The Jotun Group
PSPC
(Performance Standard for Protective Coatings)
ULSAN OFFICE
September, 2008
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The Jotun Group
1
PSPC 목적 및 배경 / Main Contents
Page 3∼9
2
3
4
PSPC Detailed contents
– CA check point
Page 10∼22
Reference Information
ISO8501-3, DUST GRADE, PSPC D.F.T MEASURE
BRESLE-KIT, DOCUMENT FORMAT
Page 23∼45
Others
Page 46∼66
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● 기본목적 : 도막의 조기 손상을 막아 선박의 안전을 강화하기 위함
15년 목표 내구연한(Target Useful Life)
2002년 11월 발생한 유조선 프레스티지(Prestige)호 침몰 사고와 관련한
사고보고서[MSC(Maritime Safety Committee) 78차, 2004년]상에 도장품
질에 관한 문제가 언급되면서 MSC에서 채택하는 SOLAS
(Safety of life at sea) Amendment에 PSPC반영.
IACS(International Association of Classification
Societies,국제선급 연합)
:해상안전 업무수행, 해양오염 방지를 위한 기술적인
문제연구, 해사관련 국제기구
CSR(Common Structure Rules,공용구조규칙)
:선급기준을 IACS에서 선체구조를 합리적으로 강화하기
위하여 통일시켜 만든 규칙
:시행일자 2006년 4월 1일
:정회원(11개국)
미국(ABS),영국(LR),프랑스(BV),독일(GL),노르웨이(DNV)
이탈리아(RINA),일본(NK),러시아(RS),폴란드(PR),중국(CR),
한국(KR)
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Coating Manufacturer
Application
Shipyard
Approval Certificate
Agreement on coating system
Type Approval Certificate
(TAC) by Society
Third Party
Ship-owner
Document of Agreement[shipyard]
Statement of Compliance
(SOC) by RIME(Research
Institute of Marine Engineering)
Incl. coating specifications, inspection plans, etc
Statement of Compliance
(SOC) by MARINTEK
TAC/SOC
Technical Data Sheet[Coating Manufacture]
Coating Inspector’s Qualifications
TAC/SOC as deemed
appropriate by society
Consistency of Coating IDs
Coating inspection
NACE Coating Inspector Level 2
Check
Check
Check
Check
Monitor
Coating Inspector’s Report
Other qualifications deemed by Society
Check
Coating Technical File[shipyard]
During Coating
Submit[Shipyard]
Submit[Maker]
FROSIO Inspector Level 3
Before Coating
Participate
(1)Type Approval Certi./SOC
(5)Coating Inspector log
(2)TDS
(6)Shipyard’s evaluation report
(3)Shipyard work records
(7)Maintenance procedures
(4)Inspection and repair procedures
After Coating
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MAINTAINED
ONBOARD
Submit[Shipyard]
Review
Check
S
O
C
I
E
T
Y
The Jotun Group
적 용 시 기
시기
선종
TANKER,
BULK CARRIER
비 고
IMO
● 2008.07.01 및 그 이후 계약되는 선박
IACS-CSR적용선박
IACS-CSR
- 2006.12.08 및 그 이후 계약되는 선박
● 계약서가 없는 경우 2009.01.01및 그
TANKER,
BULK CARRIER
를 제외한 모든 선종
● GT 500ton 이상 전 선종의 전용
적용선박의
크기 규정
IMO협약 시
행일자보다
이후 K/L하는 선박
● 2012.07.01및 그 이후 인도되는 선박
SEA WATER BALLAST TANK
● 길이 150M 이상 B/C의 DOUBLE
약 18개월 전
- None
- 길이 150m이상 TANKER의 전용 SEA
WATER BALLAST TANK
- 길이 90m이상 B/C의 WBT 및 DOUBLE
SIDE SKIN SPACE
SIDE SKIN SPACE
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적용선박은
에 시행됨
The Jotun Group
PSPC Main Contents(1)
Builder’s Practice
Item
250㎛(85/15rule)
2coat system
PSPC
-Epoxy 320㎛(90/10 rule)
-Multi coat system
Remark
도료량 /작업 시간 증가
None
Max.DFT는 Maker Spec.에 따름
None
WFT는 도장 중에 정기적으로 check
작업간섭 발생가능
None
Thinner 종류 및 양은 maker 추천
작업간섭 발생가능
시공의 어려움
NDFT
Coating
system
도장미달부위만 1회 실시
용접선 의무사항 없음
Edges, Welds 2회 실시
단, 용접선의 경우 NDFT 만족시는
1회 실시. 이러한 경우 CTF에 기록
작업량증가
Brush & Roller사용
Roller는 Scallop, Rat hole, etc.
