Document: NUREG-0800
Document ID: 4d7d277e-c006-45d6-94df-c84845dd68d0
Document Type: srp
Title: INADVERTENT OPENING OF A PWR PRESSURIZER PRESSURE RELIEF VALVE OR A BWR
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052350144.pdf
Revision Date: 2023-06
Chapter: 15
Section ID: 15.6.1
CFR Part: 
CFR Title: 

Content:
um pressure within the reactor coolant and main steam systems did not exceed 110% of the design pressures. The staff concludes that the plant design in regards to transients that are expected to occur with moderate frequency and result in a decreased primary coolant inventory is acceptable and meets the relevant require- ments of General Design Criteria (GDC) 10, 15 and 26 and the applicable TMI Action Plan items. This conclusion is based on the following: x1he SER draft should present one statement for all similar transients. **Minimum critical power ratio (MCPR) for a BWR. 15.6.1-6 Rev. 1 - July 1981 1. The applicant has met the requirements of GDC 10 and 26 with respect to demonstrating that resultant fuel damage is maintained since the specified acceptable fuel design limits were not exceeded for the event. 2. The applicant has met the requirements of GDC 15 with respect to demonstrating that the reactor coolant pressure boundary limits have not been exceeded by this event and that resultant leakage will be within acceptable limits. This requirement has been met since the maximum pressure within the reactor coolant and main steam systems did not exceed 110% of the design pressure. 3. The applicant has met the requirements of GOC 26 with respect to the capability-of the reactivity control system to provide adequate control of reactivity during this event while including appropriate margin for stuck rods since the specific acceptable fuel design limits were not exceeded. 4. In meeting GDC 10, 15 and 26 the staff has determined that the analysis was performed using a mathematical model that had been previously reviewed and found acceptable by the staff. The para- meters used as.input to this model were reviewed and found to be suitably conservative. In addition, we have further determined that the position of Regulatory Guide 1.53 with respect to single failure criterion and Regulatory Guide 1.105 for instruments have also been satisfied. 5. The applicant has met