STATION STATION 1. PAINT INSPECTION INSPECT ION GAUGE (Tooke (Tooke Gauge) Equipment: Tooke Gauge Test Test Panel Pane l • •
Activities 1.
Show correct procedures for: Turning instruments on/off Checking/changing batteries Setting focus adjustment Checking/setting calibration for different tips/angles aking cut with instruments !iewing and e"aluating cut made with instruments
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•
•
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$fter determining determining that the the instrument is correctl% calibrated& calibrated& use the Tooke Tooke Gauge to e"aluate the coating thickness of the sample panels pro"ided. 'ecord %our e"aluation of the coatings on the sample panels in the space below. Mils/Microns Panel #1 1.
Thickness of primer
#.
Thickness of intermediate coat
(.
Thickness of topcoat
).
Total Total dr%*film thickness thickne ss
Panel #2
NOTE: On the final pratial e!a"ination# in a$$ition u%ing the in%tru"ent% to e&aluate oating thikne%%# there 'ill e () *ue%tion% that +ou 'ill ha&e to an%'er regar$ing u%e of the Tooke gauge.
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page
STATION ,. COATING T-ICNESS/0AGNETIC PU2O33 GAUGE (T4PE I) Equipment: agnetic +,T -Pull*off gauge Test panel Plastic calibration shims 0ST calibration standard -range to 1& 2m 3 to ) mils4 •
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Assignment: 5sing the method defined b% SSPC*P$ #& check %our gauge to determine the +,T of the two coated areas of the panel in mils or 2m and pro"ide the four answers re6uired. Mils
Microns
+I,
Plastic ,'ims
BMR PRIMER DF Final !total" DF ali$ration stan%ar% use%& 'ec( onl) one*
-or( areas .or measurements an% calculations are provi%e% $elo* A%0uste% rea%ings must $e mar(e% in t'e ta$le a$ove*
,,PPA 2 -or(s'eets 1* ocation: Primer oat ,pots4 1 2 1
mils / 3m& 5
6
7
A%0ustments 8verall Average DF at t'is ocation
2 5
Be.ore A%0ustments
BMR
Deviation
A.ter A%0ustments
Avg*
2* ocation: Primer oat 9 Finis' oat ,pots4 1 2 5 6 1
mils / 3m& 7
A%0ustments 8verall Average DF at t'is ocation
2 5
Be.ore A%0ustments
BMR
A.ter A%0ustments
Avg*
,pots4 BMR
1
2
5
Average alue ;
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page 2
6
Deviation
7
STATION 5. PU2O33 A6-ESION TEST Equipment: 7lcometer 18 $dhesion Tester $luminum +ollies -# Photos of +ollies Pulled ,rom Coated Surface -) umbered 1 through ) •
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Activities 1.
Show correct procedures for: •
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Pull*off adhesion test Cross hatch adhesion test * 9ith cross hatch cutter * 9ith knife * *Cut adhesion test
Perform these tests on the sample panels pro"ided and record %our obser"ations in the spaces below. ;ocation of failure ma% be described using the ke% below: $ < Substrate = < ,irst Coat C < Second Coat + < Third Coat -etc. > < $dhesi"e ? < +oll%
est Cross hatch -with cutter
Panel:
Panel:
Cross hatch -with knife *cut
P<8FF AD=E,I8+ E, RE,<, ocation o. est
est )pe
Test Panel @1
7lc. 18
Test Panel @#
7lc 18
alue !psi"
A%'esion > Failure
o'esion > Failure
?lue > Failure
ocation o. Failure
Note: On the final pratial e!a"ination# +ou 'ill e&aluate photograph% for failure an$ report the re%ult% an$ an%'er *ue%tion% aout the pull2off a$he%ion te%t.
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 2007 Page !
