Amendment_16_spec_section_08_39_54.pdf

ERDL Faci l i t y 012104

SECTI ON 08 39 54

BLAST RESI STANT DOORS

08/09

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.

AMERI CAN BEARI NG MANUFACTURERS ASSOCI ATI ON ( ABMA)

ABMA 11 ( 2014) Load Rat i ngs and Fat i gue Li f e f or Rol l er Bear i ngs

ABMA 9 ( 2015) Load Rat i ngs and Fat i gue Li f e f or Bal l Bear i ngs

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

AI SI S100 ( 2012) Nor t h Amer i can Speci f i cat i on f or t he Desi gn of Col d- For med St eel St r uct ur al Members

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS A2. 4 ( 2012) St andar d Symbol s f or Wel di ng, Br azi ng and Nondest r uct i ve Exami nat i on

AWS A5. 4/ A5. 4M ( 2012) Speci f i cat i on f or St ai nl ess St eel El ect r odes f or Shi el ded Met al Ar c Wel di ng

AWS D1. 1/ D1. 1M ( 2015; Er r at a 2015) St r uct ur al Wel di ng Code - St eel

AWS D1. 3/ D1. 3M ( 2008; Er r at a 2008) St r uct ur al Wel di ng Code - Sheet St eel

AWS D1. 4/ D1. 4M ( 2011) St r uct ur al Wel di ng Code - Rei nf or c i ng St eel

ASTM I NTERNATI ONAL ( ASTM)

ASTM A242/ A242M ( 2013) St andar d Speci f i cat i on f or Hi gh- St r engt h Low- Al l oy St r uct ur al St eel

ASTM A307 ( 2014) St andar d Speci f i cat i on f or Car bon St eel Bol t s and St uds, 60 000 PSI Tensi l e Strength

ASTM A325 ( 2014) St andar d Speci f i cat i on f or St r uct ur al Bol t s , St eel , Heat Tr eat ed, 120/ 105 ksi Mi ni mum Tensi l e St r engt h

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ASTM A354 ( 2011) St andar d Speci f i cat i on f or Quenched and Temper ed Al l oy St eel Bol t s, St uds, and Ot her Ext er nal l y Thr eaded Fast ener s

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A449 ( 2014) St andar d Speci f i cat i on f or Hex Cap Scr ews, Bol t s, and St uds, St eel , Heat Tr eat ed, 120/ 105/ 90 ksi Mi ni mum Tensi l e St r engt h, Gener al Use

ASTM A490 ( 2014a) St andar d Speci f i cat i on f or St r uct ur al Bol t s , Al l oy St eel , Heat Tr eat ed, 150 ksi Mi ni mum Tensi l e St r engt h

ASTM A500/ A500M ( 2013) St andar d Speci f i cat i on f or Col d- For med Wel ded and Seaml ess Car bon St eel St r uct ur al Tubi ng i n Rounds and Shapes

ASTM A501/ A501M ( 2014) St andar d Speci f i cat i on f or Hot - For med Wel ded and Seaml ess Car bon St eel St r uct ur al Tubi ng

ASTM A514/ A514M ( 2014) St andar d Speci f i cat i on f or Hi gh- Yi el d- St r engt h, Quenched and Temper ed Al l oy St eel Pl at e, Sui t abl e f or Wel di ng

ASTM A529/ A529M ( 2014) St andar d Speci f i cat i on f or Hi gh- St r engt h Car bon- Manganese St eel of St r uct ur al Qual i t y

ASTM A534 ( 2014) St andar d Speci f i cat i on f or Car bur i z i ng St eel s f or Ant i - Fr i ct i on Bearings

ASTM A563 ( 2015) St andar d Speci f i cat i on f or Car bon and Al l oy St eel Nut s

ASTM A572/ A572M ( 2015) St andar d Speci f i cat i on f or Hi gh- St r engt h Low- Al l oy Col umbi um- Vanadi um St r uct ur al St eel

ASTM A574 ( 2013) St andar d Speci f i cat i on f or Al l oy St eel Socket - Head Cap Scr ews

ASTM A588/ A588M ( 2015) St andar d Speci f i cat i on f or Hi gh- St r engt h Low- Al l oy St r uct ur al St eel wi t h 50 ksi ( 345 MPa) Mi ni mum Yi el d Poi nt , wi t h At mospher i c Cor r osi on Resi st ance

ASTM A606/ A606M ( 2009a) St andar d Speci f i cat i on f or St eel Sheet and St r i p, Hi gh- St r engt h, Low- Al l oy, Hot - Rol l ed and Col d- Rol l ed, wi t h I mpr oved At mospher i c Cor r osi on Resi st ance

