Amendment_0002_Specifications_03_35_43.pdf

BLDG150AM2 CURZ 152802

Ver mont Ai r Nat i onal Guar d Base, VT

* * * AMENDMENT 0002* * * SECTI ON 03 35 43

POLI SHED CONCRETE FI NI SHI NG

07/17

PART 1 GENERAL

1. 1 SUMMARY

Sect i on I ncl udes:

a. Gr i ndi ng and honi ng of t he s l ab sur f ace t o r ecei ve c l ear r eact i ve, penet r at i ng l i qui d har dener / densi f i er t o i nt er i or concr et e.

b. Appl i cat i on of c l ear r eact i ve, penet r at i ng l i qui d har dener .

c. Pr ogr essi vel y pol i shi ng and bur ni shi ng of t he s l ab sur f ace t o achi eve Fi ni sh Requi r ement s.

d. Appl i cat i on of st ai n r esi st ant sur f ace t r eat ment .

1. 2 RELATED REQUI REMENTS

a. Sect i on 01 33 00 Submi t t al Pr ocedur es.

b. Sect i on 01 78 23 Oper at i ons and Mai nt enance Dat a.

c. Sect i on 03 30 00 Cast - i n- Pl ace Concr et e.

d. Sect i on 07 92 00 Joi nt Seal ant s.

1. 3 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 B101. 3 Test Met hod f or Measur i ng Wet DCOF of Common Har d Sur f ace Fl oor Mat er i al s

ASTM I NTERNATI ONAL ( ASTM)

ASTM C1028 St andar d Test Met hod f or Det er mi ni ng t he St at i c Coef f i c i ent of Fr i ct i on of Cer ami c Ti l e and Ot her Li ke Sur f aces by t he Hor i zont al Dynamomet er Pul l - Met er Met hod

ASTM C1353 St andar d Test Met hod f or Abr asi on Resi st ance of Di mensi on St one Subj ect ed t o Foot Tr af f i c Usi ng a Rot ar y Pl at f or m, Doubl e- Head Abr aser

ASTM D1308 ( 2013) Ef f ect of Househol d Chemi cal s on Cl ear and Pi gment ed Or gani c Fi ni shes

ASTM D4541 ( 2009; E 2010) Pul l - Of f St r engt h of

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AMENDMENT 0002

Coat i ngs Usi ng Por t abl e Adhesi on Test er s

ASTM G154 ( 2016) St andar d Pr act i ce f or Oper at i ng Fl uor escent Li ght Appar at us f or UV Exposur e of Nonmet al l i c Mat er i al s

1. 4 ADMI NI STRATI VE REQUI REMENTS

Pr e- I nst al l at i on Meet i ng: Convene bef or e t he st ar t of wor k on new concr et e s l abs, pat chi ng of exi st i ng concr et e s l abs and st ar t of appl i cat i on of concr et e f i ni sh syst em.

Requi r e at t endance of par t i es di r ect l y af f ect i ng wor k of t hi s Sect i on, i ncl udi ng t he Owner ' s Repr esent at i ve, Cont r act or , Ar chi t ect , concr et e i nst al l er , and appl i cat or . Meet i ng shoul d onl y convene when r equi r ed par t i es ar e pr esent . Revi ew t he f ol l owi ng:

a. Physi cal r equi r ement s of compl et ed concr et e s l ab and sl ab f i ni sh.

b. Locat i ons and t i me of t est ar eas.

c. Pr ot ect i on of sur f aces not schedul ed f or f i ni sh appl i cat i on.

d. Sur f ace pr epar at i on.

e. Appl i cat i on pr ocedur e.

f . Qual i t y cont r ol .

g. Cl eani ng.

h. Pr ot ect i on of f i ni sh syst em.

i . Coor di nat i on wi t h ot her wor k.

1. 5 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 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 SUBMI TTAL PROCEDURES:

SD- 03 Pr oduct Dat a

Submi t manuf act ur er ' s pr oduct dat a sheet s and t est ed physi cal and per f or mance pr oper t i es on pr oduct s t o be used f or t he wor k.

