Aluminum_Standing_Seam_Roofing_Specification.pdf

Repl ace Secur i t y For ces and Communi cat i ons Tr ai ni ng Faci l i t y WKVB109058

SECTI ON 07 61 15. 00 20

ALUMI NUM STANDI NG SEAM ROOFI NG

08/16

PART 1 GENERAL

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.

ALUMI NUM ASSOCI ATI ON ( AA)

AA ADM ( 2015) Al umi num Desi gn Manual

AA ASM- 35 ( 2000) Speci f i cat i ons f or Al umi num Sheet Met al Wor k i n Bui l di ng Const r uct i on, Const r uct i on Manual Ser i es Sect i on 5

AMERI CAN I RON AND STEEL I NSTI TUTE ( AI SI )

AI SI SG03- 3 ( 2002; Suppl 2001- 2004; R 2008) Col d- For med St eel Desi gn Manual Set

AMERI CAN WOOD COUNCI L ( AWC)

AWC NDS ( 2015) Nat i onal Desi gn Speci f i cat i on ( NDS) f or Wood Const r uct i on

ASTM I NTERNATI ONAL ( ASTM)

ASTM B117 ( 2016) St andar d Pr act i ce f or Oper at i ng Sal t Spr ay ( Fog) Appar at us

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 D1654 ( 2008; R 2016; E 2017) St andar d Test Met hod f or Eval uat i on of Pai nt ed or Coat ed Speci mens Subj ect ed t o Cor r osi ve Environments

ASTM D2247 ( 2015) Test i ng Wat er Resi st ance of Coat i ngs i n 100% Rel at i ve Humi di t y

ASTM D2565 ( 2016) St andar d Pr act i ce f or Xenon Ar c Exposur e of Pl ast i cs I nt ended f or Out door Applications

ASTM D4214 ( 2007; R 2015) St andar d Test Met hod f or Eval uat i ng t he Degr ee of Chal k i ng of Ext er i or Pai nt Fi l ms

ASTM D522/ D522M ( 2014) Mandr el Bend Test of At t ached Or gani c Coat i ngs

SECTI ON 07 61 15. 00 20 Page 1

ASTM D523 ( 2014; R 2018) St andar d Test Met hod f or Specul ar Gl oss

ASTM D714 ( 2002; R 2017) St andar d Test Met hod f or Eval uat i ng Degr ee of Bl i st er i ng of Pai nt s

ASTM D968 ( 2017) St andar d Test Met hods f or Abr asi on Resi st ance of Or gani c Coat i ngs by Fal l i ng Abrasive

ASTM E1592 ( 2005; R 2012) St r uct ur al Per f or mance of Sheet Met al Roof and Si di ng Syst ems by Uni f or m St at i c Ai r Pr essur e Di f f er ence

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 E84 ( 2018a) St andar d Test Met hod f or Sur f ace Bur ni ng Char act er i st i cs of Bui l di ng Materials

ASTM G152 ( 2013) Oper at i ng Open Fl ame Car bon Ar c Li ght Appar at us f or Exposur e of Nonmet al l i c Mat er i al s

ASTM G153 ( 2013) Oper at i ng Encl osed Car bon Ar c Li ght Appar at us f or Exposur e of Nonmet al l i c Materials

NATI ONAL ROOFI NG CONTRACTORS ASSOCI ATI ON ( NRCA)

NRCA CONDET ( 2014) Const r uct i on Det ai l s Manual

SHEET METAL AND AI R CONDI TI ONI NG CONTRACTORS' NATI ONAL ASSOCI ATI ON

(SMACNA)

SMACNA 1793 ( 2012) Ar chi t ect ur al Sheet Met al Manual , 7t h Edi t i on

U. S. DEPARTMENT OF ENERGY ( DOE)

Ener gy St ar ( 1992; R 2006) Ener gy St ar Ener gy Ef f i c i ency Label i ng Syst em ( FEMP)

1. 2 DEFINITIONS

1. 2. 1 Fi el d- For med Seam

Seams of panel s so conf i gur ed t hat when adj acent sheet s ar e i nst al l ed t he seam i s seal ed ut i l i z i ng mechani cal or hand seamer s. Cr i mped ( 45 degr ee bend) , r ol l f or med ( 180 degr ee bend) , doubl e r ol l f or med ( 2 - 180 degr ee bend) , and r ol l and l ock syst ems ar e t ypes of f i el d- f or med seam syst ems.

1. 2. 2 Snap Toget her Seam

Panel s so conf i gur ed t hat t he mal e and f emal e por t i ons of t he seam i nt er l ock t hr ough t he appl i cat i on of f oot pr essur e or t ampi ng wi t h a

SECTI ON 07 61 15. 00 20 Page 2 mal l et . Snap- on cap conf i gur at i ons ar e a t ype of snap t oget her syst em.

1. 2. 3 Pre-Formed

For med t o t he f i nal , l ess f i el d- f or med seam, pr of i l e and conf i gur at i on i n t he f act or y.

1. 2. 4 Field-Formed

For med t o t he f i nal , l ess f i el d- f or med seam, pr of i l e and conf i gur at i on at t he s i t e of wor k pr i or t o i nst al l at i on.

1. 2. 5 Roof i ng Syst em

The r oof i ng syst em i s def i ned as t he assembl y of r oof i ng component s, i ncl udi ng r oof i ng panel s, f l ashi ng, f ast ener s, and accessor i es whi ch, when assembl ed pr oper l y r esul t i n a wat er t i ght i nst al l at i on.

1. 2. 6 SSMRS

St andi ng Seam Met al Roof Syst em ( SSMRS) i s abbr evi at i on of t he ent i r e r oof syst em speci f i ed her ei n wi t h al l component s and par t s comi ng f r om a s i ngl e manuf act ur er ' s syst em.