STATION 7. COATING T-ICNESS/EECT8O0AGNETIC GAUGE (T4PE II) Equipment: T%pe 00 +,T Gauge -Positector 8 , Test panel 7) 0ST Calibration Standards -range to 1& 2m 3 to ) mils4 Plastic Shims • • • •
Assignment: 5sing the method defined b% SSPC*P$ #& check %our gauge to determine the +,T of the two coated areas of the panel in mils or 2m and pro"ide the four answers re6uired. Mils
Microns
+I,
Plastic ,'ims
BMR PRIMER DF Final !total" DF ali$ration stan%ar% use%& 'ec( onl) one*
-or( areas .or measurements an% calculations are provi%e% $elo* A%0uste% rea%ings must $e mar(e% in t'e ta$le a$ove*
,,PPA 2 -or(s'eets 1* ocation: Primer oat ,pots4 1 2 1
mils / 3m& 5
6
7
A%0ustments 8verall Average DF at t'is ocation
2 5
Be.ore A%0ustments
BMR
Deviation
A.ter A%0ustments
Avg*
2* ocation: Primer oat 9 Finis' oat ,pots4 1 2 5 6 1
mils / 3m& 7
A%0ustments 8verall Average DF at t'is ocation
2 5
Be.ore A%0ustments
BMR
A.ter A%0ustments
Avg*
,pots4 BMR
1
2
5
Average alue ;
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page 4
6
Deviation
7
STATION 9. A8CO -A86NESS TEST Equipment =arcol Aardness Tester odel o. B() # $luminum +iscs - 1 o. D and 1 o. B Pencils •
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Activities 1.
Show correct procedures for: Pencil Aardness Test E Shaping pencil lead to smooth c%linder E Pushing pencil across surface E 0nterpreting results 0mpressor Aardness Test E Changing point E 5sing instrument E 0nterpreting results •
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7"aluate the coated sample panels pro"ided b% means of both the pencil hardness and impressor hardness tests and record %our obser"ations in the space pro"ided below. Panel:
Panel:
Pencil =ar%ness
Impressor =ar%ness
(.
7"aluate the unknown test panels b% means of the impressor hardness test onl% and record %our obser"ations in the space pro"ided below. PA+E +
STATION ;. COATING T-ICNESS/E6642CU88ENT 63T GAUGE Equipment 7dd% Current +,T Gauge -+e,elsko Positector o. 8 *1 $luminum panel -1/( bare metal -1/( Primer nl% -1/( Prime H Topcoat Package of Plastic Shims 0ST =locks $n"il Spring icrometer •
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Calibrate the gauge and measure the thickness of the primer& then the thickness of the primer plus the topcoat on the panel pro"ided. 'ecord %our answers in mils or microns.
Mils
Microns
BMR !i. require%" Primer DF Final !total" DF Calibration Standard 5sedI Check one.
0ST Plastic Shims
-or( areas .or measurements an% calculation is provi%e% $elo* ompletion o. t'e ,,P or(s'eet is man%ator)* 8+ =E FI+ A PRAI A E AMI +AI8+ +8 P8I+, -I BE A-ARDED BE8- IF =E -8RC,=EE, A RE +8 8MPEED*
,,PPA 2 -or(s'eets 1. ;ocation: ,pots4 1 1
2
5
6
mils / micronsI 7
6
mils / micronsI 7
#
8verall Average DF at t'is ocation
( $"g. #. ;ocation: , ots4 1
1
2
5
# ( $"g.
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page "
8verall Average DF at t'is ocation
STATION <. SOUE SATS TESTS Equipment Potassium ,erric%anide Test Papers Chlorid CS Jit Slee"e Test Jit =resle Test Patch Set of Swab Test aterials Graduated C%linder =eaker +0 9ater Pharmaceutical Grade Cotton =alls Kuantab strips 8 L 8 panel -1 of the panels used in ;e"el # class SwiMMle Stick •
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Perform 6ualitati"e and semi*6uantitati"e tests for soluble ferrous salts on the sample panel pro"ided.
Note: On the final pratial e!a"ination# +ou 'ill an%'er *ue%tion% aout the follo'ing %olule %alt% te%t%: 2 Pota%%iu" 3erri+ani$e 2 S'a Te%t 2 CSN it 2 Slee&e Te%t 2 re%le Te%t
. NACE =IS <>SSPC2=IS 7 Equipment •
$C7 !0S D/SSPC*!0S )& Guide 'eference Photographs for Steel Surfaces Prepared b% 9aterjetting
Assignment 5sing $C7 !0S D/SSPC*!0S ) and the information pro"ided in $C7 o. F/SSPC*SP 1# 9aterjetting Standard& answer the 6uestions in the table below. Anser !Recor% )our ansers in t'is column" 1.
#.
(.
).
F.
$ccording to $C7 o. F/SSPC*SP 1# 9aterjetting Standard& a steel surface cleaned to 9N*1 allows "isible rust to be left on the surface.
