08 34 19.10 20.pdf
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This is a Technical Specifications document (Section 08 34 19.10 20) for Rolling Service and Fire Doors at Tinker Air Force Base, Oklahoma, dated April 2019.
The specification establishes requirements for spring counterbalanced rolling doors designed for exterior or interior openings at the facility. Rolling service doors must be engineered to withstand 20 pounds per square foot of wind pressure and operate through a minimum of 20 cycles per day. Doors shall feature interlocking galvanized steel slats (flat type for exterior), with exterior doors requiring 11/16-inch minimum polyurethane or polyisocyanurate foam insulation rated at maximum flame-spread and smoke-development indexes of 75 and 450 respectively per ASTM E84. All doors require steel guides, supporting brackets, barrel with torsion spring counterbalance system (minimum 80% door weight counterbalanced at any position), and bottom bars with weather seals. Manual operation options include push-up (30-pound maximum force), hand-chain (35-pound maximum force), or crank operation (25-pound maximum force). Electric operation requires NEMA-compliant motors, three-button controls (OPEN, CLOSE, STOP) located minimum 5 feet above floor with operator visibility, and mandatory safety devices that stop and reverse closing travel upon obstruction detection. All slats and hoods must be hot-dip galvanized per ASTM A653/A653M or ASTM A123/A123M and shop-primed. Rolling fire doors must comply with NFPA 80 fire rating standards with automatic closing mechanisms operating at 2 feet per second descent rate. Submittals requiring government approval include shop drawings, product data, and operation/maintenance documentation per Section 01 33 00.
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Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019
SECTI ON 08 34 19. 10 20
ROLLI NG SERVI CE AND FI RE DOORS
04/17
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.
ASTM I NTERNATI ONAL ( ASTM)
ASTM A123/ A123M ( 2013) St andar d Speci f i cat i on f or Zi nc ( Hot - Di p Gal vani zed) Coat i ngs on I r on and St eel Pr oduct s
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 A780/ A780M ( 2009; R 2015) St andar d Pr act i ce f or Repai r of Damaged and Uncoat ed Ar eas of Hot - Di p Gal vani zed Coat i ngs
ASTM E84 ( 2016) 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
DOOR AND ACCESS SYSTEM MANUFACTURERS ASSOCI ATI ON ( DASMA)
ANSI / DASMA 108 ( 2005) St andar d Met hod f or Test i ng Sect i onal Gar age Door s and Rol l i ng Door s:
Det er mi nat i on of St r uct ur al Per f or mance Under Uni f or m St at i c Ai r Pr essur e Difference
NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)
NEMA I CS 1 ( 2000; R 2015) St andar d f or I ndust r i al Cont r ol and Syst ems: Gener al Requi r ement s
NEMA I CS 2 ( 2000; R 2005; Er r at a 2008) I ndust r i al Cont r ol and Syst ems Cont r ol l er s, Cont act or s, and Over l oad Rel ays Rat ed 600 V
NEMA I CS 6 ( 1993; R 2011) I ndust r i al Cont r ol and Syst ems: Encl osur es
NEMA MG 1 ( 2016) Mot or s and Gener at or s
NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)
NFPA 70 ( 2017) Nat i onal El ect r i cal Code
Apr i l 2019 Page 1 SECTI ON 08 34 19. 10 20
NFPA 80 ( 2016) St andar d f or Fi r e Door s and Ot her Openi ng Pr ot ect i ves
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 . 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
Rol l i ng ser vi ce door s; G
Rol l i ng f i r e door s; G
Submi t dr awi ngs f or door s showi ng t ypes, s i zes, l ocat i ons, met al gages, har dwar e pr ovi s i ons, i nst al l at i on det ai l s, and ot her det ai l s of const r uct i on. For mot or - oper at ed door s i ncl ude suppor t i ng br acket s f or mot or s, l ocat i on, t ype, and r at i ngs of mot or s, and saf et y devi ces.
SD- 03 Pr oduct Dat a
Rol l i ng ser vi ce door s; G
Rol l i ng f i r e door s; G
Mot or s; G
Cont r ol s; G]
For el ect r i cal l y oper at ed syst em, submi t wi r i ng di agr ams f or mot or and cont r ol s. ]
SD- 08 Manuf act ur er ' s I nst r uct i ons
Rol l i ng ser vi ce door s
Rol l i ng f i r e door s]
Submi t manuf act ur er ' s cur r ent l y r ecommended i nst al l at i on pr ocedur es f or door s wi t h t he shop dr awi ngs.
