09_30_10.pdf

WATERVLI ET WAREHOUSE WATERVLIETWHSE

AMENDMENT 1

SECTI ON 09 30 10

CERAMI C, AND QUARRY TI LI NG

11/13

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 NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI A137. 1 ( 2012) Amer i can Nat i onal St andar ds Speci f i cat i ons f or Cer ami c Ti l e

ASTM I NTERNATI ONAL ( ASTM)

ASTM A1064/ A1064M ( 2016b) St andar d Speci f i cat i on f or Car bon- St eel Wi r e and Wel ded Wi r e Rei nf or cement , Pl ai n and Def or med, f or Concrete

ASTM C1027 ( 2009) St andar d Test Met hod f or Det er mi ni ng Vi s i bl e Abr asi on Resi st ance of Gl azed Cer ami c Ti l e

ASTM C144 ( 2011) St andar d Speci f i cat i on f or Aggr egat e f or Masonr y Mor t ar

ASTM C150/ C150M ( 2016; E 2016) St andar d Speci f i cat i on f or Por t l and Cement

ASTM C206 ( 2014) St andar d Speci f i cat i on f or Fi ni shi ng Hydr at ed Li me

ASTM C207 ( 2006; R 2011) St andar d Speci f i cat i on f or Hydr at ed Li me f or Masonr y Pur poses

ASTM C33/ C33M ( 2016) St andar d Speci f i cat i on f or Concr et e Aggregates

ASTM C373 ( 2016; E 2016) St andar d Test Met hods f or Det er mi nat i on of Wat er Absor pt i on and Associ at ed Pr oper t i es by Vacuum Met hod f or Pr essed Cer ami c Ti l es and Gl ass Ti l es and Boi l Met hod f or Ext r uded Cer ami c Ti l es and Non- t i l e Fi r ed Cer ami c Whi t ewar e Pr oduct s

ASTM C648 ( 2004; R 2009) Br eaki ng St r engt h of Cer ami c Ti l e

ASTM C847 ( 2014a) St andar d Speci f i cat i on f or Met al Lath

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ASTM D2103 ( 2015) St andar d Speci f i cat i on f or Pol yet hyl ene Fi l m and Sheet i ng

ASTM D226/ D226M ( 2009) St andar d Speci f i cat i on f or Asphal t - Sat ur at ed Or gani c Fel t Used i n Roof i ng and Wat er pr oof i ng

BAY AREA AI R QUALI TY MANAGEMENT DI STRI CT ( BAAQMD)

BAAQMD Reg 8, Rul e 51 ( 2002) Adhesi ve and Seal ant Pr oduct s

SOUTH COAST AI R QUALI TY MANAGEMENT DI STRI CT ( SCAQMD)

SCAQMD Rul e 1168 ( 1989; R 2005) Adhesi ve and Seal ant Applications

TI LE COUNCI L OF NORTH AMERI CA ( TCNA)

TCNA Hdbk ( 2013) Handbook f or Cer ami c, Gl ass, and St one Ti l e I nst al l at i on

U. S. GREEN BUI LDI NG COUNCI L ( USGBC)

LEED BD+C ( 2009; R 2010) Leader shi p i n Ener gy and Envi r onment al Desi gn( t m) Bui l di ng Desi gn and Const r uct i on ( LEED- NC)

LEED GBDC Ref Gui de ( 2009; R 2010) LEED Ref er ence Gui de f or Gr een Bui l di ng Desi gn, Const r uct i on and Maj or Renovat i ons of Commer ci al and I nst i t ut i onal Bui l di ngs i ncl udi ng Cor e & Shel l and K- 12 Pr oj ect s

U. S. NATI ONAL ARCHI VES AND RECORDS ADMI NI STRATI ON ( NARA)

36 CFR 1191 Amer i cans wi t h Di sabi l i t i es Act ( ADA) Accessi bi l i t y Gui del i nes f or Bui l di ngs and Faci l i t i es; Ar chi t ect ur al Bar r i er s Act ( ABA) Accessi bi l i t y Gui del i nes

1. 2 SUSTAI NABI LI TY REPORTI NG

Mat er i al s i n t hi s t echni cal speci f i cat i on may cont r i but e t owar ds cont r act compl i ance wi t h sust ai nabi l i t y r equi r ement s. See Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG f or pr oj ect LEED BD+C l ocal / r egi onal mat er i al s, l ow- emi t t i ng mat er i al s, r ecycl ed cont ent , r api dl y r enewabl e mat er i al s and LEED document at i on r equi r ement s.