ASTM A618/ A618M ( 2004; R 2010) St andar d Speci f i cat i on f or Hot - For med Wel ded and Seaml ess

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Hi gh- St r engt h Low- Al l oy St r uct ur al Tubi ng

ASTM A653/ A653M ( 2015) 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 A792/ A792M ( 2010) St andar d Speci f i cat i on f or St eel Sheet , 55% Al umi num- Zi nc Al l oy- Coat ed by t he Hot - Di p Pr ocess

ASTM F436 ( 2011) Har dened St eel Washer s

ASTM F835 ( 2013) Al l oy St eel Socket But t on and Fl at Count er sunk Head Cap Scr ews

BUI LDERS HARDWARE MANUFACTURERS ASSOCI ATI ON ( BHMA)

ANSI / BHMA A156. 13 ( 2012) Mor t i se Locks & Lat ches Ser i es 1000

ANSI / BHMA A156. 4 ( 2013) Door Cont r ol s - Cl oser s

I NTERNATI ONAL ORGANI ZATI ON FOR STANDARDI ZATI ON ( I SO)

I SO 898- 1 ( 2013) Mechani cal Pr oper t i es of Fast ener s Made of Car bon St eel and Al l oy St eel — Par t 1: Bol t s, Scr ews and St uds wi t h Speci f i ed Pr oper t y Cl asses — Coar se Thr ead and Fi ne Pi t ch Thr ead

1. 2 SYSTEM DESCRI PTI ON

Pr ovi de a bl ast r esi st ant door whi ch f i t s a Door Descr i pt i on as f ol l ows:

Hol l ow met al door s shal l be f l ush mount ed i n f r ames. Door s shal l be t he manual l y oper at ed, s i de hi nged, swi ngi ng t ype. Each door assembl y shal l i ncl ude t he door , f r ame, anchor s, har dwar e, and accessor i es and shal l be pr ovi ded by a s i ngl e manuf act ur er . Fr ames and anchor s shal l be capabl e of t r ansf er r i ng bl ast and r ebound r eact i ons t o t he adj acent suppor t i ng st r uct ur e. Resi st ance t o bl ast shal l be demonst r at ed ei t her by desi gn cal cul at i ons or t est s on pr ot ot ype door assembl i es.

1. 2. 1 Desi gn Requi r ement s

1. 2. 1. 1 St at i c Mat er i al St r engt h

Obt ai n t he st at i c val ues f or mi ni mum yi el d st r engt h ( or y i el d poi nt ) and ( ul t i mat e) t ensi l e st r engt h f or st eel f r om t he appl i cabl e mat er i al speci f i cat i on. For t ensi l e st r engt h speci f i ed i n t er ms of a t ensi l e st r engt h r ange, t he l owest t ensi l e st r engt h speci f i ed shal l be sel ect ed f or desi gn. St r uct ur al st eel havi ng a mi ni mum st at i c y i el d st r engt h ( or y i el d poi nt ) l ess t han 50 ksi shal l be desi gned usi ng an aver age yi el d st r engt h comput ed as 1. 1 t i mes t he mi ni mum st at i c y i el d st r engt h or y i el d poi nt . I f t he mi ni mum st at i c y i el d f or st r uct ur al st eel exceeds 50 ksi , t he expect ed y i el d st r engt h used f or desi gn shal l be equal t o t he mi ni mum speci f i ed st at i c y i el d st r engt h or y i el d poi nt wi t hout i ncr ease. The expect ed y i el d

SECTI ON 08 39 54 Page 3 st r ess f or st eel sheet and st r i p used i n desi gn shal l be comput ed as 1. 21 t i mes t he speci f i ed st at i c y i el d poi nt .

1. 2. 1. 2 Dynami c Mat er i al St r engt h

Comput e t he dynami c mat er i al st r engt h by appl y i ng a dynami c i ncr ease f act or t hat account s f or t he i ncr ease i n mat er i al st r engt h due t o st r ai n r at e ef f ect s. The dynami c i ncr ease f act or f or st r uct ur al st eel i n f l exur e shal l be appl i ed t o t he aver age yi el d st r engt h and shal l be 1. 29 , 1. 19 , and 1. 09 f or st r uct ur al st eel havi ng a mi ni mum yi el d st r engt h ( or y i el d poi nt ) of 36, 50, and 100 ksi , r espect i vel y. The dynami c i ncr ease f act or f or st r uct ur al st eel havi ng a mi ni mum yi el d st r engt h ( or y i el d poi nt ) bet ween t hese val ues shal l be obt ai ned by i nt er pol at i on. Opt i onal l y, f or st r uct ur al st eel i n t hese yi el d r anges, t he dynami c i ncr ease f act or shal l be det er mi ned by a det ai l ed anal ysi s t hat account s f or t he t i me t o y i el d.

