Revised: 04/30/15 1
Acronyms, Abbreviations & Symbols Section B
Other References: Phonetic Alphabet
ACRONYM DEFINITION
' Feet
" Inches
"H2O Inches of Water
% Percent
~ Approximately
+BOP Balance of Plant
+C Containment
+CC Channel Calibration, Closed Capped (for vent, drain, and test connections)
+CDCR Configuration Document Change Request
+CR Control Room
+DAW Dry Active Waste
+DVM Digital Volt Meter
+DW Demineralized Water or Drywell
+EOF Emergency Operations Facility
+F/D Filter Demin
+HV High Voltage
+LBD Licensing Basis Document
+LD Leak Detection
+LSA Low Specific Activity (radioactive material shipping category)
+NEIL Nuclear Electric Insurance Limited
+ODCM Offsite Dose Calculation Manual
+OER Operations Experience Report
+PAAP Protected Area Access Point
+PC Protective Clothing
+PMU Panel Meter Units
+R Roentgen
+RMC Reactor Manual Control
+RTT Response Time Test
+SAT Satisfactory
+SC Sealed Closed
+SM Shift Manager
+SO Sealed Open
+SSFI Safety System Functional Inspection
+TAF Top of the Active Fuel
+TB Terminal Block
+UNSAT Not Satisfactory
+VAC Vacuum
+WW Wet Well
°C Degrees Centigrade
°F Degrees Fahrenheit
Revised: 04/30/15 2
2H Two-handed
A Ammeter
AAA Action/Awareness/Alert
AAC Alternating AC Current
AAOO Accidents and Anticipated Operational Occurrences
AAP Affirmative Action Program / Alternate Access Point
AASHTO American Association of State Highway and Transportation Officials
ABC Activity Based Costing
ABC/M Activity Based Cost/Management
ABEC Annular Bearing Engineers Committee
ABM Activity Based Management
ABS Acrylonitrile Butadiene Styrene
ABWR Advanced Boiling Water Reactor
AC/ac Alternating Current
ACE Apparent Cause Evaluation
ACES Actively Committed to Everyone's Safety
acfm Actual Cubic Feel Per Minute
ACH Automated Clearing House
ACI American Concrete Institute
ACRS Advisory Committee on Reactor Safeguards
ACSB Approved Computer Service Bureau
ACV Air Control Valve
AD Auto Depressurization
AD(s) Applicability Determinations
ADCN Advance Drawing Change Notice
Addl Asset Suite Additional Details
ADL Affected Documents List
ADM General Administrative / ADMinistrative
ADP Automatic Data Processing
ADS Automatic Depressurization System
ADSI Admin Services Instruction
AE Architect Engineer
AEA Tech. Support Cntr. Exhaust Air
AEC Atomic Energy Commission
AED Architectural Engineering Drawing / Automatic External Defibrillators
AEF Architect Engineer File
AEL Affected Equipment List
AEOD Analysis and Evaluation of Operational Data
AETC Action Environmental Testing Corporation
AFBMA Anti Friction Bearing Manufacturers Association
AFCR Advanced Field Change Request
AFI Area for Improvement
AGC Automatic Gain Control / Automatic Generation Control
AIA Area of Increased Awareness
AIF Atomic Industrial Forum
AISC American Institute of Steel Construction
Revised: 04/30/15 3
AIT Augmented Inspection Team
AL Administrative Limit / Analytical Limit
ALARA As Low as Reasonably Achievable
ALI Annual Limit on Intake
ALWR Advanced Light Water Reactor
AM/FM Automated Mapping and Facilities Management
AMA Tech. Support Cntr. Mixed Air
AMCA Air Moving and Conditioning Association
AMDS Air Operator Valves Master Data Sheet
Amp, amp Ampere
AMS Aerospace Material Specification
ANEC American Nuclear Energy Council
ANF Advanced Nuclear Fuels (Richland)
ANI Authorized Nuclear Inspector / American Nuclear Insurers
ANII Authorized Nuclear Inspector In-service
ANMS Advanced Nuclear and Medical Systems
ANN Annunciator
ANNA Advanced Neutron Noise Analysis
ANS American Nuclear Society
ANSI American National Standards Institute
ANSI American National Standards Institute
AOA Tech. Support Cntr. Outside Air
AOP Abnormal Operating Procedures
AOT Allowed Outage Time
AOV Air Operated Valves
AP Annulus Pressurization
APEL Advanced Process Engineering Laboratory
API American Petroleum Institute
APLHGR Average Planar Linear Heat Generation Rate
APM Administrative Procedures Manual
APMT Advanced Performance Management Training
APPA American Public Power Association
APRM Average Power Range Monitor
APS Arizona Public Service
APWH Tech. Support Cntr. Potable (drinkable) Hot Water
AQ Augmented Quality
AR Action Request / Action Request Records / Air Removal / Auto Requisition
ARA Tech. Support Cntr. Return Air
ARB Activity Review Board
ARC Architecture Civil Drawings
ARE Tech. Support Cntr. Refrig. Equipment
ARI Alternate Rod Insertion
ARM Area Radiation Monitor
ARO All Rods Out
AROT Active Required Operating Time
ARP Annunciator Response Procedures
Revised: 04/30/15 4
ARRT-RW Annual Radiological Refresher Training for Radiation Workers
ARTS/MELLLA Average Power Range Monitor [APRM], Rod Block Monitor [RBM] Technical Specification [TS] (ARTS) Maximum Extended Load Line Limit Analysis (MELLLA)
AS Architectural Standards / Auxiliary Steam / Ammeter Switch
ASCB Approved Computer Service Bureau
ASCE American Society of Civil Engineers
ASCM Alternate Shutdown Cooling Mode
ASD Adjustable Speed Drive
ASER Accreditation Self-Evaluation Report
ASI Amalgamated Services Incorporated
ASL Approved Supplier List
ASME American Society of Mechanical Engineers
ASNT American Society for Non-Destructive Testing
ASQ American Society for Quality
ASRA Alexopulos Shock Response Analysis
AST Alternate Source Term
ASTD American Society for Training and Development
ASTM American Society for Testing & Material Standard
ATD Air Turning Device
ATL Audit Team Leader
ATN Acceptance Tag Number
ATP Automatic Temperature Control Panel
Att Asset Suite Attributes
ATV Accreditation Team Visit (INPO)
ATWS Anticipated Transients Without Scram
AV Allowable Value
AWA's Advance Work Authorizations
AWB Association of Washington Business
AWS American Welding Society
Az Azimuth
B&R Burns & Roe
B&SGM Breakers and Switch Gear Maintenance Program
BA Backwash Air
BAC Blood Alcohol Concentration
BAS Breathing Air Supply
BCF Boiler Chemical Feed
BCFs Barrier Control Forms
BCI Bechtel Construction, Inc.
