1、Designation: D4538 13Standard 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 y
2、ear 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 terminology covers terms and their definitionsrelevant to the use of protective coatings in nuclear powerp
3、lants.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 in Li
4、ght-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 for
5、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 PlantsD5161
6、 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 SubstratesD5962 Guide for Maintaining Unqualified Coatings (Paints)Within Level I Areas of a
7、 Nuclear Power Facility (With-drawn 2008)32.2 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
8、 system for which a suitability for 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
9、radiation exposure to per-sonnel to levels “as low as reasonably achievable,” asdefined in the USNRC Regulatory Guide 8.8 and10CFR20.1(C). D5144blistering, nformation of bubbles in a coating (paint) film.See D16 (take out “ability to resist”). D3911boiling water reactor (BWR), nreactor in which the
10、watermoderator-coolant is boiled directly within the reactor coreand 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 app
11、lied coating or to the substrate.chemical spray, nsolution of chemicals that could be usedduring a loss of coolant accident (LOCA) to suppress theincident, to scavenge fission products, and to return thefacility to near-ambient conditions. D3911coating applicator, norganization or individual respons
12、iblefor applying a protective or decorative coating. D38431This 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.Current edition approved Nov. 1, 2013
13、. Published December 2013. Originallyapproved in 1986. Last previous edition approved in 2005 as D4538 051DOI:10.1520/D4538-13.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information
14、, 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 20401, http:/www.ac
15、cess.gpo.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1coating manufacturer, norganization responsible for manu-facturing coating materials. D3843Coating Service Level I, nterm used to describe areas insidethe reactor containmen
16、t where coating failure could ad-versely affect the operation of post-accident fluid systemsand, thereby, impair safe shutdown. D5144Coating Service Level II, nterm used to describe areasoutside the reactor containment where coating failure couldimpair, but not prevent, normal operating performance;
17、 thefunction of Coating Level II coatings is to provide corrosionprotection and decontaminability in those areas outside thereactor containment subject to radiation exposure and radio-nuclide contamination and Service Level II coatings are notsafety-related. D5144Coating Service Level III, nterm use
18、d to describe areasoutside the reactor containment where coating failure couldadversely affect the safety function of a safety-relatedstructure, system, or component (SSC). D5144coating system, npolymeric protective film consisting of oneor more coats, applied in a predetermined order by pre-scribed
19、 methods. D3843coating work, nan all-inclusive term to define all operationsrequired to accomplish a complete coating job; the term shallbe construed to include materials, equipment, labor, prepa-ration of surfaces, control of ambient conditions, applicationand repair of coating systems, and inspect
20、ion. D3843coating work inspection, nphase of quality control that, bymeans of examination, observation, or measurement, deter-mines the conformance of coating work to predeterminedquality requirements. D4537Code of Federal Regulations (CFR), nrules and regulationsof the U.S. Federal Government; the
21、code is subdivided intotitles, with Title 10 (10 CFR) applying to energy. D3843cracking, nformation of breaks in a coating film that extendthrough to the underlying surface.crawling, ndefect in which the wet film recedes fromlocalized areas of the substrate (usually caused by insuffi-cient wetting)
22、leaving those areas uncoated. D16curing, ntransformation of a coating or other material into asolid phase or film. D3911damp, adjmoist but not visibly wet.DBA qualified coating system, ncoating system used insidereactor containment that can be attested to having passed therequired laboratory testing
23、, including irradiation and simu-lated design basis accident (DBA), and has adequate qualitydocumentation to support its use as DBA qualified. D5144DBA unqualified coating system, ncoating system usedinside reactor containment that cannot be attested to havingpassed the required laboratory testing,
24、including irradiationand simulated DBA or has inadequate qualitydocumentation, or both, to support its use as DBA qualified.D5144deionized water, nwater prepared by an ion exchangeprocess meeting the requirements of Specification D1193,Types II and III. D3911delamination, nseparation of one coat or
25、layer from anothercoat or layer or from the substrate. D3911design basis accident (DBA), ngeneric term for any one ofa family of accident conditions that can result from postu-lated events.DISCUSSIONThese conditions are generally associated with therupture of high-energy piping. The more commonly re
26、cognized acci-dent conditions used to evaluate coating systems for primary contain-ment are the loss of coolant accident (LOCA) or main stream line break(MSLB). D3911deviation, ndeparture of a characteristic from establishedprocedures or specified requirements. D3843discontinuity, nvoid, crack, thin
27、 spot, foreign inclusion, orcontamination in the coating film that significantly lowersthe dielectric strength of the coating film (may also beidentified as a holiday). D4787, D5162documentation, nany written or pictorial informationdescribing, defining, specifying, reporting, or certifyingactivitie