작업량증가
Stripe Coating
Brush & Roller
(주로 Roller 사용)
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PSPC Main Contents(2)
Item
Builder’s Practice
PSPC
Remark
작업간섭 발생가능
None
Sa 2 ½ 30∼75㎛ PROFILE
None
표면처리 후 PRIMER시공전 CHECK
None
50mg/m2이하
작업간섭발생가능
None
ISO 8501-3(grade 2)
작업간섭발생가능
None
Edge처리 : 2R 또는 3R pass grinding
None
Sa2 ½ on damaged shop primer and
welds
Blasting &
Profile
PSP
Water soluble salt
작업중단가능
Steel condition
작업량 증가
SSP
Surface
Treatment
Intact shop primer : none
Contamination : thinner and other
method
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Blasting 설비 필수
Shop primer test결과
-통과 못하면, Intact shop primer 70%제거
-통과시 sweeping or H.P.water
Blasting grade up
The Jotun Group
PSPC Main Contents(3)
Builder’s Practice
Item
PSPC
Remark
Butt : St3 or better
탑재 후 표면처리
Joint 작업 시 문제 대두
St3처리
Contiguous damages가 25m2 또는
Tank 면적의 2% 이하시 :St3
초과시:Sa2 1/2
None
Sa 2 ½ 30∼75㎛ PROFILE or
maker추천
문제의 소지
Dust
None
Dust size class 3이상(0.1mm초과)
:Dust Quantity rating 1 적용
Dust size class2이하(0.1mm이하)
:육안으로 보이는 것 제거
상당한 문제
Water soluble salt
None
50mg/m2이하
Oil오염
Oil 제거흔적 있음
Profile
SSP
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No oil contamination
해수오염시 문제대두
The Jotun Group
PSPC Main Contents(4)
Builder’s Practice
Item
기타
Inspection
verification
General
Principles
PSPC
Ventilation
None
도장 후 Dry 및 Curing을 위해 가동
Testing of coating
None
DFT측정 : after each coat
Total DFT확인 : after final coat
Repair
None
Pinhole,bubble,void etc
DFT측정
SSPC PA-2
C.T.F
None
Yard작성하여 선박인도시 제출
검사관 자격
None
NACE Level II,FROSIO Level III or
Equivalent
도료형식 승인
None
형식승인 시험실시 합격한 도료 사용
None
Owner, yard, marker 삼자 합의
None
자격을 갖춘 검사관
None
검사결과를 주관청이 검토 후 certi발
행
도장검사
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뒷 내용 참조
Remark
1st 측정 공기지연
도막측정개수 증가
검사시간 증가
검사원 증가
자격증 소지자 확보
8month
(shop primer와epoxy 상용성 test)
The Jotun Group
Stage Check point
Before coating
During coating
After coating
● Surface preparation
● Coating Surface
● Before coating and
● Coating process
preparation
During coating Results
( owner, shipyard, maker)
● Coating application
● Coating Technical
process
File
※ Maker fill out document
※ Shipyard fill out document
※ Shipyard fill out document
※ Society checks contents of
the documented agreement
※ Society checks coating
inspector’s reports and coating
identification and
implementation of the coating
inspection
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The Jotun Group
Inspection Items
Construction Stage
Inspection Items
1
RH%, ST, DP check before blasting process starts and at times of sudden changes in weather
2
Soluble salt, oil, grease, other contamination
3
The cleanliness of the steel surface shall be monitored in the shop primer application process
4
Shop primer material shall be confirmed
1
Zinc silicate shop primer curing and thickness check
1
After block completion and before secondary surface preparation, Edge treatment, oil, grease, other visible
contamination to be removed
2
After blasting/grinding/cleaning and prior to coating, visual inspection shall be carried out.
