Amendment 0003 - Enclosure (3) for PPI 101.pdf

B14 NEW STAI R/ LI FE SAFETY/ POWER I MPROVEMENTS 1737894

PORTSMOUTH NAVAL SHI PYARD, KI TTERY, ME

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WOOD WI NDOWS AND DOORS - REPAI R AND REHABI LI TATI ON

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.

ASTM I NTERNATI ONAL ( ASTM)

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

NATI ONAL PARK SERVI CE ( NPS)

Pr eser vat i on Br i ef 9 ( 1981) The Repai r of Hi st or i c Wooden Wi ndows

1. 2 SYSTEM DESCRI PTI ON

Repai r wood wi ndows and door s as i ndi cat ed and r et ur n t hem t o pr oper oper at i on and sound condi t i on.

1. 3 SUBMI TTALS

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 . The f ol l owi ng must be submi t t ed i n accor dance wi t h Sect i on

01 33 00 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Shop Dr awi ngs; G

SD- 03 Pr oduct Dat a

Wood Pr eser vat i ve; G Har dwar e; G Weat her st r i ppi ng; G Qual i f i cat i ons; G

SD- 04 Sampl es

Har dwar e; G Mol di ngs; G Weat her st r i ppi ng; G

1. 4 QUALI TY ASSURANCE

a. Pr ovi de qual i f i ed wor ker s t r ai ned and exper i enced i n r epai r i ng, r est or i ng, r epl i cat i ng, and r epl aci ng wi ndows and door s i n hi st or i c bui l di ngs; submi t document at i on of t hei r Qual i f i cat i ons dur i ng 5

SECTI ON 08 52 70 Page 1 consecut i ve year s of wor k of t hi s t ype; and a l i s t of i nst al l at i ons made i dent i f y i ng when, wher e and f or whom t he i nst al l at i ons wer e made.

b. Submi t Shop Dr awi ngs i ndi cat i ng el evat i ons of wi ndows and door s, f ul l - s i ze sect i ons, f ast eni ngs, met hods of i nst al l at i on and anchor age, met hod of gl azi ng, l ocat i ons of oper at i ng har dwar e, mul l i on det ai l s, met hod and mat er i al f or weat her st r i ppi ng, i nsect scr een, det ai l s, connect i ons wi t h ot her wor k and schedul es showi ng l ocat i on of each wi ndow and door .

c. Conf or m r epai r s t o di r ect i on as speci f i ed, i ndi cat ed on Dr awi ngs.

Coor di nat e wi t h Sect i on 02 42 91 REMOVAL AND SALVAGE OF HI STORI C

CONSTRUCTI ON MATERI ALS.

1. 5 DELI VERY, STORAGE, AND HANDLI NG

St or e mat er i al s out of cont act wi t h t he gr ound and under weat her t i ght cover i ng.

PART 2 PRODUCTS

2. 1 MATERI ALS

Reuse exi st i ng and sal vaged mat er i al s whenever possi bl e i n t he r epai r and r ehabi l i t at i on of hi st or i c wood wi ndows and door s. Thi s i ncl udes wood el ement s, har dwar e and gl azi ng t hat ar e det er mi ned t o be of hi st or i c s i gni f i cance. Repl ace el ement s wi t h new mat er i al onl y when no sal vaged mat er i al s ar e avai l abl e and or i gi nal s ar e so det er i or at ed as t o pr ohi bi t t hei r usef ul f unct i on.

2. 2 WOOD

Wood used t o r epl ace det er i or at ed wi ndow member s must be ei t her of sal vaged mat er i al or of t he same speci es and gr ade as t he or i gi nal .

Fi nger - j oi nt ed st ock may be used f or i nt er i or casi ng and t r i m onl y wher e schedul ed t o be pai nt ed.

2. 3 WOOD PRESERVATI VE

Br ush appl i ed pr eser vat i ve f or mul at i on cont ai ni ng 3- i do- 2 pr opynal but y l car bonat e ( I BCA) act i ve agent . Chemi cal f or mul at i on must not bl eed t hr ough or ot her wi se adver sel y af f ect pai nt ed f i ni sh.

2. 4 GLASS AND GLAZI NG

Reuse exi st i ng i nt act or i gi nal gl ass. Reuse r emoved l i ght s i n t hei r or i gi nal f r ames and posi t i ons. New gl ass and gl azi ng mat er i al s must conf or m t o Sect i on 08 81 00 GLAZI NG.