BCO Basis for Continued Operation
BCP Budget Change Proposal
BCS Boeing Computer Services
BCSD Benton County Sheriff's Department
BCT Battery Capacity Test
BD Ball Diameter / Cond. Blowdown / Rad. Boards / Backdraft Damper / Bus Duct
BDC Basic Design Change / Isolated Phase Bus Duct Cooling
BER Break Exclusion Region
Revised: 04/30/15 5
BG Bottom Grille (vertical below 6'-0")
BG&E Baltimore Gas & Electric
BI Barrier Impairment or Background Investigation
BID Background Information Document (PMO)
BIL Basic Impulse Insulation Level
BIOS Basic Input/Output System
Bldg Building
BM Benchmark
BMMP Battery Mont and Maintenance Program
BNL Brookhaven National Laboratory
BNWL Battelle Northwest Laboratories (also PNL)
BOA Basic Ordering Agreements
BOC Beginning of Cycle
BOD Board of Directors
BOM Bill of Material
BOP Balance of Plant
BP&A Business Planning & Analysis
BPA Bonneville Power Administration
BPC Bechtel Power Corporation
BPFI Ball Pass Frequency Inner Race
BPFO Ball Pass Frequency Outer Race
BPII Business Process Improvement Initiative
BPM Business Planning Management
BPO Basic Plant Operations
BPV Bypass Valves
BR Bottom Register (vertical below 6'-0")
BRAC BWR Radiation Assessment and Control
BRE Ballistic/Blast Rated Enclosure
BRI Burns & Roe Incorporated
BS (Bleed) Extraction Steam System
BSP Backup Stability Protection
BST Behavioral Science Technology
BTP Branch Technical Position
BTU, Btu British Thermal Unit
BWR Boiling Water Reactor
BWROG Boiling Water Reactor Owner's Group
BWST Borated Water Storage Tank
C Closed
C&MS Construction & Maintenance Services
C&MS Construction & Maintenance Services
C&S Codes and Standards
C/V Contract Vendor
C+ Closed and Capped
C1E Class 1 Electrical
CA Corrective Action
CAC Containment Hydrogen Recombiner / Containment Atmospheric Control
Revised: 04/30/15 6
CACRC Corrective Action Closure Review Committee
CAD Computer Aided Design
CAL Calculations / Vendor Calculations / Confirmatory Action Letter
CAM Continuous Air Monitor
CAP Corrective Action Program
CAPI Corrective Action Program Instruction
CAPM Corrective Action Program Manual
CAPP Core Administrative Procedures Program
CAPR Corrective Action Prevent Reoccurence
CAR Corrective Action Request
CARB Corrective Action Review Board
CARPS Cable and Raceway Penetration Schedule
CAS Central Alarm System / Control Air System
CAS/SA Control and Service Air System
CATPR Corrective Action to Prevent Recurrence
CATQ Condition Adverse to Quality
CB Circuit Breaker
CBC Columbia Basin College
CBD Circulation Water Blowdown System
CBM Condition Based Maintenance
CBO Central Badging Office / Continued Behavioral Observation
CBP Condensate Booster Pump
CBT Computer Based Training
CC Channel Calibration / Closed Cap / Construction Convenience
cc cubic centimeters
CC&MM Corporate Contracts & Materials Management
CCD Charge Coupled Device
CCE Capital Cost Estimates
CCER Component Classification Evaluation Record
CCF Change Control Form
CCH Control Room Chilled Water
CCM Component Condition Monitoring
CCR Component Completion Records / Channel Calibration Requirements
CCTV Closed Circuit Television
CCW Closed Cooling Water
CD Controlled Documents / Ceiling Diffuser (horizontal with or without ceiling)
CDA Critical Digital Asset
CDBI NRC Component Design Basis Inspection
CDCR Configuration Document Change Request
CDF Core Damage Frequency
CDMA Code Division Multiple Access
CDP Commerical Dedication Plan / Core Damage Probability
CDR Conceptual Design Report
CDRI Criminal History Record Information
CDS Certified Design Specification
CE Construction Experience / Civil Engineering / Combustion Engineering / Conductivity Element
Revised: 04/30/15 7
CEDE Committed Effective Dose Equivalent
CEO Chief Executive Officer
CEP Containment Exhaust Purge
CEPM Continuous Entry Passage Mode
CER Classification Evaluation Record
CF Capacity Factor / Chemical Feed
CFAR Component Failure Analysis Report
CFM Cubic Feet per Minute
CFR Code of Federal Regulations
CFT Channel Function Test
CFT Channel Functional Test
CG Commercial Grade / Ceiling Grille (horizontal with or without ceiling)
CGA Compressed Gas Association
CGI Commercial Grade Item
CGS Columbia Generating Station
CHAMPS Craftsmen Helping Achieve More Production Safely
CHEM Chemistry Effluent Monitoring / Chemistry Equipment
Chem Decon Chemical Decontamination
CHEMES Chemical Engineering Standards
CHF Critical Heat Flux
CHI Chemistry Instructions
CHM Chemistry Records
CHRC Criminal History Records Check
CI Configuration Information
Ci Curie (3.7 E10 disintegrations per second)
CI/mo Curies per month
CIA Containment Instrument Air
CIC Continuous Improvement Coordinator
CIE Craft Installation Error
CILC Crud Induced Local Corrosion
CIP California Oregoin Interie Project (BPA) / Core Integration Project
CIS Corporate Information System
CIVES Civil Engineering Standards
CJW Cooling Jacket Water
CL Chlorine
CLIIP Consolidated Line Item Improvement Process