1. 3 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance t o 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

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Det ai l Dr awi ngs; G, RO

SD- 03 Pr oduct Dat a

Tile ; G, RO Setting-Bed ; G, RO Mor t ar , Gr out , and Adhesi ve; G, RO Rei nf or ci ng Wi r e Fabr i c; G, RO

SD- 04 Sampl es

Tile ; G, RO Accessories ; G, RO Tr ansi t i on St r i ps; G, RO Grout ; G, RO

SD- 07 Cer t i f i cat es

Tile Mor t ar , Gr out , and Adhesi ve

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

Mai nt enance I nst r uct i ons

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

Installation ; G, RO

SD- 11 Cl oseout Submi t t al s

LEED Document at i on Adhesives ; ( LEED)

1. 4 QUALI TY ASSURANCE

I nst al l er s t o be f r om a company speci al i z i ng i n per f or mi ng t hi s t ype of wor k and have a mi ni mum of t wo year s exper i ence. Each t ype and col or of t i l e t o be pr ovi ded f r om a si ngl e sour ce. Each t ype and col or of mor t ar , adhesi ve, and gr out t o be pr ovi ded f r om t he same sour ce.

1. 5 DELI VERY, STORAGE, AND HANDLI NG

Shi p t i l es i n seal ed packages and cl ear l y mar ked wi t h t he gr ade, t ype of t i l e, pr oducer i dent i f i cat i on, and count r y of or i gi n. Del i ver mat er i al s t o t he pr oj ect s i t e i n manuf act ur er ' s or i gi nal unopened cont ai ner s wi t h seal s unbr oken and l abel s and hal l mar ks i nt act . Pr ot ect mat er i al s f r om weat her , and st or e t hem under cover i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons.

1. 6 ENVI RONMENTAL REQUI REMENTS

Do not per f or m cer ami c t i l e wor k unl ess t he subst r at e and ambi ent t emper at ur e i s at l east 50 degr ees F and r i s i ng. Mai nt ai n t emper at ur e above 50 degr ees F whi l e t he wor k i s bei ng per f or med and f or at l east 7 days af t er compl et i on of t he wor k. When t empor ar y heat er s ar e used, vent i l at e t he ar ea t o t he out si de t o avoi d car bon di oxi de damage t o new

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1. 7 WARRANTY

Pr ovi de manuf act ur er ' s st andar d per f or mance guar ant ees or war r ant i es t hat ext end beyond a 1- year per i od.

1. 8 EXTRA MATERI ALS

Suppl y an ext r a 10 per cent of each t ype t i l e used i n c l ean and mar ked cartons.

PART 2 PRODUCTS

2. 1 TILE

Fur ni sh t i l es t hat compl y wi t h ANSI A137. 1 and ar e st andar d gr ade t i l es.

Pr ovi de a mi ni mum br eaki ng st r engt h of 125 l bs. f or wal l t i l e and 250 l bs.

f or f l oor t i l e i n accor dance wi t h ASTM C648. Pr ovi de f l oor t i l es wi t h a wet dynami c coef f i c i ent of f r i c t i on ( DCOF) val ue of 0. 42 or gr eat er when t est ed i n accor dance wi t h ANSI A137. 1 r equi r ement s. Pr ovi de gl azed f l oor t i l e wi t h a Cl ass I V- Commer ci al c l assi f i cat i on as r at ed by t he manuf act ur er when t est ed i n accor dance wi t h ASTM C1027 f or v i s i bl e abr asi on r esi st ance as r el at ed t o f oot t r af f i c . For mat er i al s l i ke tile, accessories , and t r ansi t i on st r i ps submi t sampl es of suf f i c i ent s i ze t o show col or r ange, pat t er n, t ype and j oi nt s. Submi t manuf act ur er ' s cat al og dat a.