O of
0%
$ccording to $C7 o. F/SSPC*SP 1# 9aterjetting Standard& a steel surface cleaned to 9N*( allows O of randoml% dispersed stains of rust to be left on the surface.
33%
$ccording to $C7 o. F/SSPC*SP 1# 9aterjetting Standard& a steel surface cleaned to 9N*# allows O of tightl% adherent thin coatings to be left on the surface.
5%
$ccording to $C7 o. F/SSPC*SP 1# 9aterjetting Standard& a steel surface cleaned b% waterjetting to !*# # re6uires that less than 2g/cm of chloride contaminants be left on the surface. $ccording to $C7 o. F/SSPC*SP 1# 9aterjetting Standard& a steel surface cleaned b% waterjetting to !*( # re6uires that less than 2g/cm of chloride or sulfate contaminants be left on the surface.
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
Chloride : 7
F
2g/cm
#
2g/cm $tau
&F grams/ 0nch#
#
. NACE =IS <>SSPC2=IS 7 Equipment
STATION 1 – PAINT INSPECTION GAOGE/TOOKE GAGE Bapak coba buka NACE CIP 2 , chapter 11 halaman 267 sampai 274 hafalkan !i"a #enis Cuttin" tips sesuai $%!n&a, A'!( stan)ar), keuntun"an )an kekuran"ann&a serta !est prose)ur* Cara calibrasi + ntuk PI-.!ooke "au"e ti)ak )apat )ikalibrasi/* • • • • •
STATION 2- DFT MAGNETIC PULL OFF GAUGE TYPE I buka NACE CIP 2 , chapter 10 halaman 21 sampai 2 hafalkan A'!( stan)ar) 3 ''PC PA 2, Cara calibrasi • •
STATION 3- PULL OFF ADHESION TEST P 5%% A$E'I5N !E'!+ EC5(E!E 106/ buka NACE CIP 2 , chapter 11 halaman 284 sampai 290 hafalkan A'!( $441, !est proce)ure* Cara (embaca A)hesion , cohesion )an "lue failure • •
buka NACE CIP 2 , chapter 11 halaman 279 sampai 284 hafalkan A'!( ) 9, metho) A untuk : cut, $%!n&a berapa, reference criteria sesuai A'!( $9 A+hasil test/ metho) B untuk Cross acth $%!n&a berapa, reference criteria sesuai A'!( $9 B+hasil test/ !est proce)ure* • •
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STATION 4- DFT ELECTROMAGNETIC GAUGE-type 2 buka NACE CIP 2 , chapter 10 halaman 2 sampai 24 hafalkan A'!( stan)ar) 3 ''PC PA 2, Cara calibrasi • •
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
. NACE =IS <>SSPC2=IS 7 Equipment
STATION 5- BARCOL HARDNESS TEST buka NACE CIP 2 , chapter 11 halaman 29 sampai 297 hafalkan • • • • •
• • • •
PENCI ar)ness test A'!( $ 6, !est proce)ure, ;hat pencil to be use !;o en) point accor)in" A'!( $6 Interpretin" result
BAC5 I(PE''5 chapter 11 halaman 297 sampai 02 hafalkan A'!( $ 28 Calibration !est proce)ure
STATION - EDDY CURRENT -DFT C GAUGEbuka NACE CIP 2 , chapter 10 halaman 27 sampai 29 hafalkan ''PC PA 2, Cara calibration )an apa &an" )i"unakan • •
STATION !- SOLUBLE SALT buka NACE CIP 2 , chapter 10 1* Pottasium %erric&ani)e test papers < halaman 29 < 240
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?ualitati&e te%t for water-soluble ferrous salts include: Use of prepared indication paper Misting surface with distilled water Appling test paper ! 6ark lue color indicates presence of %olule %alt%
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"ilter paper is saturated with 5% potassiu# ferricanide and allowed to dr
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Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
. NACE =IS <>SSPC2=IS 7 Equipment
#. CA;'0+ CS J0T Q Aalaman #)
=
I" #ITAGA$A 1* Cotton >lament on the TOP of kita"a;a tube if present chlori)e from ;hite to YELLO$ %& +A'(e& color/ cotton >lanment at top of tube
2* In B5!!5( of ?ita"a;a cubes
a*@arna PIN? Normal no chlori)e b*;arne $HITE ) P&e*e+t %, C.%&/0e
$irection of sample o;
2
After 90 secon) !he esult is 7 ".cm +(icro"ram per cubic centimeter/ or 7 ppm
* 'EEE !E'! ?I! < alaman 247
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
. NACE =IS <>SSPC2=IS 7
Slee&e "etho$$ Equipment = = = = = = = = = = =
$ pre*measured amount of solution is Poured into a slee"e pro"ided in the test kit. The slee"e is adhered to the surface b% its adhesi"e edges. The slee"e is lifted and held up to force the solution onto the surface being tested. assages the test solution against the surface through the test slee"e for # minutes. The slee"e is then remo"ed from the surface and placed in a hole pro"ided in the lid of the test kit boL. =oth ends of the titrator tube are snapped off with a metal snapper pro"ided. The titrator tube is inserted into the slee"e with the smaller numbers and arrow at the bottom. 9ait approLimatel% 1.F minutes or until the solution has wicked*up to the top of the titrator tube. Cotton at the top of the titrator tube will change color to amber when full% saturated. 0mmediatel% remo"e and read the number on the titrator tube at the interface of the color change. Pink is normal& white is the chloride le"el. This number Rg/cm# or parts per million.
