External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

14
TALISMAN E N E R G y NAO ENGINEERING SPECIFICATIONS - MATERIALSIWELDING/CORROSION EXTERNAL COATING OF FUSION BONDED EPOXY FOR STEEL PIPE NAO-SPC-D-MW-005 EXTERNAL COATING OF FUSION BONDED EPOXY FOR STEEL PIPE Issue: 2011/01/01 Next Review Date: June 2011 Published by: HSE/OI Staff Responsible: Talisman Energy Inc. Corrosion Technical Authoritv Operational Integrity Department APPROVALS: Calgary Tech Auth: Copyright is owned by Talisman Energy Inc. All Eng. Auth: rights are hereby reserved. This document (in whole or in part) may not be reproduced, stored in VP-HSEOI: a retrieval system, or transmitted, in any form or means, without the prior written permission of Talisman, or as expressly permitted by law. Note: This is an existing specification currently being used by Talisman and has not been technically reviewed or signed off by the Technical Authority at this time. Over time, these specifications will be rebuilt and validated through a specification review process. Please ensure that you use the most current copy of the specs listed on the NAO Portal under Engineering Specifications. The Technical Authority identified on the cover sheet is the point of contact for this specification. Attention: Paper copies are uncontrolled. This copy is valid only at time of printing, 12/15/2010. The controlled document is available on the Talisman NAO Portal.

description

painting practice

Transcript of External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

Page 1: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

TALISMANE N E R G y

NAO ENGINEERING SPECIFICATIONS - MATERIALSIWELDING/CORROSION

EXTERNAL COATING OF FUSION BONDED EPOXY FOR STEEL PIPENAO-SPC-D-MW-005

EXTERNAL COATING OFFUSION BONDED EPOXYFOR STEEL PIPE

Issue: 2011/01/01

Next Review Date:June 2011 Published by:

HSE/OI Staff Responsible: Talisman Energy Inc.Corrosion Technical Authoritv Operational Integrity Department

APPROVALS:Calgary

Tech Auth:Copyright is owned by Talisman Energy Inc. All

Eng. Auth: rights are hereby reserved. This document (inwhole or in part) may not be reproduced, stored in

VP-HSEOI:a retrieval system, or transmitted, in any form ormeans, without the prior written permission ofTalisman, or as expressly permitted by law.

Note: This is an existing specification currently being used by Talisman and has not beentechnically reviewed or signed off by the Technical Authority at this time. Over time, thesespecifications will be rebuilt and validated through a specification review process. Pleaseensure that you use the most current copy of the specs listed on the NAO Portal underEngineering Specifications. The Technical Authority identified on the cover sheet is the point ofcontact for this specification.

Attention: Paper copies are uncontrolled. This copy is valid only at time of printing, 12/15/2010.The controlled document is available on the Talisman NAO Portal.

Page 2: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

Attention: Paper copies are uncontrolled. This copy is valid only at time of printing, 12/15/2010.The controlled document is available on the Talisman NAO Portal.

Page 3: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

- 0" ...._._ ..~ 0' '.". __......_... - .............. .... .~..._. ......._.-

'. ~I ~ :'

". . .' -

TALISMAN ENERG'i INC.GENERAL SPECIFICATION

External Field Applied Liquid.Epoxy Còatíng for Standard

.

:1 : ani: Abraslve Fusion Bond Epoxy Coating Syste~s Rey.Q August 2D.05 F'ag91 of 12. .

í

ES.T. 907.C5.06. .,.'

:..~

TABLE OF CONTE."'S

.' .1.0 SCOPE :..:.......;...................~...~..............:.................:.....~........~......................:.................~..;..... 2

2.0 APPLICALE .REGULATIONS, ÇODES~ STANARDS, AN") SPECICATIONS .......................2

3.0 DEFINONS~..........................................:..............:...;...............................................................2 .'

4.0 GEÑERA R:QUIii-IolS;..........;.....~....;:....:..............~......................................:.............:.~.::. .5.0

. : ' i. SAFETY ..;...:....:.....................~......;.................................................................................~.......;. 3 .

6.0. .

COATING 1\TERI........:.....:..............;.............................:..........................................:........3

7.0 STORAGE OF l\4.TERL4.LS.................~...................................................................................4

8.0 SURACE PREPARi\TION.......................................................................................................4

:~.c: :: ;~~t 19.0 COATING A.PLICATION .......................................................................................................6

10.0 INSPECTION BY APl'LICATOR...............................................................................................8

11.0 COATING REPAIR........................................................................................\..,:..~................10

12.0 CUR TES'TS USING CROSS HATCH .................. .................................... ..;..........................11

.....,..

f' ii@:~jDi;si:iiplio:i

Issued for ImpJem3olaUon

? repli ByG. Baily

Revi~ByG.Mann

Approved By

A. Harms

EDMND.S¡;m

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... .... - _......_..... ....._._.:._--_..~. - ..__..........:...