2. 1. 1 Por cel ai n Ti l e

Fur ni sh ungl azed por cel ai n t i l e, cove base and t r i m pi eces wi t h col or ext endi ng uni f or ml y t hr ough t he body of t he t i l e. Pr ovi de nomi nal t i l e s i ze( s) of 12 by 12 i nch and 3/ 8 i nch t hi ck. Pr ovi de a 0. 50 per cent maxi mum wat er absor pt i on i n accor dance wi t h ASTM C373.

2. 1. 1 Mosai c Ti l e

Fur ni sh ungl azed, mosai c t i l e, cove base and t r i m composed of nat ur al c l ay or por cel ai n. Pr ovi de nomi nal t i l e s i ze( s) of 1 by 1 i nch and a mi xt ur e of st andar d s i zes i n a st ock pat t er n. Pr ovi de por cel ai n mosai cs wi t h a wat er absor pt i on up t o 0. 50 per cent when t est ed i n accor dance wi t h

ASTM C373.

2. 1. 2 Gl azed Wal l Ti l e

Fur ni sh gl azed wal l t i l e t hat has cushi oned edges and t r i m wi t h l ead- f r ee br i ght f i ni sh. Pr ovi de nomi nal t i l e s i ze of 4- 1/ 4 by 4- 1/ 4 i nch.

2. 2 SETTING-BED

Submi t manuf act ur er ' s cat al og dat a. Compose t he set t i ng- bed of t he f ol l owi ng mat er i al s:

2. 2. 1 Aggr egat e f or Concr et e Fi l l

Conf or m t o ASTM C33/ C33M f or aggr egat e f i l l . Do not exceed one- hal f t he t hi ckness of concr et e f i l l f or maxi mum si ze of coar se aggr egat e.

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2. 2. 2 Por t l and Cement

Conf or m t o ASTM C150/ C150M f or cement , Type I , whi t e f or wal l mor t ar and gr ay f or ot her uses.

2. 2. 3 Sand

Conf or m t o ASTM C144 f or sand.

2. 2. 4 Hydr at ed Li me

Conf or m t o ASTM C206 f or hydr at ed l i me, Type S or ASTM C207, Type S.

2. 2. 5 Met al Lat h

Conf or m t o ASTM C847 f or f l at expanded t ype met al l at h, and wei ghi ng a minimum 2. 5 pound/ squar e yar d.

2. 2. 6 Rei nf or ci ng Wi r e Fabr i c

Conf or m t o ASTM A1064/ A1064M f or wi r e f abr i c. Pr ovi de 2 by 2 i nch mesh, 16/ 16 wi r e.

2. 3 WATER

Pr ovi de pot abl e wat er .

2. 4 MORTAR, GROUT, AND ADHESI VE

Submi t cer t i f i cat es i ndi cat i ng conf or mance wi t h speci f i ed r equi r ement s.

Submi t LEED document at i on r el at i ve t o l ow- emi t t i ng mat er i al s cr edi t i n accor dance wi t h LEED GBDC Ref Gui de. I ncl ude i n LEED Document at i on Not ebook. I nt er i or adhesives , seal ant s, pr i mer s and seal ant s used as f i l l er must meet t he r equi r ement s of LEED l ow emi t t i ng mat er i al s cr edi t .

Submi t manuf act ur er ' s cat al og dat a. Conf or m t o SCAQMD Rul e 1168 and BAAQMD Reg 8, Rul e 51, and t o t he f ol l owi ng f or mor t ar , grout , adhesi ve, and seal ant :

2. 4. 1 Dr y- Set Por t l and Cement Mor t ar

TCNA Hdbk.

2. 4. 2 Lat ex- Por t l and Cement Mor t ar

TCNA Hdbk.

2. 4. 3 Cer ami c Ti l e Gr out

TCNA Hdbk; pet r ol eum- f r ee and pl ast i c- f r ee l at ex- por t l and cement gr out .