2. 5 HARDWARE

Reuse exi st i ng or i gi nal har dwar e, when i t i s sal vageabl e. Repl acement har dwar e must mat ch or i gi nal i n desi gn, mat er i al , and f i ni sh. Submi t Manuf act ur er ' s i nst al l at i on i nst r uct i ons f or each t ype of har dwar e and weat her st r i ppi ng; see par agr aph WEATHERSTRI PPI NG i n PART 3. Submi t r epr esent at i ve sampl e of each t ype of har dwar e wi t h i dent i f y i ng t ags.

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2. 6 FASTENERS

Fast ener s must be st ai nl ess st eel .

2. 7 GLAZI NG COMPOUND

Pr ovi de gl azi ng compound f or s i ngl e pane gl ass whi ch i s oi l - based, non- st ai ni ng and non- bl eedi ng. Regl aze exi st i ng i nsul at ed gl ass uni t s wi t h s i l i cone seal ant compl yi ng wi t h ASTM C1184 and compat i bl e wi t h t he uni t seal on t he gl ass uni t .

2. 8 GLAZI NG POI NTS

Gl azi ng poi nt s must be st ai nl ess st eel or gal vani zed st eel .

2. 9 EPOXY CONSOLI DANTS

2. 9. 1 Li qui d Consol i dant

Li qui d wood consol i dant must consi st of a t wo- par t , l ow- vi scosi t y l i qui d epoxy t hat meet s t he cr i t er i a of Tabl e A.

2. 9. 2 Epoxy Past e

Epoxy past e must consi st of a t wo- par t , t hi xot r opi c past e t hat meet s t he cr i t er i a of Tabl e A.

TABLE A

LI QUI D CONSOLI DANT EPOXY PASTE

Pr oper t i es Low- Vi scosi t y Li qui d No- Sl ump, Thi xot r opi c Past e

Toxi ci t y Low Ver y Low

Toxi ci t y Cur ed Non- Toxi c Non- Toxi c

Rat i os 1: 1 by Vol ume 1: 1 by Vol ume

Pot Li f e @ Room Temp. 30 mi nut es mi ni mum 50 mi nut es mi ni mum

Har deni ng @ Room Temp. 1 hr . or l onger 1 hr . or l onger

Har deni ng @ 140 deg. F 16 mi n. or l ess 18 mi n. or l ess

Vi scosi t y Poi ses @72 deg F 4. 7 max. Thi xot r opi c past e

Sol i ds 95% mi ni mum 98% mi ni mum

Tensi l e St r engt h 4000 psi 2500 psi

El ongat i on ( %) 50 4

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PART 3 EXECUTI ON

3. 1 EVALUATI ON

Per f or m a compl et e eval uat i on sur vey of t he exi st i ng condi t i ons of each wood wi ndow t o det er mi ne t he ext ent of r epai r s necessar y. The eval uat i on sur vey may be i n t he f or m of a schedul e and must not e at a mi ni mum:

a. Wi ndow l ocat i on.

b. Condi t i on of t he pai nt .

c. Condi t i on of f r ame and si l l .

d. Condi t i on of t he i nt er i or and ext er i or t r i m.

e. Condi t i on of t he sash ( i ncl udi ng r ai l s, st i l es, and munt i ns) .

f . Gl azi ng pr obl ems.

g. Wi ndow har dwar e and oper at i ng syst em.

h. The over al l condi t i on of t he wi ndow.

3. 1. 1 Wor k Eval uat i on

Test soundness of wi ndows and door s per NPS Pr eser vat i on Br i ef 9. Conf or m t o r epai r r ecommendat i ons of t hi s sect i on. Shoul d conf l i c t s exi st bet ween t he exi st i ng condi t i ons, schedul ed wor k on Dr awi ngs and t hi s sect i on, not i f y t he Cont r act i ng Of f i cer bef or e pr oceedi ng.

3. 2 REPAI RS

Repai r wi ndows and door s per NPS Pr eser vat i on Br i ef 9 and as i ndi cat ed.

3. 2. 1 Repai r Cl ass

Repai r wi ndows and door s based on schedul ed r epai r c l ass.

3. 2. 2 Exampl e Wi ndow and Door

Pr epar e an exi st i ng wi ndow and door of each t ype t o ser ve as an exampl e of t he qual i t y of r epai r s t o be pr ovi ded f or i nspect i on and appr oval by t he Cont r act i ng Of f i cer .

