SP-1246 1
January 24, 2017 | Author: Ahmad Zaid | Category: N/A
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Petroleum Development Oman L.L.C.
UNRESTRICTED
Document ID : SP-1246
April 2010
Filing key : xxxx
Specification for Painting and Coating of Oil and Gas Production Facilities
PART 1 TECHNICAL REQUIREMENTS FOR COATING SYSTEMS
Keywords: Acceptance Criteria Coatings Documentation Maintenance New Construction Painting Performance Tests Surface Protection
This document is the property of Petroleum Development Oman L.L.C. Neither the whole nor any part of this document may be disclosed to others nor reproduced, stored in a retrieval system, or transmitted in any form by any means (electronic, mechanical, reprographic recording or otherwise) without prior written consent of the owner.
Specification for Painting and Coating of Oil and Gas Production Facilities –Part - 1
Version No. ERD-48-01 SP-1246 Ver.0 SP-1246 Ver.1 SP-1246 Ver.2
Date Jan 89 May 2002 July 2003 April 2010
Author ETH/5 OTT/11 TTO/11 UEC/121
Version 2
Scope / Remarks Original ERD Document Updated and in new PDO format For issue For issue
INSTRUCTIONS TO USER Make sure this is the latest issue of this specification. Refer to the EMDS for the last issue date. Where this Specification refers to DEPs and International Standards, it refers to the issues that were in-use when the author wrote this Specification. Exceptions are references to specific issues. If you use DEPs or International Standards with this Specification, make sure you use the relevant issues. Do not change this Specification without approval. Only the Custodian, the Corporate Functional Discipline Head (CFDH) who owns this Specification, can give approval for changes. If you think the Specification is not correct, write your comments on a copy of the User Comment Form. The form is the last page of this Specification.
Specification for Painting and Coating of Oil and Gas Production Facilities–Part - 1
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Contents 1
Preface ....................................................................................................................................... 5 1.1 1.2 1.3
2
Background......................................................................................................................................................5 Applicability ....................................................................................................................................................5 Units of Measurement......................................................................................................................................6
Introduction .............................................................................................................................. 7 2.1 General.............................................................................................................................................................7 2.1.1 Scope .......................................................................................................................................................7 2.1.2 Exclusions................................................................................................................................................7 2.1.3 Circulation ...............................................................................................................................................7
3
Technical ................................................................................................................................... 8 3.1 General.............................................................................................................................................................8 3.2 Paint and Coating Materials.............................................................................................................................8 3.2.1 Recommended Materials .........................................................................................................................8 3.2.2 Paint Vendor Responsibilities..................................................................................................................8 3.2.3 Paint Colours ...........................................................................................................................................8 3.2.4 Thinners ...................................................................................................................................................8 3.2.5 VOC Requirements..................................................................................................................................9 3.3 Finish Colour and Colour Coding Schedule ....................................................................................................9 3.3.1 Overall Top Coat Colours........................................................................................................................9 3.3.2 Colour Identification for Plant Pipework and Pipelines...........................................................................9 3.4 Metallic Coatings.............................................................................................................................................9 3.4.1 Hot Dip Galvanising ................................................................................................................................9 3.4.2 Thermal Sprayed Coatings ...................................................................................................................10
4
Quality Assurance .................................................................................................................. 10 4.1
5
Qualification of existing ERD 48-01 coating systems.......................................................... 10 5.1
6
ISO specifications..........................................................................................................................................11 British specifications .....................................................................................................................................12 Euronorms ..................................................................................................... Error! Bookmark not defined. Other International Specifications .................................................................................................................12 PDO and SIEP Documents ............................................................................................................................13
