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Revision Number 2.0 Reference Number PR/QC/016

Amendment 0 Date 14-SEP-2011

Document Title PAINTING CONTROL PROCEDUREAl-Yusr Townsend & o!!u" Co#$ L!d#%u '(l Indus!r('l C(!) *1+61in!dom of Saudi Arabia

RE,IE AND APPRO,AL .IGNATURE RECORD

ROLE TITLE .IGNATURE DATE

"ri!inator #A$#% En!ineer 14-SEP-2011

Revie&er 1 Sr. #A$#% En!ineer 14-SEP-2011

A''roved b( #A$#% )ana!er 14-SEP-2011

RECORD O RE,I.ION

RE,I.ION NO# DE.CRIPTION DATE

2.0 *'dated14-SEP-2011

8/10/2019 PR-QC-016, Painting Control Procedure, Rev.2.0

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8/10/2019 PR-QC-016, Painting Control Procedure, Rev.2.0

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AYT Co# L!d# P'(n!(n Con!rol Pro edure

3#0 PURPO.E

T9e 'ur'ose of t9is 'rocedure is to control coatin! &or; on butt &eld <oint and s9oe su''ortre'air. T9is 'rocedure also includes t9e dama!ed coatin! &or;.

*#0 DE INITION. & A RE,IATION.None

4#0 RE.PON.I ILITIE.

#A$#% de'artment s9all be res'onsible for verification of t9e &or;mans9i' level of suc9a''licable s'ecifications= codes= standards to meet t9e contractual :ualit( re:uirements.

5#0 PROCEDURE

.1 3itness ns'ection tems

.1.1 All surface 're'aration and 'aintin! &or; s9all be sub<ect to test andins'ection under &itness b( client at an( reasonable time before= durin! andafter com'letion.

.1.2 3itness test and ins'ection items s9all be recorded on ns'ection S9eet.

.2 Test and ns'ection A!enda

.2.1 Receivin! ns'ection and Stora!e

.2.1.1 An( 'aint in containers t9at is not 'lainl( mar;ed &it9 t9e name=formula= s'ecification= batc9 number= color and date of manufacture or e>'iration date s9all be re<ected.

.2.1.2 All 'aints and t9inners s9all be stored in a &ell ventilated 'lace freefrom e>cessive 9eat or direct ra(s of t9e sun= "'en air stora!e s9all beavoided 'articularl( for 9eav( 'aints suc9 as 'rimers and undercoatsand for s'ecial 'aints &9ic9 are su''lied as t&o or more com'onentsin se'arate containers.

.2.1.+ All 'aints s9all be t9orou!9l( mi>ed before a''lication as 'er )anufacturers instruction manual.

.2.2 3or;mans9i'

.2.2.1 Surface 're'arations and 'aintin! s9all not be carried out under t9efollo&in! conditions?

a. Surface Pre'aration

a@ 39en t9e relative 9umidit( is 9i!9er t9an 7 .

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AYT Co# L!d# P'(n!(n Con!rol Pro edure

b@ n case of rain or bad &eat9er.c@ 39en substrate or metal tem'erature is less t9an

3. ° C above t9e de& 'oint unless s'ecified b( t9e 'aintmanufacturer.

b. %oatin! and %oatin! Re'air

a@ 39en t9e relative 9umidit( is 9i!9er t9an 7 .b@ 39en t9e surfaces are moist or li;el( to become moist

due to rain= sno&= de&= or 9umidit(.c@ A''l( on &eld butt <oint and inc9 a'art bot9 side from

&eld <oint

.2.2.2 ABT/ s9all measure and re'ort 9umidit(= atmos'9eric tem'erature=and metal tem'erature before start of surface 're'aration or 'aintin!and at 4 9ours Cminimum@ intervals.

.2.2.+ ABT/ s9all c9ec; t9e 'ot life= mi>in! ratio 'er manufacturer srecommendation= e>'ir( date of 'aints and re'ort &it9 certificates 'rior to use.

.2.2.4 ,ace of flan!es and t9readed areas s9all not be blasted and 'ainted.

.2.2. E:ui'ment and ot9er ad<acent 'ro'erties not intended for 'aintin! s9allbe 'rotected a!ainst dama!e.