3. 2. 3 Wi ndow Sash Removal

Remove t he i nt er i or st ops f i r st , i n a met hod so as t o not scar t he wood.

Det ach connect i ng har dwar e and oper at i ng mechani sms and r emove t he sash f r om t he f r ame. I dent i f y r emoved sashes and f r ames as t o l ocat i on t o assur e r ei nst al l at i on i n t hei r or i gi nal posi t i ons. Wi ndows wi t h count er - wei ght syst ems must have t he sash cor ds det ached f r om t he si des of t he sash and t hei r ends pi nned wi t h a nai l or t i ed i n a knot t o pr event t hem f r om f al l i ng i nt o t he wei ght pocket ; t he l ower sash can t hen be r emoved. Remove t he par t i ng bead so as t o not scar t he wood. I nst al l pl ast i c cover i ng or pl ywood t o cover t he wi ndow openi ng dur i ng r epai r s.

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3. 2. 4 Pai nt Removal

Compl y wi t h t he pr ocedur es descr i bed on Sect i on 02 83 00. 00 22 MANAGEMENT

OF LEAD, CADMI UM, AND CHROMI UM ( VI ) DURI NG RENOVATI ON, DEMOLI TI ON,

CONSTRUCTI ON, REMOVAL AND ABATEMENT ( PNS PROJECTS) . Remove pai nt f r om f r ame, s i l l , wi ndow sash and munt i ns, and door s t o bar e wood usi ng non- dest r uct i ve means such as a st eam t abl e ( f or sashes and door s) , chemi cal st r i pper or heat gun. I f chemi cal st r i pper s ar e used, neut r al i ze wood af t er st r i ppi ng t o a l i t mus pH of 5 t o 8. 5. Al l ow wood t o dr y t o a moi st ur e cont ent of 8 t o 12 per cent bef or e r epai nt i ng. I f heat met hods ar e used f or pai nt r emoval , pr ot ect gl ass f r om sudden t emper at ur e change t o avoi d br eakage.

3. 2. 5 Wood Repai r

Remove badl y decayed ar eas ( wi t h mor e t han 30 per cent wood decayed) f r om wood door , wi ndow sash, s i l l , f r ame, and t r i m assembl i es. Pat ch moder at el y decayed ar eas ( l ess t han 30 per cent decayed) , weat her ed, or gouged wood wi t h appr oved pat chi ng compounds, and sand smoot h. Repai r i nt act wi ndow sash r ai l s and st i l es t hat ar e l oose wi t h new dowel s t o make j oi nt s t i ght .

3. 2. 6 Epoxy Wood Repai r

Appl y epoxy wood r epai r mat er i al s i n accor dance wi t h manuf act ur er ' s wr i t t en i nst r uct i ons. Fol l ow heal t h and saf et y i nst r uct i ons i n accor dance wi t h t he manuf act ur er ' s i nst r uct i ons. I dent i f y and cor r ect t he sour ce or cause of wood decay pr i or t o appl i cat i on of pat chi ng mat er i al s. Wet wood must be compl et el y dr i ed t o a moi st ur e cont ent of 8 t o 12 per cent t o i t s f ul l dept h bef or e pat chi ng. Cl ean wood t hat i s t o be pat ched of dust , gr ease, and l oose pai nt . Use cl ean mi xi ng equi pment t o avoi d cont ami nat i on. Mi x and pr opor t i ons must be as di r ect ed by t he manuf act ur er . Bat ches must be onl y l ar ge enough t o compl et e t he speci f i c j ob i nt ended. Pat chi ng mat er i al s must be compl et el y cur ed bef or e pai nt i ng or r ei nst al l at i on of pat ched pi eces.

3. 2. 6. 1 Epoxy Li qui d Wood Consol i dant

Use epoxy l i qui d wood consol i dant t o penet r at e and i mpr egnat e det er i or at ed wood sect i ons t o r ei nf or ce wood f i ber s t hat have become sof t ened or absor bent .

3. 2. 6. 2 Epoxy Past e

Use epoxy past e t o f i l l ar eas wher e por t i ons of wood ar e mi ssi ng such as hol es, cr acks, gaps, gouges, and ot her voi ds. Pr i me ar eas t o r ecei ve epoxy past e pat chi ng mat er i al wi t h compat i bl e epoxy l i qui d wood consol i dant or a pr i mer r ecommended by t he manuf act ur er .