SD- 10 Oper at i on and Mai nt enance Dat a
Rol l i ng ser vi ce door s, Dat a Package 2.
Rol l i ng f i r e door s, Dat a Package 2.
Submi t i n accor dance wi t h Sect i on 01 78 23 OPERATI ON AND MAI NTENANCE DATA. I ncl ude wi r i ng di agr ams.
1. 3 DELI VERY AND STORAGE
Pr ot ect door s and accessor i es f r om damage dur i ng del i ver y, st or age, and handl i ng. Cl ear l y mar k manuf act ur er ' s br and name. St or e door s i n dr y l ocat i ons wi t h adequat e vent i l at i on, f r ee f r om dust and wat er , and i n such
Apr i l 2019 Page 2 SECTI ON 08 34 19. 10 20 a manner as t o per mi t access f or i nspect i on and handl i ng. Handl e door s car ef ul l y t o pr event damage. Remove damaged i t ems t hat cannot be r est or ed t o l i ke- new condi t i on and pr ovi de new i t ems.
PART 2 PRODUCTS
2. 1 ROLLI NG SERVI CE DOORS
Shal l be spr i ng count er bal anced, r ol l i ng t ype, and shal l be desi gned f or use on ext er i or or i nt er i or openi ngs, as i ndi cat ed. Door s shal l be oper at ed by means of l i f t i ng handl es; by hand chai n wi t h gear or spr ocket r educt i on; by hand cr ank wi t h gear or spr ocket r educt i on; or by el ect r i c- power wi t h auxi l i ar y hand chai n oper at i on ( as speci f i ed i n cont r act dr awi ngs) . Door s shal l be compl et e wi t h gui des, har dwar e, f ast eni ngs, oper at i ng mechani sms, and accessor i es. Door s shal l be sur f ace- mount ed t ype wi t h gui des at j ambs set back a suf f i c i ent di st ance t o pr ovi de a c l ear openi ng when door i s i n open posi t i on. Door s, har dwar e, and anchor s shal l be desi gned t o wi t hst and a wi nd pr essur e of 20 pounds per squar e f oot of door ar ea i n accor dance wi t h ANSI / DASMA 108.
Sound engi neer i ng pr i nci pl es may be used t o i nt er pol at e or ext r apol at e t est r esul t s t o door s i zes not speci f i cal l y t est ed. Ext er i or door s shal l be mount ed as i ndi cat ed. Wher e ser vi ce door s ar e i ndi cat ed t o be chai n-or cr ank- oper at ed, t he door desi gn and const r uct i on shal l al l ow f or f ut ur e i nst al l at i on of el ect r i c- power oper at i on.
2. 1. 1 Oper at i onal Cycl e Li f e
Al l por t i ons of t he door , har dwar e and oper at i ng mechani sm t hat i s subj ect t o movement , wear or st r ess f at i gue must be desi gned t o oper at e t hr ough a mi ni mum number of 20cycl es per dayor as i ndi cat ed i n t he cont r act document s.
2. 2 FABRICATION
2. 2. 1 Curtains
Shal l be f or med of i nt er l ocki ng gal vani zed st eel s l at s of shapes st andar d wi t h t he manuf act ur er , except t hat s l at s f or ext er i or door s shal l be f l at t ype. Cur t ai n shal l r ol l up on a bar r el suppor t ed at head of openi ng on br acket s and be bal anced by a t or s i on spr i ng syst em i n t he bar r el . Sl at s shal l be of t he gage r equi r ed f or t he wi dt h i ndi cat ed and t he wi nd pr essur e speci f i ed above. Ext er i or door gl azi ng shal l have a mi ni mum f r ame bi t e of 3/ 8 i nch f or st r uct ur al l y gl azed wi ndow syst ems and 1 i nch f or v i s i on panel s t hat ar e not st r uct ur al l y gl azed. Pr ovi de non- t her mal , l ami nat ed gl ass v i s i on panel s i n door s i ndi cat ed f or gl azi ng. Gl azi ng shal l be as speci f i ed on t he dr awi ngs Sl at s f or ext er i or door s shal l be i nsul at ed wi t h not l ess t han 11/ 16 i nch t hi ck pol yur et hane or pol y i socyanur at e f oam i nsul at i on. I nsul at i on shal l have a maxi mum f l ame- spr ead and smoke- devel opment i ndexes of 75 and 450, r espect i vel y, accor di ng t o ASTM E84. I nt er i or s i de of i nsul at i on shal l be cover ed wi t h i nt er l ocki ng gal vani zed st eel s l at s not l i ght er t han t he st andar d t hi ckness wi t h t he manuf act ur er .