TALISMAN ENERGY INC. GENERAL SPECIFICAïlON.

,~~External Field.App9ed Liquid Epoxy Coating for Standard

and Abrasive Fusion Bond Epoxy.Coat1ng Systems Rev. 0 , : August ZD05 Page 2 òf12

"'I' ES.T; '907.C5.06 '

"

;

.. " " "

, :'

I .~.,~

1.0

, 1.1

12

1.

,2.0 .

2.1'

2.1.

2.12

:: ,~~:~t.~\'. ~ ..;~...._rl.3

2.1.4

2.1.5,

2.1.6

2.1.7

3.0

3.1

3.2

3:3

3.4

3,5

.j'

1"'...

;iZB~.:..,

3.6-'i:

EDM tlo, SS31

- SCOPE

. , Ths Spei:if'catioii c;v~s ti 0' e):t~ surface pröpÕJ-aion ana CO¡:.Iig of !1e¡a Ø'welds with, liquid 'applied epoxy/epi:xy-uretaie for abrasive c(,atig and slanda.¡i:l FBE." Such coatigsbal be

applied afer radiographic inspecton oflle welds. 'This Spec:ifica!ÎoD alo covers the h;liday testig and coatig repair of abraIYo c~atig and, standadFBE coeteq mll-iÍDe pipe. '

Applì~tor;shal1 cbatïi~ field joints md shell repai all daage, bare spots.and holid,ys so' that the'

pipe~è is insla1e' with a coiitinuous defect-free ex....1 coatig. '..', ':':, . , ; , '

APPLICAJ~Ù.Ë REGUATioNS, CODES, STANARDS~ AN SrECIFICATIONS' ,

,,' Standard?

Steel Strctues Paintig Council (8SPC) Steel Stmctues Pai'1tig l\1aual- Volume 2

Stel Strctus Pab.nng Council SSPC-VIS 1-89 Visal Standad for Abrasive Blast CleanedStee .Steel Strctes Paitig CO\mcil SSPC-SP 1, Solvent CIeag

NACE RecoID'Ucnded Practice NACE No. l/SSPC-SP 5, Whte Meæl Elast Cleang

NACE Recommended Practice NACE No. 21SSPC-SP 10, Near- Wrote Blast Cleang

NACE Recommended Prctice NACE 1~o. 4/SSPC.SP 71 Bruh-off Blast Clean

National Bureau of Stiòards Certed Coatig J1ickness Standad

DEFJITIONS

"Appllcator" shall mean those persons who live bee coiiiracted to apply coatigs and inspect asoutlied in this spe::ifcation and as p~r manufactu~r fecommendations.

II Client" shall mea company or coi:panes for whom the work is being perormed.

tlTalisman" shall mt'iU Talen En.gieerg COTporation, as agents or representatives for tie

Client, ïnchidig its engineerg agencies, inectors, iid other authorized representatives.

ri Contriictortt shal mea those wbo have been approy~ by Talisma to perform the pipeline

consction and or other specifed serces.

"Epo):y- Urethane" shal mean a two-conponen i 00% solids epDXY a:d ureilane (0 VOCe:æssion), high-build coatig applied by brush or airless sprayi.

"Force Cure" shil mean extemy applied heat usig a catalytc beater or tiger torch to speed upcure tie of the liquid epoxy/epoxy-urethane.

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GENERAL SPEC1F1CÂTIONTALISMAN ENERGY IHC., .

"~ external Field Applied Liquid Epoxy Goatlng for Standard

:j~il 'and Abrasive Fust,oh Bond Eppxy Coating System~Rev. 0 August 200,5, ' P~!:e ~ of12

'-'"0' 'ES.T. B07.C5.0ti"

. ,, . '

3.tl

'HEpQi.~'t1 shall meiii a two-romponent, 100% solid epoxy (0 'VÒç 6iii;sIon), hig-buUd,

monolithc coati.-:g e.ppií';d by brush or airless sprayig:

iiMaiiufacturer.i shall mean.llose who proö.uc;o and supply ûle'Uqid eP°xyJepoxy-uretPane

c:oatIg systms. " '.

3.7

4.0 GE1..rtR. REQUIMENTS

4.1

, .

The .Aplicator shall fuish all materials,libour, equipment. toolS, intreii, iici rnpeision,

incideutallo and necessar for the application and inspection' of th~ exteral coatig in accordan'cewiÙi ths SpeciñcatiDil aid the Manufactuer's reçjmmendatioiw~ ~AU quality co~1rOl: " ,

measurements and inections shan be caried out and recordEi,by ih~ Applicator añd approvedby. Talis¡:an. ''4.2 For bru &pray and two-par tube-loadd llauid applicßtio~s, ~nìy App1ír.ators who have

prevÌo\lsly been approved 'Qy Talisman and certiñed by

!: Me""1l1actuer shall applyliqild

epo),."y/epoxy-urethe coating systems. '

The Contractor shall at all ties tae extreme precautons to ensue: L1iat when pre-no'eed pipe is

handled there is no &iage to tho: exteral coatig.4.3

~,! J134.4Applicator shal not apply w:\d coatig on. weld. wifu a pipeline section t'1at sti coit.asunepaired or unassessed weld rePai. Applicator shal, une:;s otlerwse approved by Talisma,reai a distance of one pipe section behid weld repais WM the application of

weld coatig.

