ASTM_D_6237_-_19.pdf

Designation:D623719Standard Guide forPainting Inspectors(Concrete and Masonry Substrates)1This standard is issued under the fixed designation D6237;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 the 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 a specific project.NOTE1For additional helpful information,refer to the followingdocuments:Manual of Concrete Practice ACI 515R American Concrete Institute2Manual of Coating Work for Light Water Nuclear Power Plant PrimaryContainment and Other Safety Related Facilities3C811 Practice for Surface Preparation of Concrete for Application ofChemical-Resistant Resin Monolithic Surfacings4Steel Structures Painting Manual Vol.1-Good Painting Practices5Steel Structures Painting Manual Vol.2-Systems and Specifications5Manufacturers 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 coating work in nuclear facilities.SSPC offers a training and certification program for concretecoating inspection.51.3 In certain cases the inspector may be required to assessthe condition of the concrete substrate.SSPC has published anillustrated guide for performing a concrete condition assess-ment.51.4 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.5 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.6 This guide is arranged in the following order:SectionReferenced Documents2ASTM Standards2.1OSHA Standards2.2ICRI Standards2.3SSPC Standards2.4Significance and Use3Preparation for Inspection4Surface Preparation Methods and Requirements5Surface Preparation5.1Factors Affecting Coating Performance5.2Surface Condition5.2.1Cleanliness5.2.2Moisture5.2.3Surface Preparation Procedures5.3Dry Surface Cleaning5.3.1Water and Steam Cleaning5.3.2Mechanical Tool Cleaning5.3.3Hand Tool Cleaning5.3.3.1Power Tool Cleaning5.3.3.2Scarifying Machines5.3.3.3Pre-and Post-Surface Preparation5.3.3.4Finished Surface5.3.3.5Blast Cleaning5.3.4Water Blast Cleaning5.3.5Acid Etching5.3.6Precautions in Preparing Unpainted andPreviously Painted Surfaces5.4Inspection of Surfaces Prior to Field Painting5.5New Construction5.5.1Maintenance Repainting5.5.2Cracks and Voids6Cracks6.1Cracks in Concrete6.1.1Joints in Concrete6.1.2Voids6.2Recoat Intervals6.3Coating Storage and Handling7Storage of Coating and Thinner7.1Mixing of Coatings7.2Thinning7.3Thinning of Coating7.3.1Heating of Coating7.4Ambient Condition Considerations8Drying8.1Low Temperature8.2High Temperature8.3Moisture8.4Wind8.5Coating Application91This 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 Sept.1,2019.Published September 2019.Originallyapproved in 1998.Last previous edition approved in 2015 as D6237 09(2015).DOI:10.1520/D6237-19.2Available from American Concrete Institute(ACI),P.O.Box 9094,FarmingtonHills,MI 48333-9094,http:/www.concrete.org.3ASTM,1979.4For 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.5Available from SSPC:The Society for Protective Coatings,800 TrumbullAvenue,Pittsburgh,PA 15205,http:/www.sspc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 Residual Contaminants9.1Quality Assurance9.2Film Defects9.2.1Brush Application9.3Spray Application9.4Roller Application9.5Miscellaneous Methods9.