cm centimeters
CM Construction Manager / Configuration Management
CMC Change Management Control
CMFA Common Mode Failure Analysis
CMM Coordinate Measurement Machine
CMP Check Valve Condition Monitoring
CMPTR Computer
CMR Calculation Modification Record
CMS Containment Monitoring System
Cmt Asset Suite Text
Revised: 04/30/15 8
CMT Core Management Team
CMTR Certified Material Test Report
CN Change Notification / Containment Nitrogen
CND Condenser Drains & Vents / Conduit
CNF Classification Notification Form
CNS Containment Nitrogen System
CNSC Charlotte Nuclear Service Centers
CNSRB Corporate Nuclear Safety Review Board
CO Change Order / Clearance Order / Condensate (Auxiliary)
CO2 Carbon Dioxide
COB Columbia Oversight Board
CoC Certificate of Compliance
COD ASME Code Class
COE Cooperative Office Education
C-of-C Certificate of Conformances
COI California Oregon Intertie (BPA)
COLR Core Operating Limits Report
COMM Communications
CON Contract Number
COND Condensate (Nuclear)
COR General Correspondence
CORC Clearance Order Review Committee
CORP Corporate Records
COS Change of State (COMPUTUROL)
COT Commercial Off The Shelf
CP Control Panel / Construction Permit / Cathodic Protection
CPE Chlorinated Polyethylene Elastomer
CPFF Cost Plus Fixed Fee
CP-H&V Circulating Water Pumphouse H&V
CPIs Cable Pulling Instructions
CPM, cpm Counts per minute (units for an event rate) / Critical Path Method
CPP Condensate Filter Demineralizer
CPR Containment Purge Radioactive / Corporate Policy and Procedures / Critical Power Ratio / Condensate Demineralizer / Critical Power Ratio
CPS, cps counts per second / Containment Penetration System
CQC Complete Quadratic Combination
CR Condition Report / Control Room / Ceiling Register (horizontal with or without ceiling) / Contact Relay
CRA Containment Recirculating Air
CRC Curriculum Review Committee / Cyclic Redundancy Check
CRD Control Rod Device / Contract Requirements Document / Control Rod Drive
CRDA Control Rod Drop Accident / Control Rod Drive Hydraulic Control Units
CRDH Control Rod Drove Hydraulic
CRDM Control Rod Drive Mechanism
CRDMC Control Rod Drive Manual Control
CRE Collective Radiation Exposure
CREB Clean Renewable Energy Board
Revised: 04/30/15 9
CREF Control Room Emergency Filtration
CRG/CRRG Condition Report Review Group
CR-HVAC Control, Cable & Critical Switchgear Room Heating & Ventilation
CRO Control Room Operator
CRPI Control Rod Position Indication
CRRG Condition Report Review Group
CRs Contract Requests
CRS Control Room Supervisor
CRSI Concrete Reinforcing Steel Institute
CS Carbon Steel / Confined Space / Control Station / Control Switch
CSA Canadian Standards Association / Controlled Substances Act
CSP Containment Supply Purge
CSPE Chloro-sulfated Polyethylene
CSR Conceptual Study Report
CST Condensate Storage Tank
CSWP Confined Space Work Permit
CT Current Transformers / Calibration Tolerance / Conductivity Transmitter
CTA Close To Alarm
CTAG Corporate Training Advisory Group
CTH Cable Tray Hanger
CT-H&V Cooling Tower H&V
CTI Cable Termination Instruction
CTMA Cooling Tower Electrical Bldg. Mixer Air
CTS Central Training Services
CVB Containment Vacuum Breakers
CVI Certified Vendor Information / Contractor Vendor Information
CVRP Check Valve Reliability Program
CW Circulating Water
CWR Chemical Waste Processing System
CWS Circulation Water Systems
CXPM Continuous Exit Passage Mode
CY Calendar Year
D.T. Dust Tight
DAC Derived Air Concentration
DALITE Direct Acting Limit Inverse Time Element
DAR Design Assessment Report
DAT Data Analysis and Trending / Deficiency Acknowledgement Tag
DATS Deposit Accumulation Testing System
DAW Dry Active Waste (particular source or type of radioactive waste)
DB Design - Basis / Design Basis Report / Direct Burial Cable
DBA Design - Basis Accident / Design Basis Analysis
DBD Design Basis Document
DBE Design Basis Event / Design Basis Earthquake
DBF Design Basis Fire
DBMS Database Management System
DBT Design Basis Threat
Revised: 04/30/15 10
DC Desktop computer / DC Power Distribution / Dust Collector
DC/dc Direct Current
DCARB Department Corrective Action Review Board
DCN Design Change Notice / CRD Decontamination
DCP Design Change Package
DCR Vendor Design Criteria
DCS Document Control System / Density Check Station
DCV Directional Control Valve
DCW Diesel Cooling Water
DDBM Design Database Maintenance
DDC Design Document Changes
DDR Dimensional Data Records
DDSI Document and Data Services Instructions
DE Diesel Exhaust (Engine)
DEA Diesel Building Exhaust Air
DEC Decommissioning Records
DEFC Deferred Compensation Plan (401K)
DEH Digital Electro Hydraulic Control
DEI Dose Equivalent Iodine
Demin, demin Demineralizer
DERs Document Error Reports
DES Diagnostic Energy Source / Design Engineering Instruction
DFFR Design Forcing Function Report
DG Diesel Generator
DGB Diesel Generator Building
DH&V Diesel Generator Building Heating and Ventilation
