1、Designation:D453821Standard Terminology Relating toProtective Coating and Lining Work for Power GenerationFacilities1This standard is issued under the fixed designation D4538;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year o
2、f 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 terminology covers terms and their definitionsrelevant to the use of protective coatings in nuclear powerplants.1.2
3、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 TechnicalBarriers to Trad
4、e(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D16 Terminology for Paint,Related Coatings,Materials,andApplicationsD1193 Specification for Reagent WaterD3843 Practice for Quality Assurance for Protective Coat-ings Applied to Nuclear FacilitiesD3911 Test Method for Evaluating Coatings Used
5、 in Light-Water Nuclear Power Plants at Simulated Design BasisAccident(DBA)ConditionsD4227 Practice for Qualification of Coating Applicators forApplication of Coatings to Concrete SurfacesD4228 Practice for Qualification of Coating Applicators forApplication of Coatings to Steel SurfacesD4537 Guide
6、for Establishing Procedures to Qualify andCertify Personnel Performing Coating and Lining WorkInspection in Nuclear FacilitiesD4787 Practice for Continuity Verification of Liquid orSheet Linings Applied to Concrete SubstratesD5144 Guide for Use of Protective Coating Standards inNuclear Power PlantsD
7、5161 Guide for Specifying Inspection Requirements forCoating and Lining Work(Metal Substrates)(Withdrawn2013)3D5162 Practice for Discontinuity(Holiday)Testing of Non-conductive Protective Coating on Metallic SubstratesD5367 Practice for Evaluating Coatings Applied Over Sur-faces Treated With Inhibit
8、ors Used to Prevent FlashRusting of Steel When Water or Water/Abrasive BlastedD5962 Guide for Maintaining Unqualified Coatings(Paints)Within Level I Areas of a Nuclear Power Facility(With-drawn 2008)3D7491 Guide for Management of Non-Conforming Coatingsin Coating Service Level I Areas of Nuclear Pow
9、er Plants2.2 Other Documents:4USNRC Regulatory Guide 8.8 Ensuring Occupational Ra-diation Exposure ALARA at Nuclear Power Stations10CFR20.1 Standards for Protection Against Radiation3.Terminologyacceptable coating or lining system,nsafety-related coat-ing or lining system for which a suitability for
10、 applicationreview that meets the plant licensing requirements has beencompleted and there is reasonable assurance that,whenproperly applied and maintained,the coating or lining willnot detach under normal or accident conditions.D5144ALARA,nconcept of reducing radiation exposure to per-sonnel to lev
11、els“as low as reasonably achievable,”asdefined in the USNRC Regulatory Guide 8.8 and10CFR20.1(C).D5144blistering,nthe formation of raised areas in the appliedcoating film resulting from local loss of adhesion withsubsequent lifting of the film from the underlying surface.D3911boiling water reactor(B
12、WR),nreactor in which the watermoderator-coolant is boiled directly within the reactor core1This terminology is under the jurisdiction of ASTM Committee D33 onProtective Coating and Lining Work for Power Generation Facilities and is the directresponsibility of Subcommittee D33.92 on Definitions.Curr
13、ent edition approved Feb.1,2021.Published February 2021.Originallyapproved in 1986.Last previous edition approved in 2015 as D4538 15.DOI:10.1520/D4538-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStan
14、dards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 204
15、01,http:/www.access.gpo.gov.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
16、theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1and the pressure in the reactor vessel is only slightly greaterthan the steam turbine pressure.D3911certification,nwritten documentation of qualification.checking,nslight breaks in the film that do not penetrate tothe previously applied coating or to the substrate.chemical spray,nsolution of chemicals that could be usedduring a loss of coolant acc