The dynami c i ncr ease f act or f or s t r uct ur al st eel havi ng a mi ni mum yi el d exceedi ng 100 ksi shal l be 1. 0. The dynami c i ncr ease f act or f or st eel sheet and st r i p used i n f l exur e shal l be 1. 1 appl i ed t o t he aver age yi el d stress.

1. 2. 1. 3 St r uct ur al Member Desi gn

Hol l ow met al door s shal l be desi gned i n accor dance wi t h AI SI S100 except t hat f or bl ast desi gn, t he dynami c y i el d st r engt h shal l be subst i t ut ed f or t he st at i c y i el d poi nt .

1. 2. 1. 4 Dynami c Anal ysi s and Def or mat i on

Desi gn t he door usi ng an equi val ent s i ngl e degr ee of f r eedom or ot her appr oved dynami c anal ysi s met hod. The maxi mum door def or mat i on shal l be sel ect ed by t he door manuf act ur er except t hat t he maxi mum def or mat i on i n f l exur e shal l not exceed t he def or mat i on l i mi t s speci f i ed or i ndi cat ed.

The def or mat i on of st r uct ur al st eel member s havi ng a mi ni mum yi el d st r engt h or y i el d poi nt gr eat er t han 65 ksi shal l not exceed t he el ast i c def l ect i on. I ncr eased r esi st ance due t o st r ai n har deni ng of st r uct ur al st eel i n f l exur e can be used when t he duct i l i t y r at i o exceeds 10 or when ot her wi se appr oved. The duct i l i t y r at i o f or f l exur al member s i n hol l ow met al door s shal l not exceed 1. 0.

1. 2. 1. 5 Rebound Resi st ance

Rebound r esi st ance shal l be t he speci f i ed or i ndi cat ed per cent age of t he door r esi st ance at i ni t i al peak r esponse.

1. 2. 2 Bl ast Ef f ect s

1. 2. 2. 1 Overpressure

The spat i al di st r i but i on of over pr essur e shal l be uni f or m unl ess ot her wi se speci f i ed or i ndi cat ed. For over pr essur e speci f i ed or i ndi cat ed wi t h dur at i on onl y, t he wavef or m shal l be a t r i angl e wi t h a zer o r i se t i me.

1. 2. 2. 2 Over pr essur e Di r ect i on

The posi t i ve phase over pr essur e shal l be i n t he di r ect i on t hat causes t he door t o seat t owar d t he f r ame.

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1. 2. 3 Bl ast Door Oper at i on

Measur e t he f or ce r equi r ed t o set t he door i n mot i on f r om t he 90- degr ee open posi t i on, and measur e t he f or ce r equi r ed t o engage and r el ease t he l at ches at t he l at ch handl e wi t h t he door i n t he nor mal c l osed posi t i on.

1. 2. 4 Ot her Submi t t al s Requi r ement s

The f ol l owi ng shal l be submi t t ed:

a. Det ai l ed f abr i cat i on and assembl y dr awi ngs f or speci al door s or st andar d door s wi t h appr eci abl e modi f i cat i ons, i ndi cat i ng t he door l ocat i on and showi ng di mensi ons, mat er i al s, f abr i cat i on met hods, har dwar e, and accessor i es i n suf f i c i ent det ai l t o enabl e t he Cont r act i ng Of f i cer t o check compl i ance wi t h cont r act document s.

Document coor di nat i on bet ween door manuf act ur er and Mason & Hanger .

These dr awi ngs need not be submi t t ed f or st andar d door s f or whi ch manuf act ur er ' s cat al og dat a i s submi t t ed. Wel d symbol s used shal l conf or m t o AWS A2. 4.

b. Dat a on st andar d bl ast door s consi st i ng of cat al og cut s, br ochur es, c i r cul ar s, speci f i cat i ons, and pr oduct dat a t hat show compl et e di mensi ons and compl et el y descr i be over pr essur e r at i ngs, r ebound r at i ngs, door s, f r ames, anchor s, har dwar e, and accessor i es.

