09_97_02.pdf

Gr een Br ook, Segment C- 1

AMENDMENT # 3

SECTI ON 09 97 02

PAI NTI NG: HYDRAULI C STRUCTURES

PART 1 GENERAL

1. 1 SCOPE

The wor k cover ed by t hi s sect i on consi st s of f ur ni shi ng al l pl ant , l abor , mat er i al s, and per f or mi ng al l oper at i ons i n connect i on wi t h t he pr epar at i on of sur f aces and appl i cat i on of speci f i ed mat er i al s or coat i ngs. Thi s wor k shal l be accompl i shed i n compl et e and st r i c t accor dance wi t h t he speci f i cat i ons. Concr et e col or f or t he wi ng wal l s and cul ver t shal l be i n accor dance wi t h t hi s speci f i cat i on and Section 03 11 13. 00 10 STRUCTURAL CAST- I N- PLACE CONCRETE FORMI NG. Sect i on 03 31 01. 00 10 CAST- I N- PLACE

STRUCTURAL CONCRETE FOR THE CONCRETE BRI DGE CULVERT.

1. 2 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 D7091 ( 2013) St andar d Pr act i ce f or Nondest r uct i ve Measur ement of Dr y Fi l m Thi ckness of Nonmagnet i c Coat i ngs Appl i ed t o Fer r ous Met al s and Nonmagnet i c , Nonconduct i ve Coat i ngs Appl i ed t o Non- Fer r ous Met al s

I NTERNATI ONAL CONCRETE REPAI R I NSTI TUTE ( I CRI )

I CRI 310. 2R ( 2013) Sel ect i ng and Speci f y i ng Concr et e Sur f ace Pr epar at i on f or Seal er s, Coat i ngs, Pol ymer Over l ays, and Concr et e Repai r

I NTERNATI ONAL SAFETY EQUI PMENT ASSOCI ATI ON ( I SEA)

ANSI / I SEA Z358. 1 ( 2014) Amer i can Nat i onal St andar d f or Emer gency Eyewash and Shower Equi pment

ANSI / I SEA Z87. 1 ( 2015) Amer i can Nat i onal St andar d f or Occupat i onal and Educat i onal Per sonal Eye and Face Pr ot ect i on Devi ces

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 70 ( 2017) Nat i onal El ect r i cal Code

NATI ONAL I NSTI TUTE FOR OCCUPATI ONAL SAFETY AND HEALTH ( NI OSH)

NI OSH 2003- 154 ( 2003; 4t h Ed; Suppl e 3) NI OSH Manual of Anal yt i cal Met hods

SECTI ON 09 97 02 Page 1

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC 7/ NACE No. 4 ( 2007; E 2004) Br ush- Of f Bl ast Cl eani ng

SSPC Pai nt 16 ( 2006; R 2015; E 2015) Coal Tar Epoxy- Pol yami de Bl ack ( or Dar k Red) Pai nt

SSPC SP 1 ( 2015) Sol vent Cl eani ng

SSPC SP 3 ( 1982; E 2004) Power Tool Cl eani ng

U. S. ARMY CORPS OF ENGI NEERS ( USACE)

EM 385- 1- 1 ( 2014) Saf et y and Heal t h Requi r ement s Manual

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

29 CFR 1910 Occupat i onal Saf et y and Heal t h St andar ds

29 CFR 1910. 134 Respi r at or y Pr ot ect i on

29 CFR 1910. 146 Per mi t - r equi r ed Conf i ned Spaces

29 CFR 1910. 20 Access t o Empl oyee Exposur e and Medi cal Records

29 CFR 1910. 94 Ventilation

29 CFR 1926. 62 Lead

40 CFR 261 I dent i f i cat i on and Li st i ng of Hazar dous Waste

40 CFR 262 St andar ds Appl i cabl e t o Gener at or s of Hazar dous Wast e

1. 3 SAFETY, HEALTH, AND ENVI RONMENTAL REQUI REMENTS

Per f or m wor k i n accor dance wi t h al l appl i cabl e heal t h, saf et y, and envi r onment al r equi r ement s as wel l as EM 385- 1- 1. Submi t mat t er s of i nt er pr et at i on of t hese r equi r ement s t o t he Cont r act i ng Of f i cer f or r esol ut i on bef or e st ar t i ng wor k. I f no c l ar i f i cat i ons ar e sought , t hen t he submi t t al i s not necessar y. Wher e t he r egul at i ons conf l i c t , t he most st r i ngent r equi r ement s shal l appl y. Thi s par agr aph suppl ement s t he heal t h, saf et y, and envi r onment al r equi r ement s of EM 385- 1- 1.

1. 3. 1 Safety

Submi t a Saf et y Pl an i n accor dance wi t h t he r equi r ement s of Sect i on 01 of EM 385- 1- 1, i ncl udi ng, but not l i mi t ed t o, each of t he t opi c ar eas l i s t ed i n Appendi x A t her ei n and t he speci f i ed r equi r ement s. Devel op each t opi c i n a conci se manner t o i ncl ude management and oper at i onal aspect s.

1. 3. 1. 1 Abr asi ve Bl ast i ng

For abr asi ve bl ast i ng compl y wi t h t he r equi r ement s i n Sect i on 06. I of EM 385- 1- 1. I n addi t i on t o t he r equi r ement s i n Sect i on 20 of EM 385- 1- 1, use hoses and hose connect i ons of a t ype t o pr event shock f r om st at i c

SECTI ON 09 97 02 Page 2 el ect r i c i t y. Hose l engt hs shal l be j oi ned t oget her by appr oved coupl i ngs of a mat er i al and t ype desi gned t o pr event er osi on and weakeni ng of t he coupl i ngs. The coupl i ngs and nozzl e at t achment s shal l f i t on t he out s i de of t he hose and desi gned t o pr event acci dent al di sengagement .

1. 3. 1. 2 Wor ker s Ot her Than Bl ast er s

Pr ot ect wor ker s, ot her t han bl ast i ng oper at or s wor ki ng i n c l ose pr oxi mi t y t o abr asi ve bl ast i ng oper at i ons, by ut i l i z i ng MSHA/ NI OSH- appr oved hal f - f ace or f ul l - f ace ai r pur i f y i ng r espi r at or s equi pped wi t h hi gh- ef f i c i ency par t i cul at e ai r ( HEPA) f i l t er s, eye pr ot ect i on meet i ng or exceedi ng ANSI / I SEA Z87. 1 and hear i ng pr ot ect or s ( ear pl ugs and/ or ear muf f s) pr ovi di ng a noi se r educt i on r at i ng of at l east 20 dBA or as needed t o pr ovi de adequat e pr ot ect i on. Per sonal pr ot ect i ve equi pment shal l be pr ovi ded wher e r equi r ed by 29 CFR 1910. 146 and i n accor dance wi t h 29 CFR 1910, Subpar t I .

1. 3. 1. 3 Cl eani ng Bef or e and Af t er Abr asi ve Bl ast i ng

Cl eani ng wi t h compr essed ai r shal l be i n accor dance wi t h Sect i on 20. B. 5 of EM 385- 1- 1 and per sonnel shal l be pr ot ect ed as speci f i ed i n 29 CFR 1910. 134.

