ML23306A277
| ML23306A277 | |
| Person / Time | |
|---|---|
| Site: | 05200050 |
| Issue date: | 11/02/2023 |
| From: | NuScale |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML23306A273 | List: |
| References | |
| LO-152903 | |
| Download: ML23306A277 (1) | |
Text
NuScale Final Safety Analysis Report Overhead Heavy Load Handling Systems NuScale US460 SDAA 9.1-55 Draft Revision 2 Table 9.1.5-2: Classification of Structures, Systems, and Components SSC (Note 1)
Location SSC Classification (A1, A2, B1, B2)
Augmented Design Requirements (Note 2)
Quality Group/Safety Classification (Ref RG 1.26 or RG 1.143)
(Note 3)
Seismic Classification (Ref.
(Note 4)
OHLHS, Overhead Heavy Load Handling System Reactor building crane (RBC main hoist and lower block assembly, and RBC sister hook)
RXB B1 ASME NOG-1 N/A I
Reactor building crane auxiliary hoist RXB B1 ASME NUM-1 N/A I
- Traveling jib crane
- Articulating traveling jib crane
- Dry dock jib crane
- Module access platform jib crane RXB B2 ASME NUM-1 N/A II Auxiliary wet hoist RXB B2 ASME NUM-1 N/A II Note 1: Acronyms used in this table are listed in Table 1.1-1 Note 2: Additional augmented design requirements, such as the application of a Quality Group, Radwaste safety, or seismic classification, to nonsafety-related SSC are reflected in the columns Quality Group / Safety Classification and Seismic Classification, where applicable. Environmental Qualifications of SSC are identified in Table 3.11-1.
Note 3: Section 3.2.2.1 through Section 3.2.2.4 provides the applicable codes and standards for each RG 1.26 Quality Group designation (A, B, C, and D). A Quality Group classification per RG 1.26 is not applicable to supports or instrumentation that do not serve a pressure boundary function. Section 3.2.1.4 provides a description of RG 1.143 classification for RW-IIa, RW-IIb, and RW-IIc.
Note 4: Where SSC (or portions thereof) as determined in the as-built plant that are identified as Seismic Category III in this table could, as the result of a seismic event, adversely affect Seismic Category I SSC or result in incapacitating injury to occupants of the control room, they are categorized as Seismic Category II consistent with Section 3.2.1.2 and analyzed as described in Section 3.7.3.8.