1. 3 SYSTEM DESCRI PTI ON

1. 3. 1 Desi gn Requi r ement s

a. Pr ovi de cont i nuous l engt h panel s wi t h no j oi nt s or seams, except wher e i ndi cat ed. I ndi v i dual panel s must be r emovabl e f or r epl acement of damaged mat er i al .

b. Ther e must be no exposed or penet r at i ng f ast ener s except wher e shown on t he appr oved shop dr awi ngs. Fast ener s i nt o wood must be st ai nl ess st eel sheet met al scr ews wi t h f ul l l engt h t hr eads. Fast ener s i nt o st eel must be st ai nl ess st eel or cadmi um pl at ed st ai nl ess st eel scr ews i nser t ed i nt o pr edr i l l ed hol es. Lengt h and di amet er of scr ews must be suf f i c i ent t o meet t he desi gn l oads wi t h a sui t abl e f act or of saf et y f or t he mat er i al t o whi ch t he r oof i ng component s ar e at t ached.

Cal cul at e f ast ener capaci t y i n accor dance wi t h AI SI SG03- 3, AA ADM or AWC NDS as appl i cabl e.

c. Roof panel s t andi ng seam must i ncl ude a capi l l ar y br eak and be mechani cal l y l ocked cl osed by t he manuf act ur er ' s l ocki ng t ool . The seam must i ncl ude a cont i nuous seal ant when r equi r ed by t he manuf act ur er t o wi t hst and t he r ai nf al l and wi nd speci f i ed i n par agr aph

MANUFACTURER' S REQUI REMENTS.

d. Roof panel anchor c l i ps must be conceal ed and desi gned t o al l ow f or t her mal movement of t he panel s, except wher e speci f i c f i xed poi nt s ar e indicated.

e. The syst em must r esi st t he posi t i ve and negat i ve l oads speci f i ed her ei n i n accor dance wi t h " Sheet Bui l di ng Sheat hi ng Desi gn Gui de" of t he AA ADM.

Det er mi ne capaci t y i n accor dance wi t h pr i nci pl es of ASTM E330/ E330M modi f i ed as f ol l ows:

( 1) Test panel s must be pr oduct i on mat er i al of t he t ype pr oposed f or use. Use ei t her f ul l l engt h or par t i al l engt h panel s wi t h

SECTI ON 07 61 15. 00 20 Page 3 at t achment r epr esent at i ve of t he mai n par t of t he r oof .

( 2) Test speci mens must be f i ve panel s wi de, span one or mor e suppor t s, and must have no end or edge at t achment or seal s t hat wi l l r est r i c t cr osswi se movement of t he panel s under l oad. Do not br i dge l ongi t udi nal seams wi t h t ape or f i l m t hat can r est r i c t separation.

( 3) Test panel s t o f ai l ur e. Repor t l oad at f ai l ur e.

f . Panel s must suppor t wal k i ng l oads wi t hout excessi ve di st or t i on or t el egr aphi ng of t he st r uct ur al suppor t s. Panel s must suppor t a 250 pound l oad concent r at ed on a 4 squar e i nch ar ea at t he cent er of t he panel wi t hout buckl i ng or per manent di st or t i on.

1. 3. 2 Per f or mance Requi r ement s

1. 3. 2. 1 Wi nd Loads

The r oof syst em and at t achment s must r esi st t he wi nd l oads as i ndi cat ed i n t he st r uct ur al deawi ngs:

1. 3. 2. 2 Resi st ance t o Wat er I nf i l t r at i on

Roof i ng syst em must show no i nf i l t r at i on at seams, edges, f l ashi ngs, count er f l ashi ngs and penet r at i ons when subj ect ed t o a r ai nf al l of 5 i nches per hour wi t h 124 mph wi nd.

1. 3. 2. 3 Ther mal Movement

The syst em must be capabl e of wi t hst andi ng t her mal movement based on a t emper at ur e r ange of 10 degr ees F bel ow desi gn l ow ai r t emper at ur e and 140 degr ees F f or mi l l f i ni sh and l i ght col or s and 180 degr ees F f or dar k colors.

1. 3. 2. 4 Deflection

Panel def l ect i on must not exceed L/ 180 of t he span.

1. 3. 2. 5 St r uct ur al Per f or mance

The st r uct ur al per f or mance t est met hods and r equi r ement s must be i n accor dance wi t h ASTM E1592.

1. 4 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 eNot ebook, i n conf or mance wi t h Section 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- 02 Shop Dr awi ngs

Roof i ng Panel s; G

Submi t dr awi ngs as necessar y t o suppl ement t he i nst r uct i ons and

SECTI ON 07 61 15. 00 20 Page 4 di agr ams. I ncl ude desi gn and er ect i on dr awi ngs cont ai ni ng an i somet r i c v i ew of t he r oof showi ng t he desi gn upl i f t pr essur es and di mensi ons of edge, r i dge and cor ner zones. Show t ypi cal and speci al condi t i ons i ncl udi ng f l ashi ngs, accessor y i nst al l at i on, mat er i al s and t hi cknesses, al l di mensi ons, anchor i ng met hods, seal ant l ocat i ons, seal ant t ape l ocat i ons, f ast ener l ayout , s i zes, spaci ng, pr ovi s i ons f or t her mal movement , t er mi nat i ons, penet r at i ons, and at t achment s. Det ai l s of i nst al l at i on must be i n accor dance wi t h t he manuf act ur er ' s St andar d I nst r uct i ons and det ai l s or t he SMACNA 1793. The manuf act ur er ' s t echni cal engi neer i ng depar t ment must appr ove t he dr awi ngs bef or e t hey ar e submitted.

