Document: NUREG-0800
Document ID: b4dc2da5-bdfa-4120-9cf3-b2918a366a3e
Document Type: srp
Title: CONTROL ROOM AREA VENTILATION SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052350557.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.4.1
CFR Part: 
CFR Title: 

Content:
ility. Rev. 2 - July 1981 USNRC STANDARD REVIEW PLAN Standard review plans are prepared for the guidance of the Office of Nuclear Reactor Regulation staff responsible for the review of applications to construct and operate nuclear power plants. These documents are nade available to the public as part of the Commission's policy to Inform the nuclear Industry and the general public of regulatory procedures and policies. Standard review plans are not substitutes for regulatory guides or the Commission's regulations and compliance with them Is not required. The standard review plan sections are keyed to the Standard Format and Content of Safety Analysis Reports for Nuclear Power Plants. Not all sections of the Standard Format have a corresponding review plan. Published standard review plans will be revised periodically, as appropriate, to accommodate comments and to reflect new Informa- tion and experience. Comments and suggestions for Improvement will be considered and should be sent to the U .S; Nuclear Regulatory Commission. Office of Nuclear Reactor fegulatlon. Washington, D.C. 2055. b. Failures of nonseismic Category I equipment or components will not affect the CRAVS. 2. The ASB also reviews safety-related portions of the CRAVS with respect to the following: a. The ability of the control room heating and cooling subsystems to maintain a suitable ambient temperature for control room personnel and equipment. b. The ability to detect, filter, or expedite safe discharge of airborne contaminants inside the control room. c. The provisions for the detection and isolation of portions of the system in the event of fires, failures, or malfunctions. d. The ability of essential equipment being serviced by the ventilation system to function under the worst anticipated degraded CRAVS performance. 3. The ASB also performs the following reviews under the SRP sections indicated: a. Review of flood protection is performed under SRP Section 3.4.1. b. Review of the protection against