Document: NUREG-0800
Document ID: 500d6b1d-6d0c-45db-abba-a953c0faa92a
Document Type: srp
Title: STABILITY OF SUBSURFACE MATERIALS AND FOUNDATIONS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1006/ML100610449.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.5.4
CFR Part: 
CFR Title: 

Content:
t with these data. As applicable, reviews of OLs and COLs include a determination on whether the content of technical specifications related to the stability of subsurface materials and foundations is acceptable and whether the technical specifications reflect consideration of any identified unique conditions. These review procedures are based on the identified SRP acceptance criteria. For deviations from these acceptance criteria, the staff should review the applicant’s evaluation of how the 2.5.4-16 Revision 4 - May 2010 proposed alternatives provide an acceptable method of complying with the relevant NRC requirements identified in Subsection II. General Review Procedures The review process is conducted in a similar manner and concurrent with that described in SRP Section 2.5.1. The services of consultants are used on selected sites to aid the staff in evaluating the geotechnical engineering aspects of particular sites. The results of site investigations (such as borings, geologic maps, logs of trenches and pits, permeability test records, results of seismic investigations, laboratory test results, profiles, and plot plans) are studied and cross-checked in considerable detail to determine whether or not the assumptions used in the evaluation are conservative. The design criteria are reviewed to ascertain that they are within the present state-of-the-art. For those facilities that have complex subsurface conditions, where marginal safety has been achieved, or where the applicant proposes to construct a seismic Category I earth or rockfill dam, an independent analysis of the design is performed by the staff or its advisors. The data needed to satisfy the requirements of this section are not usually complete in the early stages. Detailed design investigations are usually still in progress and final conclusions have often not been made. Most of the open items of Section 2.5 remaining at the time that the safety evaluation report (SER) input is required are in the