5.0 SAFET¥~

The Applicator shall follow all safety precautiDus as Dutlied in the i:roject ~afety :PIau aid as perManufactur's re~oinended practice.

5.1

6.0 COATlNG MATERIAL

6.1 Certfica tiOD

6.1 .i The Applic~tor shal use coating mateIal that is identied with \1e fo'llowmg:

" Manufactuer's name

~ product description

Batch miber .

Q Mai:ufactig ide!tincatiDu number

.. Location of manufactue

. "~; J:~~¡;l:) 6.1.2

Tho App1Icainr shallse coatig material mat is handled and siDred in tl~ Applicator's pi

ani in

accordace with the Manufactuer's recommendations. The Applicator sJ:ll ch::k the expir dales-_õ'_:'-

EDM 110. SßS17

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T AUSMAN ENERGY ING. GENERA SPECIFICATION I

,::,::~ External Field Applied Liquid Epoxy Coating for Standard

t~ and Abrasí'ie Fuslon:Bond Ep-oxy Coating SystemsRev. () , . August2005 Page.4 or"1,2 ,

r, " ' . ' .' .: ~S.l. 90J,C5.0? . ' . ,., .' ,- "

'6,1.

of ail coating materials Dil a reguar basis to ensure the product is being rotated oui pnor to the',~~~ .'Prior to staiûug coatig activities the App1i~~t,or sh~ idetL"y for Talian's 'approva~ th~ m&llod ofdisposal fDr c:npty coatig con.taers and surlus waste cDatig máteals. The dispsal of emptýcoating containeirirand sulus waste coating materal shall be conducted in accordace with theacceptale royironental rudads of BJY Authority Havig Jllisàicti~ii

6.1.1

Appruved Coatig Materlnls

Tbe Spray Grade material to be used for the coåüùg of gL-th ,..elds 'for stadard fusioii bond epoxycoated pipe iid rep'als shall be as follows: ',' '

" 'G.2

. .. S~:-28&8 R.O. Epoxy-Uretane as 'su¡:pliedby Speciaty Polymer Coatigs. Inc.

a SP-38&B Liquid Epoxy as supplied by Specialty Pol)-!oer Coatigs, Inc.

. Prota7250 as supplied by Deno Nort )..merica In.

6,2.2 The Bpisn Grade mateal tD be used for the coating of g'.r welds for stadard fusion bond epoxycO,ated pipe and repais shal be as follows: '.

¡':1rtiI~o SP-2888 R.O. Epoxy-Urethane ai supplied by SpeialtyPolymcr Coatings, fue.

o SP-388B Liquid Epoxy as supplied by Spedalt¡Polymer Coatings, Inc.

" . ProW 7200 as suppli by Deuso Nort Amerca Inc.

6.2.3 A.. alte.'1ate product to be used for mior repairs shal be as fonows:

" Two- PEr Tn be- Loaded LitJ.id Epoxy Denso Prota! 7125 as su pplied by De:iso

6.2.4 The spr~y and brh grde lIlenal to be used ror me coatig of t.rib welds for dual powder

abrasive coated fusion bond'epoxy and repais sl:iJ be as foilows:

SP-28gB R,O. EpDxy-Urethane as supplied by Bp~cialty Polymer Coatings, Inc.

7.0 STORAGE OF l\iATERlS

7.1 Coaf..g matcials"hall be &tored and transported at tempeatues between lO.e and 35°e and asper Manilactier' s recommende practice.

8.0 SURACE PREPARATION

" ¡i!~i:t¡~) 8.1

~ . .

All Surf3¡;f: to re¡;eive Pîotecûve coatig system shall be examied for visual sign of grease, oil,injU¡lOUS contats, sliyers, rough welds, burs, weld spatter, mud, soils, etc. If anycontamants are prescot, sDlve.nt cleanìg shall be perormed in accordance with SSPC.S? i,

EDM ND, 5õ317

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TALISMAN ENERGY INC. GENERAL SPECIFI CATIO N

, ' '. External FreId AppHe-d LIquid Epoxy Coating for Standard

¡~~l:~ and Abrasive Fusion Bon~ Epoxy. Coating Systemsr. ' " .' ES.T. 907.C5~05 : '

Rev. 0 Page 5 of. 1 Z .August 2005

8.2'

8.3

8.4

8.5

8.6

8.7

': ':~:~g~\.&

8.9

,;f;Ü?¡B,lO:..~.:.:~::. .