2. 4. 4 Or gani c Adhesi ve

TCNA Hdbk, Type I . Wat er - r esi st ant . Compl y wi t h appl i cabl e r egul at i ons r egar di ng t oxi c and hazar dous mat er i al s and as speci f i ed.

2. 4. 5 Epoxy Resi n Gr out

TCNA Hdbk.

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2. 4. 6 Fur an Resi n Gr out

TCNA Hdbk and consi st of an i nt i mat e mi xt ur e of f ur f ur y l - al cohol r esi n wi t h car bon f i l l er and cat al yst .

2. 4. 7 Sealants

Compl y wi t h appl i cabl e r egul at i ons r egar di ng t oxi c and hazar dous mat er i al s and as speci f i ed. Gr out seal ant must not change t he col or or al t er t he appear ance of t he gr out .

2. 5 TRANSI TI ON STRI PS

Pr ovi de cl ear anodi zed al umi num t r ansi t i ons bet ween t i l e and ot her adj acent f i ni shed f l oor i ng. Pr ovi de t ypes as r ecommended by f l oor i ng manuf act ur er f or bot h edges and t r ansi t i ons of f l oor i ng mat er i al s speci f i ed. Pr ovi de t r ansi t i on st r i ps t hat compl y wi t h 36 CFR 1191 requirements.

2. 6 MEMBRANE MATERI ALS

Conf or m t o ASTM D226/ D226M, Type 1 f or 15 pound wat er pr oof i ng membr ane, asphal t - sat ur at ed bui l di ng f el t . Conf or m t o ASTM D2103 4 mi l f or pol yet hyl ene f i l m.

2. 7 COLOR, TEXTURE, AND PATTERN

Pr ovi de col or , pat t er n and t ext ur e i n accor dance wi t h as i ndi cat ed. Col or l i s t ed i s not i nt ended t o l i mi t t he sel ect i on of equal col or s f r om ot her manuf act ur er s. Pr ovi de f l oor pat t er ns as speci f i ed on t he dr awi ngs.

PART 3 EXECUTI ON

3. 1 PREPARATORY WORK AND WORKMANSHI P

I nspect sur f ace t o r ecei ve t i l e i n conf or mance t o t he r equi r ement s of TCNA Hdbk f or sur f ace condi t i ons f or t he t ype set t i ng bed speci f i ed and f or wor kmanshi p. Pr ovi de var i at i ons of t i l ed sur f aces t hat f al l wi t hi n maxi mum val ues shown bel ow:

TYPE WALLS FLOORS

Dr y- Set Mor t ar 1/ 8 i nch i n 8 f t . 1/ 8 i nch i n 10 f t .

Or gani c Adhesi ves 1/ 8 i nch i n 8 f t . 1/ 16 i nch i n 3 f t .

Lat ex Por t l and Cement Mor t ar 1/ 8 i nch i n 8 f t . 1/ 8 i nch i n 10 f t .

Epoxy 1/ 8 i nch i n 8 f t . 1/ 8 i nch i n 10 f t .

3. 2 GENERAL I NSTALLATI ON REQUI REMENTS

Do not st ar t t i l e wor k unt i l r oughi ng i n f or mechani cal and el ect r i cal wor k has been compl et ed and t est ed, and bui l t - i n i t ems r equi r i ng membr ane wat er pr oof i ng have been i nst al l ed and t est ed. Cl ose space, i n whi ch t i l e i s bei ng set , t o t r af f i c and ot her wor k. Keep cl osed unt i l t i l e i s f i r ml y set . Do not st ar t f l oor t i l e i nst al l at i on i n spaces r equi r i ng wal l t i l e

SECTI ON 09 30 10 Page 6 unt i l af t er wal l t i l e has been i nst al l ed. Appl y t i l e i n col or s and pat t er ns i ndi cat ed i n t he ar ea shown on t he dr awi ngs. I nst al l t i l e wi t h t he r espect i ve sur f aces i n t r ue even pl anes t o t he el evat i ons and gr ades shown. Pr ovi de speci al shapes as r equi r ed f or s i l l s , j ambs, r ecesses, of f set s, ext er nal cor ner s, and ot her condi t i ons t o pr ovi de a compl et e and neat l y f i ni shed i nst al l at i on. Sol i dl y back t i l e bases and coves wi t h mor t ar . Do not wal k or wor k on newl y t i l ed f l oor s wi t hout usi ng kneel i ng boar ds or equi val ent pr ot ect i on of t he t i l ed sur f ace. Keep t r af f i c of f hor i zont al por t l and cement mor t ar i nst al l at i ons f or at l east 72 hour s.

