Document: NUREG-0800
Document ID: 4b0fa4a0-ce32-4f59-9360-9426826a668c
Document Type: srp
Title: Rev. 4 — June 1997
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0525/ML052500496.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7
CFR Part: 
CFR Title: 

Content:
ints used to allow operation with reactor coolant pumps out of service. Rev. 4 — June 1997 SRP 7.1-B-9 17. Section 4.16 — Completion of a Protective Action Once it is Initiated The Staff review of this item should include review of functional and logic diagrams to ensure that "seal-in" features are provided to enable system-level protective actions 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. 18. Section 4.17 — Manual Initiation Features for manual initiation of protective action should conform with Reg. Guide 1.62, "Manual Initiation of Protection Action." The review of manual controls should be coordinated with the Human Factors Assessment Branch (HHFB) 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. The review of manual controls should include confirmation that the controls will be functional (e.g., power will be available and command equipment is appropriately qualified) during plant conditions under which manual actions may be necessary. 19. Section 4.18 — Access to Setpoint Adjustments, Calibrations, and Test Points The review of access control should confirm that design features provide the means to control physical access to protection system equipment, including access to test points and means for changing setpoints. Typically such access control includes provisions such as alarms and locks on safety system panel doors, or control of access to rooms in which safety system equipment is located. 20. Section 4.19 — Identification of Protective Actions Section 4.20 — Information Read-Out The review of information displays should be coordinated with the SRXB to confirm that