Manuf act ur er ' s i nst r uct i ons f or i nst al l at i on and f i el d t est i ng.

c. Det ai l ed st r uct ur al anal ysi s and desi gn cal cul at i ons demonst r at i ng r esi st ance t o bl ast when bl ast r esi st ance i s not demonst r at ed by pr ot ot ype t est s. Desi gn cal cul at i ons shal l demonst r at e adequacy under t he bl ast ef f ect s speci f i ed or i ndi cat ed. I ncl ude i n t he desi gn cal cul at i ons a sket ch of t he over pr essur e wavef or m; di mensi oned sket ches of bl ast r esi st i ng el ement s such as door member s, f r ame member s, l at ches, and hi nges; sect i on pr oper t i es f or bl ast r esi st i ng member s i ncl udi ng bui l t - up sect i ons; t he st andar d under whi ch st eel i s pr oduced; st at i c and dynami c mat er i al st r engt h pr oper t i es; t he r esi st ance, st i f f ness, mass, el ast i c nat ur al per i od, and el ast i c def l ect i on f or f l exur al member s; and t he peak def l ect i on, peak suppor t r ot at i on, and t i me t o peak def l ect i on f or door member s i n f l exur e.

Desi gn cal cul at i ons shal l cover i ni t i al r esponse, r ebound, and al l secondar y i t ems such as shear , wel ds, l ocal buckl i ng, web cr i ppl i ng, hi nges, and l at ches.

d. St eel mi l l r epor t s cover i ng t he number , chemi cal composi t i on, and t ensi on pr oper t i es f or st r uct ur al qual i t y st eel s. When bl ast r esi st ance i s demonst r at ed by cal cul at i ons, a cer t i f i cat e st at i ng t hat t he door assembl y pr ovi ded was manuf act ur ed usi ng t he same mat er i al s, di mensi ons, and t ol er ances shown i n t he cal cul at i ons. When bl ast r esi st ance i s demonst r at ed by pr ot ot ype t est i ng, a cer t i f i cat e st at i ng t hat door and f r ame pr ovi ded was manuf act ur ed usi ng t he same mat er i al s, di mensi ons, and t ol er ances as t he t est ed pr ot ot ype and l i s t i ng t he har dwar e and f r ame anchor s r equi r ed t o achi eve bl ast r esi st ance. Each cer t i f i cat e shal l be s i gned by an of f i c i al aut hor i zed t o cer t i f y i n behal f of t he manuf act ur er and shal l i dent i f y t he door assembl y and dat e of shi pment or del i ver y t o whi ch t he cer t i f i cat e appl i es.

e. I nf or mat i on, f or DOOR DESCRI PTI ON, bound i n manual f or m consi st i ng of manuf act ur er ' s saf et y pr ecaut i ons, pr event at i ve mai nt enance and schedul es, t r oubl eshoot i ng pr ocedur es, speci al t ool s, par t s l i s t , and spar e par t s dat a. Al l mat er i al shal l be cr oss r ef er enced t o t he door

SECTI ON 08 39 54 Page 5 desi gnat i ons shown on t he dr awi ngs.

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 he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00. 00 18 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

I nst al l at i on; G

SD- 03 Pr oduct Dat a

Door Descr i pt i on; G Desi gn Requi r ement s; G Manuf act ur er ' s Fi el d Ser vi ce

SD- 06 Test Repor t s

Tests Test s, I nspect i ons, and Ver i f i cat i ons

SD- 07 Cer t i f i cat es

Materials

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

Door Descr i pt i on; G

1. 4 QUALI TY ASSURANCE

Wel der s, wel di ng oper at or s, and wel d i nspect or s shal l be qual i f i ed i n accor dance wi t h AWS D1. 1/ D1. 1M except t hat wel der s per f or mi ng ar c wel di ng of st eel sheet and st r i p shal l be qual i f i ed i n accor dance wi t h

AWS D1. 3/ D1. 3M.

1. 5 DELI VERY, STORAGE, AND HANDLI NG

St or e door assembl i es, del i ver ed and pl aced i n st or age, wi t h pr ot ect i on f r om weat her and di r t , dust , and cont ami nant s.

1. 6 WARRANTY

Fur ni sh manuf act ur er ' s wr i t t en war r ant y cover i ng t he bl ast door assembl y f or 2 year s af t er accept ance by t he Gover nment . War r ant y shal l pr ovi de f or r epai r and r epl acement of t he bl ast door assembl y and i ndi v i dual har dwar e and accessor y i t ems i n t he event of mal f unct i on due t o def ect s i n desi gn, mat er i al s, and wor kmanshi p except t hat t he war r ant y need not cover f i ni shes pr ovi ded by ot her s.