2. 2. 2 Endl ocks and Wi ndl ocks
The ends of each sl at or each al t er nat e s l at shal l have mal l eabl e i r on or gal vani zed st eel endl ocks of manuf act ur er ' s st ock desi gn. I n addi t i on t o endl ocks, ext er i or door s whi ch ar e mor e t han 16 f eet wi de or whi ch have a desi gn wi nd l oad of mor e t han 20 pounds per squar e f oot , shal l have wi ndl ocks of manuf act ur er ' s st andar d desi gn. Wi ndl ocks shal l pr event
Apr i l 2019 Page 3 SECTI ON 08 34 19. 10 20 cur t ai n f r om l eavi ng gui de because of def l ect i on f r om wi nd pr essur e or ot her f or ces.
2. 2. 3 Bot t om Bar
The cur t ai n shal l have a st eel bot t om bar consi st i ng of t wo angl es of equal wei ght , one on each si de. I n addi t i on, ext er i or door s shal l have a compr essi bl e and r epl aceabl e r ubber , neopr ene, or v i nyl weat her seal at t ached t o bot t om bar . At t ach a combi nat i on compr essi bl e seal and r ever si ng saf et y devi ce f or st oppi ng and r ever si ng t he t r avel of t he door t o t he bot t om bar of door s t hat ar e el ect r i c- power oper at ed.
2. 2. 4 Guides
St eel st r uct ur al shapes or f or med st eel shapes f ast ened t o wal l wi t h st eel shapes not l ess t han 3/ 16 i nch t hi ck. Gui des shal l be of suf f i c i ent dept h or shal l i ncor por at e a st eel l ocki ng bar t o r et ai n t he cur t ai n i n pl ace under t he wi nd pr essur e speci f i ed. Pr ovi de cont i nuous vi nyl or neopr ene weat her seal s on gui des at ext er i or door s. Secur el y at t ach gui des t o adj oi ni ng const r uct i on wi t h not l ess t han 3/ 8 i nch di amet er bol t s, spaced near each end and not over 30 i nches apar t .
2. 2. 5 Barrel
St eel pi pe or commer ci al wel ded st eel t ubi ng of pr oper di amet er and t hi ckness f or t he s i ze of cur t ai n. Def l ect i on shal l not exceed 0. 03 i nch per f oot of span. Cl ose ends of bar r el wi t h cast - i r on pl ugs, machi ned t o f i t t he pi pe and ei t her pi nned or at t ached wi t h scr ews or wel ded i n t he spr i ng bar r el , except t hat dr i ve end pl ug may be st eel wel ded i n pl ace.
I nst al l wi t hi n t he bar r el an oi l - t emper ed, st r ess r el i eved, hel i cal , count er bal anci ng st eel spr i ng, capabl e of pr oduci ng suf f i c i ent t or que t o assur e easy oper at i on of t he door cur t ai n f r om any posi t i on. At l east 80 per cent of t he door wei ght shal l be count er bal anced at any posi t i on.
Spr i ng- t ensi on shal l be adj ust abl e wi t hout r emovi ng t he hood.
2. 2. 6 Brackets
Fabr i cat e of st eel pl at e t o suppor t t he bar r el , cur t ai n, and oper at or and t o f or m a suppor t i ng r i ng and end cl osur e f or t he hood. Pr ovi de pr el ubr i cat ed, sel f - al i gni ng bal l bear i ngs, shi el ded or seal ed.
2. 2. 7 Hoods
St eel , not l i ght er t han 0. 0209 i nch t hi ck 24 gage f or med t o f i t cont our of end br acket s and r ei nf or ced wi t h r ol l ed beads at t op and bot t om edges.