SD- 05 Desi gn Dat a

Fl oor Pr ot ect i on Pl an

SD- 07 Cer t i f i cat es

VOC Cer t i f i cat i on

Submi t cer t i f i cat i on t hat pr oduct s f ur ni shed compl y wi t h r egul at i ons cont r ol l i ng use of vol at i l e or gani c compounds ( VOC) .

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Cer t i f i cat es by manuf act ur er st at i ng t hat i nst al l er i s l i s t ed appl i cat or of speci al concr et e f i ni shes, and has compl et ed t he necessar y t r ai ni ng pr ogr ams.

1. 6 QUALI TY ASSURANCE

1. 6. 1 I nst al l er Qual i f i cat i ons

Appl i cat or t o be f ami l i ar wi t h t he speci f i ed r equi r ement s and t he met hods needed f or pr oper per f or mance of wor k of t hi s Sect i on. Appl i cat or must have avai l abi l i t y of pr oper equi pment t o per f or m wor k wi t hi n scope of t hi s pr oj ect on a t i mel y basi s. Appl i cat or shoul d have successf ul l y per f or med a mi ni mum of 5 pr oj ect s of s i mi l ar scope and compl exi t y.

1. 6. 2 Mock- up

On si t e, pr i or t o t he st ar t of t he pol i shed concr et e f i ni shi ng pr ocess:

a. Requi r e at t endance of par t i es di r ect l y af f ect i ng wor k of t hi s Sect i on, i ncl udi ng t he Cont r act or , Appl i cat or , and Owner ' s Repr esent at i ve.

b. Not i f y t he above par t i es one week i n advance of dat e and t i me when mock- up wi l l be compl et ed.

c. Demonst r at e t he mat er i al s, equi pment , and appl i cat i on met hods t o be used f or wor k speci f i ed her ei n i n pr e- appr oved l ocat i on appr oxi mat el y 50 sq. f t . i n ar ea or as di r ect ed by Owner ' s Repr esent at i ve.

d. Ret ai n appr oved mock- up dur i ng const r uct i on as a st andar d f or j udgi ng t he compl et ed wor k. Ar eas may r emai n as par t of t he compl et ed wor k.

1. 7 DELI VERY, STORAGE, AND HANDLI NG

Del i ver mat er i al s i n or i gi nal cont ai ner s, wi t h seal s unbr oken, bear i ng manuf act ur er l abel s i ndi cat i ng br and name and di r ect i ons f or st or age.

St or e concr et e har dener / densi f i er and sur f ace pr ot ect ant t r eat ment i n envi r onment r ecommended on publ i shed manuf act ur er ' s pr oduct dat a sheet s.

a. St or e cont ai ner s upr i ght i n a cool , dr y, wel l - vent i l at ed pl ace, out of t he sun wi t h t emper at ur e bet ween 40 and 100 degr ees F.

b. Pr ot ect f r om f r eezi ng.

c. St or e away f r om ot her chemi cal s and pot ent i al sour ces of cont ami nat i on.

d. Keep l i ght s, f i r e, spar ks, and heat away f r om cont ai ner s.

e. Do not dr op cont ai ner s or s l i de acr oss shar p obj ect s.

f . Do not st ack pal l et s mor e t han t hr ee hi gh.

g. Keep cont ai ner s t i ght l y c l osed when not i n use.

1. 8 FI ELD CONDI TI ONS

a. Envi r onment al l i mi t at i ons:

( 1) Compl y wi t h manuf act ur er ' s wr i t t en i nst r uct i ons f or subst r at e t emper at ur e and moi st ur e cont ent , ambi ent t emper at ur e and

92654Bldg150 SECTI ON 03 35 43 Page 3 humi di t y, vent i l at i on, and ot her condi t i ons af f ect i ng per f or mance and f i ni shi ng r equi r ement s.

b. Cl ose ar eas t o t r af f i c dur i ng f l oor appl i cat i on and af t er appl i cat i on f or t i me per i od r ecommended i n wr i t i ng by manuf act ur er .

c. Pr ot ect t he compl et ed s l ab t o pr event damage by t he ot her t r ades dur i ng f l oor compl et i on.

d. Temper at ur e Li mi t at i ons:

( 1) Appl y when sur f ace and ai r t emper at ur e ar e bet ween 40 degr ees F and 95 degr ees F unl ess ot her wi se i ndi cat ed by manuf act ur er ' s wr i t t en i nst r uct i ons.