When cl eani ng wi t h sol vent s, pr ovi de vent i l at i on wher e r equi r ed by 29 CFR 1910. 146 or wher e t he concent r at i on of sol vent vapor s exceeds 10 per cent of t he Lower Expl osi ve Li mi t ( LEL) . Vent i l at i on shal l be i n accor dance wi t h 29 CFR 1910. 94, par agr aph ( c) ( 5) .

1. 3. 1. 4 Pai nt Mi x i ng

Local exhaust vent i l at i on shal l be pr ovi ded i n t he ar ea wher e coat i ngs ar e mi xed. Thi s vent i l at i on syst em shal l be capabl e of pr ovi di ng at l east 100 l i near f pm of capt ur e vel oci t y i n t he mi xi ng zone. Exposur e of ski n and eyes shal l be avoi ded by wear i ng appr opr i at e chemi cal l y r esi st ant gl oves, apr on, saf et y goggl es, and f ace shi el ds meet i ng or exceedi ng t he r equi r ement s of ANSI / I SEA Z87. 1. A combi nat i on uni t , compr i sed of an eyewash and del uge shower , wi t hi n c l ose pr oxi mi t y t o t he mi xi ng oper at i on shal l be pr ovi ded i n accor dance wi t h ANSI / I SEA Z358. 1, par agr aph ( 9) .

I ndi v i dual s who have a hi st or y of , or devel op a sensi t i v i t y t o epoxy or pol yur et hane r esi n syst ems, shal l not conduct wor k t asks or ot her wi se be exposed t o such chemi cal s

1. 3. 1. 5 Pai nt Spr ayi ng

Submi t a compr ehensi ve wr i t t en Respi r at or y Pr ot ect i on Pl an i n accor dance with 29 CFR 1910. 134, 29 CFR 1926. 62, and Sect i on 05. G of EM 385- 1- 1.

Dur i ng al l spr ay pai nt i ng oper at i ons, spr ay pai nt er s shal l use appr oved SCBA or SAR ( ai r l i ne) r espi r at or s, unl ess val i d ai r sampl i ng has demonst r at ed cont ami nant l evel s t o be consi st ent l y wi t hi n concent r at i ons t hat ar e compat i bl e wi t h ai r - pur i f y i ng r espi r at or Assi gned Pr ot ect i on Fact or ( APF) . Per sons wi t h f aci al hai r t hat i nt er f er es wi t h t he seal i ng sur f ace of t he f acepi ece t o f ace seal or i nt er f er es wi t h r espi r at or val ve f unct i on shal l not be al l owed t o per f or m wor k r equi r i ng r espi r at or y pr ot ect i on. Ai r - pur i f y i ng chemi cal car t r i dge/ cani st er hal f - or f ul l - f acepi ece r espi r at or s t hat have a par t i cul at e pr ef i l t er and ar e sui t abl e f or t he speci f i c t ype( s) of gas/ vapor and par t i cul at e cont ami nant ( s) may be used f or nonconf i ned space pai nt i ng, mi x i ng, and cl eani ng ( usi ng sol vent s) . These r espi r at or s may be used pr ovi ded t he measur ed or ant i c i pat ed concent r at i on of t he cont ami nant ( s) i n t he br eat hi ng zone of t he exposed wor ker does not exceed t he APF f or t he r espi r at or and t he gas/ vapor has good war ni ng pr oper t i es or t he r espi r at or

SECTI ON 09 97 02 Page 3 assembl y i s equi pped wi t h a NI OSH- appr oved end of ser vi ce l i f e i ndi cat or f or t he gas( es) / vapor ant i c i pat ed or encount er ed. Wher e pai nt cont ai ns t oxi c el ement s t hat may become ai r bor ne dur i ng pai nt i ng i n nonconf i ned spaces, ai r - pur i f y i ng hal f - and f ul l - f acepi ece r espi r at or s or power ed ai r - pur i f y i ng r espi r at or s equi pped wi t h appr opr i at e gas vapor car t r i dges, i n combi nat i on wi t h a hi gh- ef f i c i ency f i l t er , or an appr opr i at e cani st er i ncor por at i ng a hi gh- ef f i c i ency f i l t er , shal l be used.

1. 3. 1. 6 Expl osi on Pr oof Equi pment

El ect r i cal wi r i ng, l i ght s, and ot her equi pment l ocat ed i n t he pai nt spr ayi ng ar ea shal l be of t he expl osi on pr oof t ype desi gned f or oper at i on i n Cl ass I , Di v i s i on 1, Gr oup D, hazar dous l ocat i ons as r equi r ed by t he NFPA 70. El ect r i cal wi r i ng, mot or s, and ot her equi pment , out s i de of but within 20 f eet of any spr ayi ng ar ea, shal l not spar k and shal l conf or m t o t he pr ovi s i ons f or Cl ass I , Di v i s i on 2, Gr oup D, hazar dous l ocat i ons.

El ect r i c mot or s used t o dr i ve exhaust f ans shal l not be pl aced i nsi de spr ayi ng ar eas or duct s. Fan bl ades and por t abl e ai r duct s shal l be const r uct ed of nonf er r ous mat er i al s. Mot or s and associ at ed cont r ol equi pment shal l be pr oper l y mai nt ai ned and gr ounded. The met al l i c par t s of ai r - movi ng devi ces, spr ay guns, connect i ng t ubi ng, and duct wor k shal l be el ect r i cal l y bonded and t he bonded assembl y shal l be gr ounded.

1. 3. 1. 7 Fur t her Pr ecaut i ons

a. Wor ker s must wear nonspar ki ng saf et y shoes.

b. Pl ace and gr ound sol vent dr ums, t aken i nt o t he spr ayi ng ar ea, on nonf er r ous sur f aces. Mai nt ai n met al l i c bondi ng bet ween cont ai ner s and dr ums when mat er i al s ar e bei ng t r ansf er r ed.

c. I nspect i nsul at i on on al l power and l i ght i ng cabl es t o ensur e t hat t he i nsul at i on i s i n excel l ent wor ki ng condi t i on and i s f r ee of al l cr acks and wor n spot s. Cabl es shal l be f ur t her i nspect ed t o ensur e t hat no connect i ons ar e wi t hi n 50 f eet of t he oper at i on, t hat l i nes ar e not over l oaded, and t hat t hey ar e suspended wi t h suf f i c i ent s l ack t o pr event undue st r ess or chaf i ng.

1. 3. 1. 8 I gni t i on Sour ces

I gni t i on sour ces, t o i ncl ude l i ght ed c i gar et t es, c i gar s, pi pes, mat ches, or c i gar et t e l i ght er s shal l be pr ohi bi t ed i n ar ea of sol vent c l eani ng, pai nt st or age, pai nt mi x i ng, or pai nt appl i cat i on.

1. 3. 2 Health

Pr epar e and submi t a Medi cal Sur vei l l ance Pl an and a st at ement f r om t he exami ni ng physi c i an i ndi cat i ng t he name of each empl oyee eval uat ed and any l i mi t at i ons whi ch wi l l pr ecl ude t he empl oyee f r om per f or mi ng t he wor k r equi r ed. The st at ement shal l i ncl ude t he dat e of t he medi cal eval uat i on, t he physi c i an' s name, s i gnat ur e, and t el ephone number . .