Appendix A Glossary of Definitions, Terms and Abbreviations ....................................... 14 7.1 7.2 7.3
8
Introduction ...................................................................................................................................................10
Related Business Control Documents................................................................................... 11 6.1 6.2 6.3 6.4 6.5
7
Quality System ..............................................................................................................................................10
Standard Definitions ......................................................................................................................................14 Special Definitions.........................................................................................................................................14 Abbreviations.................................................................................................................................................16
Appendix B - Paint and Coating System Evaluation ......................................................... 17 8.1 Introduction ...................................................................................................................................................17 8.2 Performance Tests .........................................................................................................................................17 8.2.1 Test Schedule.........................................................................................................................................17 8.2.2 Test Methods .........................................................................................................................................17 8.2.3 Acceptance Criteria................................................................................................................................17 8.2.4 Means of Evaluation Following Test.....................................................................................................17 8.2.5 Application and Technical Information .................................................................................................17 8.2.6 Notes to Tables B1 – B8 ........................................................................................................................18
9
Appendix C - Cathodic Disbonding Resistance Test........................................................... 30
10 User Comment Form ............................................................................................................. 31
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Tables Table B1 Table B2-B4 Table B5 Table B6 Table B7
Required Tests and Acceptance Criteria -External Onshore Above - Ground Structures......................19 Required Tests and Acceptance Criteria – External Below-Ground Structures............................... 20-23 Required Tests and Acceptance Criteria – Internals of Tanks and Vessels ...........................................24 Required Tests and Acceptance Criteria – Offshore Structures.............................................................25 Required Tests and Acceptance Criteria – Miscellaneous Areas...........................................................26
Table B8
Summary of Performance Tests.............................................................................................................27
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Preface
1.1 Background This Specification SP-1246 covers the minimum requirements for protective painting and coating systems, materials and application methods for the internal and external surface of steel structures and equipment within the oil and gas production facilities. Relevant structures and equipment include aboveground and buried onshore tanks, vessels, in-station pipework, buried sections of above ground flowlines and pipelines, structural steel, electrical and mechanical equipment. For further information on buried sections of above ground flowlines and pipelines refer to GU-368. Whilst the Specification is directed predominantly at protection of onshore oil and gas installations, it also covers external protective coating of marine facilities such as jetties, mooring buoys, barges and launches. Internal surfaces of pumps, valves and other mechanical equipment requiring special protective treatments are not dealt with in this Specification. For guidance on this contact UER/CFDH Materials and Corrosion. The coating of new pipelines and existing pipelines requiring rehabilitation are covered in the following alternative specifications and procedures. For guidance on this contact UER/CFDH Materials and Corrosion. GU-368 Guidelines For The Protection Of Buried Sections Of Surface Laid Pipelines/Flowlines PR-1180 Procedure for Qualification of Pipeline Rehabilitation Coating Systems DEP 31.40.30.31-Gen. Technical Specification for External Polyethylene and Polypropylene Coating for Line Pipe DEP 31.40.30.32-Gen. Technical Specification for External Fusion-bonded Epoxy Powder Coating for Line Pipe DEP 31.40.30.37-Gen External Field Joint And Rehabilitation Coatings System For Line Pipe .
1.2 Applicability All coating work shall be carried out in accordance with this Specification. If a variance is required then approval in writing from the Custodian, UER/CFDH Corrosion and Materials is required. This Specification is not applicable retroactively. This specification does not apply to concrete structures. For concrete structures in corrosive environment consult UER/CFDH Materials and Corrosion. This is Part 1 of a five part Specification and must be read in conjunction with Parts 2, 3, 4 and 5. PART 1 specifies technical and related requirements. This part includes performance tests and acceptance criteria for assessing the acceptability of paint/coating/lining systems for each service specified in Parts 2 and 3. PART 2 contains recommended protective coating systems for the following categories with respect to new construction painting/coating activities: -
External surfaces of carbon steel structures, piping and equipment, onshore and marine External surfaces of buried carbon steel structures, piping and buried sections of above ground flowlines and pipelines. (except Class I and Class II pipelines) Internal surfaces of tanks and vessels Stainless steel and galvanised piping and equipment Areas beneath insulation Specialist applications
This Part also gives descriptions of the generic types of paint used for new construction projects. The descriptions apply equally to the maintenance paint systems presented in Part 3.