8,11

EDlJ lJo.51i17

The Applicatòr shal obtain a list ofrecommened solvents frm the MinufadDre: and.live nieM.':11uf~l:rprovîde updates to the Applicator to reflect product c~angei ottt with regards tosolvènts.' ' ..', "The air pres~~o at the no~ie durgabraive blast operatons shalÌb~ a miim~ of90 psi(62D kPa) or as per nianuf~ctaer spe:ciñcatioiis.

Prior to .blast cleang. tho'pipe shal,oo healed to remove any moiste: The pipe's suace"teperatu sbal be a mhimi of3oe above tle dew poin temperatue during blast cleaning and

inection. to a maXE1J of 9O~C. . ' ' .

No abrasiye blastig sha be performed when the relative humidity excee BS% unless otberwisoapproved by T~sman. ' ., ' .No abrasive, bls.s1g or coatig sballbe pmoIIcd if

the substrte i~ 'Upiotecte~ when th6ro is

iminent probabilty ofprecipitation or danger of splash, vapour, fbg, o-\ier-spray. or other measof mace contamiation from adjacent ope:atons.

The metal surface to be coated shal be abraíve blast-cleaned to an NACE No. 2/SSPC-gp 10!lea-white blast clea!ed surace fish.

Materhl for abrasve cle.ning sha be ile proper blend of gnt to prod'Jc~ aiì angular suace profieas outlined LTl Table 2. The approved bla.st lLed.. materals have been rate for perormance. Arating or 1 shall be deemed as the most prefered are listed in Table 1.

TABLE 1: APPROVED BLAST i\1lrUM

Blast Medium Ratin¡z

Target Green Diamond 1

Slalasl 1

alack Ughlrlng 2

Sarsliol 3

The FEE coating shall be bmsh blasted to SSPC-SP 7INACE 4,75 mm baèk'from cutback area.The bla.st ~E and ;;eel sice shall have a :niiu: profile dep as outled in Table 2.

TABLE 2: BLAST PROFIE DEPTH

l\1i terlal Length of l\uiIl urn Profie

I

Method of Profie

Overlap Depth

FBE a'ldfor Dual Powd~ Abrasive 75in 50 fl (2.0 mils) Swæ¡iBlas\

FSEUnePìp3

SIs Sunac9I

H1AI

50 fl (Z.O mns) alasl Cleaned

Abrasie blasting shall DOt reduce nomil wall thcl:ess to less- than 92 % Dominal.

Following compJe:ion oflle blaslIig. the s-màce sball be bruhed with a clean barr bristle Dr fibrebrsh, o-r blown with compressed air io remove blastig residue frm

!:e surce oftle pipe.

Page 8: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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T AUSMAN ENERGY INC. GENERAL SPECIFICATION

,~, External Field AppHe-d liquId Epoxy Coating for t;tandard

;~J;f4~ and A,brašive Fusion Bond Epoxy Coating ~ystems:

"T. ~8.T. 90r.e5.0SRev. 0 August 2D05 Page 6 of i'l '

8.12

8.13 '

B.14

3.15 '

8..l6

8.17

'2e:,l

':':'~.~9.0

9.1

9,1.

9.1.

9.2

9.2.1

9.2.2

,:.!/:~~;t:J2.3 .

EDM Ih5õ'i7

, Imbeded maters or cont~t. shaílb~ defied as DOlNiietac. The b1aed area shal be

visually inspected for imbedded abrasive mate,aJs. Non~inetiic mater~s such as clay shall notbe pti tied.. ' . ,,' , ,',' , 'DIrecthand contact with th~pre¡ared suaces shal be ij\'oided at ëJi ties.

,The AppIícátor shall check imd rerord we suace profie depth (to Maiufactucr's specifcation)

by using an appropna1e suiiceprofie gauge (press-D-Fil Gauge or equivalent). 1be surace

profie depth sbiil be checked a miímui 0 f once for ever 10 girth welds.

Coatig application sbalHake pl~ce with four noUi"S afer blast cleag. Metal ir~i,'wlicli have

developed i1ash rutdue to exposure to rai or moistue, shll b~ gien a bruh blåst to'ietl t1e

surface to its 'origial'blaste condition as per Clause 8.7;. . . . I.The. comprèssed ai supply UStm forb-last cl~g shll be free of water and oil. Sepàra1ofs .apd

IDters shaH be usei au tho 6Di:pressed ai supply to ense thi:t containants s\ich as 'oil and y¡alörlie not deposited on to the stel &'.lace. Separatori and fites shal be checked once per sfi bythe .Applicator to ensure al componerits are f:ictionig properly.

Prepared sur ares, which do o.ot confom: to the requied specifcation, shall b:: re-prepared in

accordaèe with th specifcation prior to applicatio:i oÏany prier or protective coatig.

COATING APPLICATION. .Geneml

Theprepared external sm-face of the substrte to be coated shal be free of moiste, 'Dill and gieasemd any other contamants prior to the applicstion of the externel protective coirg as perSection 8.0 SUIace Preparatioll

Applicator shall ensure dli;t over-spay and/or other coatig materals are Dot deposited on t10

ground. Ths shall b~ accomplished byusmg tas or spatt boar ui&r e:cb.joint durg thecoating Dperation.