PART 2 PRODUCTS

2. 1 MATERIALS

Onl y st r uct ur al qual i t y st eel mat er i al s, f or whi ch t ensi on pr oper t i es have

SECTI ON 08 39 54 Page 6 been obt ai ned, shal l be used t o r esi st bl ast except t hat commer ci al qual i t y st eel sheet and st r i p shal l be per mi t t ed f or pr ot ot ype t est ed hol l ow met al door s. Sel ect s t eel used i n t he door , door f r ame, and door f r ame anchor s, and non st ai nl ess st eel f ast ener s t hat r esi st bl ast , f r om t he mat er i al s specified.

2. 1. 1 St r uct ur al Tubi ng

St r uct ur al t ubi ng shal l conf or m t o ASTM A500/ A500M, ASTM A501/ A501M, or

ASTM A618/ A618M.

2. 1. 2 St r uct ur al St eel

St r uct ur al st eel bar s, pl at es, and shapes shal l conf or m t o ASTM A36/ A36M, ASTM A242/ A242M, ASTM A529/ A529M, ASTM A572/ A572M, or ASTM A588/ A588M.

Quenched and t emper ed st eel pl at e shal l conf or m t o ASTM A514/ A514M.

2. 1. 3 St eel Sheet and St r i p

St eel sheet and st r i p shal l conf or m t o ASTM A653/ A653M, Type A, B, and C;

ASTM A653/ A653M; ASTM A606/ A606M; or ASTM A792/ A792M, Gr ades 33, 37, 40, and 50.

2. 1. 4 Fasteners

St eel st uds and bol t s shal l conf or m t o ASTM A307, ASTM A325, ASTM A354, ASTM A449, or ASTM A490 as appl i cabl e. St eel nut s shal l conf or m t o ASTM A563. Har dened ci r cul ar , bevel ed, and cl i pped washer s shal l conf or m t o ASTM F436. St eel hex cap scr ews shal l conf or m t o I SO 898- 1. St eel socket - headed cap scr ews shal l conf or m t o ASTM A574. St eel but t on and f l at - headed count er sunk cap scr ews must conf or m t o ASTM F835.

2. 2 HARDWARE

2. 2. 1 Hinges

2. 2. 1. 1 Gener al Requi r ement s

Hi nges shal l be speci al l y manuf act ur ed t o suppor t t he door and t o r esi st bl ast i nduced l oadi ng. The number of hi nges shal l be det er mi ned by t he bl ast door manuf act ur er . Wel ds used i n hi nges shal l be cont i nuous. At t ach hi nges t o t he door and f r ame usi ng mechani cal f ast ener s, except t hat f ul l sur f ace hi nges f or door s wi t h l ocks shal l be at t ached t o t he door and f r ame by wel di ng or appr oved t amper - r esi st ant mechani cal f ast ener s and hi nges f or door s wi t h l ocks shal l have appr oved nonr emovabl e pi ns. Load r at i ngs and f at i gue l i f e f or bal l and r ol l er bear i ngs shal l be det er mi ned i n accor dance with ABMA 9 and ABMA 11 as appl i cabl e and, unl ess ot her wi se appr oved, t he bear i ng st eel shal l conf or m t o ASTM A534. Hi nges shal l be capabl e of oper at i ng f or t he mi ni mum number of cycl es speci f i ed wi t hout f ai l ur e or excessi ve wear under t he door ser vi ce l oads wher e one cycl e consi st s of swi ngi ng t he door back and f or t h bet ween t he nor mal c l osed posi t i on and t he 90- degr ee open posi t i on, wher e f ai l ur e or excessi ve wear means t hat t he l at ches do not seat pr oper l y or t he door does not swi ng smoot hl y due t o hi nge f ai l ur e or wear , and wher e door ser vi ce l oads consi st of t he door wei ght pl us any l oads pr oduced by har dwar e. Rol l i ng bear i ngs shal l be f act or y gr ease l ubr i cat ed and ei t her seal ed or pr ovi ded wi t h easi l y accessi bl e l ubr i cat i on f i t t i ngs.

SECTI ON 08 39 54 Page 7

2. 2. 1. 2 Hi nge Descr i pt i on

Hi nge Type 1 shal l be capabl e of smoot h oper at i on f or a mi ni mum of 250, 000 cycl es. Thi s t ype of hi nge shal l be pr ovi ded wi t h st r uct ur al qual i t y st eel pi ns and l eaf s and ei t her r ol l i ng bear i ngs i n bot h t he t hr ust and r adi al di r ect i ons or har dened st eel washer ( di sc) t hr ust bear i ngs and r ol l i ng r adi al bear i ngs.