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Protective coatings for new pipelines based on Polyethylene (PE), Polypropylene (PP) or Fusion Bonded Epoxy (FBE) are not covered in this Specification but the general good practices described in this volume are equally applicable to the coating of line pipe. . PART 3 contains recommended Maintenance Coating Systems for the following categories with respect to location and painting/coating activities and inspection of old coatings: -
External coatings on carbon steel structures, piping and equipment, onshore and marine External coatings of below ground carbon steel structures and piping including Class I and Class II pipelines Internal coated surfaces of tanks and vessels Stainless steel and galvanised piping and equipment
PART 4 contains the detailed requirements for surface preparation and application of coatings to the categories stated in Parts 2 and 3. This Part contains HSE advice and general inspection requirements. PART 5 Contains the list of approved coating systems and is a live document that will be updated by UER. This includes coating systems that have been grandfathered in. New Projects PARTS 1, 2 and 4 apply in their entirety to new projects where painting and coating activities are carried out at site or in the shop. For painting and coating of package items, carried out prior to delivery to site or to existing facilities, the requirements, stated in PARTS 1 and 4, apply in their entirety, whilst those of PART 2 apply where applicable. Maintenance Where maintenance painting is to be done, PDO’s technical requirements are stated in PART 1 and those sections of PART 3 and 4 as appropriate, dependent upon the Scope of Work.
1.3 Units of Measurement This specification uses and requires the use of the International System (SI) units of measurement in all documentation. Paint film thicknesses are expressed in microns, 1micron is 0.001mm.
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Introduction
2.1 General This Specification (Parts 1, 2, 3, 4 and 5) has been prepared for the use of PDO staff and by their Contractors, Inspectors, Painting Contractors, Equipment Vendors and Paint Vendors as a reference or as a contractual document (as appropriate) for all painting and coating contracts. This applies to both New Construction and Maintenance as appropriate. 2.1.1
Scope
Part 1 of this Specification establishes the minimum requirements of PDO as regards materials performance requirements to be employed for new construction and maintenance painting and coating of offshore structures and facilities and onshore process facilities. It details the PDO technical and related requirements. In general PDO requires coating systems to be of medium durability that is 5-15 years life, in medium corrosive conditions as defined in the various parts of ISO-12944. Attention is drawn to the performance requirements specified in Appendix B. The acceptable coating systems from ERD 48-01 are listed in Part-5 of the specification. Part 2 of this Specification gives the recommended generic coating systems for New Construction Part 3 of this Specification gives the recommended generic coating systems for Maintenance and includes how old coatings should be assessed and repaired. Part 4 of the Specification states the detailed requirements as regards to materials, surface preparation, application, testing, inspection and HSE requirements to be employed. Part 5 of the Specification lists the approved coating systems for each Paint Coating System (PCS) 2.1.2
Exclusions
This Specification is not applicable to: -
2.1.3
pipelines and risers except as explicitly stated reinforcing steel for concrete structures, where it will be fully embedded in concrete drilling facilities Temporary construction items that are to be removed during the installation phase and to which only a primer shall be applied.
Circulation
Circulation of this Specification shall be restricted to the parties mentioned under Section 2.1.
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Technical
3.1 General This section of the Specification covers the minimum performance requirements for painting and coating materials, and outlines the requirements for equipment, surface preparation, paint and coating application, testing and inspection, and HSE requirements. Full details of these requirements are given in Part 4. The requirements, unless otherwise indicated within this Specification, are applicable to all activities concerned with New Construction work, Repair and Maintenance wherever these activities are done.
3.2 Paint and Coating Materials 3.2.1
Recommended Materials
Recommended generic materials are detailed in the relevant section for each system in Parts 2 and 3 of this Specification may only be used if they meet the performance criteria defined in Appendix B of this Specification. Demonstration of performance criteria to the requirements of Appendix B is necessary before any paint/coating system can be used. The materials specified in Parts 2 and 3 of this Specification are those appropriate to large scale application. For local treatment brushable grades of these materials may be found to be necessary and the number of coats may need adjusting to achieve the necessary dry film thickness (DFT). The use of brushable grades of the materials specified in Parts 2 and 3 will not require any additional testing in accordance with Appendix B. All coatings, applied to surfaces that will be buried or wetted in service, will be subject to cathodic protection with design criteria in accordance with PDO Specification SP-1128. 3.2.2
Paint Vendor Responsibilities
The Paint Vendor shall submit original test data and test results as performed by an independent testing authority to show compliance with the requirements of Appendix B. If this is not available then in house testing will be acceptable provided the testing is witnessed by a PDO approved third party inspection company such as BV and Velosi. Test results, from previous testing programmes provided they are less than 3 years old will be considered acceptable provided the coating systems are generically the same with no changes to any formulations. The Paint Vendor shall ensure that all parties mentioned in Section 2.1 are supplied with up-to-date data sheet before any painting and coating commences. In the event of any changes to Paint Vendor’s Technical Data Sheets, product number etc, the related product shall be subject to the formal approval procedure, by testing of the complete paint/coating system to the requirements of Appendix B. The Paint Vendor shall comply with PDO environmental requirements and submit Materials Safety Data Sheets for each product to PDO. Paint Vendors shall assist PDO Production Chemistry Department in development of Safe Handling of Chemicals (SHOC) cards for each generic type of paint. Vendors are to notify PDO of any changes to the PCS shown in Part 5 as only approved coatings that are included in this part will be acceptable for use. 3.2.3
Paint Colours
The colours of alternate paint coats of the generic and proprietary systems listed in Parts 2 and 3 of this Specification should be contrasting. 3.2.4
Thinners
Only thinners as specified by the Paint Vendor shall be used. Mixing and thinning directions, as furnished by the Paint Vendor, shall be followed.
