Document: NUREG-0800
Document ID: a4e67620-0ec4-4f09-b256-5267a57180dd
Document Type: srp
Title: DEMINERALIZED WATER MAKEUP SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070518.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.2.3
CFR Part: 
CFR Title: 

Content:
REVIEW RESPONSIBILITIES Primary - Auxiliary Systems Branch (ASB)Materials and Chemical Engineering Branch (EMCB) 1 Secondary - NonePlant Systems Branch (SPLB)2 I. AREAS OF REVIEW A. The ASBEMCB reviews the demineralized water makeup system (DWMS) from the 3 supply connection of the service or municipal water source to the points of discharge. The capability to provide an adequate supply of treated water of reactor coolant purity to other systems as makeup, and to provide other plant demineralized water requirements is reviewed. The design of the DWMS is generally not safety related; the review is primarily directed toward assuringensuring that a failure or malfunction of the system 4 could not adversely affect essential systems requirements in accordance with General Design Criteria 2 and 5. 1. The ASBEMCB review of the DWMS system includes the following considerations: 5 6 a. Capability of the system to effectively store, handle, and dispense all chemicals utilized in the demineralizing and regeneration process. b. Capability of the DWMS to operate within the environment to which it is exposed. DRAFT Rev. 3 - April 1996 9.2.3-2 c. Provisions for the regeneration wastes to be directed to a suitable point in the radwaste system or other specified areas for subsequent processing prior to discharge to the environment and instrumentation and isolation capabilities provided, including the ability to detect corrosive solutions and the valving necessary to isolate the system. 2. The ASBEMCB reviews the system function relative to other safety-related systems to 7 determine whether portions of the system are safety related and to determine whether a seismic Category I makeup source is required. 3. The EMCB reviews the DWMS is also reviewed to assureensure that a malfunction or 8 failure of a component will not have an adverse effect on any safety-related system or components. 4. The Materials Engineering Branch (MTEB)The EMCB verifies that inservice inspection 9