Hoods f or openi ngs mor e t han 12 f eet i n wi dt h shal l have i nt er medi at e suppor t i ng br acket s. Pr ovi de a weat her baf f l e at t he l i nt el or i nsi de t he hood of each ext er i or door .
2. 2. 8 Locki ng Devi ce
For each manual l y oper at ed ext er i or r ol l i ng door pr ovi de manuf act ur er ' s st andar d chai n- or bar - t ype l ocki ng devi ce on t he i nsi de. The l ocki ng devi ce shal l be of t ype t o r ecei ve a padl ock wi t h a 5/ 16 i nch di amet er shackle.
Apr i l 2019 Page 4 SECTI ON 08 34 19. 10 20
2. 3 MANUAL OPERATI ON
2. 3. 1 Manual Push- Up Oper at i on
Pr ovi de l i f t i ng handl es on bot h s i des of door and count er bal ance i n a manner t o pr ovi de easy oper at i on whi l e r ai s i ng or l ower i ng t he cur t ai n by hand. The f or ce r equi r ed t o oper at e t he door shal l not exceed 30 pounds.
Pr ovi de pul l - down st r aps or pol e hooks on bot t om r ai l of door s over 7 f eet high.
2. 3. 2 Manual Hand- Chai n Oper at i on
Pr ovi de gal vani zed, endl ess chai n oper at i ng over a spr ocket and ext endi ng t o wi t hi n 3 f eet of f l oor . Obt ai n r educt i on by use of r ol l er chai n and spr ocket dr i ve or sui t abl e gear i ng. Gear s shal l be hi gh- gr ade gr ay i r on, cast f r om machi ne- cut pat t er ns. The pul l r equi r ed t o oper at e t he door shal l not exceed 35 pounds.
2. 3. 3 Manual Cr ank Oper at i on
Pr ovi de a f ul l y encl osed, per manent l y l ubr i cat ed, gear ed power uni t mount ed 34 i nches above t he f l oor ; a r emovabl e cr ank; and a ver t i cal shaf t connect i ng t he uni t t o t he count er bal ance dr i ve syst em. The f or ce r equi r ed t o oper at e t he door shal l not exceed 25 pounds. Gear s shal l be of hi gh- gr ade gr ay i r on, cast f r om machi ne- cut pat t er ns.
2. 4 ELECTRI C OPERATI ON
2. 4. 1 Oper at or Feat ur es
Pr ovi de oper at or s compl et e wi t h component s and ot her accessor i es necessar y f or pr oper oper at i on. The oper at or shal l be so desi gned t hat t he mot or may be r emoved wi t hout di st ur bi ng t he l i mi t - swi t ch t i mi ng and wi t hout af f ect i ng t he emer gency auxi l i ar y oper at or s. Make pr ovi s i on f or i mmedi at e emer gency manual oper at i on of door i n case of el ect r i cal f ai l ur e. The emer gency manual oper at i ng mechani sm shal l be so ar r anged t hat i t may be put i nt o and out of oper at i on f r om t he f l oor , and i t s use shal l not af f ect t he t i mi ng of t he l i mi t swi t ches. Pr ovi de an el ect r i cal or mechani cal devi ce whi ch wi l l di sconnect t he mot or f r om t he oper at i ng mechani sm when t he emer gency manual oper at i ng mechani sm i s engaged.
2. 4. 2 Motors
Shal l conf or m t o NEMA MG 1, hi gh- st ar t i ng t or que, r ever si bl e t ype of suf f i c i ent hor sepower and t or que out put t o move t he door i n ei t her di r ect i on f r om any posi t i on, and pr oduce a door t r avel speed of not l ess t han t wo- t hi r ds f oot per second or mor e t han one f oot per second, wi t hout exceedi ng t he r at ed capaci t y. Mot or s shal l be sui t abl e f or oper at i on on cur r ent of t he char act er i st i cs i ndi cat ed. Mot or encl osur es shal l be t he dr i p- pr oof t ype or NEMA TEFC and TENV t ype. I nst al l mot or s i n appr oved locations.