DIC Document Identification Code Index
DIDB Document Information Data Bank
DIS Document Identification Sticker
DLO Diesel Lube Oil
DLRO Digital Low Resistance Ohmmeter
DM Demand Meter
DMA Diesel Building Mixed Air
DMM Digital MultiMeter
DMOD Data Modification
DMS Document Management System
DO Diesel Oil
DOA Diesel Building Outside Air
DOC Document Number / Document
DOD Department of Defense
DOE Declaration of Excess / Department of Ecology / Department of Energy
DOJ Department of Justice
DOR Division of Responsibility
DP Differential Pressure
dP/ΔP Differential Pressure
DPIS Differential Pressure Indicating Switch
Revised: 04/30/15 11
DPM, dpm Disintegrations per minute
DPS Differential Pressure Switch
DPSH Differential Pressure Switch High
DPT Differential Pressure Transmitter
DRA Diesel Building Return Air
DRB Design Review Board
DRD Design Requirement Documents
DRP Dual Regulating Panel / Discrete Radioactive Particles
DRS Department of Retirement System
DRUM Department Roll Up Meeting
DSA Design Safety Assessment / Diesel (Engine) Starting Air
DSC Differential Scanning Calorimetry / Design Sub-Committee
DSI Direct Service Industries (BPA)
DSN Design Records / Design Correspondence
DSO Dispatchers’ Standing Order (BPA) / Digital Storage Oscilloscope
DSR Designated Safety Representative
DSS Document Support Services
DSUP Disability Supplement Bank
dT/ΔT Differential Temperature
DTF Distribution Transmittal Form
DTMF Dual Tone Multi Frequency
DTRT Determ/Reterm Sheet
DVR Design Verification Record
DW Drywell / Demineralized Water
DWIP Design Work In Progress
DWO Dewatering System Operator
DWST Demineralized Water Storage Tank
E East
E.C. Empty Conduit
E.P. Explosion Proof
E/I Electrical/I&C
E/P Electro-Pneumatic Converter
EA Executive Assistant / Employees Association
EAB Exclusion Area Boundary
EAC Executive Authorization Committee
EAG Events Analysis Group (Root Cause)
EAL Emergency Action Level
EAMI Expansion Anchor Manufacturers Institute
EAP Employee Assistance Program
EB Executive Board
EBS Executive Broadcast System
EBSI Energy/BSNS SVCS Instructions
EC Equivalent Change / Equipment Class / Engineering Change
ECA Engineering Change Authorization
ECC Engineering Change Control / Emergency Core Cooling
ECCAD Electrical Circuit Characterization and Diagnostics
Revised: 04/30/15 12
ECCS Emergency Core Cooling Systems
ECD Electrolytic Capacitor Database
ECM Engineering Configuration Management
ECN Engineering Change Notice
ECPT Engineering Core Peer Team
ECSA Electrical Conductor Seal Assembly (CONAX)
ECX Expired Engineering Change
ED Engineering Disposition
ED/FD Non-Radioactive Drains
EDB Equipment Database
EDG Emergency Diesel Generator
EDMS Electronic Document Management System
EDP Employee Development Program
EDPS Emergency Dose Projection System
EDR Equipment Drains Radioactive / Engineering Disposition Request
EDR/FDR Liquid Waste Processing
EDS Engineering Data Steward
EDSFI Electrical Distribution System Functional Inspections
EEDB Engineering Electronic Database
EEO Equal Employment Opportunity
EES Electrical Engineering Standards
EFCV Excess Flow Check Valve
EFD Event-Free Days
EFE Equipment Failure Experience
EFIN Engineering Fix it Now
EFSEC Energy Facility Site Evaluation Council
EFW Emergency Feedwater
EGM Engineering General Manager / Electronic Governor - M Model
EGR Electronic Governor - R Model
EH Equipment History
EHC Electro Hydraulic Control
EHO Electro Hydraulic Operator
EI Engineering Instruction
EIA Electronic Industry Association
EIIS Emergency Industry Identification System
EIP Engineering Improvement Plan
EIS Equipment Inventory System
EL Emergency Lighting
ELC Electrical Drawings
ELEC Electrical Maintenance Equipment
ELL Electronic Licensing Library
ELLLA Extended Load Line Limit Analysis
EMC Exit Meeting Commitment
EMI Electro Magentic Interference
EMIT Enzyme Multiplied Immunoassay Technique
EMPM Electric Motor Predictive Maintenance
Revised: 04/30/15 13
EMR Engineering Material Request
EMS Environmental Management System / Equipment Modification Specification
EN Energy Northwest
ENF Emergency Notification Form
ENG Engineering Manuals
ENL Energy Northwest Labor
ENOC Energy Northwest Office Complex
ENS Emergency Notification System
ENSC Energy Northwest Safety Committee
ENV Environmental Records / Environmental Correspondence
EO Equipment Operator
EOC End of Cycle / Emergency Operations Center
EOF Emergency Operations Facility / Emergency Offsite Facility
EOFCC Emergency Operations Facility Communication Center
EOP Emergency Operating Procedure
EP Engineering Procedure / Emergency Preparedness / Emergency Plan / Emergency Planning Records / Electric Pneumatic Switch
EPA Environmental Protection Agency
EPD Emergency Phone Directory
EPDM Theylene Propylene Diene Monomers (EP Terpolymer)
EPI Emeregency Planning Instruction
EPIP Emergency Plan Implementing Procedure
EPIX Equipment Performance & Information Exhange Database
