Document: NUREG-0800
Document ID: 823e391d-388d-4df0-bcc0-7df2a1c98db9
Document Type: srp
Title: B-10
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1515/ML15159A226.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.1
CFR Part: 
CFR Title: 

Content:
ons to go to completion. The seal-in feature may incorporate a time delay as appropriate for the safety function. Additionally, the seal-in feature need not function until it is confirmed that a valid protective command has been received, provided the system meets response time requirements. 4.17. Manual Initiation (IEEE Std 279-1971, Clause 4.17) Features for manual initiation of protective action should conform with RG 1.62, “Manual Initiation of Protection Actions.” The review of manual controls should be coordinated with the organization responsible for the review of human factors to confirm that the functions controlled and the characteristics of the controls (e.g., location, range, type, and resolution) allow plant operators to take appropriate manual actions.