Prior to the application of the first coat of the system, the soluble salts test in at least one location per block
3
RH%, ST, DP check during the coating application and curing
4
DFT measurement
1
Visual inspection for steel surface condition, surface preparation
2
RH%, ST, DP check during the coating application and curing
Primary surface preparation
Thickness
Block assembly
Erection
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The Jotun Group
Basic coating system requirements(1)
1. Design of coating system
Requirement
1
Selection of the coating system
(*lab test)
The following aspects, among other things should be considered:
1. Location of space relative to heated surfaces
2. Frequency of ballasting and de-ballasting operations
3. Required surface conditions
4. Required surface cleanliness and dryness
5. Supplementary cathodic protection
2
Coating type(*lab test)
Coating systems with performance according to the test procedure
3
Coating Pre-qualification test
(*lab test)
Epoxy based system tested prior to the date of entry into force of this standard in a laboratory
Job specification
A minimum of two stripe coats and two spray coats, except that second stripe coat, by way of welded
seams only, may be reduced in scope where it is proven that the NDFT can be met by the coated applied in
order to avoid unnecessary over thickness. Any reduction in scope of the second stripe coat shall be fully
detailed in the CTF.
Stripe coat shall be applied by brush or Roller. Roller to be used for scallops, ratholes, etc., only.
Each main coating layer shall be appropriately cured before application of the next coat. Surface
contaminations such as rust, grease, dust, salt, oil, etc. shall be removed. Abrasive inclusions embedded in
the coating shall be removed.
Dry-to-recoat times and walk on time check.
4
NDFT
5
(Nominal total dry film
thickness)
NDFT 320㎛ with 90/10 rule for epoxy based coatings, other systems to coating manufacturer’s
specifications.
Maximum total dry film thickness according to manufacturer’s detailed specifications.(JOTUN 1200㎛)
Care shall be taken to avoid increasing the thickness in an exaggerated way. Wet film thickness shall be
regularly checked during application.
Thinner shall be limited to those types and quantities recommended by the manufacturer.
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Reference
Standard
Type of
gauge
and
calibration
in
accordance
with SSPCPA
The Jotun Group
Basic coating system requirements(2)
2. PSP
(Primary Surface Preparation)
Reference
Standard
Requirement
Sa2 ½ : with profiled between 30-75㎛
1
Blasting and profile
Blasting shall not be carried out when:
1. The relative humidity is above 85%
2. The surface temperature of steel is less than 3℃ above the dew point.
2
Water soluble salt limit
equivalent to NaCl
≤50mg/m2 of sodium chloride
3
Shop primer
Zinc containing inhibitor free zinc silicate based or equivalent
ISO 8501-1,
ISO 85031/3
ISO 8502-9
The Society monitoring below item:
-Appropriate instruments, techniques, reporting methods in accordance with the
inspection procedure
-Blasting grit contamination
● Coating Inspector’s Report
(TDS, Compliance, Approval Certificate)
● Corrective Actions For Non-Conformity
-Weather condition
※ Coating inspector is responsible for
-Surface cleanliness, surface profile, oil, grease, dust, other contamination
indentifying and implementing the corrective
-Soluble Salt
actions
- verifying thickness and curing of the shop primer
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The Jotun Group
Basic coating system requirements(3)
3.Secondary surface preparation
Requirement
Reference
Standard
Sharp edges, grinding welding beads, weld spatter and any other contaminant.
