Document: NUREG-0800
Document ID: 030a527a-e2e7-4d90-b34f-4662fb984153
Document Type: srp
Title: STRATEGIES AND GUIDANCE TO ADDRESS LOSS OF LARGE AREAS OF
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1331/ML13316B202.pdf
Revision Date: 2023-06
Chapter: 19
Section ID: 19.4
CFR Part: 
CFR Title: 

Content:
n in a manner consistent with guidance in Appendix D of NEI 06-12, Revision 3 and subsequently implemented in the site guidelines by the licensee. 16. Means for Feeding the Fire Protection Ring Header The reviewer should verify that the applicant has described a means to feed the fire protection water supply mains located underground (also called a ring header) using alternate water supplies (e.g., lake, river, cooling tower basin, available water tanks, etc.) with either appropriately staged onsite equipment or arriving offsite equipment. The means should be documented in site guidelines. The plans and strategies for feeding the fire protection ring header from alternate water supplies should be described in the application in a manner consistent with guidance in Appendix D of NEI 06-12, Revision 3 and subsequently implemented in the site guidelines by the licensee. 17. Boiling Water Reactor: Containment Venting and Vessel Flooding The reviewer should verify that for the applicable power plant designs, guidelines are developed for venting primary containment to secondary containment (or to the atmosphere, if venting to secondary containment is not achievable) in a condition where no power is available. Also, procedures should be developed for using condensate pumps to provide cooling water to the reactor vessel. The plans and strategies for containment venting and vessel flooding should be described in the application in a manner consistent with guidance in Appendix D of NEI 06-12, Revision 3 and subsequently implemented in the site guidelines by the licensee. 19.4-11 Revision 0 – June 2015 18. Use of Plant Equipment During Loss of Power Situations The reviewer should verify that the applicant describes the procedures to start any backup electrical device without direct current (dc) power, describes the procedures to start non-alternating current (ac) powered pumps used for decay heat removal without dc power, and describes the guidelines to use a fire pumper to