SD- 03 Pr oduct Dat a

Roof i ng Panel s; G

Heat I s l and Reduct i on; S

At t achment Cl i ps

Closures

Accessories

Sample Warranty Cer t i f i cat e; G

Submi t f or al l mat er i al s t o be pr ovi ded. Submi t dat a suf f i c i ent t o i ndi cat e conf or mance t o speci f i ed r equi r ement s.

SD- 04 Sampl es

Roof i ng Panel s

Submi t a 12 i nch l ong sect i on of t ypi cal panel i n col or speci f i ed.

When col or s ar e not i ndi cat ed, submi t sampl es of not l ess t han si x di f f er ent manuf act ur er ' s st andar d col or s f or sel ect i on.

Accessories

Submi t each t ype of accessor y i t em used i n t he pr oj ect i ncl udi ng, but not l i mi t ed t o: each t ype of anchor c l i p, c l osur es, f ast ener s and l eg c l amps.

SD- 05 Desi gn Dat a

Load Cal cul at i ons; G

SD- 06 Test Repor t s

St r uct ur al Per f or mance; G

Panel Fi ni sh; G

Submi t r epor t s of t he t est s r equi r ed by t hi s sect i on.

Manuf act ur er ' s Fi el d I nspect i on; G

SECTI ON 07 61 15. 00 20 Page 5

Submi t manuf act ur er ' s t echni cal r epr esent at i ve' s i nspect i on r epor t s as r equi r ed i n par agr aph MANUFACTURER' S FI ELD I NSPECTI ON.

SD- 07 Cer t i f i cat es

Techni cal Repr esent at i ve

Qual i f i cat i on of I nst al l er

Submi t document at i on pr ovi ng t he i nst al l er i s f act or y- t r ai ned, has t he speci f i ed exper i ence and i s aut hor i zed by t he manuf act ur er t o i nst al l t he pr oduct s speci f i ed.

Coi l St ock Compat i bi l i t y ; G

Pr ovi de cer t i f i cat i on of coi l compat i bi l i t y wi t h r ol l f or mi ng machi ner y t o be used f or f or mi ng panel s wi t hout war pi ng, wavi ness, and r i ppl i ng not par t of panel pr of i l e; t o be done wi t hout damage, abr asi on or mar ki ng of f i ni sh coat i ng.

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

Sealant

Submi t manuf act ur er ' s seal ant r equi r ement s f or r oof i ng.

Installation Manual ; G

Submi t manuf act ur er ' s pr i nt ed i nst al l at i on manual / i nst r uct i ons and st andar d det ai l s .

SD- 11 Cl oseout Submi t t al s

Warranty

1. 5 LOAD CALCULATI ONS

Submi t l oad cal cul at i ons f or t he f ol l owi ng by a st r uct ur al engi neer r egi st er ed as a Pr of essi onal Engi neer i n any j ur i sdi ct i on ver i f y i ng t hat t he syst em suppl i ed meet s t he desi gn l oads i ndi cat ed. Coor di nat e cal cul at i ons wi t h manuf act ur er ' s t est r esul t s.

a. Wi nd l oad upl i f t desi gn pr essur e at r oof l ocat i ons speci f i ed i n par agr aph WI ND LOADS.

b. Cl i p spaci ng and al l owabl e l oad per c l i p cal cul at i ons.

c. The f ast eni ng of c l i ps t o st r uct ur e or i nt er medi at e suppor t spaci ng.

d. I nt er medi at e suppor t spaci ng and f ast eni ng t o st r uct ur e when r equi r ed.

e. Al l owabl e panel span at anchor age spaci ng i ndi cat ed.

f . Saf et y f act or used i n det er mi ni ng l oadi ng.

SECTI ON 07 61 15. 00 20 Page 6

1. 6 QUALI TY ASSURANCE

1. 6. 1 Pr er oof i ng Conf er ence

Af t er submi t t al s ar e r ecei ved and appr oved but bef or e r oof i ng and i nsul at i on wor k, i ncl udi ng associ at ed wor k, i s pr ef or med, t he Cont r act or must hol d a pr er oof i ng conf er ence t o r evi ew t he f ol l owi ng:

a. The dr awi ngs and speci f i cat i ons

b. Pr ocedur e f or on s i t e i nspect i on and accept ance of t he r oof i ng subst r at e and per t i nent st r uct ur al det ai l s r el at i ng t o t he r oof i ng system

c. Cont r act or ' s pl an f or coor di nat i on of t he wor k of t he var i ous t r ades i nvol ved i n pr ovi di ng t he r oof i ng syst em and ot her component s secur ed t o t he r oof i ng

d. Saf et y r equi r ement s.

The pr er oof i ng conf er ence must be at t ended by t he Cont r act or and per sonnel di r ect l y r esponsi bl e f or t he r oof i ng and i nsul at i on i nst al l at i on, mechani cal and el ect r i cal wor k, and t he r oof i ng manuf act ur er ' s t echni cal r epr esent at i ve. Conf l i c t s among t hose at t endi ng t he pr er oof i ng conf er ence must be r esol ved and conf i r med i n wr i t i ng bef or e r oof i ng wor k, i ncl udi ng associ at ed wor k, i s begun. Pr epar e wr i t t en mi nut es of t he pr er oof i ng conf er ence and submi t t o t he Cont r act i ng Of f i cer .