1
Steel condition
ISO 8501-3
Edges to be treated to a rounded radius of minimum 2mm
2
Surface treatment
Sa2 ½ on damaged shop primer and welds
Sa2 removing at least 70% of intact shop primer, which has not passed a prequalification certified by test
procedure
ISO 8501-1
Butts St3 or better or Sa 2 ½ where practicable.
3
Surface treatment after erection
Small damages up to 2% of total area:St3
Contiguous damages over 25m2 or over 2% of the total area of the tank, Sa2 ½ should be
ISO 8501-1
applied.
4
Profile requirements
Profile 30-75㎛
ISO 85031/3
5
Dust
Dust quantity rating “1” for Dust size class “3”,”4”,”5”. Lower dust size classes to be removed if visible
on the surface to be coated without magnification.
ISO8502-3
6
Water soluble salts
≤50mg/m2 of sodium chloride
ISO8502-9
7
Oil contamination
No oil contamination
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Basic coating system requirements(4)
4.Miscellaneous
Requirement
1
Ventilation
Adequate ventilation is necessary for the proper drying and curing
2
Environment condition
1. The relative humidity is above 85%
2. The surface temperature of steel is less than 3℃ above the dew point.
3
Testing of coating
Destructive testing should be avoided
4
Repair
Any defective areas(pin-hole, bubbles, voids,etc) should be marked up and appropriate repairs
effected.
All Such repairs shall be re-checked and documented.
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Reference
Standard
The Jotun Group
※ Approval test
- The research institute of marine engineering(RIME), MARINTEK, test laboratory
- Maker epoxy based system application and tested to the dedicated seawater ballast tank and 150m Length bulk carrier
prior to 1 July, 2008
: selected vessel is to have ballast tanks in regular use
1. At least one tank is approx 2,000m3
2. At least one tank is adjacent to a heated tank
3. At least one tank under-deck is expose to the sun
- All ballast tanks are to be in “GOOD” condition, without touch up or repair in the prior 5 years
“GOOD” : Spot rusting on less than 3% of the area without visible failure of the coating
Rusting at edges or welds, must be on less than 20% of edges or welds
Approval period : 5year
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※ Compatibility test
Epoxy (or HARD) coating, light colour. System to be:
-
2 x 160 µm D.F.T full coats
-
2x strip coats
(2nd strip coat can be omitted if the D.F.T is within specification)
-
Coating pre-qualification test: “Wave Tank” and “Condensation Chamber” testing
or documented minimum 5 years service exposure with condition of “GOOD”
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The Jotun Group
“Wave tank” for testing WBT coatings
Coatings system:
1.
Sa2½ blasted surface & Epoxy WBT system
2.
Weathered shop-primer & Epoxy WBT system
(shop primer to be weathered at least 2 months and
cleaned by low pressure washing or other mild method)
Additional test:
Dry heat resistance at 70ºC during 180 days
Note:
the size of each test panel is 200 mm x 400 mm x 3 mm
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Condensation chamber test
Room
temperature
23 ±23
2 ° C2ºC
Room
temperature
Test panels
Test
panels
100 %RH
RH
100%
Water 40
40 ± 2ºC
2°C
Water
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Testing Acceptance Criteria
Item
Acceptance Criteria
Blisters on panel
No blisters
Rust on panel
Ri 0 (0%)
Number of pinholes
0
3.5 MPa (5.0 MPa for alternative system)
Adhesion failure
Adhesive failure between substrate and coating or
between coats for 60% or more of the areas
3.0 MPa (5.0 MPa for alternative system)
Cohesive failure
Cathodic protection current demand
calculated from weight loss
Cohesive failure in coating for 40% or more of the
area
< 5 mA/m²
Cathodic protection disbondment
from artificial holiday
< 8 mm
Undercutting from scribe
< 8 mm
U-beam
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Any defects, cracking or detachment, at the angle or
weld will lead to system being failed
The Jotun Group
Definitions(1)
Dew point is the temperature at which air is saturated with moisture.
