Document: NUREG-0800
Document ID: 5d88f9f1-c708-4a51-8593-a2aa484a15f3
Document Type: srp
Title: Revision 4 - March 2007
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0708/ML070850123.pdf
Revision Date: 2023-06
Chapter: 5
Section ID: 5
CFR Part: 
CFR Title: 

Content:
tainment if justified. Same as above. TABLE 1 POSSIBLE SOLUTION FOR FULL COMPLIANCE WITH BTP 5-4 AND RECOMMENDED IMPLEMENTATION FOR CLASS 2 PLANTS Design Requirements of BTP 5-4 Process and [System or Component] Possible Solution for Full Compliance Recommended Implementation for Class 2 Plants (see Note 1) BTP 5-4-10 Revision 4 - March 2007 II. RHR isolation RHR system Comply with one of the allowable arrangements given. Compliance required. (Plants normally meet the requirement under existing SRP Section 5.4.7.) III. RHR pressure relief Collect and contain relief discharge. RHR system Determine piping and other equipment needed to meet requirement to provide RHR pressure relief in design. Compliance will not be required if it is shown that adequate alternate methods of disposing of discharge are available. V. Test requirement Meet Regulatory Guide 1.68. For PWRs, test plus analysis for cooldown under natural circulation to confirm adequate mixing and cooldown within limits specified in EOP. Run tests confirming analysis to meet requirement. Compliance required. VI. Operational procedure Meet Regulatory Guide 1.33. For PWRs include specific procedures and information for cooldown under natural circulation. Develop procedures and information from tests and analysis. Compliance required. TABLE 1 POSSIBLE SOLUTION FOR FULL COMPLIANCE WITH BTP 5-4 AND RECOMMENDED IMPLEMENTATION FOR CLASS 2 PLANTS Design Requirements of BTP 5-4 Process and [System or Component] Possible Solution for Full Compliance Recommended Implementation for Class 2 Plants (see Note 1) BTP 5-4-11 Revision 4 - March 2007 VII. Auxiliary feedwater supply Seismic Category I supply for auxiliary feedwater for at least 4 hours at hot shutdown plus cooldown to RHR cut-in based on longest time for only onsite or only offsite power and assumed single failure. Emergency feedwater supply From tests and analysis obtain conservative estimate of auxiliary feedwater supply to meet requirement and provide seismic