ASTM_D_3276_-_15.pdf

Designation:D327615Standard Guide forPainting Inspectors(Metal Substrates)1This standard is issued under the fixed designation D3276;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is intended as an information aid to paintinginspectors in carrying out their task efficiently.It includes thekey elements of surface preparation,coatings application,andfinal approval for both field and shop work.The items shouldbe selected that are pertinent to the specification of a particularjob.NOTE1For additional helpful information,refer to the followingdocuments:Manual of Coating Work for Light-Water Nuclear Power Plant PrimaryContainment and Other Safety-Related Facilities2New Concepts for Coating Protection of Steel Structures3D16 Terminology for Paint,Related Coatings,Materials,and Applica-tions4D4538 Terminology Relating to Protective Coatings and Lining Workfor Power Generation Facilities4Steel Structures Painting Manual Vol 1 Good Painting Practice6Steel Structures Painting Manual Vol 2 Systems and Specifications6Manufacturers Specifications and Instructions(made available to theinspector for reference to special requirements for proper application)Safety Data Sheets(needed to ensure that personnel take necessaryprecautions in handling hazardous materials).Available from Materialsmanufacturer.1.2 Certain industries or owners may require certified in-spection personnel.See Guide D4537 for establishing proce-dures to certify inspectors for coatings work in nuclearfacilities.1.3 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5 This guide is arranged in the following order:SectionReferenced Documents2ASTM Standards2.1OSHA Standards2.2Steel Structures Painting Council Publications2.3International Standards Organization(ISO)2.4ASTM Adjuncts2.6Significance and Use3Preparation for Inspection4Surface Preparation Methods and Requirements5Surface Preparation5.1Pictorial Standard D22005.1.1Factors Affecting Coating Performance5.2Cleanliness5.2.1Mill Scale5.2.2Surface Profile5.2.3Sharp Edges5.2.4Cleaning Procedures5.3Chemical Cleaning5.3.1Solvent Vapor Cleaning5.3.1.1Hand Tool Cleaning5.3.2Power Tool Cleaning5.3.3Power Tool Cleaning to Bare Metal5.3.4Commercial Grade Power Tool Cleaning5.3.4.4Blast Cleaning5.3.5Pressurized Water Cleaning5.3.6Cleaning and Preparation of Various Surfaces5.4Steel Surfaces5.4.1Galvanized Surfaces5.4.2Aluminum Surfaces5.4.3Precautions in Preparing Unpainted and PreviouslyPainted Surfaces5.4.4Inspection of Surfaces Prior to Field Painting5.5New Construction5.5.1Maintenance Repainting5.5.2Coating Storage and Handling6Storage of Coating and Thinner6.1Mixing of Coatings6.2Thinning6.3Initial Samples6.3.1Thinning of Coating6.3.2Sampling of Thinned Coating6.3.3Heating of Coating6.4Weather Considerations7Drying7.1Low Temperature7.2High Temperature7.3Moisture7.4Wind7.5Coating Application8Residual Contaminants8.1Quality Assurance8.2Film Defects8.2.11This guide is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.46 on Industrial Protective Coatings.Current edition approved July 1,2015.Published September 2015.Originallyapproved in 1973.Last previous edition approved in 2007 as D3276 07.DOI:10.1520/D3276-15.2ASTM,1979.3ASTM STP 841,ASTM,1984.4For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.6Available from Society for Protective Coatings(SSPC),40 24th St.,6th Floor,Pittsburgh,PA 15222,http:/www.sspc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Brush Application8.3Spray Application8.4Roller Application8.5Miscellaneous Methods8.6Rate of Application8.7Additional Considerations9Ventilation9.1Shopcoat Repair9.2Painting Schedule9.3Film Integrity9.4Recoat Time9.5Coating System Failure9.6Inspection Equipment10General10.1Surface Profile Gages10.1.1Adhesion of Existing Coating10.1.2Portable Pull-Off Adhesion Testers10.1.3Field Inspection Equipment10.2Drying and Curing Times10.2.1Thermometers10.2.1.1Relative Humidity and Dew Point10.2.1.2Wet-Film Thickness Gages10.2.2Interchemical Gage10.2.2.1Notched Gage10.2.2.2Dry-Film Thickness Gages10.2.3Nondestructive Film