.2.+ ns'ection of Surface Pre'aration

.2.+.1 ns'ection of Pre-blast "'eration

1. Prior to an( ot9er surface 're'aration remove all 9eav( de'osits of oil=!rease= etc. &it9 solvent to Steel Structures Paintin! %ouncils'ecification SSP%-SP-1 Csolvent cleanin!@.

2. 6eat number to be mar;ed inside t9e random 'i'es usin! a''rovedmar;er for traceabilit( 'ur'ose.

+. %lean re'air area b( abrasive blastin! or 'o&er tool cleanin!

4. Rou!9 &elds= coatin! dama!ed areas and cut-offs s9all be !round to asmoot9 radius= and c9i''in! and !rindin! s9all remove &eld s'atter.T9is s9ould be done 'rior to blastin! o'erations.

. ,or tem'orar( 'rotection= if re:uired= use suitable s9o' 'rimer

.2.+.2 A''lication of %oatin!

1. ,or re'air and touc9-u'= use onl( &9ere a''lication and curin! can'roceed at tem'erature above 10 % $ 0 ,.

2. A''l( first coat= &ait for dr(= t9en 'ut second la(er on &eldbutt <oint and inc9 bot9 side from t9e &eld <oint.

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AYT Co# L!d# P'(n!(n Con!rol Pro edure

+. A''lication met9ods b( airless s'ra(= b( brus9 or roller &it9 'ro'er mi>in! ratio.

.2.4 ns'ection of %oatin! ,ilm

.2.4.1 Visual inspection s9all be made on t9e follo&in! items once for allsurfaces. T9e a''lication of eac9 coat for uniformit( of color t9ic;nessand covera!e.

.2.4.2 DFT Measurements of coating thickness 200-+00 microns in first la(er and +00-400 microns in final la(er s9all be carried out at least t9reetimes at eac9 measurin! 'oint. T9e avera!e of t9ree measurementss9all be recorded as t9e measured value for t9e item concerned.

.2.4.2.1.1 Holiday Test observation of 'ainted surface runs=dri's= &rin;les= blisterin!= crac;in!= discolorin!=stains= 'in9oles and s'ra( dust. T('ical discontinuit(of 9olida(? Surface 're'ared metal

C1@ Pin9oleC2@ %rac;in!C+@ /listerin!C4@ nclusion

.2.4.+ T9ic;ness !au!es CD,T@ to be used for measurement of 'aint films9all be calibrated &it9 test s'ecimens once in t9e mornin! andafternoon or &9enever measurements start. 6olida( test e:ui'ments9all be calibrated &it9 valid certificate.

.2.4.4 %9ec; of bet&een-coats dr(in! re:uirements.

.2.4. %9ec; of difficult-to-reac9 areas suc9 as ed!es= corners= crevices=&elds= bolts= obtainin! treatment and covera!e less e:uivalent t9ant9at of ad<acent 'aintin!.

.2.4. 39ere t9ere are no mar;ed defects in a''earance t9e 'aint film s9allbe deemed acce'table. An( item re<ected b( client s9all be re'aired.

.2. %orrective Action of *nacce'table Defects

n case of unacce'table defects durin! or after 'aintin! t9e( s9all be 9andled

as follo&s

a@ Surface Pre'arationb@ Re-a''lication of coatin!.c@ ns'ect surface cleanin!= coatin! dama!ed area.d@ %9ec; for t9e dr(ness bet&een coatse@ Re-ins'ect area visuall(

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AYT Co# L!d# P'(n!(n Con!rol Pro edure

.+ Document to be issued

All re'orts s9all be collected in t9e #% Dossier to be submitted u'on com'letion oft9e &or; as 'er 'ro<ect re:uirements for field construction.

.4 ns'ection Safet( and Precautions

.4.1 )a;e 'ro'er scaffoldin! arran!ements at t9e time of coatin! and ins'ections.*se Personal Protective E:ui'ment CPPE@ durin! all sta!e coatin! andns'ection.

.4.2 Avoid 9uman touc9 to t9e <ob &9ile doin! 9olida( test. )a;e sure no &or;carried out durin! t9is test and ins'ector s9ould be 9andle test e:ui'ment &it9suitable electric s9oc; resistance 9and !loves.

6#0 RECORD.

,)$#%$20 - Paintin! ns'ection Re'ort.

#0 LO C7ART

None

8#0 RE ERENCE.

Nil

+#0 APPENDICE.

None

10#0 ADDENDU2

None

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