Preheating

The steel substrte shall be preheated n.sing êl induction heater imeiiate1y fu"er blast clea:mg.Wbere the induction hester wil not work effectively (i.e. fittings), a tiger torch sbil be alowed.Caution shall be taken to aVDid direct coiitact between the opèn flame oîthe torch and the ID'etalsurace being coated The preheat teperatues for the coating applitation shall b'e as outlied inTable 3. .The pipo surace shaH be a rninum of 3 °C aDove the dew point tempe;atiie prior to coatigapplication.

W1en the pipe suace to be coated is below 1 QOC, ila suace shall be preheated usmg aninduction neater imediately after biast cleang. wliere ile indiictión heater wil not workeffectively (i.e. fittings), a tiger torch shal be allowed. Caution shall be taken 10 avoid dL-et

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IGENÊRAL SPEGlflCATIO N

TALISMAN ENERGY INC.

. .

;::~::.\

Ext~rnal Fl~ld Applied LiquId Epoxy GC3t1ng for Stêmdard':'~ , ,and Abrasive Fusipl' Bond Epoxy Coating Sy~tems Re\!.O , Aui,iist 20~5, Paga 7 of)2

r, ES.T.907.e5.06 ;, .

. .~;

\)"?,t. ..'t;-..

, 9.2.4

9.2.5

': :. ;!;~~))

9.2,6

9.2.7

9.3

9.3.1

9.3.2

9.3.3

9.3.4

9.3.5

";:.~:::;:;::;::.~ 9.3,6 .

E':M lob, 56317

..Dnta~t b~¡;en the open :iaÉc ofthe tortli and th~I!6ts.lliace being coa.t~d.' The pre~heat

t::mpera~' for t)e coat¡g applicaton is outlèd in Table 3.' '. .' . - . ..OTABLE 3: PIlE SÌJA~E TÈfPER.-4Tù-R'. . . '.'Pie Surfll!:e Temperature Pre-Heat Temperature

Grealer!han \O'C 65'C la 8S"C

6elWii 1 O'C \o.we as.C lo90"C

.1O"C or roJler Nollo exæid 125°(;

The pipe temperatur:nhall pot exceed the coatig manufacIUer' s recoinended pre-heattemperatues for the application oflle llquid epoxy."

The environme~tai parametes shil be mpiitorw at the b~gig, cf the day and once everf 4

ho"!S them after they iie a. follows:

TABLE 4: ENVIRO~1iNTAL PA.TE

Item Environmentil Panmeters Method

1 Raiafive hinidll Hygromeler (Digital or Wei Dry iMi)

2 DewPDint Snng psychromater

3 Amblen\ lei'lpsl3ureTh;irmomeler (CelsIus)

4 Weatier Codll~m; IVisi;l

Pípe scae: temperatue shall be measued using a non-contact inared temp.eratue prçibe orTalisman appiovei alteate.

The Applicator shll record the He-heat measuements tak and dOCU.'l1cnt ibe inormation. on thedaiy inection reporls. 'Application

Miiufact"irer application, handlg, and safety procedures shal be adhered to at ail ties.

The AppIicaj:or shall ensue all perounel required to apply coatigs have received adeq,uatetrg and cetJñCatOIl by the coatig manufactu.

The coaiig shal be applied imediately after preheatig has bee completed. No solvents slianbe added to the liquid epoxy/epoxy-ureilane systems.

The coatig tockness for the stadard FEE Iiaie piping shal have a mim Dry FilmThckness (DFT of 635 ¡. (25 rr) aiid the marium DFT shall be 1143 ¡. (45 mils).

The coating thckness for Tle abra~ive maie piping shall have a n:um and DFT or 889 ¡..i¡n(35 mis) and the iraximum DFT shal,be 1397 ¡. (55 mis).

Brush Grade (and two-par tube-loaded liquid epo).)') ~ the coatin.g shal be Iled and applied il

accordace with manufacturer's application speciñçation. ai,d safety procedures.

Page 10: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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' . .,'T AUSMAN ENERGY INC. GENERAL SPECIFICATION

External Field Applied LIquId Epoxy Coating f.or SLanda1d.

:... ,3ridAbr¡;sive ~us¡on Bond Epoxy Coating Syst.~ms Rev. 0 Au~~st 2f)~:i: ' Page 8 of 12'% . '. . -1"

ES.T.9D7.C5.08 :

.')~0" ~tf

9\3,7

9.3,8

9.3.9

9.3.10

9.3.11

10.0

10.1

10.2

, "",:' '::I~¡~~~~l 0.3

IDA

10.5

10.6

':.....

