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:
REVIEW RESPONSIBILITIES Primary - Auxiliary Systems Branch (ASB)Plant Systems Branch (SPLB)1 Secondary - None I. AREAS OF REVIEW The equipment and floor drainage system (EFDS) is designed to assure that waste liquids, valve and pump leakoffs, and tank drains are directed to the proper area for processing or disposal. The ASBSPLB reviews the equipment and floor drainage system, including the collection and 2 disposal of liquid effluents outside containment. This includes piping and pumps from equipment or floor drains to the sumps, and any additional equipment that may be necessary to route effluents to the drain tanks and then to the radwaste system. 1. The ASBSPLB reviews the EFDS capability to collect and dispose of all waste liquid 3 4 effluents so that they will be processed in a controlled and safe manner. ASBSPLB will 5 determine that: 1.a. The system is capable of handling the volume of leakage expected, including the 6 capacities of the sumps, drain tanks, and sump pumps. 2.b. The system is capable of preventing a backflow of water that might result from maximum flood levels to areas of the plant containing safety-related equipment. 3.c. There is no potential for inadvertent transfer of contaminated fluids to a non-contaminated drainage system. DRAFT Rev. 3 - April 1996 9.3.3-2 Review Interfaces:7 2. ASBSPLB also performs the following reviews under the SRP sections indicated: 8 9 10 1.a. Review of flood protection is performed under SRP Section 3.4.1,. 11 2.b. Review of the protection against internally generated missiles is performed under SRP Sections 3.5.1.1 and 3.5.1.2 ,. 12 3.c. Review of the structures, systems, and components (SSCs) to be protected 13 against externally generated missiles is performed under SRP Section 3.5.2, and. 4.d. Review of high and moderate energy pipe breaks is performed under SRP Section 3.6.1. 5. Review for fire protection is performed under SRP Section 9.5.1. The fire protection 14 review includes consideration of drain