2. 2. 2 Lat chi ng Syst em

2. 2. 2. 1 Lat chi ng Poi nt s

The number of l at chi ng poi nt s shal l be det er mi ned by t he door manuf act ur er . For mul t i pl e l at chi ng poi nt s, l at chi ng poi nt s can be pr ovi ded at t he head, s i l l , and j ambs. For j amb l at chi ng poi nt s, l at chi ng poi nt s shal l be pr ovi ded at t he j ambs onl y.

2. 2. 2. 2 Lat chi ng Syst em Oper at i on

Lat chi ng syst ems shal l be capabl e of oper at i ng f or t he same number of cycl es speci f i ed f or t he door hi nges wher e one l at ch oper at i ng cycl e consi st s of engagi ng and r el easi ng usi ng t he handl e. Lat ches shal l r emai n engaged unt i l manual l y r el eased and shal l not r el ease under bl ast l oads or r ebound. Manual l y oper at ed l at ches shal l r emai n i n t he r el eased posi t i on unt i l manual l y engaged. Sel f - l at chi ng l at ches shal l pr ovi de sel f - act i vat i ng engagement when t he door i s swung t o t he nor mal c l osed posi t i on. Handl es shal l r el ease l at ches under a c l ockwi se mot i on.

2. 2. 2. 3 Lat chi ng Mechani sm

Lat chi ng mechani sms f or hol l ow met al door s shal l be mount ed on t he seat i ng f ace of t he door and saf et y cover ed. Lat ch handl e axl es shal l be manuf act ur ed of har dened st eel or st ai nl ess st eel , and axl es r equi r i ng l ubr i cat i on shal l be pr ovi ded wi t h easi l y accessi bl e l ubr i cat i on f i t t i ngs.

2. 2. 2. 4 Saf et y Cover

Saf et y cover s shal l consi st of st eel housi ngs t hat encl ose t he l at chi ng mechani sm such t hat onl y t he oper at i ng r ods ar e exposed.

2. 2. 2. 5 Cover Pl at e

Cover pl at es f or st r uct ur al st eel door s shal l be manuf act ur ed of mi ni mum 1/ 4 i nch t hi ck pl at e and shal l encl ose t he ent i r e l at chi ng mechani sm.

2. 2. 2. 6 Latches

Lat ches ( l at ch bol t s) shal l be manuf act ur ed of st r uct ur al qual i t y st eel and t he l at ch bol t t hr ow shal l not be l ess t han 3/ 4 i nch. Lat ch bol t s shal l be t he s l i di ng t ype i n whi ch t he l at ch bol t s l i des i nt o a mat chi ng st r i ke i n t he door f r ame. Manual l y oper at ed l at ches shal l dr aw t he door t owar d t he f r ame dur i ng l at chi ng.

2. 2. 2. 7 Handle

Handl es f or door s wi t h l ock and l at ch set s shal l be manuf act ur ed of st eel cast i ngs. Lat ch handl es shal l be f i r ml y f ast ened t o axl es. Lever handl es shal l be per pendi cul ar t o t he door edge when l at ches ar e engaged. Si ngl e l ever handl es shal l be l ocat ed at t he st i l e opposi t e t he hi nges.

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2. 2. 3 Lock and Lat ch Set

Lever handl es shal l r el ease l at ches usi ng a t or que not exceedi ng 27 l b- i nch.

Lat ches ( l at ch bol t s) shal l be l ocat ed at t he st i l es and oper at ed f r om a s i ngl e l ever handl e. Onl y one deadbol t shal l be pr ovi ded. The deadbol t shal l be manuf act ur ed of st r uct ur al qual i t y st eel and t he deadbol t t hr ow shal l not be l ess t han 1 i nch. Mor t i se l ocks shal l be pr ovi ded wi t h ar mor ed f r ont s. The f unct i on number s f or mor t i se l ocks shal l be as def i ned in ANSI / BHMA A156. 13.

2. 2. 4 Keying

Keyi ng shal l conf or m t o Sect i on 08 71 00 DOOR HARDWARE.

2. 2. 5 Door St op

Door st ops shal l be desi gned t o r esi st t he i mpact of t he door . The st op shal l not scr at ch or scar t he door f i ni sh when t he door i s opened agai nst t he st op.

