Document: NUREG-0800
Document ID: 21b37b7c-b45c-4247-b4a5-c2f28df75be4
Document Type: srp
Title: INSTRUMENTATION AND CONTROLS (Tier 1)
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070663.pdf
Revision Date: 2023-06
Chapter: 14
Section ID: 14.3.5
CFR Part: 
CFR Title: 

Content:
jected to an electromagnetic environment that is characteristic of the plant environment. An EMI compliance plan to confirm the level of immunity to DRAFT Rev. 0 - April 1996 14.3.5-6 electrical noise should be included in the design, installation, and testing of I&C equipment. Refer to SRP Section 7.1 for EMI review criteria. C. Setpoint Methodology Tier 1 should address the process to ensure that setpoints for initiation of safety-related functions are determined, documented, installed, and maintained. The process (the instrument setpoint methodology) may establish a program for specifying requirements for documenting the bases for selection of trip setpoints, accounting for instrument loop inaccuracies, response testing, and maintenance or replacement of instrumentation. Reference SRP Chapter 7 BTP-HICB-12 for review criteria. D. Equipment Qualification of I&C Components Tier 1 should address the process to ensure that qualification of safety-related I&C equipment is able to complete its safety-related function under the environmental conditions that exist up to and including the time the equipment has finished performing that function. An equipment qualification program may be established that ensures qualification specifications consider conditions that exist during normal, abnormal, harsh and mild environments, and design-basis accident events in terms of their cumulative effect on equipment performance for the period up to the end of equipment life. Equipment qualification includes the qualification of isolation devices as described in SRP Chapter 7 BTP-HICB-11. 5. Software Development: In general, Tier 1 should discuss the following elements of software development. A software QA (SQA) plan describes the software-specific activities that are to be performed and controlled in addition to the approved QA plan (in accordance with 10 CFR Part 50, Appendix B, "Quality Assurance Criteria for Nuclear Power Plants and Fuel Reprocessing Plants") for the total ABWR