Document: NUREG-0800
Document ID: dd8f36ba-bf50-446f-97d9-20e92cbdee8a
Document Type: srp
Title: CONDENSATE AND FEEDWATER SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0703/ML070380221.pdf
Revision Date: 2023-06
Chapter: 10
Section ID: 10.4.7
CFR Part: 
CFR Title: 

Content:
s the bases for those conclusions. The condensate and feedwater system includes all components and equipment from the condenser outlet to the connection with the nuclear steam supply system and to the heater drain system (plus secondary makeup system and auxiliary feedwater system interfaces for PWRs). Based on the review of the applicants proposed design criteria, the design bases, and safety classification for the safety-related portions of the condensate and feedwater system and the requirements for system performance for all conditions of plant operation, the staff concludes that the design of the condensate and feedwater system and supporting systems is 10.4.7-11 Revision 4 - March 2007 in conformance with the Commission regulations as set forth in General Design Criteria 2, 4, 5, 44, 45, and 46. This conclusion is based on the following: 1. The applicant has met the requirements of General Design Criterion 2 with respect to safety-related portions of the system being capable of withstanding the effects of earthquakes by meeting Regulatory Guide 1.29, Position C.1 for the safety-related portions and Position C.2 for the nonsafety-related portions. 2. The applicant has met the requirements of General Design Criterion 4 with respect to the dynamic effects associated with possible fluid flow instabilities (e.g., water hammers) by having the feedwater system designed in accordance with the guidance contained in Branch Technical Position 10-2 and thereby eliminating or reducing the possibility of water hammers in steam generators (PWRs only). The applicant has adequately addressed feedwater control valve and controller designs with respect to water hammer potential and the applicant has committed to review operating and maintenance procedures to ensure that precautions taken will minimize, or avoid, water hammers. 3. The applicant has met the requirements of General Design Criterion 5 with respect to the capability of shared systems and components important to