DFT is dry film thickness.
Dust is loose particle matter present on a surface prepared for painting, arising from blast cleaning or
other surface preparation processes, or resulting from the action of the environment.
Edge grinding is the treatment of edge before secondary surface preparation.
“GOOD” condition is the condition with minor spot rusting as defined in resolution A.744(18).
Hard coating is a coating that chemically converts during its curing process or a non convertible
air drying coating which may be used for maintenance purposes. Can be either inorganic or organic.
NDFT is the nominal dry film thickness. 90/10 practice means that 90% of all thickness measurements
shall be greater than or equal to NDFT and none of the remaining 10% measurements shall be
below 0.9 x NDFT.
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Definitions(2)
Primer coat is the first coat of the coating system applied in the shipyard after shop primer application.
Shop-primer is the prefabrication primer coating applied to steel plates, often in automatic plants (and
before the first coat of a coating system).
Stripe coating is painting of edges, welds, hard to reach areas, etc., to ensure good paint adhesion and
proper paint thickness in critical areas.
Target useful life is the target value, in years, of the durability for which the coating system is designed.
Technical Data Sheet is paint manufacturers’ Product Data Sheet which contains detailed technical
instruction and information relevant to the coating and its application.
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Sample different in frequency of inspections for W.B.TK
Coating condition
Surveys(Internal Inspection)
GOOD
S
I
S
I
FAIR or POOR
S
A
A
I
A
S
YEARS
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
A
A
I
NOTE
S(Special Survey) : 5 years interval to renew the class certificate
I(Intermediate Survey) : To be held between 2nd or 3rd Annual Survey
A(Annual Survey) : To be held within 3months before or after anniversary date
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S
A
S
I
A
A
I
S
A
S
The Jotun Group
IACS clarification for “GOOD”, “FAIR” and “POOR” coating conditions
Breakdown of coating or area rusted (1)
Area of hard rust scale (1)
Local breakdown of coating or rust on
edges or weld lines (2)
GOOD
FAIR
POOR
＜3%
≥3% ＜20%
≥ 20%
-
＜10%
≥10%
＜20%
≥20%＜50%
≥50%
Notes
(1) % is the percentage of the area under consideration or of the “critical structure area”
(2) % is the percentage of edges or weld lines in the area under consideration or of “critical structural area”
(3) Spot rusting ex) Rusting in spot without visible failure of coating
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0. 5%
1%
2%
5%
10%
20%
25%
33%
50%.
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The Jotun Group
2% localized failure
2% scattered failure
10% localized failure
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5% localized failure
15% scattered failure
5% scattered failure
The Jotun Group
Scattered Failure
Localized Failure
3% scattered failure
5% scattered failure
5% localized failure
10% scattered failure
10% localized failure
15% scattered failure
15% localized failure
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
ISO 8501-3(continued)
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The Jotun Group
ISO 8501-3(continued)
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The Jotun Group
ISO 8501-3(continued)
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ISO 8501-3(continued)
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ISO 8501-3
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ISO 8502-3
Class
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Description of dust particles
0
Particle no visible under ×10magnification
1
Particle no visible under ×10magnification
Usually particles less than 50㎛ in diameter
2
Particle just visible with normal or corrected vision
Usually particles less than 50㎛-100㎛ in diameter
3
Particles clearly visible with normal or corrected
vision(particle up to 0.5mm in diameter)
4
Particles between 0.5mm and 2.5mm in diameter
5
Particles larger than 2.5mm in diameter
The Jotun Group
1. Coating Technical File
● Copy of Statement of Compliance or type Approval
Certificate
● Copy of Technical Data Sheet
- Product name and identification mark and/or number
- Materials, components and composition of the coating system,
colours
- Minimum and maximum D.F.T
- Application methods, tools and machine
- Condition of surface to be coated(de-rusting grade, cleanness.etc)
- Environment limitation
● Shipyard work records of coating application
- Applied actual space and area of each compartment
- Applied coating system
- Time of coating, thickness, number of layers
- Ambient condition during coating
- Method of surface preparation
● Procedures for inspection and repair of coating system
during ship construction.