1. 6. 2 Manufacturer's Techni cal Repr esent at i ve

The r epr esent at i ve must have aut hor i zat i on f r om manuf act ur er t o appr ove f i el d changes and be t hor oughl y f ami l i ar wi t h t he pr oduct s and wi t h i nst al l at i ons i n t he geogr aphi cal ar ea wher e const r uct i on wi l l t ake pl ace.

The manuf act ur er ' s r epr esent at i ve must be an empl oyee of t he manuf act ur er wi t h at l east 5 year s exper i ence i n i nst al l i ng t he r oof syst em. The r epr esent at i ve must be avai l abl e t o per f or m f i el d i nspect i ons and at t end meet i ngs as r equi r ed her ei n, and as r equest ed by t he Cont r act i ng Of f i cer .

1. 6. 3 Qual i f i cat i on of I nst al l er

The r oof i ng syst em i nst al l er must be f act or y- t r ai ned, appr oved by t he al umi num r oof i ng syst em manuf act ur er t o i nst al l t he syst em, and must have a mi ni mum of t hr ee year s exper i ence as an appr oved appl i cat or wi t h t hat manuf act ur er . The appl i cat or must have appl i ed f i ve i nst al l at i ons of s i mi l ar s i ze and scope t o t hi s pr oj ect wi t hi n t he pr evi ous 3 year s.

1. 6. 4 Si ngl e Sour ce

Pr ovi de r oof i ng panel s, c l i ps, c l osur es and ot her accessor i es f r om a s i ngl e manufacturer.

1. 6. 5 Manufacturer

The SSMRS must be t he pr oduct of an al umi num r oof i ng i ndust r y r ecogni zed SSMRS manuf act ur er who has been i n t he pr act i ce of manuf act ur i ng SSMRS f or a per i od of not l ess t han 5 year s and who has been i nvol ved i n at l east 5 pr oj ect s s i mi l ar i n s i ze and compl exi t y t o t hi s pr oj ect .

SECTI ON 07 61 15. 00 20 Page 7

1. 6. 6 Labor at or y Test s For Panel Fi ni sh

Pr evi ousl y manuf act ur ed panel s of t he same t ype and f i ni sh as pr oposed f or t he pr oj ect must have been t est ed by an appr oved t est i ng l abor at or y t o ensur e conf or mance t o speci f i cat i ons. The t er m " appear ance of base met al " r ef er s t o t he al umi num base met al . Panel s must meet t he f ol l owi ng t est requirements.

1. 6. 6. 1 Sal t Spr ay Test

Panel s must wi t hst and a sal t spr ay t est f or a mi ni mum of 2000 hour s i n accor dance wi t h ASTM B117, i ncl udi ng t he scr i be r equi r ement i n t he t est .

I mmedi at el y upon r emoval of t he panel f r om t he t est , coat i ng must r ecei ve a r at i ng of 10, no bl i s t er i ng, as det er mi ned by ASTM D714; and a r at i ng of 7, 1/ 16 i nch f ai l ur e at scr i be, as det er mi ned by ASTM D1654, Rat i ng Schedul e No. 1.

1. 6. 6. 2 For mabi l i t y Test

For f or mabi l i t y t est , when subj ect ed t o a 180 degr ee bend over a 1/ 8 i nch di amet er mandr el i n accor dance wi t h ASTM D522/ D522M, ext er i or coat i ng f i l m must show onl y mi cr ochecki ng of t he ext er i or f i l m and t her e must be no l oss of adhesi on.

1. 6. 6. 3 Accel er at ed Weat her i ng Test

Panel s must wi t hst and an accel er at ed weat her i ng t est f or a mi ni mum of 2000 hour s i n accor dance wi t h ASTM G152, ASTM G153 or ASTM D2565 wi t hout cr acki ng, peel i ng, bl i s t er i ng, l oss of adhesi on of t he pr ot ect i ve coat i ng, or cor r osi on of t he base met al . Pr ot ect i ve coat i ng t hat can be r eadi l y r emoved f r om t he base met al wi t h a penkni f e bl ade or s i mi l ar i nst r ument wi l l be consi der ed t o i ndi cat e l oss of adhesi on.

1. 6. 6. 4 Chal k i ng Resi st ance

Af t er t he 2000- hour weat her omet er t est , ext er i or coat i ng may not chal k gr eat er t han No. 8 r at i ng when measur ed i n accor dance wi t h ASTM D4214 t est procedures.

1. 6. 6. 5 Abr asi on Resi st ance Test f or Col or Coat i ng

When subj ect ed t o t he f al l i ng sand t est i n accor dance wi t h ASTM D968, coat i ng syst em must wi t hst and a mi ni mum of 100 l i t er s of sand per 0. 025 mm ( mi l ) of coat i ng t hi ckness bef or e appear ance of base met al .

1. 6. 6. 6 Humi di t y Test

When subj ect ed t o a humi di t y cabi net t est i n accor dance wi t h ASTM D2247 f or 1000 hour s, a scor ed panel must show no si gns of bl i s t er i ng, cr acki ng, cr eepage, or cor r osi on.

1. 6. 6. 7 Fi r e Hazar d

The f i ni sh on f act or y- f abr i cat ed panel s must have a f l ame spr ead r at i ng of not mor e t han 75 when t est ed i n accor dance wi t h ASTM E84.

1. 6. 6. 8 Gloss

The gl oss of t he f i ni sh must be 30 pl us or mi nus 5 at an angl e of 60

SECTI ON 07 61 15. 00 20 Page 8 degr ees, when measur ed i n accor dance wi t h ASTM D523.

1. 6. 6. 9 Gl ar e Resi st ance

Sur f aces of panel s t hat wi l l be exposed t o t he ext er i or must have a specul ar r ef l ect ance of not mor e t han 10 when measur ed i n accor dance wi t h ASTM D523 at an angl e of 85 degr ees. Requi r ement s speci f i ed under FORMABI LI TY TEST wi l l be wai ved i f necessar y t o conf or m t o t hi s r equi r ement .