( 2) Appl y when sur f ace and ai r t emper at ur es ar e expect ed t o r emai n above 40 degr ees F f or a mi ni mum of 8 hour s af t er appl i cat i on, unl ess ot her wi se i ndi cat ed by manuf act ur er ' s wr i t t en i nst r uct i ons.

e. Appl y when ai r condi t i ons ar e cal m t o mi ni mi ze sur f ace t r eat ment cont act i ng sur f ace not i nt ended t o be f i ni shed.

f . Do not appl y t o f r ozen subst r at e. Al l ow adequat e t i me f or subst r at e t o t haw i f f r eezi ng condi t i ons exi st bef or e appl i cat i on.

g. Appl y a mi ni mum of 24 hour s af t er r ai n event . Suspend appl i cat i on when r ai n i s ant i c i pat ed f or a per i od of 8 hour s af t er appl i cat i on, unl ess ot her wi se i ndi cat ed by manuf act ur er ' s wr i t t en i nst r uct i ons.

h. Tempor ar y Heat : Ambi ent t emper at ur e of 50 degr ees F mi ni mum.

i . Vent i l at i on: Pr ovi de adequat e vent i l at i on i n conf i ned or encl osed ar eas i n accor dance wi t h manuf act ur er ' s i nst r uct i ons.

PART 2 PRODUCTS

2. 1 MANUFACTURERS

Basi s of Desi gn Manuf act ur er : PROSOCO, I nc. or equal .

2. 2 MATERI ALS

a. Li qui d Concr et e Repai r Mat er i al : Low- odor , l i qui d f i l l mat er i al used t o f i l l pi nhol es, smal l ai r voi ds and pop- out s, mi cr o- cr acks and ot her gaps i n concr et e sur f ace dur i ng gr i ndi ng.

( 1) Pr oduct : Consol i deck Gr i nd- N- Fi l l manuf act ur ed by PROSOCO, I nc.

or equal .

( 2) Subj ect t o compl i ance wi t h t he f ol l owi ng r equi r ement s:

( a) Compl y wi t h nat i onal , st at e, and di st r i c t AI M VOC r egul at i ons and cont ai n 100 g/ L or l ess.

b. Pr e- Densi f i er Concr et e Cl eaner : Cl eaner t o r emove di r t , oi l , gr ease, and ot her st ai ns f r om exi st i ng s l ab sur f ace.

( 1) Pr oduct : Consol i deck Cl eaner / Degr easer manuf act ur ed by PROSOCO, I nc. or equal .

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c. Penet r at i ng Concr et e Har dener / Densi f i er : Li t hi um si l i cat e hardener/densifier.

( 1) Pr oduct : Consol i deck LS, manuf act ur ed by PROSOCO, I nc. or equal .

( 2) Subj ect t o compl i ance wi t h t he f ol l owi ng r equi r ement s:

( a) Li v i ng Bui l di ng Chal l enge 2. 0/ 2. 1/ 3. 0/ 3. 1 Red Li st Compl i ant .

( b) Reci pi ent of Sci ent i f i c Cer t i f i cat i on Syst em ( SCS) I ndoor Ai r Qual i t y Gol d Cer t i f i cat i on.

( c) Compl y wi t h nat i onal , st at e, and di st r i c t AI M VOC r egul at i ons and cont ai n 50 g/ L or l ess.

( d) Regi st er ed as an appr oved NSF I nt er nat i onal / Nonf ood Compound Registration.

( e) Abr asi on Resi st ance: Gr eat er t han 50 per cent i mpr ovement over unt r eat ed sampl es when t est ed i n accor dance wi t h ASTM C1353.

( f ) Achi eve ' Hi gh Tr act i on Range' r eadi ngs when t est ed i n accor dance wi t h ANSI / NSFI B101. 1 and ANSI B101. 3.