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VOC Requirements
There are no statutory requirements in Oman for control of Volatile Organic Compound (VOC) and PDO uses the American Conference of Governmental Industrial Hygienists (ACGIH) publication which covers the current USA statutory regulations for controlling the exposure levels to paint solvents (VOCs). This publication lists the maximum exposure limits and occupational exposure standards. The levels of VOCs that can be admitted to the atmosphere through both the manufacture and application of paints and associated products shall be in accordance with the above. Paints and other coatings, specified in this Specification, shall not contain any components that are carcinogenic or possess high toxicity (eg. isocyanates) which can be released during application, in service or during removal.
3.3 Finish Colour and Colour Coding Schedule 3.3.1
Overall Top Coat Colours
The final coat of a coating system shall be of a colour in accordance with PDO colour scheme for equipment and process facilities shown in Table 1 below. Table 1 Recommended Colours for Oil and Gas Installations Facility Description
Colour
BS 4800
RAL
Oil and gas installations in the Interior and Government Gas installations on the Coast, including above-ground tanks, vessels, piping and structural steel. See also SP-1166 Bottom strake of oil and water storage tanks Oil installations in Mina al Fahal including above-ground tanks, vessels, piping and structural steel. Stacks and heat transfer equipment Electrical equipment Instrument panels Safety markings including handrails Pipeline isolating joints Offshore mooring buoys topside steelwork
White
00 E 55
9010
Black Camouflage
00 E 53
9005 1019
Aluminium Light Grey Silver Grey Yellow Red Yellow
00 A 05
9006 7036 7032 1021 3000 1021
3.3.2
18 B 21 08 E 51 08 E 51
Colour Identification for Plant Pipework and Pipelines
Colour coding shall be in accordance with SP-1166 the technical specification for Identification of On-plot Piping
3.4 Metallic Coatings 3.4.1
Hot Dip Galvanising
All carbon steel gratings, ladders, handrails, fences, stairways, walkways, cable trays, and other items as specified by the Project Technical Information shall be hot dip galvanised in accordance with BS EN ISO 1461: covering hot dip galvanised coatings on iron and steel articles. The minimum coating weight shall comply with the values laid down in Table 1 of BS EN ISO 1461: and shall not be less than 610 g/m2. All sealed tubes must have a small weep-hole to allow hydrogen gas to escape. Small areas of galvanised coating, damaged by cutting, welding, drilling or any preparation during fabrication, erection, transportation or installation, shall be repaired in accordance with Part 3. Painting systems for galvanised items that are to be painted are detailed in Sections 5 of Part 2 and Part 3 of this Specification, for new construction and maintenance painting respectively. SP-1246
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Thermal Sprayed Coatings
If required all thermally applied coatings shall comply with DEP.30.48.40.31 with a minimum DFT of 100 microns.
4
Quality Assurance
4.1 Quality System The Paint Vendor shall operate a Quality System in line with recognised PDO standards and in general accordance with ISO-9002. PDO reserves the right to audit the Paint Vendors manufacturing facilities.
5
Qualification of Existing ERD 48-01 Coating Systems
5.1 Introduction The existing coating systems approved for use under ERD 48-01 and elsewhere are shown in Part 5. The tables show which systems can be carried forward and do not require testing in accordance with the following tables in Appendix B of this part.