Eplan Emergency Plan
EPN Equipment Piece Number
EPOC Executive Point of Contact
EPR Ethylene Propylene Rubber
EPRI Electrical Power Research Institute
EPROM Electrical Programmable Memory
EPT Error Prevention Tools / Ethylene Propylene Terpolymer
EPZ Emergency Protected Zone / Emergency Planning Zone
EQ Equipment Qualification
EQAG Equipment Qualification Advisory Group
EQB Examination Question Bank
EQDB Equipment Qualification Data Bank
EQE Environmentally Qualified Equipment / Equipment Qualification Engineering
EQES Equipment Qualification Engineering Standard
EQFAX EQ Information Exchange System
EQG Equipment Qualification Group
EQH Equipment History
EQM Equipment Qualification Maintenance
EQSOP Equipment Standard Operating Program Document
ER Equipment Reliability
ERB Engineering Review Board / Emergency Reserve Ballast
ERDA Energy Research and Development Adminitration
ERDS Emergency Response Data System
ERM Environmental Rad. Monitoring
Revised: 04/30/15 14
ERO Emergency Response Organization
ERP Effectiveness Review Plans
ERS Experience Response Spectrum
ES Exhaust Steam (Turbine)
eSADS Electronic Subassembly Data Sheet
ESC Excel Services Corporation
ESF Engineered Safety Feature
ESL Evaluated Supplier List
ESMN ESP mentor
ESP Engineering Support Personnel
ESR Excitation and Voltage
ESST Engineering Support Staff Training
ETF Equipment Type Functions (aka Component Functions) / Equipment Test Facility
EUCG Electric Utility Cost Group
EUP Enriched Uranium Product
EUS End User Support
EWC General Communications & Contract Evaluations
EWD Electrical Wiring Diagrams
EXC/VR Exciter/Volt Regulator
EXP Personnel Exposure File
EZC Emergency Zone Coordinator
F Frequency Meter
F/D Filter Demineralizer
FA Fire Area / Full Arc (mode of TGV operation)
FAC Facilities / Fire Seals and Outlying Buildings / Flow Accelerated Corrosion / Facilities Generic Equipment
FAM Facility Allocation Modification
FANUC Fujitsu Automatic Numerical Controller
FAO Follow-Up Assessment of Operability
FAQs Follow-up Assessment of Operability
FAX Facsimile
F-B/V Front-to-Back/Vertical
FC Flow Controller / Fan Coil Unit
FCC Federal Communications Commission
FCD Functional Control Diagram
FCE Facilities & Commerical Eng
FCI Facility Configuration Information
FCN Field Change Notice
FCP ISO & HGR Field Const Package
FCR Field Change Request
FCRA Fair Credit Reporting Act
FCRPS Federal Columbia River Power System
FCV Flow Control Valve
FD Floor Drain
FDDR Field Deviation Disposition Request
FDI Field Disposition Instruction (GE)
Revised: 04/30/15 15
FDR Floor Drain Radioactive
FED Facility Emergency Director
FEG Functional Equipment Group
FEMA Federal Emergency Management Agency
FENOC First Energy Nuclear Operating Company
FEP Fluorinated Ethylene Propylene
FEPN Foreign Equipment Piece Number
FERC Federal Energy Regulatory Commission
FES-OL Final Environmental Statement
FFD Fitness For Duty
FFDI Fitness for Duty Instruction
FFTF Fast Flux Test Facility
FFTR Final Feedwater Temperature Reduction
FHA Fuel Handling Accident
FI Flow Indication
FIC Flow Controller / Final Inspection Checklists
FII Foreign Intelligence Information
FIM Functional Interface Module
FIN Fixt it Now / Finance Correspondence
FIS Flow-Indicating Switch
FIT Flow Indicating Transmitter
FITS Field Interface Terminations (GE)
FLECHT Full-Length Emergency Cooling Heat Transfer
FLSA Fair Labor Standards Act
FM Finance Manual
FMC Foreign Material Control
FME Foreign Material Exclusion
FMEA Failure Modes and Effects Analysis
FMI Filler Metal Issue
FMR Flame Moisture Resistant (OKONITE)
FNF Fixed Nuclear Facility
FO Fuel Oil / Forced Outage
FP Fire Protection
FP Active Fire Protection Active
FP Passive Fire Protection Passive
FP&L Florida Power & Light
FPC Fuel Pool Cooling / Local Fire Protection Pump Controller
FPCC Fuel Pool Cooling and Cleanup
FPF FP Engineering Evaluations
FPP Fire Protection Program Manual
FPRC Facilities Project Review Committee
FPSI Fire Protection System Impairment
FQM Fuels Quality Manual
FR Fire Relay Contact
FRAM Ferro-Electric Memory
FRC Follow-up Review Committee / Franklin Research Center
Revised: 04/30/15 16
FRP Fiberglass Reinforced Polyester Duct
FRS Fragility Response Spectrum
FS Flow Switch / Float Switch
FSA Facility System Analysis
FSAR Final Safety Analysis Report
FSK Field Sketches
FSR Facilities Service Request
FT Flow Transmitter
FT, ft Feet
FTF Fundamental Train Frequency
FTL Functional Team Leaders
FT-LB, ft-lb Foot Pound
FTV Focus Team Visit (INPO)
FUL Fuel Records
FUSS Foreign Unidentified Sticky Substances
FV Fussell-Vesely
FW Feedwater / Filtered Water
FWCFs Fire Wrap Control Forms
FWLC Feedwater Level Control System
FY Fiscal Year
GALL Generic Aging Lessons Learned
GBP General Business Procedures
GC/MS Gas Chromatography/Mass Spectrometry
GDC General Design Criterion
GDCS Gravity Driven Cooling System
GE Greater than or equal to / General Electric Co.