'. ~.WJf;~

EDM tb. 5.317

Spray cirad~. the coatu:g ~h~ be'iri~¡i Sp~~y'~~p~eå 'iniI)~iiipl~ PaS~es'wlÍ~~'req';ired to buildto the required thckness using a Hydr~at or equalent and all necessaj)' ancilar equipment inaccordance wiHi th~ Mantiac~urerts application.spepifcatiöi;. ' '.

The applied coatg snaIl overlap 6yjsting mainine coating by a mium distce of75 mm.

The fiished coatbg sh!l be g~neraHy sma.oth and free Df pinoles, fish c)res, sags: etc.

CauEon shal be lake.n so ~ not 'to damage the coati~ when fDrC'.e-Cu.~g metods are used.

ND handlig or packrJ1ìg ,s~aii be aIJ~wed. until the cQatigba~ completely cured.

INSPECTION BY APPLICAT9R

The Applicabr shaH be r~ed to ~ave a TalisDm Inpector ou'site for the suce preparation,the application, and holidåy.testirg of all coaÛIg materals and the bec"kflling oÎpipe.

p,J. sufaces shall have the required Doina1 DFT. The surace oÏthe coatig shal bo no rougherthai the base Dr substate material Drips, r"lllllg, saggig, or other dicoutinuities are not

acceptable.

Durg the coaling application of spra-åpplied products, the thickness of the appJieÆprDáuct shallbe measured USL1g a wet film thëkness gauge to insure i:um thckness is maintaed

Afer the coating Ji cu.-e,to a tack:fre:: condition, lhe Applicatar BÒal measue and'record lheDFT at each gi weld as depicted ii Table 5. The DFT meaS-:lements shall be taken using a"M:icrolest' magn~tic gauge or Talisman approved equivalent. Th.!? gauge shal b, cabrated to a

National Burci of Standards CerWed Coatig Thckness Standad.

r ABLE 5: LOCATION FOR COATING TmcKN"Ess MEASURíENfS

Number of Meiisu rem ent5 ' I Pipe Position

Dna (1) measuremenl I 12 o'c1oc:k pDsition adJacerllleld

One (1) measurement I 3 or 9 o'cio¡;k positon adjacenl weld

Ona (1) measuiemaiì( I 6 O'clOCK POSiü01 adja~::nl weld

Dna (1) me3sure;¡eii! I oven ap' ara

The ApplicatDr shall treat all areas that do not meet mium DFT's as a repai area aid shallreferonce Section 1 J.O Coatig Rep~ir, for tle proper repair procedure, Areas that exceed themaxum DFT shall1)e accepted provided the average DFT measured il four areas meets thenomial mil thickness specifed

For stiidad FBE-eoated pipe, the gi.r welds shall be cheeked with a holiday detector set asoutlied in Table 6.

Page 11: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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ii

TALISMAN ENERGY INC. GENERAL SPECIFICATION

1 ': Ex~maIFleld Applied Liquid Epoxy Coating for standard

i:~l~~ : ßod Abrasive .fusion Bohd Epoxy Costing Systems,

:'f' , ES.T. 907.C5.06 " .'

August ~005 Page 9 of 12Rev.O .

10.7

10.8

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10.10

10.11

10.12

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EDM No, 5531

TABLE 6: HOLIAY TESTIlG VOLTAGES, , .'

Item . ' Mi Thickness R(llid~y'Tei;ting , Electrode Type

Rage Vnltage

Girth Weld Stan:laid FBE I 251045 mis 2àOO\,ol!s DC Rubber

Girt Welós Ali¡as!ve Goafing 351055 mi& 3900VDlls DC' .

Rubber.

MaL,linepi~ 12 \018 mils lBOVoI!S DC Rub~ro¡Con

Abæslve Coale Maiiiile Pipe 2Slo 35 mil,- ,I, 2800VollsDG R"¡Jb:er Dr CoR

Bends ZJlo25 mils ,1800 Volls DC Rubber Of CoS

The detector electrode shal òe ~ 'c:ond-ictive rubber ~lectrode aidshal be in direct couiact with the

surace of the ,coating beirg inspected. The voltage oÎ the detector shall be- so~ checke at thtbegig of each day. aiid ever four hours a,fter by using an lictlato voltreteri and recorded outhe daily inspection report. Any holiday detetor identied as défe.ctive s!iJl be removed ¡md

replaced imeöately by thè Applicaor, ' '

The Applicator shall use caution wben holiday testing stadad FBE gi welds on the overlapareas. The holiday detecor shall not be alowed to pass over the exstig FBE cDating or overlaparea uSI'",g Lie higher voltages descrbed in Tablè 6.

Holiday test.g on the overlap area and the adjacent FEB shall be holiday teste as per

Clause 10.10 or Clause 10.12 when applicable.

For mabine pipe coated with stBDdad FEB, abrasive dual powder FEE and bends cóated wiiL.

liquid epoxy or epoxy urethanes tle holiday detector shsll be set in accordance with Table ó. Thedet~.ctor electrode shall be conductve rubbe!" or rolling steel'sprì electrode a:d sbal be in direct

contact :'vith tie surce of the coating be.g inpéced. The rate of travel shall not ¿",ceed 0.75 inper s"eonò and the holiday delector shall not remai stationa wli.e i:ergji.~.