3. 2. 7 Wood Repl acement

Repl ace pi eces decayed beyond r epai r wi t h sal vaged/ new pi eces t hat mat ch or i gi nal s. Joi ner y must mat ch t hat of exi st i ng. Munt i ns must have coped mor t i se and t enon j oi nt s. Mol ded member s must have mi t er ed or coped j oi nt s.

3. 2. 8 Har dwar e

Reuse exi st i ng har dwar e, whi ch i s i n good condi t i on, unl ess ot her wi se

SECTI ON 08 52 70 Page 5 not ed. St r i p r eused exi st i ng har dwar e of pai nt down t o bar e met al .

I nst al l new har dwar e wher e or i gi nal i s mi ssi ng, damaged, or unsui t abl e f or new oper at i on, i n accor dance wi t h manuf act ur er ' s di r ect i ons t o pr ovi de a secur e and smoot hl y oper at i ng assembl y.

3. 2. 9 Gl azi ng

Rei nst al l l i ght s t o be r eused i n t hei r or i gi nal f r ames and posi t i ons.

Br ush r abbet ed i nt egr al gl azi ng r ecesses wi t h boi l ed l i nseed oi l pr i or t o t he appl i cat i on of bed gl azi ng compound. Repl ace br oken gl ass wi t h sal vaged gl azi ng and new gl azi ng as speci f i ed i n Sect i on 08 81 00 GLAZI NG.

3. 2. 10 Wi ndow Oper at i ng Syst em

Repai r wi ndows wi t h count er - wei ght syst ems t o or i gi nal oper at i ng f unct i on. Reuse or i gi nal sash wei ght s ( and sash chai ns, i f appl i cabl e) wher ever possi bl e. Repl ace mi ssi ng wei ght s and sash cor ds or chai ns.

Repl ace mi ssi ng or det er i or at ed sash cor ds wi t h br ass chai ns r at ed f or sash wei ght . When wei ght s ar e r equi r ed, t hey must mat ch t he or i gi nal s i n wei ght . Repl acement wei ght s must be cast i r on or squar e mi l l ed st eel bar st ock.

3. 2. 11 Weat her st r i ppi ng and Mol di ngs

I nst al l weat her st r i ppi ng on oper abl e wi ndows and door s. Weat her st r i ppi ng must consi st of br ass, compr essi on or i nt er l ocki ng weat her st r i ps desi gned f or per manent seal i ng under bumper or wi per act i on. Pr ovi de weat her st r i ppi ng at t he per i met er of each door and each wi ndow sash i ncl udi ng meet i ng r ai l s and i nst al l i n accor dance wi t h manuf act ur er ' s i nst r uct i ons. Submi t a 12 i nch l ong sampl e of each t ype of weat her st r i ppi ng r equi r ed wi t h f ast ener s. Weat her st r i ppi ng must be compl et el y conceal ed when door or wi ndow sash i s c l osed. I nst al l mol di ngs i n accor dance wi t h manuf act ur er ' s i nst r uct i ons. Submi t a 12 i nch l ong pi ece of each mol di ng t ype r equi r ed f or each wi ndow and casi ng wi t h speci f i ed f i ni sh.

3. 3 PAI NTI NG PREPARATI ON

Scr ape and sand ar eas wher e pai nt was r emoved and f eat her edges. Remove pai nt t o bar e wood. Cl ean par t s by br ush usi ng bl each and/ or t r i sodi um phosphat e ( TSP) sol ut i on, and l et dr y. Appl y wood pr eser vat i ve t r eat ment . Fi l l open j oi nt s and cr acks wi t h epoxy r epai r mat er i al s.

Caul k per i met er of f i xed wi ndow sash.

3. 4 PAI NTI NG

Pr i me and pai nt wood el ement s i n accor dance wi t h Sect i on 09 90 00 PAI NTS

AND COATI NGS.

3. 5 REASSEMBLY

Af t er r epai r s ar e compl et ed, r eassembl e wi ndows and door s wi t h par t s t i ght , t r ue and f unct i oni ng pr oper l y. Wood sur f aces must be f r ee of bl emi shes.

3. 6 ADJUSTMENTS

Make f i nal adj ust ment f or pr oper oper at i on af t er r eassembl y. Adj ust oper at i ng wi ndow sash or vent i l at or s t o assur e smoot h oper at i on and

SECTI ON 08 52 70 Page 6 weat her t i ght per f or mance when l ocked cl osed.

3. 7 CLEANI NG

Cl ean wi ndows and door s on bot h ext er i or and i nt er i or s i des.

- - End of Sect i on - -

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