GEA Guard House Exhaust Air
GEN Main Generator
GERS Generic Equipment Ruggedness Spectrum
GET General Employee Training Manual
GFIP Ground Fault Indication Panel
GFP Guard House Fire Protection
GH Main Guard House
GHG Greenhouse Gases
GI Going In
GIC Geomagnetically Induced Currents / Guaranteed Investment Contract
GIH General Information Handbook
GLA Gas and Liquid Analyzer
GLS Glossary-site Wide Procedure
GMA Guard House Mixed Air
GND, gnd Ground
GO Going Out
GOA Guard House Outside Air
GPM, gpm gallons per minute
GPWH Guard House Water Hot Potable
GRA Guard House Return Air
Revised: 04/30/15 17
GRO General Radiation Orientation for Non-Rad Worker
GRO-LC General Radiation Orientation Long Course
GRO-NW General Radiation Orientation for Non-Rad Worker
GSB General Services Building
GT Greater than / HI-STORM / Global Temperature
GTAW Gas Tungsten Arch Welding
GTO Gate Turnoff
GY Glycol
H Humidistat
H&V Heating & Ventilating
H&V Heating and Ventilating
H/A Hand/Auto Station
H2 Hydrogen Cooling / Hydrogen (Turbine Generator)
H2 WTR CHEM Hydrogen Water Chemistry
H2O Water
HAD Heat Actuated Device
HAI Human Affairs International
HAZ Heat Affected Zone
HCA Horizontal Control Accelerometer
HCLPF High Confidence of a Low Probability of Failure
HCO Heating Steam Condensate
HCU Hydraulic Control Unit
HD Heater Drain
HD/HV Heater Drains and Vents
HEHF Hanford Environmental Health Foundation
HELB High-Energy Line Break
HEPA High-Efficiency Particulate Air/Absolute
HEW Hanford Engineer Works
HFA Health & Fitness Association
HFAS Relays of Hematite Fuel Assemblies
HFD Hanford Fire Department
HFES Human Factors Engineering Standards
Hg Mercury
HGP Hanford Generating Project / Hanford Generating Plant
HHW Heating Hot Water
HIC High Integuty Container
HID High Intensity Discharge (Lighting)
HIPAA Health Insurance Portability and Accountability Act
HI-Storm Holtec International Storage and Transfer Operation Reinforced Module
HIT High Intensity Training / High Impact Team
HI-TRAC Holtec International Transfer Cask
HMI Human-Machine Interface
HP Health Physics / High Pressure / Health Physics Records
HPC Health Physics/Chemistry
HPCI High Pressure Cooling Injection
HPCS High Pressure Core Spray
Revised: 04/30/15 18
HPCS(E) High Pressure Core Spray Electrical
HPCS(M) High Pressure Core Spray Mechanical
HPES Human Performance Evaluation System
HPI Health Physics Instructions
HPO Health Physics Office
HR, hr Hour
HRA High Radiation Area / Human Reliability Analysis
HRM Human Resources Manager
HS Heating Steam / Hand Switch
HS&FP Health, Safety, and Fire Protection
HS&FP HT Health, Safety, and Fire Protection Heat Trace Monitoring
HSE Hose
HSII minus extra I
Human-System Interface
HSSF Hydrogen Storage and Supply Facility Site Access
HSV Heating Steam Vent
HT Heat Tracing
HT/FP Heat Trace/Freeze Protection
HTN Heat Number
HU Human Performance
HUG Holtec Users' Group
HV High Voltage / Heater Vent
HVAC Heating, Ventilation and Cooling / Heating, Ventilating, and Air-Conditioning
HWC Hydrogen Water Chemistry
HWR Heavy Water Reactor
HX Heat Exchanger
HX Heat Exchanger
HY RRC Hydraulic Control
Hz, hz Hertz
I Interlock
I&C Instrumentation and Control
I&E Instrumentation & Electrical
IA Inappropriate Action
IAA Interim Access Authorization
IAAP International Association of Administrative Professionals
IAC Interim Acceptance Criteria (NRC)
IAEA International Atomic Energy Agency
IAW In accordance with
IBA Intermediate Break Accident
IBD Isolated Bus Duct / ISO Phase Bus Duct Cooling
IBDC Isophase Bus Duct Cooling
IBO Isolated Bus Duct
IC Interim C1E
ICEA Insulated Cable Engineers Association (formerly IPCEA)
ICM Interim Compensatory Measure
ICPM Institude of Certified Professional Managers
ICRP International Commission on Radiological Protection
Revised: 04/30/15 19
IDB Integrated Data Base
IDC Incident Detection Circuitry / Industrial Development Complex
IDD Interim Design Drawing
IDLH Immediately Dangerous to Life or Health
IDS Intrusion Detection System / Instrument Data Sheet
IE Inspection and Enforcement
IEEE Institute of Electrical and Electronic Engineers
IEPW Integrated Equipment Performance Workstation
IER INPO Event Report
IFB Invitation for Bid
IGSCC Stress Corrosion Cracking
ILBA Instrument Line Break
ILQP Integrated Limitorque Qualification Program
ILRT Integrated Leak Rate Test
ILT Initial License Training
IMDS Instruments Master Data Sheet
IMSC Information Management Steering Committee
IN Information Notices
in. inch
INEL Idaho National Engineering Laboratory (in Idaho Falls)
INFO INFO only Document References
INOP Inoperable
INPO Institute of Nuclear Power Operations
INST COMP Instrument Components
INWC Inches of Water Column
IOM Interoffice Memorandum
IP Instrument Power / Isolated Phase Bus Duct
IPAC International Participant Advisory Committee
IPAR Integrated Performance Assessment Program
IPCEA Insulated Power Cable Engineers Association (now ICEA)
IPE Individual Plant Evaluation
IPEEE Individual Plant Examination of External Events
IPM Installed Personnel Monitor
IPP Independent Power Producers
IR Instrument Rack
IRB Incident Review Board
IRM Intermediate Range Monitor
IRON Chemical Feed
IS Information Services / Industrial Safety / Interim SRM
IS&FP Industrial Safety and Fire Protection
ISA Instrument Society of America
ISCR Instrument Setpoint Change Request
ISDI IS Department Instructions
ISFSI Independent Spent Fuel Storage Installation
ISI In-Service Inspection
ISI / ITS Important to Safety
Revised: 04/30/15 20
ISM Industrial Safety Manual
ISN Installation Specification Number
ISO CVI Piping Isometrics
ISP Instrument Surveillance Procedure
ISPM Industrial Safety Program Manual
IST In-Service Testing
ITE Inverse Time Element
ITF Information Training Facility
ITPRC Information Technology Program Review Committee
ITR Internal Transfer Request
ITS Improved Technical Specification
IV Independent Verification
IVVI Internal Vessel Visual Inspection
JCI Johnson Controls Inc.
