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Significance and Use
4.1 Establishment of an in-service linings monitoring program permits planning and prioritization of lining maintenance work as needed to maintain lining integrity and performance in nuclear Coating Service Level III systems. Refer to ASTM MNL-8, Manual on Maintenance Coatings for Nuclear Power Plants,7 and Guide D7230, which provides guidance for selecting lining materials for new construction or maintenance of safety-related lining systems.
4.2 A linings monitoring program enables early identification and detection of potential problems in lining systems. Some Coating Service Level III lining systems may be known in advance to be suspect, deficient, or degraded. Monitoring lining performance will assist in developing follow-up procedures to resolve any significant deficiency relative to lining work.
4.3 Degraded linings may generate debris under normal operation and testing or during upset conditions that could adversely affect the performance of safety-related systems. In most cases, the consequence of the debris generation is flow blockage, essential heat transfer reduction, or both; ultimately leading to degradation of equipment or system performance. A linings monitoring program may be required to fulfill licensing commitments for Coating Service Level III lining work.
1.1 This guide covers procedures for establishing a program to monitor the performance of Coating Service Level III lining (and coating) systems in operating nuclear power plants. Monitoring is an ongoing process of evaluating the condition of the in-service lining systems.
1.2 Coating Service Level III lining systems subject to this guide are generally those applied to metal substrates comprising raw water, condensate-quality water, or fuel oil wetted (that is, full or intermittent immersion) surfaces in systems that may include:
1.3 It is the intent of this guide to provide a recommended basis for establishing a linings monitoring program, not to mandate a singular basis for all programs. Variations or simplifications of the program described in this guide may be appropriate for any given operating nuclear power plant depending on its licensing commitments. Similar guidelines may be applicable for certain Coating Service Level II applications such as fluid immersion systems.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D610 Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
D714 Test Method for Evaluating Degree of Blistering of Paints
D1186 Test Methods for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to a Ferrous Base
D1400 Test Method for Nondestructive Measurement of Dry Film Thickness of Nonconductive Coatings Applied to a Nonferrous Metal Base
D3359 Test Methods for Measuring Adhesion by Tape Test
D4537 Guide for Establishing Procedures to Qualify and Certify Personnel Performing Coating and Lining Work Inspection in Nuclear Facilities
D4538 Terminology Relating to Protective Coating and Lining Work for Power Generation Facilities
D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers
D6677 Test Method for Evaluating Adhesion by Knife
D7108 Guide for Establishing Qualifications for a Nuclear Coatings Specialist
D7230 Guide for Evaluating Polymeric Lining Systems for Water Immersion in Coating Service Level III Safety-Related Applications on Metal Substrates
F1130 Practice for Inspecting the Coating System of a Ship
ANSI /ASME StandardsANSI/ASMENQA-1 Quality Assurance Requirements for Nuclear Facility Applications
SSPC StandardSSPC-VIS2 Standard Method of Evaluating Degree of Rusting on Painted Steel Surfaces
U.S. Nuclear Regulatory Commission DocumentsGenericLetter89-13 Service Water System Problems Affecting Safety-Related Equipment
ICS Number Code 27.120.20 (Nuclear power plants. Safety)
UNSPSC Code 73181100(Coating services)