( g) Coef f i c i ent of Fr i ct i on: Gr eat er t han 0. 60 dr y, Gr eat er t han

0. 60 wet when t est ed i n accor dance wi t h ASTM C1028.

( h) Adhesi on: Gr eat er t han 10 per cent i ncr ease i n pul l - of f st r engt h when compar ed t o an unt r eat ed sampl e when t est ed i n accor dance wi t h ASTM D4541.

( i ) Wat er Vapor Tr ansmi ssi on: 100 per cent r et ai ned when compar ed t o unt r eat ed sampl es when t est ed i n accor dance wi t h ASTM E96/ E96M Met hod B ( Wat er Met hod) .

( j ) UV St abi l i t y : No degr adat i on or yel l owi ng of mat er i al when t est ed i n accor dance wi t h ASTM G154.

d. I nt er i or Concr et e Pr ot ect i ve Tr eat ment s:

( 1) Gener al Pur pose medi um gl oss, f i l m f or mi ng seal er .

( a) Pr oduct : Consol i deck Pol i shGuar d, manuf act ur ed by PROSOCO, I nc. or equal .

( b) Subj ect t o compl i ance wi t h t he f ol l owi ng r equi r ement s:

1. Li v i ng Bui l di ng Chal l enge 2. 0/ 2. 1/ 3. 0/ 3. 1 Red Li st Compl i ant .

2. Reci pi ent of Sci ent i f i c Cer t i f i cat i on Syst em ( SCS) I ndoor Ai r Qual i t y Gol d Cer t i f i cat i on.

3. Compl y wi t h nat i onal , st at e, and di st r i c t AI M VOC r egul at i ons.

4. Achi eve ' Hi gh Tr act i on Range' r eadi ngs when t est ed i n accor dance wi t h ANSI / NSFI B101. 1 and ANSI B101. 3.

5. Coef f i c i ent of Fr i ct i on: Gr eat er t han 0. 60 dr y, Gr eat er t han

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0. 60 wet when t est ed i n accor dance wi t h ASTM C1028.

6. St ai n Resi st ance: Achi eve l i mi t ed or no adver se ef f ect s when t est ed i n accor dance wi t h ASTM D1308.

7. UV St abi l i t y : No degr adat i on or yel l owi ng of mat er i al when t est ed i n accor dance wi t h ASTM G154.

2. 3 EQUI PMENT

a. Aut o Scr ubber Machi ne: For c l eani ng oper at i ons.

b. Hand Gr i nder or st and- up edger f or edge gr i ndi ng/ pol i shi ng.

c. Gr i ndi ng/ Pol i shi ng Equi pment :

( 1) Dr y gr i ndi ng/ pol i shi ng machi nes shal l i ncl ude a dust ext r act i on syst em, i ncl udi ng HEPA f i l t r at i on vacuum.

d. Di amond Segment s:

( 1) Use heads f r om t he same manuf act ur er s t hr oughout t he ent i r et y of t he Pr oj ect .

e. Di amond Heads Types:

( 1) Met al Di amonds: 80 or 150.

( 2) Hybr i d St y l e Di amonds: 50 or 100.

( 3) Resi n Bonded, Phenol i c Di amonds: 100, 200, 400, 800, 1500, and 3000 ( i f necessar y) .

PART 3 EXECUTI ON

3. 1 EXAMI NATI ON

Exami ne subst r at e wi t h i nst al l er pr esent f or condi t i ons af f ect i ng per f or mance of f i ni sh. Cor r ect condi t i ons det r i ment al t o t i mel y and pr oper wor k. Not i f y t he Owner ' s Repr esent at i ve i n wr i t i ng of condi t i ons det r i ment al t o t he pr oper and t i mel y compl et i on of t he wor k. Do not begi n i nst al l at i on unt i l al l unsat i sf act or y condi t i ons ar e r esol ved. Begi nni ng wor k const i t ut es accept ance of s i t e condi t i ons and r esponsi bi l i t y f or def ect i ve i nst al l at i on caused by pr i or obser vabl e condi t i ons.

