Document: NUREG-0800
Document ID: 9bcad4cd-a055-4dc1-9315-db9d703e6f6f
Document Type: srp
Title: ENVIRONMENTAL QUALIFICATION OF MECHANICAL AND ELECTRICAL
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1634/ML16343A167.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.11
CFR Part: 
CFR Title: 

Content:
the specification must also contain the internal service conditions of the component. A certificate of compliance provides documentation that the equipment is capable of performing its design function under the applicable environmental conditions. 22. The applicable documentation for the environmental design and qualification of safety- related mechanical, electrical, and I&C equipment must be in accordance with the Quality Assurance Program per 10 CFR 50, Appendix B and 10 CFR 50.49(j). 23. A well-supported maintenance/surveillance program, in conjunction with a good preventive maintenance program, is needed to provide assurance that the environmental design and qualification status of equipment in both mild and harsh environments will be maintained during the operational life of the plant. The applicant should specify in its DCD/FSAR that the environmental qualification (EQ) operational program shall contain 3.11 -16 Draft Revision 4 – December 2017 the following aspects specific to the environmental qualification of mechanical and electrical equipment: (1) evaluation of environmental qualification results for design life to establish activities to support continued environmental qualification; (2) determination of surveillance and preventive maintenance activities based on environmental qualification results; (3) consideration of environmental qualification maintenance recommendations from equipment vendors; (4) evaluation of operating experience in developing surveillance and preventive maintenance activities for specific equipment; (5) development of plant procedures that specify individual equipment identification, appropriate references, installation requirements, surveillance and maintenance requirements, post-maintenance testing requirements, condition monitoring requirements, replacement part identification, and applicable design changes and modifications; (6) development of plant procedures for reviewing equipment performance and environmental