JCO Justification for Continued Operation
JHA Job Hazard Analysis
JHB Job Hazard Breakdown
JIC Joint Information Center / Joint Industrial Council
JIO Justification for Interim Operation
JIS Job Investigation Sheet
JIT Just-in-Time
JPI Jet Pump Instrumentation
JPM Job Performance Measurement
JPR Job Performance Requirement
JPSL Jet Pump Sensing Line
JUMA Joint Utility Management Audit
KAERI Korea Advanced Energy Research Institute
KI Potassium Iodide
kWh Kilowatt Hour
LA Licensing Assistant
LAN Local Area Network
LAR License Amendment Request
LBB Leak Before Break
LBD Licensing Basis Document / LBD Review and Maintenance Manual
LBID Licensing Basis Impact Determination
LBIE Licensing Basis Impact Evaluation
LBS, lbs Pounds
LC Locked Closed
LCF Load Conversion Factor
LCO Limiting Condition of Operation
LCS Licensee Controlled Specification / Leak Control System
LCV Level Control Valve
LD Leak Detection
LDA Leadership Development Association
LDCN Licensing Document Change Notice Form
LDN Listed Directory Numbers
Revised: 04/30/15 21
LDP Lighting Distribution Panel
LDS Leak Detection System
LE Less than or Equal to / Laboratory Equipment (Permanent Plant)
LEAP Law Enforcement Assistance Plan
LED Light Emitting Diode
LEL Lower Explosive Limit
LEP List of Effective Pages
LER Licensee Event Report
LF Laundry Facility
LGL Legal Correspondence
LHGR Linear Heat Generation Rate
LI Level Indicator
LIC Licensing Records / Licensing Correspondence
LIMS Lab Information Management System
LIS Licensing Information Service / Level Indicating Switch
LIT Level Indicating Transmitter
LIV Licensee identified
LLEA Local Law Enforcement Assistance Plan
LLRT Local Leak Rate Testing
LLRW Low Level Radioactive Waste
LMS Learning Management System / Limit Switch
LMT Local Manual Tag
LO Locked Open / Lube Oil (Main Turbine)
LOA Leave of Absence
LOCA Loss of Coolant Accident
LOE Level of Effort
LOOP Loss of Offsite Power
LP Low Pressure / Lighting Panel
LPCI Low Pressure Coolant Injection
LPCS Low Pressure Core Spray
LPD Loose parts Detection
LPDS Loose Parts Detection System
LPFL Low Pressure Flooder
LPRC Long Range Planning Committee
LPRM Local Power Range Monitor
LPT Dye Penetrant
LPZ Low Population Zone
LR Level Recorder / Latching Relay
LRE Latest Revised Estimate
LRF Label Request Form
LR-ISG License Renewal Interim Staff Guidance
LRP Long Range Plan
LRPC Long Range Planning Committee
LRPG Long Range Planning Group
LRRP Long Range Research Plan
LS Level Switch
Revised: 04/30/15 22
LSA Low Specific Activity (radioactive material shipping category)
LSR Load Sensing Relay
LSSS Limiting Safety System Setting
LT Less Than / Level Transmitter
LTA Lost Time Accident
LTP Lower Tie Plate
LTR Lead Technical Reviewer
LUWAS Lowest Unit With Age Significance
LV Low Voltage Distribution
LVDT Linear Variable Differential
LWR Light Water Reactor
m Meters
M Motor / Meterological System / Motor Starter Operating Coil
M&TE Measurement & Test Equipment
M&TE Measurement and Test Equipment
MA Manifold
ma Milliamperes
madc Milliamperes Direct Current
MAI Maintenance Instructions / Maintenance Records
MALT Minor Alterations
MAN Manual
MANS Management Automated Notification System
MAP Manufacturing Automation Protocol
MAPLHGR Maximum Average Planar Linear Heat Generation Rate
MAT Material and Inspect Records
MCC Motor Control Center
MCD Master Computer Disk
MCPR Minimum Critical Power Ratio
MCR Manual Change Request
MD Mail Drop / Miscellaneous Drain
MDC Minor Design Change
MDI Multiple Document Interface
MDL Model Number
MDS Master Data Sheet
ME Mechanical / Moisture Element
MEC Mechanical Drawings
MECH Mechanical Maintenance Equipment
MED Medical Records
MEDR MEL Error Disposition Report
MEL Master Equipment List / Main Energy Loop
MELT Most Error Likely Task
MES Mechanical Engineering Standards
MET Meteorological System
MFI Manu, Fab, Installation / Manuf, Fab, Installation Records
MG Motor-Generator
MGEN-H2 Main Generator
Revised: 04/30/15 23
MH Mounting Height
MHTGR Modular High Temperature Gas Cooled Reactor
MIC Material Inventory Control
MICAA Machine Insulation Condition Assessment Advisor
MID Mfg. Identification Number
MIDS MEL Input Data Sheets
mils thousands of an inch
MIL-STD Military Standard
MIN, min Minute or Minimum
MIR Material Inspection Release
MIS Miscellaneous
ml milliliter
MLCT Manual Local Control Tag
MLD Mean Low Water Datum
MLF Mobile Laundry Facility
MLHGR Maximum Linear Heat Generation Rate
MLT Multi Lift Tool
mm millimeters
MMC Mitigation Monitoring System
MMDS Motor Operator Valves Master Data Sheet
MMIS Materials Management Information System
MMP Minor Modification Package
MMS Mitigation Monitoring System / Materials Management System
MMT Minor Maintenance Task
MO Motor Operated
MOB Maintenance & Operational Bulletin / Monthly Operation Bulletin
MOC Mechnical Operated Contacts, Mechanism Operated Cell
MORT Management Oversight Risk Tree
MOST Maintenance Out of Service Time
MOT Maintenance Optimization Template (PMO)
MOV Motor Operated Valve
MOVP Periodic Verification Program
MOX Mixed Oxide Fuel
MP Material Problem
MP&Q Material, Processes, & Qualifications