1. 7 DELI VERY, STORAGE, AND HANDLI NG

Del i ver , st or e, and handl e pr ef or med panel s, bul k r oof i ng pr oduct s and ot her manuf act ur ed i t ems i n a manner t o pr event damage or def or mat i on.

1. 7. 1 Delivery

Pr ovi de adequat e packagi ng t o pr ot ect mat er i al s dur i ng shi pment . Do not uncr at e mat er i al s unt i l r eady f or use except f or i nspect i on. I mmedi at el y upon ar r i val of mat er i al s at j obsi t e, i nspect mat er i al s f or damage, dampness, and st ai ni ng. Repl ace damaged or per manent l y st ai ned mat er i al s t hat cannot be r est or ed t o l i ke- new condi t i on wi t h new mat er i al . I f mat er i al s ar e wet , r emove moi st ur e, r est ack and pr ot ect panel s unt i l used.

1. 7. 2 Handling

Handl e mat er i al car ef ul l y t o avoi d damage t o sur f aces, edges and ends.

1. 7. 3 Storage

St ack mat er i al s st or ed on t he s i t e on pl at f or ms or pal l et s and cover wi t h t ar paul i ns or ot her sui t abl e weat her t i ght cover i ngs whi ch pr event wat er t r appi ng or condensat i on. St or e panel s so t hat wat er whi ch mi ght have accumul at ed dur i ng t r ansi t or st or age wi l l dr ai n of f . Do not st or e t he panel s i n cont act wi t h mat er i al s t hat mi ght cause st ai ni ng, such as mud, l i me, cement , f r esh concr et e or chemi cal s. Pr ot ect st or ed panel s f r om wi nd damage.

1. 8 WARRANTY

Fur ni sh manuf act ur er ' s no dol l ar l i mi t mat er i al s and wor kmanshi p war r ant y f or t he r oof i ng syst em. The war r ant y per i od must be not l ess t han 20 year s f r om t he dat e of Gover nment accept ance of t he wor k. I ssue t he war r ant y di r ect l y t o t he Gover nment . The war r ant y must pr ovi de t hat i f wi t hi n t he war r ant y per i od t he al umi num r oof i ng syst em becomes non- wat er t i ght or shows evi dence of cor r osi on, per f or at i on, peel i ng pai nt , r upt ur e or excess weat her i ng due t o det er i or at i on of t he r oof i ng syst em r esul t i ng f r om def ect i ve mat er i al s or wor kmanshi p t he r epai r or r epl acement of t he def ect i ve mat er i al s and cor r ect i on of t he def ect i ve wor kmanshi p must be t he r esponsi bi l i t y of t he r oof i ng syst em manuf act ur er . Repai r s t hat become necessar y because of def ect i ve mat er i al s and wor kmanshi p whi l e r oof i ng i s under war r ant y must be per f or med wi t hi n 7 days af t er not i f i cat i on, unl ess addi t i onal t i me i s appr oved by t he Cont r act i ng Of f i cer . Fai l ur e t o per f or m r epai r s wi t hi n t he speci f i ed per i od of t i me wi l l const i t ut e gr ounds f or havi ng t he r epai r s per f or med by ot her s and t he cost bi l l ed t o t he manuf act ur er . I n addi t i on, pr ovi de a 2 year cont r act or i nst al l at i on warranty.

SECTI ON 07 61 15. 00 20 Page 9

PART 2 PRODUCTS

2. 1 ROOFI NG PANELS

2. 1. 1 Material

3004 al umi num, ASTM B209. Al umi num r oof i ng mat er i al s must cont ai n a mi ni mum of 30 per cent t ot al r ecycl ed cont ent .

Pr ovi de al umi num r oof i ng pr oduct t hat i s Ener gy St ar l abel ed. Pr ovi de emi t t ance and r ef l ect ance per cent ages, sol ar r ef l ect ance i ndex val ues, and sl opes, t o meet sust ai nabl e t hi r d par t y cer t i f i cat i on r equi r ement s f or Heat I s l and Reduct i on.

2. 1. 1. 1 Thickness

0. 040 i nch mi ni mum.

2. 1. 1. 2 Finish

Al c l ad mi l l f i ni sh, unpai nt ed.

2. 1. 1. 3 Texture

Smoot h wi t h r ai sed i nt er medi at e r i bs f or added st i f f ness.

2. 1. 1. 4 Color

To mat ch col or s as i ndi cat ed.

2. 1. 1. 5 Configuration

Pr ovi de panel s of cont i nuous l engt hs f r om r i dge t o eaves or f r om t op t o eaves on shed r oof desi gns. Panel s must be 18 i nches wi de wi t h a mi ni mum

2. 0 i nch hi gh ver t i cal l egs and t wo 0. 37 i nch st i f f eni ng r i bs at 4 i nches on cent er bet ween t he l egs t o mi ni mi ze oi l - canni ng and t el egr aphi ng of st r uct ur al member s. Leadi ng ver t i cal l eg must have a cont i nuous gr oove i n t he r i b t op f or ant i - s i phon pr ot ect i on when hook- r i b t op of next panel i s l ocked over l eadi ng ver t i cal l eg t o f or m t he st andi ng seam. Panel s f r om coi l s t ock must be f or med wi t hout war pi ng, wavi ness or r i ppl es not a par t of t he panel pr of i l e, and must be f r ee of damage t o t he f i ni sh coat i ng system.