3. 2 PREPARATI ON

Cl ean di r t , dust , oi l , gr ease and ot her cont ami nant s t hat i nt er f er e wi t h penet r at i on or per f or mance of speci f i ed pr oduct f r om sur f aces. Use appr opr i at e concr et e c l eaner s appr oved by t he concr et e sur f ace t r eat ment manuf act ur er wher e necessar y. Ri nse t hor oughl y usi ng pr essur e wat er spr ay t o r emove cl eaner r esi dues. Al l ow sur f aces t o dr y compl et el y bef or e appl i cat i on of pr oduct . Repai r , pat ch and f i l l cr acks, voi ds, def ect s and damaged ar eas i n sur f ace as appr oved by t he Ar chi t ect . Al l ow r epai r mat er i al s t o cur e compl et el y bef or e appl i cat i on of pr oduct . Var i at i ons i n subst r at e t ext ur e and col or wi l l af f ect f i nal appear ance and shoul d be cor r ect ed pr i or t o appl i cat i on of seal er / har dener syst em and t he pol i shi ng st eps. Pr ot ect sur r oundi ng ar eas pr i or t o appl i cat i on. I f pr oduct i s acci dent al l y mi sappl i ed t o adj acent sur f aces, f l ush wi t h wat er i mmedi at el y

92654Bldg150 SECTI ON 03 35 43 Page 6 bef or e mat er i al dr i es. Avoi d cont act i n ar eas not t o be t r eat ed. Avoi d cont act wi t h met al , gl ass, and pai nt ed sur f aces. Seal open j oi nt s i n accor dance wi t h Sect i on 07 90 00. Appl y speci f i ed seal ant s and caul k i ng and al l ow compl et e cur i ng bef or e appl i cat i on of penet r at i ng concr et e har dener / densi f i er . Do not pr oceed unt i l unsat i sf act or y condi t i ons have been cor r ect ed.

3. 3 CONCRETE GRI NDI NG, HONI NG, AND POLI SHI NG

Adher e t o i ndust r y st andar d gr i ndi ng, honi ng, and pol i shi ng pr ocedur es f or dr y and wet gr i ndi ng and honi ng. Scr ub and r i nse s l ab sur f ace wi t h c l ean wat er and vacuum wi t h aut o- scr ubber bet ween and af t er f i nal passes.

Sequent i al pr ogr essi on of di amond t ool i ng st eps shal l be r equi r ed and l i mi t ed t o no mor e t han doubl e t he gr i t val ue of t he pr evi ous di amonds used. Over l ap adj acent passes by 25 per cent . Per f or m each pass per pendi cul ar t o t he ot her pass nor t h/ sout h t hen east / west ; mul t i pl e passes may be needed. Pr ogr essi vel y gr i nd, hone, and pol i sh t he s l ab sur f ace ut i l i z i ng appr oved di amond segment s as necessar y t o pr oduce Fi ni shi ng Requirements.

a. Appl y l i qui d concr et e r epai r mat er i al t o f i l l gaps, voi ds, and pop- out s dur i ng gr i ndi ng oper at i on per manuf act ur er ' s publ i shed r ecommendat i ons.

b. Appl y cut t i ng ai d chemi cal dur i ng t he i ni t i al wet gr i ndi ng pr ocess per manuf act ur er ' s publ i shed r ecommendat i ons. ( Typi cal l y bef or e t he 200 gr i t r esi n or l ower . )

3. 4 APPLI CATI ON OF PENETRATI NG CONCRETE HARDENER/ DENSI FI ER

Appl y har dener / densi f i er at t he r at e of 500 t o 700 squar e f eet per gal l on wi t h a l ow pr essur e spr ayer f i t t ed wi t h a 0. 5 gpm spr ay t i p. ( Typi cal l y af t er 200- gr i t and no l at er t han 400 gr i t . ) Appl y suf f i c i ent mat er i al t o keep concr et e sur f ace wet f or 5 t o 10 mi nut e per i od, wi t hout pr oduci ng puddl es. Al l ow t r eat ed sur f ace t o dr y. Cont i nue pr ogr essi vel y pol i shi ng f l oor wi t h r equi r ed r esi n di amonds as necessar y t o pr oduce desi r ed f i nal finish.