1. 3. 2. 1 Ai r Moni t or i ng

Pr epar e and submi t an Ai r Moni t or i ng Test Pl an. Per f or m ai r sampl i ng and t est i ng as needed t o assur e t hat wor ker s ar e not exposed t o cont ami nant s above t he per mi ssi bl e exposur e l i mi t . I n addi t i on, pr ovi de t he Cont r act i ng Of f i cer wi t h a copy of t he Ai r Moni t or i ng Test Repor t f r om t he l abor at or y wi t hi n f i ve wor ki ng days of t he sampl i ng dat e, i nc l udi ng r ecor ds of ai r

SECTI ON 09 97 02 Page 4 moni t or i ng pl ans and t est s per f or med. Submi t r epor t s as soon as i nf or mat i on i s avai l abl e. Al so pr ovi de r esul t s f r om di r ect - r eadi ng i nst r ument at i on on t he same day t he sampl es ar e col l ect ed. Pr epar e and submi t an Ai r bor ne Sampl i ng Pl an det ai l i ng t he NI OSH 2003- 154, Fact or y Mut ual , or Under wr i t er s Labor at or i es appr oved equi pment , equi pment cal i br at i on pr ocedur es, sampl i ng met hods, sampl i ng t o be per f or med, and anal yt i cal pr ocedur es t o be used based on t he t ype of wor k t o be per f or med and ant i c i pat ed t oxi c cont ami nant s t o be gener at ed. I ncl ude t he name of t he accr edi t ed l abor at or y, l i s t ed by t he Amer i can I ndust r i al Hygi ene Associ at i on ( AI HA) , t o be used t o conduct t he anal ysi s of any col l ect ed ai r samples.

1. 3. 2. 2 Medi cal St at us

Pr i or t o t he st ar t of wor k, and annual l y t her eaf t er , submi t a Medical St at us Repor t i ncl udi ng r ecor ds of medi cal t est s. Medi cal l y eval uat e al l Cont r act or empl oyees wor ki ng wi t h or ar ound pai nt syst ems, t hi nner s, bl ast medi a, t hose r equi r ed t o wear r espi r at or y pr ot ect i ve equi pment , and t hose who wi l l be exposed t o hi gh noi se l evel s f or t he par t i cul ar t ype of exposur e t hey may encount er . Mai nt ai n medi cal r ecor ds as r equi r ed by 29 CFR 1910. 20. The eval uat i on shal l i ncl ude:

a. Audi omet r i c t est i ng and eval uat i on of empl oyees who wi l l wor k i n a noi se envi r onment wi t h a t i me wei ght ed aver age gr eat er t han or equal t o 90 dBA.

b. Vi s i on scr eeni ng ( empl oyees who use f ul l - f acepi ece r espi r at or s shal l not wear cont act l enses) .

c. Medi cal eval uat i on shal l i ncl ude, but shal l not be l i mi t ed t o, t he following:

( 1) Medi cal hi s t or y i ncl udi ng, but not l i mi t ed t o, al cohol use, wi t h emphasi s on l i ver , k i dney, and pul monar y syst ems, and sensi t i v i t y t o chemi cal s t o be used on t he j ob.

( 2) Gener al physi cal exami nat i on wi t h emphasi s on l i ver , k i dney, and pul monar y syst em.

( 3) Det er mi nat i on of t he empl oyee' s physi cal and psychol ogi cal abi l i t y t o wear r espi r at or y pr ot ect i ve equi pment and t o per f or m j ob- r el at ed t asks.

( 4) Det er mi nat i on of basel i ne val ues of bi ol ogi cal i ndi ces f or l at er compar i son t o changes associ at ed wi t h exposur e t o pai nt syst ems and t hi nner s or bl ast medi a, whi ch i ncl ude: l i ver f unct i on t est s t o i ncl ude SGOT, SGPT, GGPT, al kal i ne phosphat es, bi l i r ubi n, compl et e ur i nal ysi s, EKG ( empl oyees over age 40) , bl ood ur ea ni t r ogen ( bun) , ser um cr eat i ni ne, pul monar y f unct i on t est , FVC, and FEV, chest x- r ay ( i f medi cal l y i ndi cat ed) , bl ood l ead and ZPP ( f or i ndi v i dual s wher e i t i s known t her e wi l l be an exposur e t o mat er i al s cont ai ni ng l ead) , ot her cr i t er i a t hat may be deemed necessar y by t he Cont r act or ' s physi c i an, and Physi c i an' s st at ement s f or i ndi v i dual empl oyees t hat medi cal s t at us woul d per mi t speci f i c t ask per f or mance.

1. 3. 2. 3 Change i n Medi cal St at us

Any empl oyee whose medi cal st at us has changed negat i vel y due t o wor k

SECTI ON 09 97 02 Page 5 r el at ed chemi cal and/ or physi cal agent exposur e whi l e wor ki ng wi t h or ar ound pai nt syst ems and t hi nner s, bl ast medi a, or ot her chemi cal s shal l be eval uat ed by a physi c i an, and obt ai n a physi c i ans st at ement as descr i bed i n par agr aph MEDI CAL STATUS pr i or t o al l owi ng t he empl oyee t o r et ur n t o t hose wor k t asks. Submi t a Change i n Medi cal St at us Repor t det ai l i ng any negat i ve changes i n empl oyee medi cal st at us and t he r esul t s of t he physi c i ans r eeval uat i on st at ement .

1. 3. 3 Envi r onment al Pr ot ect i on

Compl y wi t h t he r equi r ement s of t he Envi r onment al Pr ot ect i on Pl an as r equi r ed by Sect i on 01 57 19 TEMPORARY ENVI RONMENTAL CONTROLS.

1. 3. 3. 1 Wast e Cl assi f i cat i on, Handl i ng, and Di sposal

Pr epar e and submi t a Wast e Di sposal Pl an i n accor dance wi t h t he r equi r ement s of 40 CFR 261 and 40 CFR 262 i ncl udi ng c l assi f i cat i on and handl i ng. The Cont r act or i s r esponsi bl e f or assur i ng t he pr oper di sposal of al l hazar dous and nonhazar dous wast e gener at ed dur i ng t he pr oj ect .

St or e nonhazar dous wast e i n c l osed cont ai ner s separ at e f r om hazar dous wast e st or age ar eas. Tr anspor t al l nonhazar dous wast e i n accor dance wi t h l ocal r egul at i ons r egar di ng wast e t r anspor t at i on.

1. 4 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 SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

Saf et y Pl an; G Respi r at or y Pr ot ect i on Pl an; G, RO Ai r bor ne Sampl i ng Pl an; G, RO Medi cal Sur vei l l ance Pl an; G Wast e Di sposal Pl an; G, RO Ai r Moni t or i ng Test Pl an; G

SD- 03 Pr oduct Dat a

Pr oduct Dat a Sheet ; G

SD- 04 Sampl es

Pai nt , Thi nner , and Sol vent Pr oduct s; G

SD- 06 Test Repor t s

I nspect i on Repor t s Medi cal St at us Repor t Change i n Medi cal St at us Repor t Ai r Moni t or i ng Test Repor t

SD- 07 Cer t i f i cat es

Cer t i f i ed EHS Pr of essi onal Coat i ng Thi ckness Gage Qual i f i cat i on

SECTI ON 09 97 02 Page 6

1. 5 QUALIFICATIONS

Qual i f i cat i ons and exper i ence shal l compl y wi t h t he f ol l owi ng.