Inspection with a boliday detector shil not be attempted imtil the coating is hardencl The pipe tobe inspected shall have a totay th surface and b~ inspected aver 100% of the coated suace,

When ongoing diIncu1ty with moisture on 6e coailg (such as water, ice, or frost) may contrbuteto additional holidays occurg on the pipe suace, and afer consultation with Talisman coa\:gspecialist, thy L'"spector may permit the Contractor to pedorm a 100% visual inection. of

the pipe

ås the fial inspection of tJe pipe durg lowfT.ig in activities provided the falIo)ving additionalcritera has been met:

..' i 00% holiday detection has bee completed afer tho pipe bas been placed along side the

ditch reaày fDr lowering n.

~ The holiday detector is calibrated and set at i 900 volts fur the f"i.'" holiday testLïg on'stadad fusion bond epO)..y coated pipe.

Al holidays are to be repaired as descnbed in Se-:;lion.l 1.0 Coating Repair.

Coatig shal be tested for c'ue as described in Sectiou 11.0.

Page 12: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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T AUSMAN ENERGY INC.I

GENERAL SPECIFICATION

.

. . External Field Applied Liquid Epoxy Goatfng fcr Standard\h ,and Abrasive FusIon 'Bond Epoxy,Coatlng Systems Rev,O ' August 2005 Page ,1Q of 12-t(?l. , .f : ES.T.907.C5.0B

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EDM ~o. 5531

COATIG REPAIR

Coatig ;epa~s shil bè divided jD.io'~o'classiß~atioDs'~ 11ajor iidMinr. A MinaI repair is au

area 2 cm2 or less: and 3 Major re¡)ir is ED areagrea!er than 2 ç,m2 Dr greater.'

Whae preheat is:,requied¡ the SUai:e temperatit shall be heaìed in accordance wifu the preheattemperatures outlined in Section 9.2.. . .

Additional coatig shJl be aPPlied t~ Iieas &at ~-e less i;an the specifed mìum thckness. Nobnish blastig.is required üthe açiitprial coatIg is ¡;pplied whie the intial coating is tacky. Ifthe coatig has cured to a tack-free donditio~ the existig-coatg snail be brush-blased to SSPC-'SP 7/NACE 4, or rDughened using 60-BO grts.ardpaper for miDr repair to asS'.im intercoat '

adhesion; ,(Brosh blasting shll be carlfd o.m 'lhim the coa.tig has harened enough to ensue the.bIas! media wil not be embèdded ín the new coatg). SUace preption for areas c.lasiñed as amiijòr.repair shiÙl be in acc!?rdaD(~e ì\ith Séctio.n 8.0 Surfce Preparation. Coatig material shall 'be app1ieä ir accordace with the following requiements.

The coated suace shall be completely dr, free from moistue. dust, or foreign matter whe:i theliquid epox):/epoxy-urethiie is applied as per Section 8.0 Surace Preparation.

ìVnere ile suràc~ tempertue ~ less thn 1 O°C..!ll) suace to be recoated shall be preheated inaccordace with SectiDn 9.2.

Coated areas where the Iiqi.id epDxy/epoxy-urethane has not ::ured properly shall be stripped and. 'recoated in accordance 'With the followiiW requiments.

Uncured coating shal be corppletely remDved by scraping and grt blastg.

The steel substrate shall be; totEIJy clean, dr, and free frm moistue, uncued coatig, and foreignBatier when recoating is to ~egi aa p::r SectiçiD. &.0 Suace Preparation.

Edges of adjacent coatig shall be feathered and all dust proàuced by the cleag and featheringshall be ,,1ped clean with a clean cloth soaked in a solvent recommended by the Manufacwerbefore: patchig begiiis.

Major-Repiii.

Holidays larger fum 2 cm2 shall be repaired in accordaco'with ile following requiements: .

The surfaces tD be coated shall be totay dr; fre from moistue, dust, or other fordgn matter at

the time the coating is applied. iVlere preheat is required, the surface tiperatu snail be beatedL"l accordBce with Clause 9.2,

Repair areas shall be cJe!led by a su.-face grder or by grt blastÎ.g to remove al foreign materialincluding dir" rust, scale, and dmged coatig. Al dust produced by the cleang md fe3ther"1gshall be wiped clean with a clean cloth soaked il a solvent reommenòed by the malíufactler priorto patchíg as p::r Section 8.0 Surace Preparation. Surac preparation methods shall not reducewil thickness to less fuan 92% of speciñed w~l thckness.