2. 1. 1. 6 Pr ef i ni shed Coat i ng Syst em

Fl uor ocar bon baked enamel , f act or y- appl i ed, mi ni mum t ot al dr y f i l m nomi nal t hi ckness of 2. 0 mi l s , and conf or mi ng t o t est r equi r ement s speci f i ed her ei n. Pr ovi de pr ef i ni shed coat i ng syst em on bot h f aces. I nt er i or f ace must r ecei ve same coat i ng syst em, or , at t he manuf act ur er ' s opt i on, r ecei ve a coat of acr y l i c wash coat appl i ed t o a mi ni mum t ot al dr y f i l m nomi nal t hi ckness of 0. 20 mi l .

2. 2 ATTACHMENT CLI PS

Ser i es 300 non- magnet i c st ai nl ess st eel .

2. 3 ACCESSORIES

Sheet met al f l ashi ngs, t r i m, mol di ngs, c l osur e st r i ps, caps, pr ef or med

SECTI ON 07 61 15. 00 20 Page 10 cr i cket s, equi pment cur bs, gut t er s, down spout s, and ot her s i mi l ar sheet al umi num accessor i es pr ovi ded i n conj unct i on wi t h pr ef or med al umi num panel s must be of t he same mat er i al and f i ni sh as panel s, except t hat such i t ems whi ch wi l l be conceal ed af t er i nst al l at i on may be pr ovi ded wi t hout t he f i ni sh i f t hey ar e al umi num or st ai nl ess st eel . Pr ovi de r i dge and r i b c l osur es, as speci f i ed. Al umi num must be of t hi ckness not l ess t han t hat of panel s. Mol ded cl osur e st r i ps must be c l osed- cel l synt het i c r ubber , neopr ene, or pol yvi nyl chl or i de pr emol ded t o mat ch conf i gur at i ons of pr ef or med al umi num panel s. Ther mal spacer bl ocks and ot her t her mal bar r i er s at conceal ed f ast ener s must be as r ecommended by t he r oof i ng panel manufacturer.

2. 3. 1 Closures

2. 3. 1. 1 Ri dge Cl osur e

Al umi num- cl ad f oam or al umi num cl osur e wi t h f oam secondar y c l osur e mat chi ng panel conf i gur at i on f or i nst al l at i on on sur f ace of r oof panel bet ween panel r i bs at r i dge and headwal l r oof panel f l ashi ng condi t i ons and t er mi nat i ons. Foam mat er i al must not absor b wat er .

2. 3. 1. 2 Ri b Cl osur e

Al umi num, c l osed- cel l or sol i d- cel l synt het i c r ubber , neopr ene or pol yvi nyl chl or i de pr e- mol ded t o mat ch conf i gur at i on of r i b openi ng. Mat er i al f or c l osur es must not absor b wat er .

2. 3. 2 Fasteners

Ser i es 300 st ai nl ess st eel wi t h composi t e met al and neopr ene composi t i on washer s. Fast ener s f or at t achment t o st r uct ur al suppor t s and f ast ener s f or at t achment of panel s must be as appr oved and i n accor dance wi t h manuf act ur er ' s r ecommendat i on. Unl ess speci f i ed ot her wi se her ei n, f ast ener s must be ei t her sel f - t appi ng scr ews, bol t s and nut s, or sel f - l ocki ng bol t s. Desi gn f ast eni ng syst em t o wi t hst and desi gn l oads i ndi cat ed. Fast ener s must not be over - t or qued and must devel op f ul l capaci t y of at t achment c l i ps.

2. 3. 2. 1 Screws

Pr ovi de not l ess t han No. 14 di amet er f or sel f - t appi ng t ype and not l ess than No. 12 di amet er f or sel f - dr i l l i ng and sel f - t appi ng.

2. 3. 2. 2 Bolts

Pr ovi de not l ess t han 1/ 4 i nch di amet er , shoul der ed or pl ai n shank as r equi r ed, wi t h pr oper nut s.

2. 3. 2. 3 Aut omat i c End- Wel ded St uds

Pr ovi de shoul der ed t ype wi t h a shank di amet er of not l ess t han 3/ 16 i nch and cap or nut f or hol di ng cover i ng agai nst t he shoul der .

2. 3. 2. 4 Expl osi ve Dr i ven Fast ener s

Pr ovi de f ast ener s t o be dr i ven wi t h expl osi ve act uat ed t ool s and wi t h a shank di amet er of not l ess t han 1/ 2 i nch f or f ast eni ng t o st eel and not l ess t han 1 i nch f or f ast eni ng t o concr et e.

SECTI ON 07 61 15. 00 20 Page 11

2. 3. 2. 5 Rivets

Bl i nd r i vet s must be al umi num wi t h 3/ 16 i nch nomi nal di amet er shank or st ai nl ess st eel wi t h 1/ 8 i nch nomi nal di amet er shank. Ri vet s must be t hr eaded st em t ype i f used f or ot her t han f ast eni ng t r i m. Ri vet s wi t h hol l ow st ems must have cl osed ends.

2. 3. 3 Sealant

El ast omer i c t ype cont ai ni ng no oi l or asphal t . Exposed seal ant must cur e t o a r ubber l i ke consi st ency. Conceal ed seal ant must be t he non- har deni ng t ype. Seam seal ant must be f act or y- appl i ed, non- ski nni ng, non- dr yi ng, and must conf or m t o t he r oof i ng manuf act ur er ' s r ecommendat i ons. Do not use s i l i cone- based seal ant s i n cont act wi t h f i ni shed met al panel s and component s unl ess appr oved ot her wi se by t he Cont r act i ng Of f i cer .