1. 5. 1 Cer t i f i ed Envi r onment al , Heal t h, and Saf et y ( EHS) Pr of essi onal s

Pr ovi de a cer t i f i cat e f or each Cer t i f i ed EHS Pr of essi onal ; submi t qual i f i cat i ons and exper i ence of qual i f i ed and compet ent per sons empl oyed t o pr ovi de pr econst r uct i on and onsi t e envi r onment al , saf et y, and heal t h ser vi ces. Obt ai n accept ance of t hi s submi ssi on pr i or t o t he submi ssi on of ot her r equi r ed envi r onment al , saf et y, and heal t h submi t t al i t ems. Ut i l i ze a qual i f i ed and compet ent per son as def i ned i n Sect i on 01 of EM 385- 1- 1 t o devel op t he r equi r ed saf et y and heal t h submi t t al and t o pr ovi de onsi t e saf et y and heal t h ser vi ces dur i ng t he cont r act per i od. The per son shal l be a Cer t i f i ed I ndust r i al Hygi eni st ( CI H) , an I ndust r i al Hygi eni st ( I H) , or a Cer t i f i ed Saf et y Pr of essi onal ( CSP) wi t h a mi ni mum of 3 year s of demonst r at ed exper i ence i n s i mi l ar r el at ed wor k. The CI H, I H, or CSP may ut i l i ze ot her qual i f i ed and compet ent per sons, as def i ned i n EM 385- 1- 1, t o conduct on- si t e saf et y and heal t h act i v i t i es as l ong as t hese per sons have a mi ni mum of 2 year s of demonst r at ed exper i ence i n s i mi l ar r el at ed wor k and ar e under t he di r ect super vi s i on of t he CI H, I H, or CSP. For l ead cont ai ni ng j obsi t es, t he compet ent and qual i f i ed per son shal l have successf ul l y compl et ed an EPA or st at e accr edi t ed l ead- based pai nt abat ement Super v i sor cour se speci f i c t o t he wor k t o be per f or med and shal l possess cur r ent and val i d st at e and/ or l ocal gover nment cer t i f i cat i on, as required.

1. 5. 2 Coat i ng Thi ckness Gage Qual i f i cat i on

Submit Coat i ng Thi ckness Gage Qual i f i cat i on document at i on of manuf act ur er ' s cer t i f i cat i on f or al l coat i ng t hi ckness gages. Magnet i c f l ux t hi ckness gages as descr i bed i n ASTM D7091 shal l be used t o make al l coat i ng t hi ckness measur ement s on f er r ous met al subst r at es. Gages shal l have an accur acy of +/ - 3 per cent or bet t er . Gages t o be used on t he j ob shal l be cer t i f i ed by t he manuf act ur er as meet i ng t hese r equi r ement s.

1. 6 DELI VERY, STORAGE, AND HANDLI NG

Pr ocess and package pai nt s t o ensur e t hat wi t hi n a per i od of one year f r om dat e of manuf act ur e, t hey wi l l not gel , l i ver , or t hi cken del et er i ousl y, or f or m gas i n t he c l osed cont ai ner . Pai nt s, unl ess ot her wi se speci f i ed or per mi t t ed, shal l be packaged i n st andar d cont ai ner s not l ar ger t han 5 gal , wi t h r emovabl e f r i c t i on or l ug- t ype cover s. Each cont ai ner of pai nt or separ at el y packaged component t her eof shal l be l abel ed t o i ndi cat e t he pur chaser ' s or der number , dat e of manuf act ur e, manuf act ur er ' s bat ch number , quant i t y, col or , component i dent i f i cat i on and desi gnat ed name, and f or mul a or speci f i cat i on number of t he pai nt t oget her wi t h speci al l abel i ng i nst r uct i ons, when speci f i ed. Pai nt shal l be del i ver ed t o t he j ob i n unbr oken cont ai ner s. Pai nt s t hat can be har med by exposur e t o col d weat her shal l be st or ed i n vent i l at ed, heat ed shel t er s. Al l pai nt s shal l be st or ed under cover f r om t he el ement s and i n l ocat i ons f r ee f r om spar ks and f l ames.

1. 7 AMBI ENT CONDI TI ONS

Pai nt shal l be appl i ed onl y t o sur f aces t hat ar e above t he dew poi nt t emper at ur e and t hat ar e compl et el y f r ee of moi st ur e as det er mi ned by s i ght and t ouch. Pai nt shal l not be appl i ed t o sur f aces upon whi ch t her e i s det ect abl e f r ost or i ce. Except as ot her wi se speci f i ed, t he t emper at ur e of

SECTI ON 09 97 02 Page 7 t he sur f aces t o be pai nt ed and of ai r i n cont act t her ewi t h shal l be not l ess t han 45 degr ees F dur i ng pai nt appl i cat i on nor shal l pai nt be appl i ed i f t he sur f aces can be expect ed t o dr op t o 32 degr ees F or l ower bef or e t he f i l m has dr i ed t o a r easonabl y f i r m condi t i on. Dur i ng per i ods of i ncl ement weat her , pai nt i ng may be cont i nued by encl osi ng t he sur f aces and appl y i ng ar t i f i c i al heat , pr ovi ded t he mi ni mum t emper at ur es and sur f ace dr yness r equi r ement s pr escr i bed pr evi ousl y ar e mai nt ai ned. Pai nt shal l not be appl i ed t o sur f aces heat ed by di r ect sunl i ght or ot her sour ces t o t emper at ur es t hat wi l l cause det r i ment al bl i s t er i ng, pi nhol i ng, or por osi t y of t he f i l m.

PART 2 PRODUCTS

2. 1 PAI NT, THI NNER, and SOLVENT PRODUCTS

Sampl es of each bat ch of mat er i al shal l be submi t t ed t o t he Gover nment f or testing.

2. 2 PRODUCT DATA SHEET

Submi t Manuf act ur er ' s Pr oduct Dat a Sheet f or each t ype of pai nt / coat i ng used; f or pr oduct s t hat ar e speci f i ed t o be appl i ed i n accor dance wi t h t he manuf act ur er ' s r ecommendat i ons, submi t t he pai nt manuf act ur er ' s pr oduct dat a sheet or ot her wr i t t en i nst r uct i ons f or t hose pr oduct s. Submi t sampl es of al l speci al pai nt f or mul a, Mi l i t ar y, Mast er Pai nt er I nst i t ut e, and SSPC pai nt s and sampl es of sol vent s or t hi nner s used t o r educe t he v i scosi t y of t he pai nt . Al l ow at l east 30 days f or sampl i ng and t est i ng of sampl es of pai nt s and t hi nner s. Sampl i ng may be at t he j obsi t e or sour ce of suppl y. Not i f y t he Cont r act i ng Of f i cer when t he pai nt and t hi nner ar e avai l abl e f or sampl i ng. Sampl i ng of each bat ch wi l l be wi t nessed by t he Cont r act i ng Of f i cer unl ess ot her wi se speci f i ed or di r ect ed. Submi t a 1- quar t sampl e of pai nt and t hi nner f or each bat ch pr oposed f or use. The sampl e shal l be l abel ed t o i ndi cat e f or mul a or speci f i cat i on number and nomencl at ur e, bat ch number , bat ch quant i t y, col or , dat e made, and appl i cabl e pr oj ect cont r act number . Test i ng wi l l be per f or med by t he Gover nment . Cost s f or r et est i ng r ej ect ed mat er i al wi l l be t he r esponsi bi l i t y of t he Cont r act or .

