Document: NRC Regulatory Guide
Document ID: aa62c83d-b03d-4406-b6eb-31fc79a0c077
Document Type: regulatory_guide
Title: Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components + HISTORY – HISTORY 05/2019 – Periodic Review of Revision 1 – Reviewed with issues considered for future consideration 03/2015 – Periodic Review of Revision 1 – Revise
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1404/ML14041a433.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.122
CFR Part: 
CFR Title: 

Content:
of full-time equivalent (FTE) and contract dollars? Revision of the RG will take ~0.5 FTE of staff and contract support to update RG 1.122 with respect to developments in seismology, site response and soil-structure interaction over the last 35 years. 4. Based on the answers to the questions above, what is the recommended staff action for this guide (Reviewed with no issues identified, Reviewed with issues identified for future consideration, Revise, or Withdraw)? Revise 5. If a RG should be revised, provide a conceptual plan and timeframe to accomplish this. 1. Develop work plan for the portions of RG 1.122 requiring attention. 2. Develop strategy for risk-informing design process for floor spectra. 3. Harmonize the RG with existing standards and codes. Estimated completion of steps 1, 2 & 3 by Qtr. 4, FY 2015. 4. For technical problems that remain unaddressed, develop technical basis to address them. Estimated completion Qtr. 1, FY 2017. 5. Deliver draft RG to the Regulatory Guidance and Generic Issues Branch/RES and obtain interoffice concurrence by Qtr. 2, FY 2017. 6. Publish draft RG for public comment. Estimated Qtr. 4, FY 2017. NOTE: This review was conducted in February 2015 and reflects the staff’s plans as of that date. These plans are tentative and subject to change.