● Coating log issued by the coating inspector.
● Shipyard’s verified inspection report
: completion date of inspection, Result of inspection, Remark,
coating inspector’s signature
● Procedures for in-service maintenance and repair of coating
system
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2. Corrective Actions for
Non-conformity
3. Maintenance of CTF
onboard vessel
※ Approval of coating system
The Jotun Group
DAILY LOG
Coating Technical Specifications
: coating system
: steel preparation
: surface preparation
: surface cleanliness
: environment conditions
: application procedure
: acceptance criteria
Sheet No:
Ship :
Tank/Hold No:
Database:
Part of structure
SURFACE PREPARATION
Area(m2):
Grain size:
Air temperature:
Dew point:
Method :
Abrasive :
Surface temperature :
Relative humidity(max):
Standard achieved:
Rounding of edges:
Comments:
Job No.:
Date :
Signature :
COATING APPLICATION:
Method :
Coat no.
system
Batch
no.
Date
Air
Temp.
Surface
Temp.
RH%
Dew
point
DFT*
Meas.*
*Measured minimum and maximum DFT. DFT readings to be attached to daily log
Comments:
Job No:
your name/presentation name/presentation goal/date/legal entity/division etc
Date :
Signature:
Specfifi
ed
The Jotun Group
NON-CONFORMITY REPORT (written by Society)
Update of coating technical file
: copy of statement of compliance
: copy of Technical Data Sheet
: Procedures for inspection and repair of
coating system during ship construction
Ship :
Tank/Hold No:
Sheet No:
Database:
Part of structure :
DESCRIPTION OF THE INSPECTION FINDINGS TO BE CORRECTED
Description of findings:
Reference document(daily log) :
Action Taken:
Job No.:
your name/presentation name/presentation goal/date/legal entity/division etc
Date :
Signature :
The Jotun Group
전처리 검사일지
(Inspection report for Primary Surface Preparation)
일련번호(Sheet NO.):PSP선번 혹은 선명
(Project number or ship name)
강재식별번호
(Plate number)
검사일자
(Inspection date)
일기조건(Environmental condition)
건구온도(℃)
(Dry bulb temp.)
비고(Remarks):
상대습도(%)
(Relative humidity)
이슬점(℃)
(Dew point)
ISO 8503
GRIT
SHOT
철판온도(℃)
(Surface temp.)
표면처리(Surface Preparation)
FINE
25-50㎛
25-35㎛
MEDIUM
50-85㎛
35-60㎛
COARSE
85-130㎛
60-85㎛
표면조도(Surface profiles)
(30∼75㎛)
□ 합격(Pass)
□불합격(Fail)
염분도(Water soluble salts)
(≤50mg/m2)
□ 합격(Pass)
□불합격(Fail)
□ 미세(Fine)
□ 보통(Medium)
□ 거침(Coarse)
비고(Remarks):
mg/m2
숖 프라이머(Shop primer)
제조자(Manufacturer)
비고(Remarks):
제품명(Product name)
식별기호/번호
(Identification mark/Number)
규정 건도막두께(Specified D.F.T)
평균 15마이크론 ± 5마이크론
(Average 15㎛ ±5㎛)
측정 건도막두께(Measured D.F.T)
검사원(Checked by) :
성명(Name) :
□ 도장검사원(Coating inspector)
□ 보조검사원(Assistant inspector)
서명(Signature) :
□ 라인 품질요원(Line Q.C)
your name/presentation name/presentation goal/date/legal entity/division etc
확인(Verified by):
도장검사원
(Coating Inspector)
출처:KSPIP
성명(Name) :
서명(Signature) :
The Jotun Group
2차 표면처리 검사일지
(Inspection report for Primary Surface Preparation)
일련번호(Sheet NO.):SSP-
선번 혹은 선명
(Project number or ship name)
구조명(Part of structure)
(Block name/Tank No., etc.)