Keep al l t r af f i c of f epoxy i nst al l ed f l oor s f or at l east 40 hour s af t er gr out i ng, and heavy t r af f i c of f f or at l east 7 days, unl ess ot her wi se speci f i cal l y aut hor i zed by manuf act ur er . Di mensi on and dr aw detail drawings at a mi ni mum scal e of 1/ 4 i nch = 1 f oot . I ncl ude dr awi ngs of pat t er n at i nsi de cor ner s, out s i de cor ner s, t er mi nat i on poi nt s and l ocat i on of al l equi pment i t ems such as t her most at s, swi t ch pl at es, mi r r or s and t oi l et accessor i es mount ed on sur f ace. Submi t manuf act ur er ' s preprinted installation i nst r uct i ons.

3. 3 I NSTALLATI ON OF WALL TI LE

I nst al l wal l t i l e i n accor dance wi t h t he TCNA Hdbk, met hod W223, and W242, or 247 and wi t h gr out j oi nt s as r ecommended by t he manuf act ur er f or t he t ype of t i l e. I nst al l t hi nner wal l t i l e f l ush wi t h t hi cker wal l t i l e appl i ed on same wal l and pr ovi de i nst al l at i on mat er i al s as r ecommended by t he t i l e and set t i ng mat er i al s manuf act ur er ' s t o achi eve f l ush installation.

3. 3. 1 Dr y- Set Mor t ar and Lat ex- Por t l and Cement Mor t ar

Use Dr y- set or Lat ex- Por t l and Cement t o i nst al l t i l e i n accor dance wi t h TCNA Hdbk. Use Lat ex Por t l and Cement when i nst al l i ng por cel ai n cer ami c tile.

3. 3. 2 Or gani c Adhesi ve

Conf or m t o TCNA Hdbk f or t he or gani c adhesi ve i nst al l at i on of cer ami c t i l e.

3. 3. 3 Fur an Mor t ar and Gr out

Conf or m t o TCNA Hdbk f or f ur an mor t ar and gr out i nst al l at i on.

3. 3. 4 Cer ami c Ti l e Gr out

Pr epar e and i nst al l cer ami c t i l e gr out i n accor dance wi t h TCNA Hdbk.

Pr ovi de and appl y manuf act ur er ' s st andar d pr oduct f or seal i ng gr out j oi nt s i n accor dance wi t h manuf act ur er ' s r ecommendat i ons.

3. 4 I NSTALLATI ON OF FLOOR TI LE

I nst al l f l oor t i l e i n accor dance wi t h TCNA Hdbk met hod F116 and wi t h gr out j oi nt s as r ecommended by t he manuf act ur er f or t he t ype of t i l e.

I nst al l shower r ecept or s i n accor dance wi t h TCNA Hdbk met hod B414 or B415.

3. 4. 1 Wor kabl e or Cur ed Mor t ar Bed

I nst al l f l oor t i l e over a wor kabl e mor t ar bed or a cur ed mor t ar bed at t he opt i on of t he Cont r act or . Conf or m t o TCNA Hdbk f or wor kabl e mor t ar bed mat er i al s and i nst al l at i on. Conf or m t o TCNA Hdbk f or cur ed mor t ar bed mat er i al s and i nst al l at i on. Pr ovi de mi ni mum 1/ 4 i nch t o maxi mum 3/ 8 i nch

SECTI ON 09 30 10 Page 7 j oi nt s i n uni f or med wi dt h.

3. 4. 2 Dr y- Set and Lat ex- Por t l and Cement

Use dr y- set or Lat ex- Por t l and cement mor t ar t o i nst al l t i l e di r ect l y over pr oper l y cur ed, pl ane, c l ean concr et e s l abs i n accor dance wi t h TCNA Hdbk.

