Document: NUREG-0800
Document ID: 6d9458c8-25fc-47c7-8406-acd4365b1d3c
Document Type: srp
Title: CONTROL ROD DRIVE SYSTEMS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1613/ML16133A472.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.9.4
CFR Part: 
CFR Title: 

Content:
ability of the 3.9.4-4 Revision 4 – March 2017 postulated event and the need to assure operation during and after the event. Details on the determination of loading conditions caused by adverse flow effects are provided in SRP Section 3.9.2 and RG 1.20, Revision 4. 4. A review of the portion of the SAR that describes plans for the conduct of an operability assurance program or that references previous test programs or standard industry procedures for similar apparatus is performed. For example, the life cycle test program for the CRDS is reviewed. The operability assurance program is reviewed to ascertain coverage of the following: A. Life cycle test program, including acceptance criteria for testing. B. Proper service environment imposed during testing, including appropriate conditions for normal operation, anticipated operational occurrences, seismic or other dynamic events (e.g., flow-induced vibration, flow-excited acoustic resonance, and any mechanical tones), and postulated accident conditions. For embedded CRDS designs, estimated flow rates over all critical components should be evaluated, including flow over the CRDS at variable latch heights. C. Mechanism functional tests D. Program results 5. Inspections, Tests, Analyses, and Acceptance Criteria (ITAAC). For DC and combined license (COL) reviews, the staff reviews the applicant's proposed ITAAC associated with the structures, systems, and components (SSCs) related to this SRP section in accordance with SRP Section 14.3, "Inspections, Tests, Analyses, and Acceptance Criteria." The staff recognizes that the review of ITAAC cannot be completed until after the rest of this portion of the application has been reviewed against acceptance criteria contained in this SRP section. Furthermore, the staff reviews the ITAAC to ensure that all SSCs in this area of review are identified and addressed as appropriate in accordance with SRP Section 14.3. 6. COL Action Items and Certification Requirements and Restrictions.