2. 4. 3 Controls
Remot e cont r ol swi t ches shal l be at l east 5 f eet above t he f l oor l i ne, and al l swi t ches shal l be l ocat ed so t hat t he oper at or wi l l have compl et e v i s i bi l i t y of t he door at al l t i mes. The cont r ol equi pment shal l conf or m to NEMA I CS 1 and NEMA I CS 2. Cont r ol encl osur es shal l be NEMA I CS 6, Type 12 or Type 4, f or i nt er i or l ocat i ons and Type 4 f or ext er i or
Apr i l 2019 Page 5 SECTI ON 08 34 19. 10 20 l ocat i ons, except t hat cont act or encl osur es may be Type 1. Locat e cont r ol swi t ches i nsi de t he bui l di ng unl ess ot her wi se i ndi cat ed. Each swi t ch cont r ol st at i on shal l be of t he t hr ee- but t on t ype, wi t h t he but t ons mar ked " OPEN, " " CLOSE, " and " STOP. " The " OPEN" and " STOP" but t ons shal l be of t he t ype r equi r i ng onl y moment ar y pr essur e t o oper at e. The " CLOSE" but t on shal l be of t he t ype ei t her r equi r i ng const ant pr essur e t o mai nt ai n t he c l osi ng mot i on of t he door or moment ar y pr essur e when i nst al l ed wi t h a moni t or ed ent r apment det ect i on devi ce whi ch, upon f ai l ur e of t he devi ce or any component of t he cont r ol syst em, cause t he door t o r et ur n t o i t s f ul l open posi t i on. When t he door i s i n mot i on, and t he " STOP" but t on i s pr essed, t he door shal l st op and r emai n i n t he st op posi t i on; f r om t he st op posi t i on, t he door may t hen be oper at ed i n ei t her di r ect i on by t he " OPEN" or " CLOSE" but t ons. When t he door i s i n mot i on, and t he " CLOSE" but t on of t he const ant pr essur e t ype i s r el eased, t he door shal l st op and r emai n i n t he st op posi t i on or r ever se t o t he user set up posi t i on; f r om t he st op posi t i on, t he door may t hen be oper at ed i n ei t her di r ect i on by t he " OPEN" or " CLOSE" but t ons. Pushbut t ons shal l be f ul l - guar ded t o pr event acci dent al oper at i on. Cont r ol s shal l be adj ust abl e t o aut omat i cal l y st op t he door s at t hei r f ul l y open and cl osed posi t i ons.
Open and cl osed posi t i ons shal l be r eadi l y adj ust abl e.
2. 4. 4 Saf et y Devi ce
Power - oper at ed door s shal l have a saf et y devi ce t hat wi l l i mmedi at el y st op and r ever se t he door i n i t s c l osi ng t r avel upon det ect i ng an obst r uct i on i n t he door openi ng or upon f ai l ur e of t he devi ce or any component of t he cont r ol syst em and cause t he door t o r et ur n t o i t s user - def i ned open posi t i on. Any moment ar y door - c l osi ng ci r cui t shal l be aut omat i cal l y l ocked out and t he door shal l be oper abl e manual l y or wi t h const ant pr essur e cont r ol s unt i l t he f ai l ur e or damage has been cor r ect ed. Do not use saf et y devi ce as a l i mi t swi t ch.
2. 4. 5 Cont r ol Power Suppl y
Shal l be pr ovi ded i n power c i r cui t s as necessar y t o r educe t he vol t age on t he cont r ol c i r cui t s t o 120 vol t s or l ess ( pr ef er abl y 24 vol t s) . The power suppl y, whet her i t i ncor por at es a t r ansf or mer or a swi t ched mode power suppl y ( SMPS) , shal l conf or m t o t he appr opr i at e UL St andar d.
2. 4. 6 El ect r i cal Wor k
El ect r i cal component s and i nst al l at i on shal l conf or m t o NFPA 70. The door manuf act ur er shal l f ur ni sh manual or aut omat i c cont r ol and saf et y devi ces, i ncl udi ng ext r a f l exi bl e t ype SO cabl e and spr i ng- l oaded aut omat i c t akeup r eel or equi val ent devi ce, as r equi r ed f or pr oper oper at i on of t he door s.
Condui t , wi r i ng, and mount i ng of cont r ol s ar e speci f i ed i n Sect i on 26 20 00
I NTERI OR DI STRI BUTI ON SYSTEM.
