09-SAMSS-068

March 26, 2018 | Author: Moustafa Bayoumi | Category: Specification (Technical Standard), Paint, Epoxy, Adhesive, Concrete


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Materials System Specification09-SAMSS-068 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried or Immersion Services (APCS-3) for Steel & Concrete Document Responsibility: Paints and Coatings Standards Committee Saudi Aramco DeskTop Standards Table of Contents 1 2 3 4 5 6 Scope............................................................. 2 Conflicts and Deviations................................. 2 References..................................................... 3 General Requirements................................... 4 Qualification Tests and Requirements........... 4 Method of Packaging..................................... 8 Previous Issue: 28 June 2009 Next Planned Update: 28 June 2014 Revised paragraphs are indicated in the right margin Primary contact: Khashram, Maher Saud on 966-3-8760261 Copyright©Saudi Aramco 2011. All rights reserved. Page 1 of 7 or other vendors of coating products. Dhahran. 1. Consulting Services Department of Saudi Aramco. This specification should also not be included with purchase orders or requisitions for coated items or equipment when a Saudi Aramco approved protective coating system has been specified. industry codes and standards. Purchase orders or requisitions for coating products that have been previously qualified per this specification. Saudi Aramco Engineering Standards (SAESs). Direct all requests to deviate from this specification in writing to the Company or Buyer Representative. 1.Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete 1 Scope This Specification defines the minimum mandatory requirements for qualifying coal tar epoxy coating products for use in Saudi Aramco's Approved Protective Coating System APCS-3 on steel and concrete. and Saudi Aramco Standard Drawings (SASDs) and Forms shall be resolved in writing by the Company or Buyer Representative through the Manager.1 Any conflicts between this specification and other Saudi Aramco Materials System Specifications (SAMSSs).2 Purchase Requisitions/Purchase Orders This specification shall be attached to Purchase Requisitions or Purchase Orders when those documents address the procurement of coating products that have not been previously qualified in accordance with this specification. that wish to obtain initial approval for products that have not previously been qualified in accordance with this specification. It shall be given to the organization conducting the compliance tests. and should not be included with. Dhahran. 2. Consulting Services Department of Saudi Aramco. 2 Conflicts and Deviations 2. It shall be used when any of the following situations occur: 1. This specification does not apply to.2 Page 2 of 7 . who shall follow internal company procedure SAEP-302 and forward such requests to the Manager.1 Initial Product Approval This specification shall be given to coating manufacturers.3 Periodic Product Compliance Checks This specification may be used for periodic product compliance checks on previously approved coatings. 1 Saudi Aramco Documents Saudi Aramco Engineering Procedure SAEP-302 Instructions for Obtaining a Waiver of a Mandatory Saudi Aramco Engineering Requirement Saudi Aramco Materials System Specification 09-SAMSS-060 Packaging Requirements for Coatings Saudi Aramco Engineering Standard SAES-H-101 APCS-3 3. Curing or Film Formation of Organic Coatings at Room Temperature Package Stability of Paint Pull-off Strength of Coatings Using Portable Adhesion Testers Cathodic Disbonding of Pipeline Coatings Subjected to Elevated or Cyclic Temperatures Coal-Tar Epoxy Coating for Immersion Service National Association of Corrosion Engineers NACE TM0174 Laboratory Methods for the Evaluation of Protective Coatings and Lining Materials in Immersion Service The Society for Protective Coatings SSPC PA 2 Measurement of Dry Coating Thickness with Page 3 of 7 .Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete 3 References Materials or equipment supplied to this specification shall comply with the latest edition of the references listed below. 3. unless otherwise noted.2 Industry Codes and Standards American Society for Testing and Materials ASTM A36 ASTM D610 ASTM D714 ASTM D1640 ASTM D1849 ASTM D4541 ASTM G42 Structural Steel Evaluating Degree of Rusting on Painted Steel Surfaces Evaluating Degree of Blistering of Paints Drying. Prior to preparing the surface.3 4.4 5 Qualification Tests and Requirements 5. the coating supplier must submit a certified test report documenting to the RSA that the proposed coating system meets the qualification tests and requirements of this SAMSS. the condition of the test panel shall be equivalent to SSPC . Page 4 of 7 . Preparation and testing shall be performed and/or witnessed by an independent laboratory or inspection agency.1 Test Panel Preparation 5. This report shall be submitted to the Saudi Aramco RSA for review and approval if the data presented by the Supplier satisfied all the requirements. Certified test report of the coal tar epoxy coatings for soil buried concrete or for internal oily water sump up to 70°C shall include tests on water permeability.Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete Magnetic Gages SSPC .1 Test panels shall be ASTM A36 hot rolled steel approximately 100 mm X 150 mm.2 For purposes of this specification the Buyer's Representative shall be the Responsible Standardization Agency Representative (RSA).Guide to VIS 1 SSPC SP 10 Swedish Standards Institute SIS Sa 2-½ Very Thorough Blast Cleaning Pictorial Surface Preparation Standards for Painting Steel Surfaces Near-white Metal Blast International Concrete Repair Institute (ICRI) Technical Guide 03730 Guide for Surface Preparation for the Repair of Deteriorated Concrete Resulting from 4 General Requirements 4. adhesion value. chemical tests.1 4. crack bridging value. Adherent Mill Scale.1.Guide to VIS 1 Rust Grade A. In order to qualify a coating system as acceptable under this specification. The minimum thickness of the test panel shall be 5 mm. surface preparation requirement 4. All initial product qualification tests and any other laboratory tests that Saudi Aramco sees necessary to qualify this product shall be carried out at no cost to Saudi Aramco. 1.1 5.600 micrometers.2.1.2.1. Dry film thickness shall be measured and recorded in accordance with SSPC PA 2.4 Abrasive blast the test panels to near white metal. intercoat adhesion. The surface preparation of concrete shall be in accordance to technical guide ICRI 03730.1.1 Package Stability of Paint When stored at 52°C ± 1°C for 6 months in accordance with ASTM D1849.2 Prepare test panels as in Section 5. lumps or steaks 0 10 6 or better 8 or better Adhesion Test 5. 5.1. The profile of the blasted surface shall be 65-100 micrometers.2 Weight loss Skinning.Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete If coal tar epoxy coating for concrete.1. Coatings shall be mixed. the sample shall meet the following requirements: a) b) c) d) 5. pressure and corrosion Settling Grains.2.5 Holding Primer Coating systems employing a holding primer shall be tested as a complete system.2.2. Cure the panel at a temperature of 25ºC ± 2°C for 7 days.4. Determine the adhesion of the prime coat to the substrate. the panel shall be concrete coupons.2 5. Total coating thickness for concrete: 750 micrometer (30 mils) 5. 5.2 Physical Properties Tests 5.3 5. applied and cured in accordance with the Vendor's recommendations. Apply the holding primer at the thickness recommended by the manufacturer.2. and shall meet the following requirements: Each coat for steel: 300 micrometers maximum per coat Total coating thickness for steel: 400 . Then apply and cure the topcoats in accordance with paragraph 5. SSPC SP 10 (SIS Sa 2-½). or cohesion of any coat of the painting system Page 5 of 7 . 3. A one-to-one mixture of mineral spirits and brine (5% by weight sodium chloride in distilled water).3 Performance Tests 5. 5. Procedure B-Immersion Testing and shall be exposed to the following test conditions: a) Reagent Grade Distilled Water which meets the requirements of ASTM D1193.3.2. Allow the adhesive to cure as directed by the adhesive supplier. Type I.2.2 5.Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete by using an adhesion tester. Test solution temperature shall be 70°C ± 2°C.1.3 Test panels shall be prepared in accordance with paragraph 5. the dry-through (or dryto-handle) time shall be 12 hours or less and the dry-to-recoat time shall be in accordance with Vendor's published data sheets. The average shall be at least 2750 kPa (400 psi). in accordance with ASTM D4541. Make a minimum of three trials and report the average. Scribe the coating and adhesive around the dolly prior to testing.6 Usable Pot life At 40°C.1. The fully cured coating shall be tested per NACE TM0174.1 5. 450 kg capacity.1 Immersion Tests 5. 5. Test solution Page 6 of 7 b) . Lightly sand the coated surface and aluminum dolly and apply an epoxy adhesive.5 Cure Time The paint shall cure completely within 7 days at a temperature of 20°C. creep or run.3 Spray Properties The ready mixed paint shall be easily applied at 300 micrometers to a vertical surface with no tendency to sag.4 Drying Times When tested in accordance with ASTM D1640. 5. 5. the viscosity of the ready-mixed paint shall remain within the range recommended by the manufacturer for spray ability without additional thinning for not less than 1 hour.3.2.2. 5. All tests shall be performed in duplicate.1.1.3. elongation value. and reissued with minor changes.2.1 except that the total dry film thickness shall not exceed 450 micrometers (18 mils).1 5.2 Prepare test panels as in Section 5. 5. surface preparation requirement.3. the coating systems shall be evaluated for and shall meet the following criteria: Standard ASTM D714 Evaluating Degree of Blistering of Paints ASTM D610 Evaluating Degree of Rusting on Painted Steel Surfaces NACE TM0174 (paragraph 6. 6 Method of Packaging Coating shall be packaged in accordance with 09-SAMSS-060. there shall be no disbonding of the coating after thirty (30) days.2 Cathodic Disbondment Test 5. Editorial revision to remove the committee members list. 5. Page 7 of 7 .3 test condition a) and b).2.2. adhesion value. After conditioning in laboratory for seven days there shall be no difference. 28 June 2009 13 July 2011 Revision Summary Revised the “Next Planned Update”.Document Responsibility: Paints and Coatings Standards Committee 09-SAMSS-068 Issue Date: 13 July 2011 Qualification Requirements for Coal Tar Epoxy in Buried Next Planned Update: 28 June 2014 or Immersion Services (APCS-3) for Steel & Concrete temperature shall be 70°C ± 2°C.4 At the conclusion of six months exposure.1.3.3 Coating Testing Requirement for Concrete Submit certified test reports for review by CSD of the coal tar epoxy coatings for soil buried concrete or for internal oily water sump up to 70°C shall include tests on water vapor permeability.4) Hardness and Adhesion Acceptable Rating No blisters 9 or better The coating shall show no more than a two pencil hardness difference and adhesion between wet and dry portions of the panel shall be similar.3.1. crack bridging value.3. 5. chemical and water immersion tests following paragraph 5. When tested in accordance with ASTM G42 at 70°C. Reaffirmed the contents of the document.3.3.
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