조선소명
(Name of shipyard)
작업장
(Construction stage)
□ 블록단계 / □예비 탑재단계 / □ 탐재단계
(Block assembly / Pre-erection / Erection)
철판조건(Steel condition)
검사일자(시간)
(Inspection date(time))
비고(Remarks):
모서리 그라인딩(Edge grinding)
□ 합격(Pass)
□불합격(Fail)
스패터(Spatter)
□ 합격(Pass)
□불합격(Fail)
용접선(Welding line)
□ 합격(Pass)
□불합격(Fail)
표면(Surface)
□ 합격(Pass)
□불합격(Fail)
기타(Others)
□ 합격(Pass)
□불합격(Fail)
2차 표면처리(Secondary surface preparation)
검사일자(시간)
(Inspection date(time))
비고(Remarks):
표면조도(Surface Profiles)
(30-75㎛)
□ 합격(Pass)
□불합격(Fail)
염분도(Water soluble salts)
(≤50mg/m2)
□ 합격(Pass)
□불합격(Fail)
□ 미세(Fine)
□ 보통(Medium)
□ 거침(Coarse)
mg/m2
먼지(Dust)
□ 합격(Pass)
□불합격(Fail)
유분오염(Oil contamination)
□ 합격(Pass)
□불합격(Fail)
검사결과(Result of Inspection)
□ 합격(Pass)
□불합격(Fail)
검사원(Checked by) :
□ 도장검사원(Coating inspector)
□ 보조검사원(Assistant inspector)
□ 라인 품질요원(Line Q.C)
성명(Name) :
서명(Signature) :
your name/presentation name/presentation goal/date/legal entity/division etc
확인(Verified by):
도장검사원
(Coating Inspector)
출처:KSPIP
성명(Name) :
서명(Signature) :
The Jotun Group
도장일지
(Coating log)
일련번호(Sheet NO.):CL-
선번 혹은 선명
(Project number or ship name)
구조명(Part of structure)
(Block name/Tank No., etc.)
조선소명
(Name of shipyard)
작업장
(Construction stage)
□ 블록단계 / □예비 탑재단계 / □ 탐재단계
(Block assembly / Pre-erection / Erection)
층간도장(Intermediate coating)
순서
(Sequence)
도료명
(Paint name)
일자(시간)
(Date(time))
일기조건(Environmental condition)
건구온도
(Dry bulbTemp.)
상대습도
(Relative humidity)
이슬점
(Dew point)
철판온도
(Surface temp.)
1회 도장
(1st coat)
℃
%
℃
℃
2회 도장
(2nd coat)
℃
%
℃
℃
건도막두께 측정(Dry film thickness measurement)
규정 건도막두께
(Specified D.F.T)
320㎛
최대 건도막두께
(Max. D.F.T)
㎛
최소 건도막두께
(Min. D.F.T)
㎛
도장검사원
측정수(Number of points)
측정 건도막두께
(Measured D.F.T)
평균 건도막두께(Average D.F.T)
최대/최소 건도막두께(Max./Min. D.F.T)
90/10규정(90/10Rule)
㎛
㎛ /
□합격(Pass)
㎛
□불합격(Fail)
검사결과(Result of
inspection)
비고(Remarks):
출처:KSPIP
검사원(Checked by) :
성명(Name) :
□ 도장검사원(Coating inspector)
□ 보조검사원(Assistant inspector)
서명(Signature) :
라인 품질요원(Line
Q.C)
your name/presentation□
name/presentation
goal/date/legal
entity/division etc
확인(Verified by):
도장검사원
(Coating Inspector)
성명(Name) :
서명(Signature) :
The Jotun Group
SPPC-PA2
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The Jotun Group
PSPC D.F.T 측정방법
아래의 확인 지점에 대한 건도막 두께를 측정해야 한다.
