1、Designation: D4227 05 (Reapproved 2017)Standard Practice forQualification of Coating Applicators for Application ofCoatings to Concrete Surfaces1This standard is issued under the fixed designation D4227; the number immediately following the designation indicates the year oforiginal adoption or, in t
2、he 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 practice provides a standard qualifying method forcoating applicators to verify
3、their proficiency and ability toattain the required quality for application of specified coatingsto concrete surfaces including those in safety-related areas in anuclear facility.1.2 Variations or simplifications of the practice set forthherein may be appropriate for special coating work such asmain
4、tenance. It is not the intent of this practice to mandate asingular basis for all qualifications.1.3 Evaluation of the coating applicator being qualified inaccordance with this practice, shall be by qualified agents asspecified in 4.1. Reports shall be prepared as specified inSection 5, and qualific
5、ation as specified in Section 6.1.4 It is the intent of this practice to judge only the ability ofthe coating applicator to apply specified coatings with theproper tools and equipment.1.5 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are for
6、information only.1.6 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 limitat
7、ions prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization Te
8、chnicalBarriers to Trade (TBT) Committee.2. Terminology2.1 Definitions:2.1.1 coating applicator, nan individual who has workedin the painting trade sufficiently long enough to master the useof all applicable tools and the materials being applied.2.1.2 governing documents, ntechnical specifications,j
9、obsite procedures, and reference documents.2.1.3 qualifying agents, nthe designated representatives ofthe owner or of the coating organization, or both, who havesufficient experience in the practical application and evaluationof coating applied to concrete surfaces.3. Application of Coatings3.1 This
10、 practice requires the coating applicator to apply thespecified coating in conformance to the governing documentsto a test area similar to that detailed in Fig. 1 and Fig. 2.Aphysical test area may be selected by the owner/representative.The test area shall simulate job conditions and acceptancecrit
11、eria shall be the specification requirement.3.1.1 Ceiling SectionBeginning at the wall line, one 5 by5-ft (1.5 by 1.5-m) coating.3.1.2 Wall SectionBeginning at the floor line, one 5 by 5-ft(1.5 by 1.5-m) coating.3.1.3 Floor SectionBeginning at the wall line and con-necting with the wall section, one
12、 5 by 5-ft (1.5 by 1.5-m)coating.3.2 This practice requires the coating applicator perform theapplication using the proper technique and application equip-ment consistent with the governing documents.3.3 The surfaces of the concrete test area shall be preparedin accordance with the governing documen
13、ts.3.4 The coating applicator shall demonstrate the ability toapply the specified coating to a uniform dry film thickness inaccordance with the governing documents, as evaluated by thequalifying agents.3.5 When desired by the owner, one of the test surfaces mayinclude embedded steel.3.6 If a coating
14、 system specified requires multiple coats,treat each coat as a separate application, allowing a specifieddrying time before applying each succeeding coat.3.7 The coating applicator shall be provided with thefollowing:1This practice is under the jurisdiction of ASTM Committee D33 on ProtectiveCoating
15、 and Lining Work for Power Generation Facilities and is the directresponsibility of Subcommittee D33.05 on Application and Surface Preparation.Current edition approved Sept. 1, 2017. Published September 2017. Originallyapproved in 1983. Last previous edition approved in 2012 as D4227 05 (2012).DOI:
16、10.1520/D4227-05R17.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 the
17、Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.13.7.1 Information regarding the specified coatingmaterial(s), including wet and dry film thickness required, andall other information contained in th
18、e governing documents forthe coating system being applied.3.7.2 Coating materials properly mixed in accordance withthe governing documents and ready for application.3.7.3 The necessary equipment for the proper application ofthe specified coating.3.7.4 Miscellaneous equipment, brushes, and thinners r
19、e-quired for cleaning the equipment after completion of the test.3.7.5 A practice area to adjust and test the equipment priorto performing the test.3.7.6 All necessary safety equipment.3.7.7 Wet-film thickness gage for verifying the coatingthickness during application.3.8 The coating applicator shal
