l i on cover s. Remove excess seal ant .

SECTI ON 08 44 23. 02 00 Page 15

3. 3. 3 Joi nt Seal ant s

3. 3. 3. 1 Sur f ace Pr epar at i on

Sur f aces t o be pr i med and seal ed must be c l ean, dr y t o t he t ouch, f r ee f r om f r ost , moi st ur e, gr ease, oi l , wax, l acquer , pai nt , or ot her f or ei gn mat t er . Encl ose j oi nt s on t hr ee s i des. Cl ean out gr ooves t o pr oper dept h.

Joi nt di mensi ons must conf or m t o appr oved det ai l dr awi ngs wi t h a t ol er ance of pl us 1/ 8 i nch. Do not appl y compound unl ess ambi ent t emper at ur e i s bet ween 40 and 90 degr ees F. Cl ean out l oose par t i c l es and mor t ar j ust bef or e seal i ng. Remove pr ot ect i ve coat i ngs or cover i ngs f r om sur f aces i n cont act wi t h seal ant s bef or e appl y i ng seal ant s or t apes. Sol vent s used t o r emove coat i ngs must be of t ype t hat l eave no r esi due on met al s.

3. 3. 3. 2 Applications

Mat ch appr oved sampl e. For ce compound i nt o gr ooves wi t h suf f i c i ent pr essur e t o f i l l gr ooves sol i dl y. Seal i ng compound must be uni f or ml y smoot h and f r ee of wr i nkl es and, unl ess i ndi cat ed ot her wi se, t ool ed and l ef t suf f i c i ent l y convex t o r esul t i n a f l ush j oi nt when dr y. Do not t r i m edges of seal i ng mat er i al af t er j oi nt s ar e t ool ed. Mi x onl y amount of mul t i - component seal ant whi ch can be i nst al l ed wi t hi n f our hour s, not t o exceed 5 gal l ons at any gi ven t i me.

3. 3. 3. 3 Primer

Appl y t o masonr y, wood, and ot her sur f aces as r ecommended by seal ant manuf act ur er . Do not appl y pr i mer t o sur f aces whi ch wi l l be exposed af t er seal i ng i s compl et ed.

3. 3. 3. 4 Backing

Ti ght l y pack i n bot t om of j oi nt s whi ch ar e over 1/ 2 i nch i n dept h wi t h speci f i ed backi ng mat er i al t o dept h i ndi cat ed or speci f i ed. Rol l backi ng mat er i al of hose or r od st ock i nt o j oi nt s t o pr event l engt hwi se st r et chi ng.

3. 3. 3. 5 Bond Pr event i on

I nst al l bond pr event i ve mat er i al at back or bot t om of j oi nt cavi t i es i n whi ch no backst op mat er i al i s r equi r ed, cover i ng f ul l wi dt h and l engt h of j oi nt cavi t i es.

3. 3. 3. 6 Pr ot ect i on and Cl eani ng

Remove compound smear s f r om sur f aces of mat er i al s adj acent t o seal ed j oi nt s as t he wor k pr ogr esses. Use maski ng t ape on each si de of j oi nt wher e t ext ur e of adj acent mat er i al wi l l be di f f i cul t t o c l ean. Remove maski ng t ape i mmedi at el y af t er f i l l i ng j oi nt . Scr ape of f f r esh compound f r om adj acent sur f aces i mmedi at el y and r ub c l ean wi t h appr oved sol vent . Upon compl et i on of caul k i ng and seal i ng, r emove r emai ni ng smear s, st ai ns, and ot her soi l i ng, and l eave t he wor k i n c l ean neat condi t i on.

3. 3. 4 Glass

I nst al l i n accor dance wi t h manuf act ur er ' s r ecommendat i ons as modi f i ed herein.

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3. 3. 4. 1 I nspect i on of Sash and Fr ames

Bef or e i nst al l i ng gl ass, i nspect sash and f r ames t o r ecei ve gl ass f or def ect s such as di mensi onal var i at i ons, gl ass c l ear ances, open j oi nt s, or ot her condi t i ons t hat wi l l pr event sat i sf act or y gl ass i nst al l at i on. Do not pr oceed wi t h i nst al l at i on unt i l def ect s have been cor r ect ed.

3. 3. 4. 2 Pr epar at i on of Gl ass and Rabbet s

Cl ean seal i ng sur f aces at per i met er of gl ass and seal i ng sur f aces of r abbet s and st op beads bef or e appl y i ng gl azi ng compound, seal i ng compound.

Use onl y appr oved sol vent s and cl eani ng agent s r ecommended by compound manufacturer.

3. 3. 4. 3 Posi t i oni ng Gl ass

Set gl ass f r om i nsi de t he bui l di ng unl ess ot her wi se i ndi cat ed or speci f i ed.

Mai nt ai n speci f i ed edge cl ear ances and gl ass bi t e at per i met er . Mai nt ai n posi t i on of gl ass i n r abbet and pr ovi de r equi r ed seal ant t hi ckness on bot h s i des of gl ass. For gl ass di mensi ons l ar ger t han 50 uni t ed i nches, pr ovi de set t i ng bl ocks at s i l l and spacer shi ms on al l f our s i des; l ocat e set t i ng bl ocks one quar t er way i n f r om each j amb edge of gl ass. Wher e set t i ng bl ocks and spacer shi ms ar e set i nt o gl azi ng compound or seal ant , but t er wi t h compound or seal ant , pl ace i n posi t i on, and al l ow t o f i r ml y set pr i or t o i nst al l at i on of gl ass.