2. 4. 7 Hazar dous Locat i ons
El ect r i cal mat er i al s, equi pment , and devi ces f or i nst al l at i on i n hazar dous l ocat i ons, as def i ned by NFPA 70, shal l be speci f i cal l y appr oved by Under wr i t er s Labor at or i es or an i ndependent t est i ng agency usi ng equi val ent st andar ds, f or t he par t i cul ar chemi cal gr oup and t he cl ass and di v i s i on of hazar dous l ocat i on i nvol ved.
2. 5 FINISHES
Sl at s and hoods shal l be hot - di p gal vani zed and shop pr i med. Pr i me f i ni sh
Apr i l 2019 Page 6 SECTI ON 08 34 19. 10 20 ot her par t s of coi l i ng door s, except f ayi ng sur f aces.
2. 5. 1 Pr i med Fi ni sh
Cl ean sur f aces t hor oughl y, t r eat t o assur e maxi mum pai nt adher ence, and pr ovi de a f act or y di p or spr ay coat of r ust - i nhi bi t i ve met al l i c oxi de or synt het i c r esi n pr i mer on exposed sur f aces.
2. 5. 2 Gal vani zed and Shop- Pr i med Fi ni sh
Sur f aces speci f i ed shal l have a z i nc coat i ng, a phosphat e t r eat ment , and a shop pr i me coat of r ust - i nhi bi t i ve pai nt . The gal vani zed coat i ng shal l conf or m t o ASTM A653/ A653M, coat i ng desi gnat i on G90, f or st eel sheet s, except t hat hoods l ocat ed on i nt er i or of t he bui l di ng may be G60, and ASTM A123/ A123M f or i r on and st eel pr oduct s. The wei ght of coat i ngs f or pr oduct s shal l be as desi gnat ed i n Tabl e I of ASTM A123/ A123M f or t he t hi ckness of base met al t o be coat ed. The pr i me coat shal l be a t ype especi al l y devel oped f or mat er i al s t r eat ed by phosphat es and adapt ed t o appl i cat i on by di ppi ng or spr ayi ng. Repai r damaged zi nc- coat ed sur f aces by t he mat er i al s and met hods conf or mi ng t o ASTM A780/ A780M and spot pr i me. At t he opt i on of t he Cont r act or , a t wo- par t syst em i ncl udi ng bonder i z i ng, baked- on epoxy pr i mer , and baked- on enamel t op coat may be appl i ed t o s l at s and hoods bef or e f or mi ng, i n l i eu of pr i me coat speci f i ed.
2. 6 ROLLI NG FI RE DOORS
Shal l conf or m t o t he r equi r ement s speci f i ed her ei n and t o NFPA 80 f or t he c l ass i ndi cat ed. Door s shal l bear l abel s of Under wr i t er s Labor at or i es, or anot her i ndependent t est i ng agency whi ch has f ol l ow- up ser vi ce and whi ch uses equi val ent st andar ds, i ndi cat i ng t he appl i cabl e f i r e r at i ng. The const r uct i on det ai l s necessar y f or l abel ed door s shal l t ake pr ecedence over det ai l s i ndi cat ed or speci f i ed f or ser vi ce door s. Fi r e door s shal l be equi pped wi t h aut omat i c c l osi ng mechani sm. Door s shal l be f or ced i nt o a c l osed posi t i on at a r at e of descent of not mor e t han 2 f eet per second and not l ess t han 6 i nches per second wi t hout i mpact . The cur t ai n shal l be hel d agai nst t he s i l l unt i l t he r el ease mechani sm has been r eset . The aut omat i c c l osi ng mechani sm shal l not i nt er f er e wi t h nor mal oper at i on of t he door . Fi r e door s shal l be compl et e wi t h har dwar e, accessor i es, and aut omat i c c l osi ng devi ce as r equi r ed by NFPA 80.
PART 3 EXECUTI ON
3. 1 INSTALLATION
I nst al l door s i n accor dance wi t h appr oved det ai l dr awi ngs and manuf act ur er ' s di r ect i ons. Locat e anchor s and i nser t s f or gui des, br acket s, mot or s, swi t ches, har dwar e, and ot her accessor i es accur at el y.
Upon compl et i on, door s shal l be weat her t i ght and shal l be f r ee f r om war p, t wi st , or di st or t i on.
3. 2 FI NAL ADJUSTMENT
Door s shal l be l ubr i cat ed and pr oper l y adj ust ed t o oper at e f r eel y.
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