Page 13: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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T ALlSMAt~ ENERGY INC. GENERAL SPEClflCATION

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External F1~!d Applied Uquid Epoxy Coating for Standardand Abrasive Fusion Bond Epoxy Coating Systems. ES.T.9G7,CS:06

Atigusl20~5 ,Page 11 of12 ,, Rev. 0,

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: Edges ofthb adjåcel coatg sbal be: feathered anq ~I òust prDi\l~ by'tle cleaing andfeatbenng shaH b~ wiped clean with a clean cloth soaJed in ii solvent rec~pien.ded by 1PBm,m11actæer before patchig begins.: '

Minor R~pair

, Repair ofhclidays 2 cm2 or less shall be repaied uslig brush method OJ, Tube.Loared CDld Cuetwo-par epoxy patc kis. Repai mitedals 'shil be applied i: accon1ance "lviÜl Marufactuer'srecorrendations and the fDllowing requiremaits: ' . '. '..' " . ,

Repai area shall be cleanEi by sandig ~e areas 'Yth medi~ gnt (BO-tö 100) cBIboqndum clothDr sandpaper to remDve al foreign materl includlg dm; ru. se;le, an daged eoátig. All

dust produced by ih:: cloang and fe¡itleig shall bfl wiped clean wit a clean cloth soa.t:ed in asolvent recomi-nende:d by tle maiufactuer ¡:nor to patchig as riel' Section B.O Surce PreparatiolL

Surace prearation metods shall not reduoe wall thcl:ress to less th ,92% of specifièd wallthicknesS'. ".All repairs sh be inpected and be in accordance v¡ith the requiment or Section 10.0Inspection by Applicator. '

CURE TESTS USIG CROSS HATCH

Genera.l

Ths 5pe:cification covers both shop and field cure test requirereits.

The cure test Ior field application shall be perfored at the field weld joint areå. Repais shall becompieted in accordance with Clause i 1.6, upon completio!l of the test.

All fidd weldjoìnl areas shaIl have documentation idC2tig tb;, date, coatig batch #, applicator,ti~ of day, inspector, and product name where testbg was completed.

AU test areas are to be prepar:; by grt blastig to near white fish.

Brush and Spray Grade

Procedure

Spray or brush aPtlY ih~ coatig onto ile test area. A minimum ofiwo sac-np1es Dr test areaB arerequired per shift (maxUI 10 hòurs). The fist siple or test ,shal be prcpare.d 'Wthi tle fist30 minutes at tbe star of work shi and the second sample shal be prepare.d with the last30 minutes of the work shift Test areas are to be force cured as per manufactuers' specifications,samples cooled to room temperatue, and B "cross hatch" test conducted usig the fOllDwing

pmcedures:

Using a utilty knife, make two 13-mm (approxiatly) long scribes though to the metalsurface 10 form a V with an angle of approxiately 30° at the intersection point.

Page 14: External Coating of Fusion Bonded Epoxy for Steel Pipe Nao-spc-d-mw-005

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-,

TALISMAN ENERGY INC.I

GENERAL SPEC!FICATION

External Field App.lled Liquid Epoxy c~atrng for ~tandard;

~f~~.and Abra~ive Fusi?n' Bond Epoxy ,Coattng Sy~t.ems Rev. 0 ' AUgust ZOps ,Page 12 of12'

'ë-ì"", ' ES.T.907.C5,Q6. '- ' , '.

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12.2.3.1

12.2.3.2

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EDM No. 5S317

-. At the point ofintersectlou, force the coat Îrom the sleel imbstrate using'a Šh2! pDmted',' knife: Care shal be taken to protec eyes and ilci, '. . ". . .

" Cau;;eforRejedion

Ref~sa1 of the COS.tiìg to peel or a cohesive failure with the coating shaÌ be recoied as a "Pass.", .Cohesive failure caused by voids leaving a hone)'comb striictue on the spt.tiIeu suace shall be '

recorded as'a faílnre. ,., '. . .', ,..'

, Cohesive faiure. for the purose of the test, wil be r~ordd when~ somecoafug waterialreIinson the metal suacc and diffculty in'coding rernovalhas,beei experienced.

, The extent of the adhesive fail~e between the roatig 'and 'ti~ metal substrate shEil be reqcrdcd.Disbonding to the metal suace of up to 4 mm fro~ the centro po~t offue cross shall be regarded'as satisfactory. ".Where the lest ils to conform to the specified reuiementsi at the Company's option, al coatigapplied afer the previous aceepta ble test and prir to the next acceptable test shal be rejected.

Rejected-coate pipe shall be stripped, re-blasted, md ;ecoated.

Cui'e Test Using Sbii ro D Hardness (ASTM D-2240-91)

The test is required for boll¡ brush and spray applications and shal be conrr.icted for inornatioJl

puroses.

The test procedwe involves obtaig app:oxiately B mm-tlck samples oime co¡iting materialfrom productiDll nms and testig will a Shore D Hardness tester at 23 :: 7°G.

Coatig is deemed cured if a :mui Shore D Haràness of 80 is 0 btàined. The miimum testfrequency shall be four sampI,es per shift (maximum of 10 hours).