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Related Business Control Documents The following standards, codes and specifications shall form part of this Specification. Except where a specific edition or revision is identified by date or revision/edition number, the latest edition in effect at the date of contract shall govern.
6.1 ISO specifications
SP-1246
ISO 1513
Paints or varnishes – Examination and preparation of samples for testing
ISO 2063
Metallic Coatings and other inorganic coatings – Thermal spraying – Zinc, aluminium and their alloys
ISO 2808
Paints or varnishes – Coating thickness measurements
ISO 2815
Paints or varnishes – Hardness testing
ISO-3233
Paints and varnishes - Determination of percentage volume of non-volatile matter by measuring the density of a dried coating
ISO 3248
Paints and varnishes – Determination of the effect of heat
ISO 3549
Zinc Dust Pigments for Paints- Specification and Test Methods
ISO 4624
Paints and varnishes – Pull-off test for adhesion
ISO 4628-1
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 1: General principles and rating schemes
ISO 4628-2
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 2: Designation of degree of blistering
ISO 4628-3
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 3: Designation of degree of rusting
ISO 4628-4
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 4: Designation of degree of cracking
ISO 4628-5
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 5: Designation of degree of flaking
ISO 4628-6
Paints and varnishes – Evaluation of degradation of paint coatings – Designation of intensity, quantity and size of common types of defect – Part 6: Rating of degree of chalking by tape method
ISO 6270-1
Paints and varnishes – Determination of resistance to humidity- Part 1: Corrosion by condensation
ISO 6272
Paints and varnishes – Falling weight test
ISO 7253
Paints and varnishes – Determination of the resistance to neutral salt spray
ISO 8501-1/BS
Preparation of steel substrates before application of paints and related 11
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7079-A1 Supplement
products – Representative photographic examples of the change of appearance of steel when blast-cleaned with different abrasives
ISO 8502-3
Preparation of steel substrates before application of paints and related products – Tests for the assessment of surface cleanliness - Part 3: Assessment of dust on steel surfaces prepared for painting (pressuresensitive tape method).
ISO 11997-2
Paints and varnishes – Determination of the resistance to cyclic corrosion conditions – Part 2: Wet (salt fog)/dry/humidity/UV light
ISO 12944 –all parts
Paints and Varnishes- Corrosion protection of steel structures by protective paint systems
6.2 British specifications BS EN ISO 1461
Specification and test methods for hot dip galvanised coatings on iron and steel articles
BS 3900 F10
Methods of tests for paints. Determination of resistance to cathodic disbonding of coatings for use in marine environments
BS 4800
Schedule of paint colours for building purposes
BS 6920
Suitability of non-metallic products for use in contact with water intended for human consumption
BS 7079-0
Preparation of steel substrates before application of paints and related substances. Introduction
6.3 Other International Specifications
SP-1246
API RP-5L2
Recommended Practice for Internal Coating of Line Pipe for Noncorrosive Gas Transmission Service
ASTM C868
Standard Test Method for Chemical Resistance of Protective Linings
ASTM D257
Standard Test Method for DC Resistance or Conductance of Insulating Materials
ASTM D822
Standard Practice for Filtered Open-Flame Carbon-Arc Exposure of Paint and Related Coatings and Materials
ASTM D870
Standard Practice for Water Resistance of Coatings using Water Immersion
ASTM D1002
Standard Test Method for Apparent Shear Strength of Adhesively Single-Lap-Joint Bonded Metal Specimens by Tension Loading (Metal-to-Metal)
ASTM D1653
Standard Test Method for Water Vapour Transmission of Organic Coating Films
ASTM D1894
Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheet
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ASTM G6
Standard Test Method for Abrasion Resistance of Pipeline Coatings
ASTM G14