2. 3 SPECI AL PAI NT FORMULAS

Speci al pai nt s shal l have t he composi t i on as i ndi cat ed i n t he f or mul as l i s t ed her ei n. Wher e so speci f i ed, cer t ai n component s of a pai nt f or mul at i on shal l be packaged i n separ at e cont ai ner s f or mi xi ng on t he j ob. I f not speci f i ed or ot her wi se pr escr i bed, t he col or shal l be t hat nat ur al l y obt ai ned f r om t he r equi r ed pi gment at i on.

2. 4 PAI NT FORMULATI ONS

Speci al pai nt f or mul as shal l compl y wi t h t he f ol l owi ng:

2. 4. 1 For mul a C- 200a, Coal Tar - Epoxy ( Bl ack) Pai nt

The pai nt shal l conf or m t o SSPC Pai nt 16 manuf act ur ed wi t h Type 1 pi t ch.

I n addi t i on t o st andar d l abel i ng, cont ai ner l abel s shal l i ncl ude t he t er m, Cor ps of Engi neer s For mul a C- 200a.

SECTI ON 09 97 02 Page 8

2. 4. 2 Concr et e cul ver t and wi ngwal l Pai nt

2. 4. 2. 1 Col or Coat s

Wi ngwal l and cul ver t concr et e col or shal l be f or mul at ed f or use i n new concrete. The concr et e col or shal l be achi eved by means of a concr et e col or i ng admi xt ur e i nt egr al l y appl i ed t o t he concr et e as speci f i ed on Section 03 31 01. 00 10 CAST- I N- PLACE STRUCTURAL CONCRETE FOR THE CONCRETE BRI DGE CULVERT. Two compl ement ar y col or s, mat chi ng t he col or of t he exi st i ng f l oodwal l s, shal l be submi t t ed f or appr oval t o t he cont r act i ng of f i cer r epr esent at i ve. The manuf act ur er shal l cer t i f y t hat t he col or i s compat i bl e wi t h t he ant i - gr af f i t i t op coat .

Sel ect ed col or s shal l be achei ved as descr i bed i n SECTI ON 03 11 13. 00 10.

The Cont r act or shal l not pr oceed wi t h col or i ng t he wi ngwal l s unt i l r ecei v i ng appr oval f r om t he Cont r act i ng Of f i cer ' s r epr esent at i ve.

2. 4. 2. 2 Ant i - Gr af f i t i Coat s

Ant i - gr af f i t i coat s t o be appl i ed over t he col or coat s shal l be a c l ear coat i ng f or mul at ed t o pr ovi de chemi cal and abr asi on r esi st ance t o al l ow r epeat ed r emoval of gr af f i t i wi t h sol vent s and cl eani ng agent s. Two coat s ar e r equi r ed. The coat s may be i dent i cal f or mul at i ons or may consi st of an under coat and t op coat . The manuf act ur er shal l cer t i f y t hat t he ant i - gr af f i t i coat s ar e compat i bl e wi t h t he under l y i ng col or coat s.

PART 3 EXECUTI ON

3. 1 CLEANI NG AND PREPARATI ON OF SURFACES TO BE PAI NTED

3. 1. 1 Gener al Requi r ement s

Cl ean sur f aces t o be pai nt ed bef or e appl y i ng pai nt or sur f ace t r eat ment s.

Remove deposi t s of gr ease or oi l i n accor dance wi t h SSPC SP 1, pr i or t o mechani cal c l eani ng. Sol vent c l eani ng shal l be accompl i shed wi t h mi ner al spi r i t s or ot her l ow t oxi c i t y sol vent s havi ng a f l ash poi nt above 100 degr ees F. Use cl ean cl ot hs and cl ean f l ui ds t o avoi d l eavi ng a t hi n f i l m of gr easy r esi due on t he sur f aces bei ng c l eaned. Pr ot ect i t ems not t o be pr epar ed or coat ed f r om damage by t he sur f ace pr epar at i on met hods.

Machi ner y shal l be pr ot ect ed agai nst ent r y of bl ast abr asi ve and dust i nt o wor ki ng par t s. Cl eani ng and pai nt i ng shal l be so pr ogr ammed t hat dust or ot her cont ami nant s f r om t he c l eani ng pr ocess do not f al l on wet , newl y pai nt ed sur f aces, and sur f aces not i nt ended t o be pai nt ed shal l be sui t abl y pr ot ect ed f r om t he ef f ect s of c l eani ng and pai nt i ng oper at i ons. Wel di ng of , or i n t he v i c i ni t y of , pr evi ousl y pai nt ed sur f aces shal l be conduct ed i n a manner t o pr event wel d spat t er f r om st r i k i ng t he pai nt and t o ot her wi se r educe coat i ng damage t o a mi ni mum; pai nt damaged by wel di ng oper at i ons shal l be r est or ed t o or i gi nal condi t i on. Sur f aces t o be pai nt ed t hat wi l l be i naccessi bl e af t er const r uct i on, er ect i on, or i nst al l at i on oper at i ons ar e compl et ed shal l be pai nt ed bef or e t hey become i naccessi bl e.

3. 1. 2 Fer r ous Sur f aces Subj ect t o At mospher i c Exposur es

Fer r ous sur f aces t hat ar e t o be cont i nuousl y i n ext er i or or i nt er i or at mospher i c exposur e and ot her sur f aces as di r ect ed shal l be c l eaned by means of power t ool s or by dr y bl ast i ng t o t he br ush- of f gr ade. Cl eani ng and pr i mi ng shal l be done i n t he shop unl ess ot her wi se di r ect ed or per mi t t ed. Power t ool c l eani ng shal l conf or m t o t he r equi r ement s of I CRI 310. 2R, SSPC SP 3. Br ush- of f bl ast c l eani ng shal l conf or m t o t he

SECTI ON 09 97 02 Page 9 r equi r ement s of I CRI 310. 2R, SSPC 7/ NACE No. 4. Wel ds and adj oi ni ng sur f aces wi t hi n a f ew i nches t her eof shal l be c l eaned of wel d f l ux, spat t er , and ot her har mf ul deposi t s by bl ast i ng, power i mpact t ool s, power wi r e br ush, or such combi nat i on of t hese and ot her met hods as may be necessar y f or compl et e r emoval of each t ype of deposi t . The combi nat i on of c l eani ng met hods need not i ncl ude bl ast i ng when pr epar at i on of t he over al l sur f aces i s car r i ed out by t he power t ool met hod. However , br ush scr ubbi ng and r i nsi ng wi t h c l ean wat er , af t er mechani cal c l eani ng i s compl et ed, wi l l be r equi r ed unl ess t he l at t er i s car r i ed out wi t h t hor oughness t o r emove al l sol ubl e al kal i ne deposi t s. Wet t i ng of t he sur f aces dur i ng wat er - washi ng oper at i ons shal l be l i mi t ed t o t he wel d ar ea r equi r ed t o be t r eat ed, and such ar eas shal l be dr y bef or e pai nt i ng. Wel ds and adj acent sur f aces c l eaned t hor oughl y by bl ast i ng al one wi l l be consi der ed adequat el y pr epar ed pr ovi ded t hat wel d spat t er not di s l odged by t he bl ast st r eam shal l be r emoved wi t h i mpact or gr i ndi ng t ool s. Al l sur f aces shal l be pr i med as soon as pr act i cabl e af t er c l eani ng and i n al l cases pr i or t o cont ami nat i on or det er i or at i on of t he pr epar ed sur f aces. To t he gr eat est degr ee possi bl e, st eel sur f aces shal l be c l eaned ( and pr i med) pr i or t o l engt hy out door st or age.