4* Bresle !E'! patch < alaman 246
Cell Retrieval Method (Bresle TM ) ISO 8502-6 The following procedure is used with the =resle Cell: 1. 'emo"e the backing and the foam circle from the test cell #. and adhere the cell tightl% to the area to be tested. (. Insert t'e 7m s)ringe needle into the cell through theSpong% foam perimeter. ). 'emo"e the air from the test area b% pulling back the plunger. F. 0nject all of the reagent ater !5 m" into the cell being careful to keep air bubbles out. ake sure there is no leakage. 8. 'emo"e the s%ringe needle from the center of the cell& but lea"e it in the spong% perimeter and gentl% massage the top of the cell for 1 to 1F seconds. D. 9ithdraw and reinject the water a minimum of three times. . 'etrie"e as much of the water as possible with the s%ringe and place it in a clean "ial or other container. B. This solution can then be tested using kitigawa tubes& the concentration of soluble salts .
7*
'@AB !E'! + ,emiuantitative est .or -ater,olu$le Ferrous Ions" < alaman 246 Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
. NACE =IS <>SSPC2=IS 7 Equipment 7fforts ha"e been made to introduce a realistic 6uantitati"e test for ferrous ions that could be conducted in the field. Aowe"er& these efforts ha"e not been totall% successful. The test method described below is classified as semi-quatitative and its accurac% depends largel% on operator techni6ue. Test !ro"edure 1. ark off a 1F L 1F cm -8 L 8 in. area of the bare substrate to be tested. #. $dd t#o or three dro$s of "inegar -dilute acetic acid to a 1*m; graduated c%linder& and fill the c%linder with distilled or deioi%ed #ater up to the 22&5-m' mark. (. Pour this solution into a 1 to1F m; beaker. ). Select a ball -also called wool of medical cotton about the siMe of a golf ball& and immerse it into the solution. F. 5se the wetted cotton ball to wash the surface of the test area& being cautious to keep the water within the inscribed area. 8. 'eturn the cotton ball to the beaker containing the wash solution. D. 5se a new& dr% cotton ball to dr% up the test area. . 'eturn the second ball to the beaker containing the test solution& and repeat the dr%ing process with new cotton balls until the surface is dr%. B. Stir the contents of the beaker -which contains all cotton balls used for 20 se"ods. 1. 'emo"e one or two test strips from the container& using caution not to touch the test paper Mone. 11. =riefl% immerse -1 to # seconds a test strip in the solution. 1#. 9ithin # seconds& compare the test paper Mone with the color scale on the side of the test strip container. 1(. The color chart indicates the concentration in mg/; -part per million. 1). The concentration is read in mg& but is re$orted i mm2 . This procedure pro"ides a semi*6uantitati"e indication of water*soluble ferrous ion.
,AI8+ +AE I, G/,,PI, 6 c'apter 7 'al 12H Guide 'eference Photographs for Steel Surfaces Prepared b% 9ater*jetting Aafalkan 1. !isual surface Preparation method: 9N1&9N#&9N(&9N) #. ,;5SA rust surface definition: ;ight -;& oderate -& and Aea"% -A. (. *!isible surface cleanliness: !*1& !*#& !*(
Coating Inspector Program Level 2 Practice Practical © NACE International, 2004 January 200 7 Page #