Standard Test Method for Impact Resistance of Pipeline Coatings (Falling weight Test)
ASTM G17
Standard Test Method for Penetration Resistance of Pipeline Coatings (Blunt Rod)
ASTM G154
Standard Practice for Operating Fluorescent Light Apparatus for Exposure of Nonmetallic Materials
ASTM E96
Standard Test Method for Water Vapour Transmission of Materials
NACE TM0184
Accelerated Test Procedure for Screening Atmospheric Surface Coating Systems for Offshore Platforms and Equipment
NACE TM0185
Evaluation of Plastic Coating by Autoclave Testing
NACE RP0188
Recommended Practice. Discontinuity (Holiday) Testing of New Protective Coatings on Conductive Substrates
SSPC-SP-3
Surface Preparation Specification. Power Tool Cleaning to Bare Metal
SSPC-SP-12
Joint Surface Preparation Specification NACE No. 5/SSPC SP 12. Surface Preparation and Cleaning of Steel and Other Hard Materials by High-and Ultrahigh-Pressure Water Jetting Prior to Recoating
6.4 PDO and SIEP Documents
SP-1246
DEP 31.40.30.31.Gen
Technical Specification for External Polyethylene and Polypropylene Coating for Line Pipe
DEP 31.40.30.32.Gen
Technical Specification for External Fusion-bonded Epoxy Powder Coating for Line Pipe
DEP 30.48.40.31- Gen
Technical specification- Thermal Sprayed Coatings
DEP 31.40.30.35.Gen
Technical Specification – Internal Coating of Line Pipe for Noncorrosive Gas Transmission Service
GU-368
Guidelines For The Protection Of Buried Sections Of Surface Laid Pipelines/Flowlines
PDO-SP-1166
Identification of On-Plot Pipework
PDO-PR-1180
Procedure for Qualification of Pipeline Rehabilitation Coating Systems
PDO-SP-1128
Specification for Cathodic Protection Design – Dec2005
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Appendix A Abbreviations
7.1
Version 2
Glossary of Definitions, Terms and
Standard Definitions
Within the context of this specification the following words shall have the meanings stated: must/shall
Indicates a mandatory requirement.
should
Indicates a preferred course of action.
may
Indicates one acceptable course of action.
API
American Petroleum Institute
SIEP
Shell International Exploration and Production bv.
PDO
Petroleum Development Oman.
SHOC
Safe Handling of Chemicals
Contractor
The PDO appointed Contractor for a defined piece of work.
Vendor
The supplier of materials or equipment - not necessarily the Manufacturer.
Manufacturer
The company responsible for the manufacture - not necessarily the Vendor.
Paint Vendor
The supplier of paint and coating materials.
Paint Vendor’s Technical Data Sheet
Data sheet, published and maintained by the Paint Vendor, detailing the properties of the paint/coating materials and the requirements for their application. These data sheets also state the conditions for surface preparation prior to application of paint/coating materials and associated acceptance criteria.
Paint Vendor’s Health and Safety Data Sheet
Data sheet, published and maintained by the Paint Vendor, detailing the hazardous properties of the paint/coating materials and the health and safety requirements for their storage, preparation and application.
Painting Contractor
The company responsible for a defined piece of painting, coating or lining work.
7.2 Special Definitions Amplitude
Peak to valley height in a steel surface profile, usually after surface preparation.
Atmospheric Zone
That part of the structure above the splash zone.
Dew point
Temperature of an air-water mixture, at which condensation starts. ie where the mixture has reached water saturation point.
DFT
Dry Film Thickness (thickness of paint film in its dry cured state)
Holidays
Pinholes or small defects in a coating film that penetrate through the film to the underlying substrate.
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Micron
One thousandth part of a mm (μ).
Pot Life
The length of time a two-pack paint will remain usable, at a given temperature, after mixing.
Shop
Permanent enclosed facility used for painting/coating with temperature and humidity control.
Site
Place of new construction/repair painting and coating works for onshore or offshore projects. (Approved by PDO).
Submerged Zone
That part of a fixed offshore structure below the splash zone or that permanently wetted area below the water line of a floating vessel.