2. 2. 6 Sur f ace Door Cl oser

The sur f ace door c l oser shal l conf or m t o ANSI / BHMA A156. 4. The si ze and gr ade shal l be sel ect ed by t he door manuf act ur er .

2. 2. 7 Door Si l encer

Rubber door s i l encer s shal l cushi on t he i mpact of t he door agai nst t he f r ame so t hat st eel - t o- st eel cont act i s not made dur i ng c l osi ng.

2. 3 ACCESSORIES

2. 3. 1 Subframe

At t he Cont r act or ' s opt i on, a subf r ame can be pr ovi ded and bui l t i nt o t he st r uct ur e pr i or t o i nst al l at i on of t he f r ame. The subf r ame and subf r ame anchor s shal l be capabl e of t r ansf er r i ng bl ast and r ebound r eact i ons t o t he adj acent st r uct ur e, and t he f r ame shal l be capabl e of t r ansf er r i ng t hese r eact i ons t o t he subf r ame. The subf r ame shal l be f abr i cat ed i n t he same manner speci f i ed f or t he f r ame. I f subf r ame i s used, document coor di nat i on bet ween door manuf act ur er and Mason & Hanger .

2. 3. 2 Nameplate

Each door assembl y shal l have a per manent l y af f i xed namepl at e t hat di spl ays t he manuf act ur er ' s name, pl ace and year of manuf act ur e, and t he appl i cabl e peak over pr essur e, i mpul se, and r ebound r at i ng.

2. 4 FABRICATION

2. 4. 1 Shop Assembl y

Wel di ng shal l be i n accor dance wi t h AWS D1. 1/ D1. 1M except t hat ar c wel di ng of st eel sheet and st r i p shal l be i n accor dance wi t h AWS D1. 3/ D1. 3M and wel di ng of concr et e r ei nf or c i ng bar s shal l be i n accor dance wi t h AWS D1. 4/ D1. 4M. St ai nl ess st eel shal l be wel ded usi ng el ect r odes conf or mi ng t o AWS A5. 4/ A5. 4M. St r uct ur al st eel door s shal l be of wel ded const r uct i on. Fabr i cat ed st eel shal l be wel l - f or med t o shape and s i ze, SECTI ON 08 39 54 Page 9 wi t h shar p l i nes and angl es. I nt er medi at e and cor ner j oi nt s shal l be coped or mi t er ed. Exposed wel ds shal l be dr essed smoot h. The st i l es and t op of bui l t - up st r uct ur al st eel door s shal l be c l osed usi ng channel shapes or pl at es. When f easi bl e, f acepl at es f or st r uct ur al st eel door s shal l be one pi ece. When one- pi ece f acepl at es ar e not f easi bl e, pl at es shal l be j oi ned usi ng f ul l penet r at i on gr oove wel d but t j oi nt s or ot her appr oved wel ds.

Hol l ow met al door f r ames shal l be pr essed st eel or st r uct ur al st eel wi t h wel ded j oi nt s. St eel f r ames or subf r ames i nst al l ed i n masonr y wal l s shal l be pr ovi ded wi t h adj ust abl e anchor s. Hol l ow met al door s shal l be of uni t i zed gr i d const r uct i on wi t h wel ded gr i d j unct i ons and shal l have f l at , one- pi ece f ace sheet s spot wel ded t o each f ace of t he gr i d syst em. The edges of hol l ow met al door s shal l be c l osed wi t h seams cont i nuousl y wel ded.

Hol l ow met al door s shal l be neat i n appear ance, f r ee f r om war page and buckl e, and sui t abl e r ei nf or c i ng shal l be pr ovi ded f or har dwar e.

2. 4. 2 Shop Fi ni shi ng

Shop pr i mi ng of st eel sur f aces shal l conf or m t o Sect i on 09 90 00 PAI NTS AND COATI NGS, except t hat hol l ow met al door s shal l be ei t her di pped i n pr i mer af t er wel di ng i s compl et ed, or exposed sur f aces shal l be pr i med and i nt er i or sur f aces coat ed wi t h an appr oved r ust i nhi bi t or .

2. 4. 3 Clearance

The cl ear ance bet ween t he seat ed st eel sur f aces of st r uct ur al st eel door s and f r ames shal l not exceed 1/ 16 i nch. The l at er al c l ear ance bet ween f l ush mount ed st r uct ur al st eel door s and f r ames shal l not exceed 1/ 4 i nch at t he head and j ambs and t he c l ear ance bet ween t he meet i ng edges of pai r s of door s shal l not exceed 1/ 2 i nch. The l at er al c l ear ance bet ween hol l ow met al door s and f r ames shal l not exceed 1/ 8 i nch at t he head and j ambs and t he c l ear ance bet ween t he meet i ng edges of pai r s of door s shal l not exceed 1/ 4 i nch. The c l ear ance bet ween t he door bot t om and t hr eshol d shal l not exceed 3/ 4 i nch.