3. 3. 4. 4 Set t i ng Met hods

Appl y gl azi ng compound, gl azi ng seal ant , uni f or ml y wi t h accur at el y f or med cor ner s and bevel s. Remove excess compound f r om gl ass and sash. Use onl y r ecommended t hi nner s, c l eaner s, and sol vent s. St r i p sur pl us compound f r om bot h s i des of gl ass and t ool at s l i ght angl e t o shed wat er and pr ovi de c l ean si ght l i nes. Secur e st op beads i n pl ace wi t h sui t abl e f ast eni ngs.

Do not appl y compound or seal ant at t emper at ur es l ower t han 40 degr ees F, or on damp, di r t y, or dust y sur f aces. Af t er gl azi ng, f i x vent i l at or s i n sash so t hey cannot be oper at ed unt i l compound or seal ant has set .

a. Use seal ant gl azi ng t o compl et el y f i l l channel on edges and on bot h s i des of gl ass.

3. 3. 4. 5 Voi d Space

Pr ovi de voi d space at head and j amb t o al l ow gl ass t o expand or move wi t hout exudi ng t he seal ant .

3. 3. 4. 6 I nsul at i ng Gl ass

Pr ovi de adequat e means t o weep i nci dent al wat er and condensat i on away f r om t he seal ed edges of i nsul at ed gl ass uni t s and out of t he wal l syst em.

3. 4 FI ELD TESTS

St r uct ur al - Seal ant Adhesi on: Test st r uct ur al seal ant accor di ng t o r ecommendat i ons i n ASTM C1401, Dest r uct i ve Test Met hod A, " Hand Pul l Tab ( Dest r uct i ve) , " Appendi x X2. Test a mi ni mum of t wo ar eas on each bui l di ng f acade. Repai r i nst al l at i on ar eas damaged by t est i ng. I n addi t i on, conduct f i el d check t est f or wat er l eakage on desi gnat ed wal l ar eas af t er er ect i on. Conduct t est on t wo wal l s. Conduct t est and t ake necessar y r emedi al act i on as descr i bed i n AM#3... AAMA 501. 1 AAMA 501. 2...AM#3 .

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3. 5 CLEANI NG AND PROTECTI ON

3. 5. 1 General

At t he compl et i on of t he i nst al l at i on, c l ean t he wor k t o r emove mast i c smear s and ot her f or ei gn mat er i al s.

3. 5. 2 Glass

Upon compl et i on of wal l syst em i nst al l at i on, t hor oughl y wash gl ass sur f aces on bot h s i des and r emove l abel s, pai nt spot s, put t y, compounds, and ot her def acement s. Repl ace cr acked, br oken, and def ect i ve gl ass wi t h new gl ass at no addi t i onal cost t o t he Gover nment .

3. 5. 3 Al umi num Sur f aces

Pr ot ect i on met hods, c l eani ng, and mai nt enance must be i n accor dance wi t h

AAMA 609 & 610.

3. 6 I NSTALLATI ON TOLERANCES

I nst al l cur t ai n wal l s wi t hi n t he f ol l owi ng t ol er ances:

Devi at i on i n l ocat i on f r om t hat i ndi cat ed on t he drawings

Pl us or mi nus 1/ 4 i nch

Devi at i on f r om t he pl umb or hor i zont al

I n 12 f eet of l engt h Not mor e t han 1/ 8 i nch

I n any t ot al l engt h Not mor e t han 1/ 2 i nch

Of f set f r om t r ue al i gnment at j oi nt s bet ween abut t i ng member s i n l i ne

Not mor e t han 1/ 16 i nch

3. 7 PLACI NG CURTAI N- WALL FRAMI NG MEMBERS

I nst al l member s pl umb, l evel , and wi t hi n t he l i mi t s of t he i nst al l at i on t ol er ances speci f i ed.

Connect member s t o bui l di ng f r ami ng. Pr ovi de suppor t i ng br acket s adj ust ment s f or t he accur at e l ocat i on of cur t ai n- wal l component s.

Adj ust abl e connect i ons must be r i gi dl y f i xed af t er member s have been positioned.

3. 8 I NSPECTI ON AND ACCEPTANCE PROVI SI ONS

3. 8. 1 Fi ni shed Cur t ai n- Wal l Syst em Requi r ement s

Cur t ai n- wal l wor k must be r ej ect ed f or any of t he f ol l owi ng def i c i enci es:

Fi ni sh of exposed- t o- v i ew al umi num havi ng col or and appear ance t hat ar e out s i de t he col or and appear ance r ange.

I nst al l ed cur t ai n- wal l component s havi ng st ai ned, di scol or ed, abr aded, or ot her wi se damaged exposed- t o- v i ew sur f aces t hat cannot be c l eaned or

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Al umi num sur f aces i n cont act wi t h di ssi mi l ar mat er i al s t hat ar e not pr ot ect ed as speci f i ed.

3. 8. 2 Repai r of Def ect i ve Wor k

Remove and r epl ace def ect i ve wor k wi t h cur t ai n- wal l mat er i al s t hat meet t he speci f i cat i ons at no expense t o t he Gover nment .

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