2. 3. 4 Seal ant Tape

Pol yvi nyl chl or i de c l osed cel l f oam t ape or composed of 99 per cent sol i ds i n a base of but y l pol y i sobut yl ene r ubber wi t h t he f ol l owi ng pr oper t i es and characteristics:

a. Webbi ng and El ongat i on: 100 per cent mi ni mum at 77 degr ees F

b. Adhesi on: Excel l ent t o sur f aces used

c. U- V l i ght exposur e: No ef f ect

d. Ozone: No ef f ect

e. Weat her i ng: 1000 hour s i n QUV Test Appar at us - Excel l ent , no cr acki ng, bl eedi ng, or s i gni f i cant changes.

f . Moi st ur e Tr ansmi ssi on: 0. 05 t o 0. 15 gr ams per 100 squar e i nches i n 24 hours.

g. Ser vi ce Temper at ur e Test s: Bendi ng over 1/ 2 i nchmandr el at mi nus 60 degr ees F wi t h no cr acki ng. Expose seal ed t ypi cal met al l ap j oi nt t o pl us 350 degr ees F f or 24 hour s wi t h no s i gni f i cant l oss of or i gi nal properties .

h. React i on t o Met al s: Non- cor r osi ve t o al umi num

2. 4 LI NER PANELS

Fabr i cat e l i ner panel s of t he same mat er i al as r oof panel s, and f or med or pat t er ned t o pr event wavi ness and di st or t i on. Li ner panel s must have a f act or y appl i ed, one mi l t hi ck mi ni mum pai nt ed coat i ng on t he i nsi de f ace, and a pr i me coat on t he l i ner s i de.

PART 3 EXECUTI ON

3. 1 EXAMINATION

Do not use bui l di ng const r uct i on mat er i al s t hat show vi s i bl e evi dence of bi ol ogi cal gr owt h.

Exami ne sur f aces t o r ecei ve st andi ng seam al umi num r oof i ng and f l ashi ng.

Pr ovi de pl umb and t r ue sur f aces, c l ean, even, smoot h and as dr y as

SECTI ON 07 61 15. 00 20 Page 12 possi bl e. Ensur e t hat sur f aces ar e f r ee f r om def ect s and pr oj ect i ons whi ch mi ght af f ect t he i nst al l at i on. Repor t unsui t abl e condi t i ons t o Cont r act i ng Officer.

3. 2 PROTECTI ON OF DI SSI MI LAR METALS

Wher e an al umi num component i s i n cont act wi t h, f ast ened t o, or cont act ed by dr ai nage f r om di ssi mi l ar met al s ot her t han st ai nl ess st eel , gi ve such di ssi mi l ar met al s one of t he f ol l owi ng t r eat ment s:

a. A heavy br ush coat of pr i mer f ol l owed by t wo coat s of al umi num met al and masonr y pai nt .

b. A heavy coat of al kal i - r esi st ant bi t umi nous pai nt .

c. Separ at e cont act sur f aces wi t h non- absor pt i ve t ape or gasket .

3. 2. 1 Cont act wi t h Masonr y

Wher e al umi num i s i n cont act wi t h masonr y, concr et e, or pl ast er , appl y a heavy coat of al kal i - r esi st ant bi t umi nous pai nt .

3. 2. 2 Cont act wi t h Wood

Wher e al umi num i s i n cont act wi t h wood or ot her absor pt i ve mat er i al subj ect t o wet t i ng, or wi t h wood t r eat ed wi t h a pr eser vat i ve not compat i bl e wi t h al umi num, seal j oi nt s wi t h seal i ng compound and appl y one heavy br ush coat of al umi num pi gment ed bi t umi nous pai nt .

3. 3 INSTALLATION

I nst al l i n accor dance wi t h appr oved manuf act ur er ' s er ect i on i nst r uct i ons shop dr awi ngs, and di agr ams, except as speci f i ed ot her wi se her ei n. Pr ovi de panel s i n f ul l and f i r m cont act wi t h c l i ps. Obt ai n appr oval pr i or t o i nst al l at i on on pr ef i ni shed panel s cut i n t he f i el d, and f act or y appl i ed cover i ngs or coat i ngs t hat wer e r epai r ed af t er bei ng abr aded or damaged dur i ng handl i ng or i nst al l at i on. Make r epai r s wi t h mat er i al of same col or as weat her coat i ng. Compl et el y seal openi ngs t hr ough panel s. Cor r ect def ect s or er r or s i n mat er i al s i n an appr oved manner . Repl ace mat er i al s whi ch cannot be cor r ect ed i n an appr oved manner wi t h new mat er i al s. Pr ovi de mol ded cl osur e st r i ps wher e i ndi cat ed and wher e necessar y f or weat her t i ght const r uct i on. Use shi ms as r equi r ed t o ensur e c l i p l i ne i s t r ue. Use a spaci ng gage at each r ow of panel s t o ensur e t hat panel wi dt h i s not st r et ched or shor t ened.

3. 3. 1 Roof Panel s

Appl y r oof i ng panel s wi t h st andi ng seams par al l el t o s l ope of r oof .

Pr ovi de r oof i ng panel s i n f ul l l engt hs f r om r i dge t o eaves ( t op t o eaves on shed r oof s) , wi t h no t r ansver se j oi nt s except at t he j unct i on of vent i l at or s, cur bs, skyl i ght s, chi mneys, and si mi l ar openi ngs. For m i nt er l ocki ng r i b t ype panel seams i n t he f i el d wi t h an aut omat i c mechani cal seamer appr oved by t he manuf act ur er . At t ach panel s t o st r uct ur e wi t h conceal ed c l i ps whi ch ar e i ncor por at ed i nt o t he panel seams. Cl i p at t achment must al l ow r oof t o move f r eel y and i ndependent l y of t he st r uct ur e, except at f i xed poi nt s as i ndi cat ed.

