Document: NUREG-0800
Document ID: 9cdf4eb8-90c4-435e-84a4-d23c09056921
Document Type: srp
Title: STABILITY OF SUBSURFACE MATERIALS AND FOUNDATIONS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070268.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.5.4
CFR Part: 
CFR Title: 

Content:
urface soils, including the settlement of foundations. These analyses are based on soil properties obtained by state-of-the-art laboratory and field tests and involve application of both deterministic and probabilistic procedures. 9. The earthquake design bases (Subsection 2.5.4.9) are evaluated in detail in Section 2.5.2 of the SAR. These are summarized and cross-referenced in this subsection. The safe shutdown earthquake (SSE) and the operating basis earthquake (OBE) are evaluated in this subsection in combination with other hazards (floods, etc.) to assess the adequacy of the site materials under dynamic conditions. 10. The results of investigations and analyses conducted to determine foundation material stability, deformation and settlement under static conditions (Subsection 2.5.4.10). 2.5.4-3 DRAFT Rev. 3 - April 1996 11. Criteria, references, and design methods (Subsection 2.5.4.11) used in static and seismic analyses of foundation materials, including an explanation of computer programs used in the analyses and soil loads on subsurface facilities. 12. Techniques and specifications to improve subsurface conditions (Subsection 2.5.4.12), which are to be used at the site to provide suitable foundation conditions. 13. Additional information on foundations is covered in SRP Section 3.8.5 and should be cross-referenced to this section. For a design certification review, the engineering properties of materials underlying the site and the vibratory ground motion for the design basis earthquake(s) are specified in the site parameter envelope that must be met by the plant design.4 Review Interfaces5 The ECGB performs the following reviews under the SRP sections indicated:6 1. The ECGB reviews the site parameter envelope for standardized designs as part of its review responsibility for SRP Section 2.3.6 (proposed).7 2. The Geosciences Branch (GB)ECGB will determines the adequacy of the 8 geologic and seismic information cited in support of the applicant's conclusions