Document: NUREG-0800
Document ID: 5b0d8000-eb22-442c-a759-c14fed5c9c67
Document Type: srp
Title: EQUIPMENT AND FLOOR DRAINAGE SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070535.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.3.3
CFR Part: 
CFR Title: 

Content:
he reviewer will select and emphasize material from this SRP section, as may be appropriate for a particular case. 1. The SAR is reviewed to see that the EFDS description section, layout drawings, and piping and instrumentation diagrams (P&IDs) show the EFDS layout and equipment, including pumps and valves necessary for routing effluents, the minimum drain tank capacity system flow requirements, connections to areas containing safety-related equipment or to non-contaminated drain systems, and any use made of the EFDS for leakage detection for safety-related systems. The reviewer determines which portions of the EFDS have safety functions or can adversely affect safety-related systems, using the criteria of subsection II, above. These "essential"safety-related portions of the EFDS 41 are then reviewed on the basis of the criteria of subsection II, as is described in the paragraphs that follow. 2. The EFDS performance requirements section of the SAR is reviewed to confirm that it describes component allowable operational degradation (e.g., drain blockage, sump pump leakage, or failures) for safety-related portions of the system and describes the procedures that will be followed to detect and correct these conditions if they become excessive. The reviewer determines that essentialsafety-related portions of the system 42 can sustain the loss of any active component and meet minimum system requirements. The system P&IDs, layout drawings, and component descriptions and characteristics are then reviewed for the following points: 9.3.3-7 DRAFT Rev. 3 - April 1996 a. EssentialSafety-related portions of the EFDS are correctly identified and are 43 isolable from the nonessentialsafety-related portions of the system to the extent 44 required by system performance requirements. b. EssentialSafety-related portions of the EFDS are classified Quality Group C or 45 higher and seismic Category I. Components and system descriptions in the SAR are reviewed by ASBSPLB to verify that the