SECTI ON 07 61 15. 00 20 Page 13

3. 3. 2 Flashings

Pr ovi de f l ashi ng and r el at ed c l osur es and accessor i es i n connect i on wi t h pr ef or med met al panel s as i ndi cat ed and as necessar y t o pr ovi de a weat her t i ght i nst al l at i on. I nst al l f l ashi ng t o ensur e posi t i ve wat er dr ai nage away f r om r oof penet r at i ons. Fl ash and seal r oof at r i dge, eaves and r akes, at pr oj ect i ons t hr ough r oof , and el sewher e as necessar y.

Accompl i sh pl acement of c l osur e st r i ps, f l ashi ng, and seal i ng mat er i al i n an appr oved manner t hat wi l l ensur e compl et e weat her t i ght ness. Det ai l s of i nst al l at i on whi ch ar e not i ndi cat ed must be i n accor dance wi t h t he NRCA CONDET, SMACNA 1793, AA ASM- 35, panel manuf act ur er ' s pr i nt ed i nst r uct i ons and det ai l s of t he appr oved shop dr awi ngs. I nst al l at i on must al l ow f or expansi on and cont r act i on of f l ashi ng.

3. 3. 3 Fl ashi ng Fast ener s

Fast ener spaci ngs must be i n accor dance wi t h t he panel manuf act ur er ' s r ecommendat i ons and as necessar y t o wi t hst and t he i ndi cat ed desi gn l oads.

I nst al l f ast ener s i n r oof val l eys as r ecommended by t he manuf act ur er of t he panel s. I nst al l f ast ener s i n st r ai ght l i nes wi t hi n a t ol er ance of 1/ 2 i nch i n t he l engt h of a bay. Dr i ve exposed penet r at i ng t ype f ast ener s nor mal t o t he sur f ace and t o a uni f or m dept h t o seat gasket ed washer s pr oper l y and dr i ve so as not t o damage f act or y appl i ed coat i ng. Exer ci se ext r eme car e i n dr i l l i ng pi l ot hol es f or f ast eni ngs t o keep dr i l l s per pendi cul ar and cent er ed. Do not dr i l l t hr ough seal ant t apes. Af t er dr i l l i ng, r emove met al f i l i ngs and bur r s f r om hol es pr i or t o i nst al l i ng f ast ener s and washer s. Tor que used i n appl y i ng f ast ener s must not exceed t hat r ecommended by t he manuf act ur er . Remove panel s def or med or ot her wi se damaged by over - t or qued f ast eni ngs, and pr ovi de new panel s.

3. 3. 4 Cl osur e/ Cl osur e St r i ps

Set c l osur e/ c l osur e st r i ps i n j oi nt seal ant mat er i al .

3. 4 CLEANING

Cl ean exposed sheet met al wor k at compl et i on of i nst al l at i on. Remove met al shavi ngs, f i l i ngs, nai l s, bol t s, and wi r es f r om r oof s on compl et i on t o pr event di scol or at i on and har m t o t he panel s and f l ashi ng. Remove gr ease and oi l f i l ms, excess seal ant s handl i ng mar ks, cont ami nat i on f r om st eel wool , f i t t i ngs and dr i l l i ng debr i s and scr ub t he wor k c l ean. Exposed met al sur f aces must be f r ee of dent s, cr eases, waves, scr at ch mar ks, and sol der or wel d mar ks.

3. 5 MANUFACTURER' S FI ELD I NSPECTI ON

Manuf act ur er ' s t echni cal r epr esent at i ve must v i s i t t he s i t e as necessar y dur i ng t he i nst al l at i on pr ocess t o assur e panel s, f l ashi ngs, and ot her component s ar e bei ng i nst al l ed i n a sat i sf act or y manner . Manuf act ur er ' s t echni cal r epr esent at i ve must per f or m a f i el d i nspect i on dur i ng t he f i r st 20 squar es of r oof panel i nst al l at i on and at subst ant i al compl et i on pr i or t o i ssuance of war r ant y, as a mi ni mum, and as ot her wi se r equest ed by t he Cont r act i ng Of f i cer . Addi t i onal i nspect i ons must not exceed one f or each 100 squar es of t ot al r oof ar ea wi t h t he except i on t hat f ol l ow- up i nspect i ons of pr evi ousl y not ed def i c i enci es or appl i cat i on er r or s must be per f or med as r equest ed by t he Cont r act i ng Of f i cer . Each i nspect i on v i s i t must i ncl ude a r evi ew of t he ent i r e i nst al l at i on t o dat e. Af t er each i nspect i on, submi t a r epor t , s i gned by t he manuf act ur er ' s t echni cal r epr esent at i ve, t o t he Cont r act i ng Of f i cer not i ng t he over al l qual i t y of

SECTI ON 07 61 15. 00 20 Page 14 wor k, def i c i enci es and any ot her concer ns, and r ecommended cor r ect i ve act i ons i n det ai l . Not i f y Cont r act i ng Of f i cer a mi ni mum of 2 wor ki ng days pr i or t o s i t e v i s i t by manuf act ur er ' s t echni cal r epr esent at i ve.

3. 6 COMPLETED WORK

Compl et ed wor k must be pl umb and t r ue wi t hout oi l canni ng, dent s, r i ppl es, abr asi on, r ust , st ai ni ng, or ot her damage det r i ment al t o t he per f or mance or aest het i cs of t he compl et ed r oof assembl y.

- - End of Sect i on - -

SECTI ON 07 61 15. 00 20 Page 15

1.8 WARRANTY

2.4 LINER PANELS