2. 5 BLAST DOOR ASSEMBLI ES

2. 5. 1 Door ; Met al

2. 5. 1. 1 Type

Type shal l be hol l ow met al .

2. 5. 1. 2 Overpressure

Over pr essur e shal l be 4. 04 psi wi t h 37 mi l l i second dur at i on i n t he seat i ng direction.

2. 5. 1. 3 Rebound

Rebound r esi st ance shal l be 100 per cent .

2. 5. 1. 4 Hardware

Hi nges shal l be Type 1. Lat ch poi nt s as det er mi ned by t he manuf act ur er and a s i ngl e l ever handl e oper at ed f r om t he seat i ng f ace wi t h sel f - l at chi ng l at ch engagement and sl i di ng l at ch bol t s shal l be pr ovi ded. Lock and l at ch set wi t h " c l assr oom" t ype f unct i on shal l be pr ovi ded. Door st op, sur f ace door c l oser , and door s i l encer shal l be pr ovi ded.

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2. 5. 1. 5 Oper at i ng For ces

Maxi mum oper at i ng f or ces shal l be 20 l bf t o set t he door i n mot i on and 15 l bf t o swi ng t he door . Maxi mum f or ce shal l be 20 l bf t o engage and r el ease latches.

2. 6 TESTS, I NSPECTI ONS, AND VERI FI CATI ONS

Submi t shop and f i el d oper at i ng t est r epor t s t hat i ncl ude val ues f or openi ng and cl osi ng f or ces and t i mes, f or ces r equi r ed t o oper at e l at ches, and a descr i pt i on of al l oper at i ng t est s per f or med.

PART 3 EXECUTI ON

3. 1 INSTALLATION

I nst al l door s and f r ames i n accor dance wi t h t he manuf act ur er ' s wr i t t en i nst r uct i ons. Pr essed st eel f r ames f or hol l ow met al door s shal l be f ul l y gr out ed. Fi ni sh pai nt exposed sur f aces i n accor dance wi t h Sect i on 09 90 00 PAI NTS AND COATI NGS. Repai r gal vani zed sur f aces damaged pr i or t o f i nal accept ance i n accor dance wi t h ASTM A780/ A780M t o t he same t hi ckness as t he or i gi nal gal vani z i ng.

3. 2 TESTS

Af t er i nst al l at i on i s compl et ed, f i el d t est each door f or oper at i on, c l ear ance, f i t , and seat i ng by oper at i ng t he door and har dwar e t hr ough at l east 10 oper at i ng cycl es. Test door and har dwar e oper at i on usi ng t he f or ces speci f i ed. Pr ovi de per sonnel and equi pment r equi r ed t o per f or m f i el d t est i ng. Unl ess wai ved, per f or m al l f i el d t est s i n t he pr esence of t he Cont r act i ng Of f i cer . Af t er t est i ng i s compl et ed, pr epar e t est r epor t s and f ur ni sh t hr ee copi es.

3. 3 MANUFACTURER' S FI ELD SERVI CE

Per f or m i nst al l at i on and t est i ng of door assembl i es under t he super vi s i on of t he door manuf act ur er ' s er ect i on engi neer . Upon compl et i on of t he wor k, and at a t i me desi gnat ed by t he Cont r act i ng Of f i cer , pr ovi de t he ser vi ces of one engi neer and ot her t echni cal per sonnel , as r equi r ed, f or a per i od of not l ess t han 4 hour s t o i nst r uct Gover nment per sonnel i n t he oper at i on and mai nt enance of t he bl ast door s and al l ot her i t ems f ur ni shed under t hi s speci f i cat i on. I ncl ude i n t he i nst r uct i ons v i deot apes and use of t he oper at i on and mai nt enance manual . Submi t an i nst r uct i on out l i ne and pr ocedur e f or appr oval pr i or t o schedul i ng t he i nst r uct i on and i nf or mat i on descr i bi ng t r ai ni ng t o be pr ovi ded, t r ai ni ng ai ds t o be used, and backgr ound dat a on t he per sonnel conduct i ng t he t r ai ni ng.

- - End of Sect i on - -

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2.6 TESTS, INSPECTIONS, AND VERIFICATIONS