3. 5 APPLI CATI ON OF I NTERI OR CONCRETE PROTECTI VE TREATMENT

Appl i cat i on of gener al pur pose, medi um gl oss pr ot ect i ve t r eat ment :

a. Appl y per manuf act ur er ' s publ i shed r ecommendat i ons t o c l ean, dr y s l ab at t he compl et i on of mechani cal l y pol i shi ng t he s l ab sur f ace.

b. Li ght l y wet a c l ean mi cr of i ber pad wi t h gener al pur pose, medi um gl oss pr ot ect i ve t r eat ment and wr i ng out excess, l eavi ng t he pad damp.

c. Spr ay- appl y pr ot ect i ve t r eat ment usi ng a c l ean, pump- up spr ayer f i t t ed wi t h a 0. 5 gpm coni cal or f an spr ay t i p at an est i mat ed cover age r at e of 400 t o 800 squar e f eet per gal l on. Wor k f r om one cont r ol j oi nt t o another.

d. Spr ead wi t h t he damp mi cr of i ber pad. Mai nt ai n a t hi n, even coat i ng and wet edge. St op spr eadi ng once dr yi ng begi ns. Do not over l ap. Repeat st eps 1 t hr ough 4. Two coat s ar e r ecommended f or maxi mum pr ot ect i on.

e. To i ncr ease gl oss, wai t at l east 60 mi nut es af t er t he f i nal coat i s appl i ed, t hen use a hi gh- speed bur ni sher f i t t ed wi t h a whi t e pol i shi ng pad. Bur ni sh at a f ast wal k i ng pace.

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3. 6 SLAB PROTECTI ON

Pr ot ect f i ni shed f l oor s t o pr event damage i ncl udi ng st ai ni ng, gouges, and scr at chi ng by const r uct i on t r af f i c and act i v i t i es unt i l possessi on. Do not dr ag or dr op equi pment or mat er i al acr oss t he s l ab whi ch wi l l scr at ch or chi p i t . I nspect t i r es f or debr i s pr i or t o use on s l ab. Remove embedded i t ems whi ch may cause damage t o f l oor s l ab. Cl ean up spi l l s on s l ab i mmedi at el y. Pr ovi de c l eani ng chemi cal s and absor pt i ve mat er i al s. Devel op a concr et e pr ot ect i on pr ocedur e whi ch addr esses t he f ol l owi ng pr ocedur es:

a. Communi cat i on of pr ot ect i on pl an t o Subcont r act or s and vendor s.

b. Pr ocedur es f or c l eani ng up s l ab spi l l s , i ncl udi ng use of and avai l abi l i t y of c l eani ng chemi cal s and absor pt i ve mat er i al s at Si t e.

Pr ovi de a c l ean sl ab sur f ace usi ng concr et e mai nt enance cl eaner wi t hi n an aut o scr ubber , equi pped wi t h sof t nyl on br ushes, i n accor dance wi t h manuf act ur er ' s publ i shed r ecommendat i ons.

3. 7 FI NI SHI NG REQUI REMENTS

Appear ance: I nt er i or exposed f i ni shed sl ab ar eas must consi st of t he following:

a. Sl ab sur f ace must meet t he desi r ed sheen, as di scussed i n Pr e- I nst al l at i on meet i ng and be consi st ent wi t h appr oved Mock- up.

b. Sl ab sur f ace must have a consi st ent l ook and exhi bi t a f i ni sh t hat has no evi dence of s t r eaki ng or bur ni sh mar ks.

c. Whi t e r esi due or hazy appear ance i s not accept abl e.

d. Exposur e of aggr egat e beyond CPAA Cl ass B- Fi ne Aggr egat e i s not acceptable.

( 1) I nt er i or exposed f i ni shed sl ab ar eas must consi st of t he f ol l owi ng CPAA Gl oss Level :

( a) Fi ni shed Gl oss Level 2 - Sat i n Gl oss Appear ance.

3. 8 MAI NTENANCE REQUI REMENTS

Fl oor Cl eaner : Pr oduct : Consol i deck LSKl ean, manuf act ur ed by PROSOCO, I nc. or equal .

- - End of Sect i on - -

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