Document: NUREG-0800
Document ID: 9f13abda-ee55-4fa1-8276-db55ac2094ef
Document Type: srp
Title: CONTROL ROOM HABITABILITY SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070449.pdf
Revision Date: 2023-06
Chapter: 6
Section ID: 6.4
CFR Part: 
CFR Title: 

Content:
LYSIS FOR (Insert Plant Name)112 The following summarizes the X/Q's used in determining the control room operator dose for evaluation of the subject plant at the COL stage of review:113 A. VENTILATION SYSTEM DESCRIPTION B. SKETCH OF SYSTEM (and inlets/sources if applicable) C. SUMMATION OF X/Q ANALYSIS Source/Receptor Type and Distance S/D Ratio K Factor Number of 22-1/2 Wind Direction Sectors that Result in Exposure Central Wind Sector (sector wind is blowing from) 5% Wind Speed (m/sec) 40% Wind Speed (m/sec) Projected Area of Wake (m ) 5% X/Q (sec/m ) 2 3 Wind Wind Time Speed Direction Occupancy Effective Factor Factor Factor X/Q's 0-8 hr 1 1 1 8-24 hr 1 1-4 day 0.6 6.4-25 DRAFT Rev. 3 - April 1996 4-30 day 0.4 DRAFT Rev. 3 - April 1996 6.4-26 TABLE 6.4-1 Summary Sheet for Control Room Dose Analysis-continued D. ACTION REQUESTED Assigned Reviewer - For your information only - Please use the effective X/Q's in TACT run and provide control room doses. In addition, please summarize safety system assumptions and indicate their status (interim or final). Meteorologist - These are interim X/Q's. Please review to determine their reasonableness. - These are final X/Q's. Please determine if they are accurate based on your analysis of site data. Please Contact __________________________________114 SRP Draft Section 6.4 Attachment A - Proposed Changes in Order of Occurrence 6.4-27 DRAFT Rev. 3 - April 1996 Item numbers in the following table correspond to superscript numbers in the redline/strikeout copy of the draft SRP section. Item Source Description 1. Current PRB name and abbreviation Changed PRB to Plant Systems Branch (SPLB). 2. Current SRB name and abbreviation Changed SRB to Emergency Preparedness and Radiation Protection Branch (PERB). 3. Current SRB name and abbreviation Changed SRB to Materials and Chemical Engineering Branch (EMCB). 4. Editorial Changed assure to ensure. (Global change for this SRP section.) 5. Editorial Revised for clarity and readability. 6.