28、s, procedures, or results. D3843engineered safety system, nsystem designed to mitigate theeffects of a design basis accident. D3911governing documents, ntechnical specifications, job-siteprocedures, and reference documents. D4227, D4228high-voltage spark tester, nelectrical device (in excess of800 V
29、) used to locate discontinuities in a nonconductiveprotective coating applied to a conductive substrate. D4787holiday, nsee discontinuity.holiday detector, ndevice that locates discontinuities in anonconductive coating film applied to a conductive surface.DISCUSSIONTwo types of holiday detector are
30、commonly used. Alow-voltage holiday tester is a low-voltage wet sponge electricaldetector. It is suitable to use for testing coating film less than 20 milsthick. A high-voltage spark tester is intended for linings in excess of 20mils. It should be used with caution on surfaces that have beenprevious
31、ly immersed, since such service can appreciably influence thedielectric properties of the lining and its ability to withstand the testvoltage.immersion service, nexposure to continuous or intermittentsubmerged conditions. D5161inspection, nphase of quality control which by means ofexamination, obser
32、vation, or measurement determines theconformance to predetermined quality requirements. D3843inspection agency, nperson, persons, or organization autho-rized by the owner or owners designee to verify and attestconformance of the coating work. D3843irradiation, nexposure to ionizing radiation. D3911l
33、ight-water nuclear reactor, napparatus, using light wateras a moderator, in which fissionable material is arrayed soD4538 132that controlled nuclear fission may be sustained in a self-supporting chain reaction. D3911lining, nparticular type of coating intended for protection ofsubstrates from corros
34、ion as a result of continuous orintermittent fluid immersion.loss of coolant accident (LOCA) conditions, nspecificconditions anticipated following a loss of coolant accidentthat would expose the coated surface of the containments ofa light-water nuclear power facility to the temperature-pressure env
35、ironmental parameters described. D3911low-voltage tester, nlow-voltage wet sponge electrical de-tector used to locate discontinuities in nonconductive liningsapplied to conductive substrates.DISCUSSIONThis test instrument is not suitable for testing linings inexcess of 20 mils. D4787mud-cracking, ni
36、rregular broken network of cracks in thefilm that occurs as a result of volatile loss while drying orcuring. D16nonconformance, ndeficiency in characteristic,documentation, or procedure that renders the quality of anitem unacceptable or indeterminate.DISCUSSIONExamples of nonconformances include: ph
37、ysicaldefects, test failures, incorrect or inadequate documentation, or devia-tion from prescribed processing such as improper surface preparation,coating application and curing, inspection, or test procedures. D3843owner, nperson, group, company, or corporation who has orwill have the license for t
38、he facility or installation. D3843owners designee, nperson or persons authorized by theowner to act in his behalf. D3843paintings/coatings, nessentially synonymous terms for liq-uid or paste materials consisting of pigments and fillersbound in a resin matrix that dry or cure to form a thin,continuou
39、s protective or decorative film. D3843pressurized-water reactor (PWR), nnuclear power reactordesign using water under high pressure asmoderator-coolant. D3911qualification, nskills, training, and experience required forpersonnel to perform properly the duties and execute theresponsibilities of the a
40、ppropriate certification level. D4537qualifying agents, ndesignated representatives of the owneror the coating organization, or both, who have sufficientexperience in the practical application and evaluation ofcoatings applied to steel surfaces or concrete surfaces of anuclear facility. D4227, D4228
41、quality assurance, nverifications of the conformance ofmaterials and methods of application to the governingspecifications to achieve the desired result. D3911reactor containment, nenclosure provided to protect theenvironment from the consequences of a nuclear incident.D3911safety-related coating sy
42、stem, ncoating system used insideor outside of the reactor-containment, the detachment ofwhich could adversely affect the safety function of asafety-related structure, system or component (SSC). D5144sag or sagging, vnonuniform downward flow of a wet paintfilm that occurs between the times of applic
43、ation and settingresulting in an uneven coating having a thick lower edge.DISCUSSIONThe sags usually occur at a local, thick area of a verticalfilm and may have the characteristic appearance of a draped curtain,hence the synonym “curtaining.” D16safety analysis report (SAR), ndocument of a nuclearpo
44、wer plant that maintains licensability. D5962severe service, ncorrosive/erosive environments includingcoastal salt-laden atmosphere, industrial atmosphere, andhigh-intensity sunlight. D5161training, nprogram developed to ensure that personnelreceive the knowledge and skills necessary for qualificati
45、on.D4537unqualified coating or paint, ncoating or coating systemthat cannot be attested to having passed the required labo-ratory testing, including irradiation and simulated DBA orimproper surface preparation, coating application and curingor lacks adequate quality documentation to support its use
46、asqualified. D5962vendor, nany individual or organization who furnishes itemsor service to a procurement document. D38434. Keywords4.1 coating; lining; nuclear power plant; paint; power gen-eration facilityThis standard is subject to revision at any time by the responsible technical committee and mu
47、st 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 comments will receive careful consideration at a meeting of th
48、eresponsible 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 copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C70
49、0, 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 ASTM website (www.astm.org/COPYRIGHT/).D4538 133