Surface Profile (Anchor Pattern)
The cross-section of a prepared steel surface. Measured distance from depth of troughs to tops of peaks on the blast cleaned surface. (Amplitude)
WFT
Wet Film Thickness (thickness of a wet paint film prior to evaporation of any solvent
Tidal zone
That part of a fixed offshore structure between + 2m above mean high water spring tide and the lowest level at which the preparation for, and application of, repair coatings is possible without recourse to underwater techniques
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7.3 Abbreviations
SP-1246
ACGIH
American Conference for Government Industrial Hygienists
ASTM
American Society for Testing and Materials
BS
British Standard
CFDH
Corporate Function Discipline Head
DIN
Deutsches Institut Für Normung
ISO
International Organisation for Standardisation
SHOC
Safety Handling of Chemicals
NACE
National Association of Corrosion Engineers
TA
Technical Authority
TPI
Third Party Inspection
UER
CFDH Materials and Corrosion
VOC
Volatile Organic Compound
WRC
Water Research Council
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Appendix B -
Version 2
Paint and Coating System Evaluation
8.1 Introduction Coating systems proposed by the Paint Vendors are to comply with the generic painting systems as specified in Parts 2 and 3 and may only be used if they can be demonstrated, by testing performed by an independent test house, to satisfy the performance criteria defined in this appendix. Each coating system must pass each of the criteria detailed in the tables shown in this appendix. In general the assessment guidelines used in ISO12944 and ISO 4628 have been used and the systems proposed should meet the requirements of medium durability with a life of 5-15 years before maintenance is required. The performance tests shall be carried out on samples coated from paint manufactured in a regular production batch and not from specially prepared laboratory samples. Test data shall be provided that verifies the composition of the coatings as detailed on the technical data sheets. For status of existing approved coatings refer to tables in Part 5. Systems with performance significantly in excess of that required by this Specification may be used, provided any additional capital expenditure associated with the enhanced performance can be justified on the basis of a lifecycle cost assessment.
8.2 Performance Tests 8.2.1
Test Schedule
The required tests for each system are defined in Table B1-to B7 8.2.2
Test Methods
The test methods for each of the tests listed in Tables B1 to B7 are defined in Table B8 8.2.3
Acceptance Criteria
The acceptance criteria for each evaluation test are defined in Table B1 to B7. To pass the coating system must pass all the acceptance criteria. 8.2.4
Means of Evaluation Following Test
After performing the tests the samples shall be evaluated by the methods shown in Tables B1 to B8 8.2.5
Application and Technical Information
Under the local prevailing site conditions, the coating systems shall be capable of being applied at the specified thickness using application equipment recommended by the Vendor. The coating so applied shall be of uniform thickness, free of runs, sags, blemishes, inclusions and holidays. The Vendor shall supply technical data relating to the following: All product data and all test data shall be supplied electronically in a read only format such as pdf. File. As part of qualification the Vendor shall provide test data that verifies the solids content and zinc content (if required) as detailed on the technical data sheets. The testing shall be done in accordance with ISO 3233 and ISO 3549. Solids content Specific gravity Flash point Pot life Mixing method and ratio Recommended wet and dry film thickness
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Identification of thinners and cleaners Theoretical/practical spreading rates (m2/litre) Application data, including spray pressure, nozzle tip sizes, hose lengths and diameter Health and Safety data 8.2.6
Notes to Tables B1– B8
RQD
Test required
N/R
Test not required
N/A
Not applicable
1. For New Construction: The coating system should be subjected to cyclic exposure and then evaluated against the specified requirements. For Maintenance and repair: The procedure is: -
apply a new coating (to be compatible with the selected maintenance coating) subject to cyclic exposure apply maintenance coating to a selected area conduct test to the specified requirements
Testing in this way qualifies the adhesion of new coating, adhesion of the maintenance system and overcoatability of new system. 2. 3. 4. 5.
Test to be conducted at manufacturers recommended maximum service temperature. Measurement of disbondment from X-cut to be carried out in accordance with annex A of ISO-12944-6 Test solution details and duration are given in table B8 Where CP is not proposed, ie as for GRE and glassflake coatings, cathodic disbondment qualification is not required. 6. Required for vessels only. Rate of depressurisation shall be at 5 bar per minute from 85 bar to 5 bar. 7. Coating system to have potable water certification. ie listed by Water Research Council/Water Byelaws Schemes (UK), KIWA, or compliance with BS6920. 8. Not required for coatings for submerged areas ie hulls of boats/SPM.
SP-1246
18
April 2010
Specification for Painting and Coating of Oil and Gas Production Facilities–Part - 1
Table B1 Structures
Version 2
Required Tests and Acceptance Criteria -External Onshore Above Ground
Tests and Parameters Measured
PCS-1 External A/G
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