3. 2 PAI NT APPLI CATI ON

3. 2. 1 General

The f i ni shed coat i ng shal l be f r ee f r om hol i days, pi nhol es, bubbl es, r uns, dr ops, r i dges, waves, l aps, excessi ve or unsi ght l y br ush mar ks, and var i at i ons i n col or , t ext ur e, and gl oss. Appl i cat i on of i ni t i al or subsequent coat i ngs shal l not commence unt i l t he Cont r act i ng Of f i cer has ver i f i ed t hat at mospher i c condi t i ons and t he sur f aces t o be coat ed ar e sat i sf act or y. Each pai nt coat shal l be appl i ed i n a manner t hat wi l l pr oduce an even, cont i nuous f i l m of uni f or m t hi ckness. Edges, cor ner s, cr evi ces, seams, j oi nt s, wel ds, r i vet s, cor r osi on pi t s, and ot her sur f ace i r r egul ar i t i es shal l r ecei ve speci al at t ent i on t o ensur e t hat t hey r ecei ve an adequat e t hi ckness of pai nt . Spr ay equi pment shal l be equi pped wi t h t r aps and separ at or s and wher e appr opr i at e, mechani cal agi t at or s, pr essur e gauges, pr essur e r egul at or s, and scr eens or f i l t er s. Ai r caps, nozzl es, and needl es shal l be as r ecommended by t he spr ay equi pment manuf act ur er f or t he mat er i al bei ng appl i ed. Ai r l ess- t ype spr ay equi pment may be used onl y on br oad, f l at , or ot her wi se s i mpl y conf i gur ed sur f aces, except t hat i t may be empl oyed f or gener al pai nt i ng i f t he spr ay gun i s equi pped wi t h dual or adj ust abl e t i ps of pr oper t ypes and or i f i ce s i zes. Ai r l ess- t ype equi pment shal l not be used f or t he appl i cat i on of v i nyl pai nt s.

3. 2. 2 Mi x i ng and Thi nni ng

Pai nt s shal l be t hor oughl y mi xed, st r ai ned wher e necessar y, and kept at a uni f or m composi t i on and consi st ency dur i ng appl i cat i on. Dr y- powder pi gment s speci f i ed t o be added at t he t i me of use shal l , wi t h t he ai d of power ed st i r r er s, be i ncor por at ed i nt o t he vehi c l e or base pai nt i n a manner t hat wi l l pr oduce a smoot h, homogeneous mi xt ur e f r ee of l umps and dr y par t i c l es. Wher e necessar y t o sui t condi t i ons of t he sur f ace t emper at ur e, weat her , and met hod of appl i cat i on, t he pai nt may be t hi nned i mmedi at el y pr i or t o use. Thi nni ng shal l gener al l y be l i mi t ed t o t he addi t i on of not mor e t han 1 pi nt per gal of t he pr oper t hi nner ; t hi s gener al l i mi t at i on shal l not appl y when mor e speci f i c t hi nni ng i nst r uct i ons ar e pr ovi ded. Pai nt t hat has been st or ed at l ow t emper at ur e, shal l be br ought up t o at l east 70 degr ees F bef or e bei ng mi xed and t hi nned, and i t s t emper at ur e i n t he spr ay t ank or ot her wor ki ng cont ai ner shal l not f al l below 60 degr ees F dur i ng t he appl i cat i on. Pai nt t hat has det er i or at ed i n

SECTI ON 09 97 02 Page 10 any manner t o a degr ee t hat i t cannot be r est or ed t o essent i al l y i t s or i gi nal condi t i on by cust omar y f i el d- mi xi ng met hods shal l not be used and shal l be r emoved f r om t he pr oj ect s i t e. Pai nt and t hi nner t hat i s mor e t han 1 year ol d shal l be r esampl ed and r esubmi t t ed f or t est i ng t o det er mi ne i t s sui t abi l i t y f or appl i cat i on. Moi st ur e cur e ur et hane pai nt shal l be r esampl ed and r esubmi t t ed f or t est i ng t o det er mi ne i t s sui t abi l i t y f or appl i cat i on whenever t he pai nt i s mor e t han si x mont hs ol d as i ndi cat ed by t he dat e of manuf act ur e on t he cont ai ner .

3. 2. 3 Ti me Bet ween Sur f ace Pr epar at i on and Pai nt i ng

Sur f aces t hat have been cl eaned and/ or ot her wi se pr epar ed f or pai nt i ng shal l be pr i med as soon as pr act i cabl e af t er such pr epar at i on has been compl et ed but , i n any event , pr i or t o any det er i or at i on of t he pr epar ed surface.

3. 2. 4 Met hod of Pai nt Appl i cat i on

Unl ess ot her wi se speci f i ed, pai nt shal l be appl i ed by br ush, r ol l er , or spr ay t o f er r ous met al sur f aces. Speci al at t ent i on shal l be di r ect ed t owar d ensur i ng adequat e cover age of edges, cor ner s, cr evi ces, pi t s , r i vet s, bol t s, wel ds, and si mi l ar sur f ace i r r egul ar i t i es. Ot her met hods of appl i cat i on t o met al sur f aces shal l be subj ect t o t he speci f i c appr oval of t he Cont r act i ng Of f i cer . Pai nt on concr et e or ot her nonmet al l i c sur f aces shal l be appl i ed by br ush, r ol l er , and/ or spr ay as r ecommended by t he pai nt manufacturer.

Met hod of appl i cat i on of t he ant i - gr af f i t i coat i ng syst em t o concr et e shal l be as r ecommended by t he coat i ng manuf act ur er .

3. 2. 5 Cover age and Fi l m Thi ckness

Fi l m t hi ckness or spr eadi ng r at es shal l be as speci f i ed her ei naf t er . Wher e no spr eadi ng r at e i s speci f i ed, t he pai nt shal l be appl i ed at a r at e consi st ent wi t h t he manuf act ur er ' s wr i t t en i nst r uct i ons. I n any event , t he combi ned coat s of a speci f i ed pai nt syst em shal l compl et el y hi de base sur f ace and t he f i ni sh coat s shal l compl et el y hi de under coat s of di ssi mi l ar color.

3. 2. 5. 1 Measur ement on Fer r ous Met al

Wher e dr y f i l m t hi ckness r equi r ement s ar e speci f i ed f or coat i ngs on f er r ous sur f aces, measur ement s shal l be made wi t h a gage qual i f i ed i n accor dance wi t h par agr aph Coat i ng Thi ckness Gage Qual i f i cat i on. They shal l be cal i br at ed and used i n accor dance wi t h ASTM D7091. Pr i or t o each use t he Base Met al Readi ng ( BMR) shal l be est abl i shed f or t he gage as speci f i ed i n t he t est met hod. Accur acy of t he gage shal l be ver i f i ed usi ng pl ast i c shi ms as speci f i ed by t he t est met hod bot h pr i or t o and f ol l owi ng each set of measur ement s. Fr equency of measur ement s shal l be as r ecommended f or f i el d measur ement s by ASTM D7091, except t hat measur ement s shal l be per f or med on al l ar eas of t he st r uct ur e bei ng coat ed. Thi ckness measur ement s shal l be r epor t ed as t he mean f or each spot det er mi nat i on.