20、l use the wet-film thicknessgage furnished to determine coating thickness buildup duringapplication. Material thickness is one of the criteria forevaluation.4. Evaluation of Coating Application4.1 Evaluation of the coating applicator shall be made bytwo qualifying agents. Only one qualifying agent c
21、an beproduction-related.4.2 The qualifying agents shall be capable of answeringtechnical questions requested by the coating applicator relatingto the application of the specified coating material(s). Thequalifying agents shall be thoroughly familiar with the speci-fied coating material(s) and accept
22、ance criteria and shall beaware of any difficulties in applying the coating to any surface.4.3 The qualifying agents shall have a wet-film gage of thesame type used by the coating applicator.4.4 The qualifying agents shall take approximately 16wet-film thickness readings on the test areas. These rea
23、dingsshall be recorded as specified in Section 5. The wet-filmthickness readings shall be used to verify the specified dry-filmthickness requirements and uniformity of application. Thenumber and location of readings shall be as indicated in Fig. 3.4.5 The coating applicator and the qualifying agents
24、 shallunderstand the required dry-film thickness range requirementsof the governing documents before any coatings are applied.4.6 Qualifying agents shall inspect the finished surface toverify that it conforms to the requirements of the governingdocuments. A description of the appearance of the compl
25、etedapplied coating shall be recorded on the form shown in Fig. 4.5. Report5.1 The qualifying agents shall use a report form similar tothat in Fig. 4 to record wet-film thickness readings specified in4.4 and the appearance of the completed coating surface asspecified in 4.6.5.2 The qualifying agents
26、 and coating applicator shall signthe report form.5.3 The generation of documentation and maintenance ofrecords shall be as delineated in the applicable project docu-ments.6. Initial Qualification6.1 The qualifying agents shall prepare a qualification formsimilar to Fig. 5. The qualification form sh
27、all state the coatingmaterials used and the application equipment used in the test.6.2 The qualifying agents and the coating applicator shallsign the qualification form.7. Requalification7.1 The owner or his designated representative may deter-mine the degree of requalification to be permitted, as w
28、ell asthe acceptance of previously qualified coating applicatorsbased on time interval since the date of the qualification andprovided the same coating materials and application proce-dures are used. Note the acceptance of previous qualification inthe quality assurance file for the project.8. Limite
29、d QualificationsTouch Up and Repair8.1 Limited qualifications can be accomplished using onlyareas representative of the actual plant surfaces, even thoughthey do not include all areas represented by Fig. 1 and Fig. 2.FIG. 1 Concrete Ceiling Test AreaFIG. 2 Concrete Wall and Floor Test AreaFIG. 3 Loc
30、ation of Wet-Film Thickness ReadingsD4227 05 (2017)29. Limited QualificationsBrushes, Rollers, Squeegees,or Other Special Tools9.1 Limited qualifications for special application tools maybe required on certain projects. When such limited qualifica-tion is performed, the limitations shall be noted on
31、 the recordsfor qualification and application.10. Keywords10.1 applicator; qualifications, (initial, limited); qualifyingagents; report; requalificationsTest Application of Coating to Standard Concrete Test Areas by Coating Applicator for Qualification for Coating of Concrete SurfacesType of Recordi
32、ng Instrument for Wet-Film (WFT) Thickness:WFT Reading No. Floor Test Area Wall Test Area Ceiling Test Area1. _ _ _2. _ _ _3. _ _ _4. _ _ _5. _ _ _6. _ _ _7. _ _ _8. _ _ _9. _ _ _10. _ _ _11. _ _ _12. _ _ _13. _ _ _14. _ _ _15. _ _ _16. _ _ _Description of Materials:Qualifying Agent:Qualifying Agent
33、:Date Coating Applicator:FIG. 4 Record Form for Test ApplicationCoating Applicator Qualification for Application of Coatings to Concrete SurfacesCoating Applicators Name:Location (Site):Qualifying Agents:1. Representing:2. Representing:Coating System:Manufacturer:Type of Application Equipment:Commen
34、ts:The above applicant has been qualified as a Coating Applicator for the application of the above coatings for concrete surfaces.Qualifying Agent:Qualifying Agent:Date: Coating Applicator:FIG. 5 Qualification FormD4227 05 (2017)3ASTM International takes no position respecting the validity of any pa
35、tent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revisio
36、n at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your com
37、ments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyright
38、ed by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 05 (2017)4