Use Lat ex Por t l and cement when i nst al l i ng por cel ai n cer ami c t i l e.

3. 4. 3 Cer ami c Ti l e Gr out

Pr epar e and i nst al l cer ami c t i l e gr out i n accor dance wi t h TCNA Hdbk.

Pr ovi de and appl y manuf act ur er ' s st andar d pr oduct f or seal i ng gr out j oi nt s i n accor dance wi t h manuf act ur er ' s r ecommendat i ons.

3. 4. 4 Waterproofing

Shower pans ar e speci f i ed i n Sect i on 22 00 00 PLUMBI NG, GENERAL PURPOSE.

3. 4. 5 Concr et e Fi l l

Compose concr et e f i l l by vol ume of 1 par t Por t l and cement t o 3 par t s f i ne aggr egat e t o 4 par t s coar se aggr egat e, and mi x wi t h wat er t o as dr y a consi st ency as pr act i cabl e. Spr ead, t amp, and scr eed concr et e f i l l t o a t r ue pl ane, and pi t ch t o dr ai ns or l evel s as shown. Thor oughl y damp concr et e f i l l bef or e appl y i ng set t i ng- bed mat er i al . Rei nf or ce concr et e f i l l wi t h one l ayer of r ei nf or cement , wi t h t he uncut edges l apped t he wi dt h of one mesh and t he cut ends and edges l apped a mi ni mum 2 i nch. Ti e l aps t oget her wi t h 18 gauge wi r e ever y 10 i nch al ong t he f i ni shed edges and ever y 6 i nch al ong t he cut ends and edges. Pr ovi de r ei nf or cement wi t h suppor t and secur e i n t he cent er s of concr et e f i l l s . Pr ovi de a cont i nuous mesh; except wher e expansi on j oi nt s occur , cut mesh and di scont i nue acr oss such j oi nt s. Pr ovi de r ei nf or ced concr et e f i l l under t he set t i ng- bed wher e t he di st ance bet ween t he under - f l oor sur f ace and t he f i ni shed t i l es f l oor sur f ace i s a mi ni mum of 2 i nches, and of t he same t hi ckness t hat t he mor t ar set t i ng- bed over t he concr et e f i l l wi t h t he t hi ckness r equi r ed i n t he speci f i ed TCNA Hdbk met hod.

3. 5 I NSTALLATI ON OF TRANSI TI ON STRI PS

I nst al l t r ansi t i on st r i ps wher e i ndi cat ed, i n a manner s i mi l ar t o t hat of t he cer ami c t i l e f l oor and as r ecommended by t he manuf act ur er . Pr ovi de t hr eshol ds f ul l wi dt h of t he openi ng. I nst al l head j oi nt s at ends not exceeding 1/ 4 i nch i n wi dt h and gr out ed f ul l .

3. 6 CLEANI NG AND PROTECTI NG

Upon compl et i on, t hor oughl y c l ean t i l e sur f aces i n accor dance wi t h manuf act ur er ' s appr oved cl eani ng i nst r uct i ons. Do not use aci d f or c l eani ng gl azed t i l e. Cl ean f l oor t i l e wi t h r esi nous gr out or wi t h f act or y mi xed gr out i n accor dance wi t h pr i nt ed i nst r uct i ons of t he gr out manuf act ur er . Af t er t he gr out has set , pr ovi de a pr ot ect i ve coat of a noncor r osi ve soap or ot her appr oved met hod of pr ot ect i on f or t i l e wal l sur f aces. Cover t i l ed f l oor ar eas wi t h bui l di ng paper bef or e f oot t r af f i c i s per mi t t ed over t he f i ni shed t i l e f l oor s. Pr ovi de boar d wal kways on t i l ed f l oor s t hat ar e t o be cont i nuousl y used as passageways by wor kmen.

Repl ace damaged or def ect i ve t i l es. Submi t copy of manuf act ur er ' s pr i nt ed mai nt enance i nst r uct i ons.

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2.2 COLOR

3.3 CLEAN-UP