3. 2. 6 Pr ogr ess of Pai nt i ng Wor k

Wher e f i el d pai nt i ng on any t ype of sur f ace has commenced, t he compl et e pai nt i ng oper at i on, i ncl udi ng pr i mi ng and f i ni shi ng coat s, on t hat por t i on of t he wor k shal l be compl et ed as soon as pr act i cabl e, wi t hout pr ol onged del ays. Suf f i c i ent t i me shal l el apse bet ween successi ve coat s t o per mi t

SECTI ON 09 97 02 Page 11 t hem t o dr y pr oper l y f or r ecoat i ng, and t hi s per i od shal l be modi f i ed as necessar y t o sui t adver se weat her condi t i ons. Pai nt shal l be consi der ed dr y f or r ecoat i ng when i t f eel s f i r m, does not def or m or f eel st i cky under moder at e pr essur e of t he f i nger , and t he appl i cat i on of anot her coat of pai nt does not cause f i l m i r r egul ar i t i es such as l i f t i ng or l oss of adhesi on of t he under coat . Al l coat s of al l pai nt ed sur f aces shal l be unscar r ed and compl et el y i nt egr al at t he t i me of appl i cat i on of succeedi ng coat s. At t he t i me of appl i cat i on of each successi ve coat , under coat s shal l be c l eaned of dust , gr ease, over spr ay, or f or ei gn mat t er by means of ai r bl ast , sol vent c l eani ng, or ot her sui t abl e means. Cement and mor t ar deposi t s on pai nt ed st eel sur f aces, not sat i sf act or i l y r emoved by or di nar y c l eani ng met hods, shal l be br ush- of f bl ast c l eaned and compl et el y r epai nt ed as r equi r ed. Under coat s of hi gh gl oss shal l , i f necessar y f or est abl i shment of good adhesi on, be scuf f sanded, sol vent wi ped, or ot her wi se t r eat ed pr i or t o appl i cat i on of a succeedi ng coat . Fi el d coat s on met al shal l be appl i ed af t er er ect i on except as ot her wi se speci f i ed and except f or sur f aces t o be pai nt ed t hat wi l l become i naccessi bl e af t er erection.

3. 2. 7 Pr ot ect i on of Pai nt ed Sur f aces

Wher e shel t er and/ or heat ar e pr ovi ded f or pai nt ed sur f aces dur i ng i ncl ement weat her , such pr ot ect i ve measur es shal l be mai nt ai ned unt i l t he pai nt f i l m has dr i ed and di scont i nuance of t he measur es i s aut hor i zed.

I t ems t hat have been pai nt ed shal l not be handl ed, wor ked on, or ot her wi se di st ur bed unt i l t he pai nt coat i s f ul l y dr y and har d. Al l met al wor k coat ed i n t he shop or f i el d pr i or t o f i nal er ect i on shal l be st or ed out of cont act wi t h t he gr ound i n a manner and l ocat i on t hat wi l l mi ni mi ze t he f or mat i on of wat er - hol di ng pocket s; soi l i ng, cont ami nat i on, and det er i or at i on of t he pai nt f i l m, and damaged ar eas of pai nt on such met al wor k shal l be c l eaned and t ouched up wi t hout del ay. The f i r st f i el d coat of pai nt shal l be appl i ed wi t hi n a r easonabl e per i od of t i me af t er t he shop coat and i n any event bef or e weat her i ng of t he shop coat becomes ext ensi ve.

3. 2. 8 Coal Tar - Epoxy ( Bl ack) Pai nt ( For mul a C- 200a)

3. 2. 8. 1 Mixing

Component B shal l be added t o pr evi ousl y st i r r ed Component A and t hor oughl y mi xed t oget her wi t h a heavy- dut y mechani cal st i r r er j ust pr i or t o use. The use of not mor e t han 1 pi nt of xyl ene t hi nner per 1 gal of pai nt wi l l be per mi t t ed t o i mpr ove appl i cat i on pr oper t i es and ext end pot l i f e. The pot l i f e of t he mi xed pai nt , ext ended by per mi ssi bl e t hi nni ng, may var y f r om 2 hour s i n ver y war m weat her t o 5 or mor e hour s i n cool weat her . Pot l i f e i n war m weat her may be ext ended by pr ecool i ng t he component s pr i or t o mi xi ng;

cool i ng t he mi xed mat er i al ; and/ or by s l ow, cont i nuous st i r r i ng dur i ng t he appl i cat i on per i od. The mi xed mat er i al shal l be appl i ed bef or e unr easonabl e i ncr eases i n v i scosi t y t ake pl ace.

3. 2. 8. 2 Application

Spr ay guns shal l be of t he convent i onal t ype equi pped wi t h a f l ui d t i p of approximately 0. 09 i nch i n di amet er and ext er nal at omi zat i on, seven- hol e ai r cap. Mat er i al shal l be suppl i ed t o t he spr ay gun f r om a bot t om wi t hdr awal pot or by means of a f l ui d pump; hose shal l be 1/ 2 i nch i n di amet er . At omi zat i on ai r pr essur e shal l not be l ess t han 80 psi .

Hi gh- pr essur e ai r l ess spr ay equi pment may be used onl y on br oad, s i mpl y conf i gur ed sur f aces. Br ush appl i cat i on shal l be wi t h a st i f f - br i st l ed t ool heavi l y l aden wi t h mat er i al and wi el ded i n a manner t o spr ead t he coat i ng

SECTI ON 09 97 02 Page 12 smoot hl y and qui ckl y wi t hout excessi ve br ushi ng. The cover age r at e of t he mat er i al i s appr oxi mat el y 110 squar e f eet / gal per coat t o obt ai n 20 mi l s ( dr y t hi ckness) i n a t wo- coat syst em. The pai nt shal l f l ow t oget her and pr ovi de a coher ent , pi nhol e- f r ee f i l m. The di r ect i on of t he spr ay passes ( or f i ni sh st r okes i f br ushed) of t he second coat shal l be at r i ght angl es t o t hose of t he f i r st wher e pr act i cabl e.