1.평판은 5㎡당 1지점을 측정한다.
2.탱크 경계의 모서리에서 15 mm 이상 떨어지지 않게 하여 탱크 경계에 최대한 근접한 위치에서 2-3 m 간격으로 한 지점씩
측정한다.
3.종부재 및 횡부재 :
아래 그림에서와 같이 2-3m 간격으로 한세트 지점을 측정하되, 주보강재 사이에서는 최소 2세트의 지점을 측정한다.
종부재 및 횡부재
주보강재
15mm
비고 : 그림상 화살표(실선)는 측정해야 할 필수 부위를 가리키며, 현재 화살표 표시의 반대쪽을 측정할 수도 있다.
4. 위 그림에서와 같이 주보강재의 경우 한 세트당 3지점을 측정하고, 기타 부재는 한세트당 2지점을 측정한다.
(note: 세트당 선택가능지점: 주보강재-10지점, 부재-8지점)
5.주보강재의 경우에는 그림에서와 같이 2-3 미터 간격으로 한 세트씩 측정하되, 최소 3세트를 측정한다.
6.개구부 주위는 개구부의 각 면에서 한 지점을 측정한다.
7.복합부위는 1㎡ 당 다섯 지점을 측정한다. 단 주보강재의 대형 브라켓 등의 복합부위는 최소 3 지점을 측정한다.
8.도장검사자가 필요하다고 생각되는 부위는 도막 두께를 확인하기 위하여 추가로 국부적인 점검을 해야 한다.
*90/10 규정 적용: 모든 측정치의 90%가 NDFT(공칭건도막두께) 이상이고, 나머지 10%는
NDFT의 90% 이상의 두께이어야 함을 의미함.
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Strip coat 상세
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Container ship center Block D.F.T measure sample
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Flat area(1reading/5m2), Long&Trans(2readibng/2∼3m)
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The Jotun Group
Coating Defects Treatment Method
DEFECT
Blistering
Treatment method
● Scraper로 제거
● 동력공구로 표면처리 후 도장사양으로 도장
DEFECT
Coating Interval
overtime
● 후속도장 전 미세하거나 한정된 부위 : 그대로 둔다.
Blushing
● 수정 필요부위는 희석제를 사용하여 제거
Pin-hole
● 마감도장 후 발생한 경우 그대로 둔다.
Cracking
● 동력공구로 표면처리 후 도장사양으로 도장
Bubbles
Peeling-off
● 동력공구로 표면처리 후 도장사양으로 도장
Void, holiday
Sagging/Running/
wrinkling
● 심한 경우를 제외하고는 그대로 둔다.
● 필요에 따라 Touch up 을 할 수 있다.
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Bleeding
Treatment method
● 도막 표면을 Sand paper or Disc sander 처리 후
도장실시
● 수공구 또는 동력공구로 표면처리 후 도장사양으로
도장
● Scraper로 제거
● 동력공구로 표면처리 후 도장사양으로 도장
● 녹 등 이물질이 있을 경우 제거
● 도장사양으로 도장
● 그대로 둔다.
The Jotun Group
Bresle-Kit Transformation Calculation
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Abrasive s Important points to check
● Silica Free : ＜1% free silica
ISO 11127-6
-100g abrasive + 100ml D.I water mix
● Particle Size : ＞3mm
- Shake 5min + let rest for 1hour + shake 5min
- Measure the conductivity at a 10℃
● Water soluble salts : 25mS/m = 250μS/cm
(ASTM 4940)
● Hardness : Minimum 6Moh
● No oil : Check with water(ASTM 4285)
ASTM D 4940
- 300g abrasive + 300ml D.I water mix
- Shake 1min + let rest for 8min+ shake 1min
- Measure the conductivity
● Content of humidity : max 0.2%
※ Oil content : No presence of oil either on top or
as an emulsion after 30min
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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The Jotun Group
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Anticorrosion rate compare to Blasting grade, number of coats, defects
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