3. 2. 8. 3 Subsequent Coat s

Except at t he hi gh t emper at ur es di scussed l at er i n t hi s par agr aph, t he dr y i ng t i me bet ween coal t ar - epoxy coat s shal l not be mor e t han 72 hour s, and appl i cat i on of a subsequent coat as soon as t he under coat i s r easonabl y f i r m i s st r ongl y encour aged. Wher e t he t emper at ur e f or subst r at e or coat i ng sur f aces dur i ng appl i cat i on or cur i ng exceeds or can be expect ed t o exceed 125 degr ees F as t he r esul t of di r ect exposur e t o sunl i ght , t he sur f aces shal l be shaded by over head cover or t he i nt er val bet ween coat s shal l be r educed as may be f ound necessar y t o avoi d poor i nt er coat adhesi on. Her e, poor i nt er coat adhesi on i s def i ned as t he i nabi l i t y of t wo or mor e dr i ed coat s of coal t ar - epoxy pai nt t o r es i st del ami nat i on when t est ed aggr essi vel y wi t h a shar p kni f e. Under t he most ext r eme condi t i ons i nvol v i ng hi gh ambi ent t emper at ur es and sun- exposed sur f aces, t he dr y i ng t i me bet ween coat s shal l not exceed 10 hour s, and t he r educt i on of t hi s i nt er val t o a f ew hour s or l ess i s st r ongl y encour aged. Wher e t he cur i ng t i me of a coal t ar - epoxy under coat exceeds 72 hour s of cur i ng at nor mal t emper at ur es, 10 hour s at ext r eme condi t i ons, or wher e t he under coat devel ops a heavy bl ush, i t shal l be gi ven one of t he f ol l owi ng t r eat ment s bef or e t he subsequent coat i s appl i ed:

a. Et ch t he coat i ng sur f ace l i ght l y by br ush- of f bl ast i ng, usi ng f i ne sand, l ow ai r pr essur e, and a nozzl e- t o- sur f ace di st ance of approximately 3 f eet .

b. Remove t he bl ush and/ or sof t en t he sur f ace of t he coat i ng by wi pi ng i t wi t h c l ot hs dampened wi t h 1- met hyl - 2- pyr r ol i done. The sol vent s may be appl i ed t o t he sur f ace by f og spr ayi ng f ol l owed by wi pi ng, but any puddl es of sol vent shal l be mopped up i mmedi at el y af t er t hey f or m.

Appl y t he subsequent coat i n not l ess t han 15 mi nut es or mor e t han 3 hour s af t er t he sol vent t r eat ment .

3. 2. 8. 4 Ambi ent Temper at ur e

Coal t ar - epoxy pai nt shal l not be appl i ed when t he r ecei v i ng sur f ace or t he ambi ent ai r i s bel ow 50 degr ees F nor unl ess i t can be r easonabl y ant i c i pat ed t hat t he aver age ambi ent t emper at ur e wi l l be 50 degr ees F or hi gher f or t he 5- day per i od subsequent t o t he appl i cat i on of any coat .

3. 2. 8. 5 Safety

I n addi t i on t o t he saf et y pr ovi s i ons i n par agr aph SAFETY, HEALTH, AND ENVI RONMENT, ot her wor kmen as wel l as pai nt er s shal l avoi d i nhal i ng at omi zed par t i c l es of coal t ar - epoxy pai nt and cont act of t he pai nt wi t h t he ski n.

3. 3 PAI NT SYSTEMS APPLI CATI ON

The r equi r ed pai nt syst ems and t he sur f aces t o whi ch t hey shal l be appl i ed ar e shown i n t hi s speci f i cat i on, and/ or on t he Cont r act Dr awi ngs.

Suppl ement ar y i nf or mat i on f ol l ows.

SECTI ON 09 97 02 Page 13

3. 3. 1 Fabr i cat ed and Assembl ed I t ems

I t ems t hat have been f abr i cat ed and/ or assembl ed i nt o essent i al l y t hei r f i nal f or m and t hat ar e cust omar i l y c l eaned and pai nt ed i n accor dance wi t h t he manuf act ur er ' s st andar d pr act i ce wi l l be exempt ed f r om equi val ent sur f ace pr epar at i on and pai nt i ng r equi r ement s descr i bed her ei n, pr ovi ded that:

a. Sur f aces pr i med ( onl y) i n accor dance wi t h such st andar d pr act i ces ar e compat i bl e wi t h speci f i ed f i el d- appl i ed f i ni sh coat s.

b. Sur f aces t hat have been pr i med and f i ni sh pai nt ed i n accor dance wi t h t he manuf act ur er ' s st andar d pr act i ce ar e of accept abl e col or and ar e capabl e of bei ng sat i sf act or i l y t ouched up i n t he f i el d.

c. I t ems expr essl y desi gnat ed her ei n t o be c l eaned and pai nt ed i n a speci f i ed manner ar e not coat ed i n accor dance wi t h t he manuf act ur er ' s st andar d pr act i ce i f di f f er ent f r om t hat speci f i ed her ei n.

3. 3. 2 Sur f ace Pr epar at i on

The met hod of sur f ace pr epar at i on and pr et r eat ment shown i n t he t abul at i on of pai nt syst ems i s f or i dent i f i cat i on pur poses onl y. Cl eani ng and pr et r eat ment of sur f aces pr i or t o pai nt i ng shal l be accompl i shed i n accor dance wi t h det ai l ed r equi r ement s pr evi ousl y descr i bed.

3. 3. 3 Pr ot ect i on of Nonpai nt ed I t ems and Cl eanup

Non- pai nt ed i t ems i n t he v i c i ni t y of t he sur f aces bei ng pai nt ed shal l be mai nt ai ned f r ee f r om damage by pai nt or pai nt i ng act i v i t i es. Pai nt spi l l age and pai nt i ng act i v i t y damage shal l be pr ompt l y r epai r ed.

3. 4 INSPECTION

I nspect and document al l wor k phases and oper at i ons on a dai l y basi s.

Submi t dai l y I nspect i on Repor t s. As a mi ni mum t he dai l y r epor t shal l cont ai n t he f ol l owi ng:

a. I nspect i ons per f or med, i ncl udi ng t he ar ea of t he st r uct ur e i nvol ved and t he r esul t s of t he i nspect i on.

b. Sur f ace pr epar at i on oper at i ons per f or med, i ncl udi ng t he ar ea of t he st r uct ur e i nvol ved, t he mode of pr epar at i on, t he k i nds of sol vent , abr asi ve, or power t ool s empl oyed, and whet her cont r act r equi r ement s wer e met .

c. Thi nni ng oper at i ons per f or med, i ncl udi ng t hi nner s used, bat ch number s, and t hi nner / pai nt vol ume r at i os.

d. Appl i cat i on oper at i ons per f or med, i ncl udi ng t he ar ea of t he st r uct ur e i nvol ved, mode of appl i cat i on empl oyed, ambi ent t emper at ur e, subst r at e t emper at ur e, dew poi nt , r el at i ve humi di t y, t ype of pai nt wi t h bat ch number s, el apsed t i me bet ween sur f ace pr epar at i on and appl i cat i on, el apsed t i me f or r ecoat , condi t i on of under l y i ng coat , number of coat s appl i ed, and i f speci f i ed, measur ed dr y f i l m t hi ckness or spr eadi ng r at e of each new coat i ng.

SECTI ON 09 97 02 Page 14

3. 5 COLOR SCHEDULE

WINGWALL

Coloration:

To be acheived achieved by t he use of pi gment s, as descr i bed i n Section 03 11 13. 00 10 STRUCTURAL CAST- I N- PLACE CONCRETE FORMI NG. Section

03 31 01. 00 10 CAST- I N- PLACE STRUCTURAL CONCRETE FOR THE CONCRETE BRI DGE

CULVERT.

Col or sel ect i on shal l be submi t t ed and appr oved by t he Cont r act i ng Of f i cer ' s r epr esent at i ve.

Coat s: Ant i - gr af f i t i coat s as speci f i ed above.

Col or : Cl ear .

- - End of Sect i on - -

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Thi s page i nt ent i onal l y l ef t bl ank.

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