MP/H&Vs Makeup Water Pumphouse H&V
MPC Maximum Permissible Concentration / Multi-Purpose Cleaner / Multi-Purpose Canister
MPDC Minor Plant Design Changes
MPF Multi-Purpose Facility
MPL GE Master Parts List
MQCP Manufacturing and Quality Control Plan
MQID Material Qualification Information Documentation
MR Material Request / Multiple Ratio
mR Milliroentgen (Millirem if absorved beta or gamma dose)
mrad Millirad
MRB Material Review Board
Revised: 04/30/15 24
MRC Management Review Committee
MRCSA Motor Run Current Signature Analysis
mrem Millirem
MRG Management Review Group
MRI Maintenance Rule Inspection
MRIT Multiple Reference Impact Testing
MRM Management Review Meeting
MRN Material Receipt Number
MRO Medical Review Officer
MRR Material Receiving Report
MRule Maintenance Rule
MS Main Steam (Nuclear) / Military Specifications / Material Substitution / Manual Switch / Moisture Switch
MS (BOP) Main Steam (Balance of Plant)
MS (NSSS) Main Steam (Nuclear Steam Supply)
MSCR MOV Set point change Request
MSDS Material Safety Data Sheet
MSDT Main Steam Drive Turbine
MSGV Main Steam Governor Valve
MSH Machine Shop Equipment
MS-H&Vs Machine Shop H&V
MSIV Main Steam Isolation Valve
MSIV-LCS Main Steam Isolation Valve-Leakage Control System
MSL Main Sea Level / Main Steam Line
MSLB Main Steam Line Break
MSLC Main Steam Leakage Control
MSLRM Main Steam Line Radiation Monitors
MSN Manufacturer Serial Number
MSP Main Steam Piping
MSR Moisture Separator Re-heater
MSRV Main Steam Relief Valve
MSS Metering Selector Switch
MSTV Main Steam Throttle Valve
MT Cranes and Hoists / Material Transport / Magnetic Test
MTBM Machine To Be Removed
MTE Measuring & Test Equipment
MTI Maintenace Team Inspection / Micro Terminal Interface (COMPUTEROL)
MTP Modification Test Plan
MTS Manual Transfer Switch
MTTF Mean Time To Failure
MTTR Mean Time To Repair
MUDAC Meteorological Unified Dose Assessment Center
MUG MEL User's Guide
MUGM MEL User's Guide Manual
mv millivolts
mvdc Millivolts Direct Current
MVR Material Verification Report
Revised: 04/30/15 25
MW Miscellaneous Waste
MWe Megawatt electric
MWES Materials and Welding Engineering Standards
MWh Megawatt Hour
MWIP Megawatt Improvement Project
MWO Model Work Order
MWP Manual Welding Program / Maintenance Welding Program
MWR Maintenance Work Request / Miscellaneous Waste Radioactive
MX Auxiliary Relay
N North
N/A Not performed / Not Applicable
NAC National Agency Check / Nucana Analog Comparator
NACE National Association of Corrosion Engineers
NAYGN North American Young Generation in Nuclear
NB Nuclear Boiler
NBF Nuclear Fuel
NBI Nuclear Boiler Instrumentation/Backfill/NSSS/Jetpump Inst
NBIC National Board Inspection Code
NBN National Board Number
NBR Nuclear Boiler Rated (power) / Nitrile Butadiene Rubber
NCIG Nuclear Construction Issues Group
NCR NonConformance Report
NCS Nuclear Construction Standards
NCTL Nuclear Component Transfer List
NCV Non Cited Violations
NDE NonDestruction Examination
NDEI NDE&I Instructions
NDT NonDestructive Testing
NDTT Nil-Ductility Transition Temperature
NE Nuclear Engineering
NEC National Electrical Code
NED Nuclear Energy Division (GE)
NEI Nuclear Energy Institute
NEIL Nuclear Electric Insurance Limited
NEMA National Electrical Manufacturers Association
NENL Not Energy Northwest Labor
NEPIA Nuclear Energy Propery Insurance Association
NEQ Nuclear Environmental Qualification
NERC North American Reliability Organization
NES Nuclear Engineering Standards
NESP National Environmental Studies Project
NEUPS Non-Essential Uninterruptable Power Supply
NFPA National Fire Protection Association
NHS Northwest Health Services
NIH National Institute of Health
NII / NITS Not Important To Safety
Revised: 04/30/15 26
NIID Nuclear Industry Information Database
NIIS Nuclear Issues Information Service
NIMBY Not In My Back Yard
NIST National Institute of Standards and Technology
NLO Non-Licensed Operator
NMA National Management Association
NMAC Nuclear Maintenance Applications Center
NMC Nuclear Management Company
NMS Neutron-Monitoring System
NOD Notificaion of Deficiency
NOED Notice of Enforcement Discretion
NOMIS Nuclear Operations & Maintenance Information Services
NOMS Nuclear Operations Management System
NOS Nuclear Operation Standards
NOV Notice of Violation
NP Nuclear Plant / Nuclear Power
NPAR Nuclear Plant Aging Research
NPDE NPDES Manual
NPE Nuclear Power Experience
NPFP Non-Power Block Pre-Fire Plan
NPO Nuclear Products Operations
NPOC Nuclear Power Oversight Committee
NPRDS Nuclear Plant Reliability Data System
NPS Nominal Pipe Size / Day & Zimmermann NPS (DZNPS)
NPSH Net Positive Suction Head
NPT National Standard Taper Pipe Thread
NQA Nuclear Quality Assurance
NQMP Non Qual Management Program Records
NRC Nuclear Regulatory Commission
NRDC Natural Resources Defense Council
NRR Office of Nuclear Reactor Regulation
NSAC Nuclear Safety Analysis Center
NSAD Nuclear Safety Assurance Division
NSAG Nuclear Safety Analysis Group
NSCA Nuclear Safety Culture Assessment
NSIAC Nuclear Strategic Issues Advisory Committee
NSIP Nuclear Safety Issues Program
NSO Nuclear Security Officer
NSOA Nuclear Safety Operational Analysis
NSQ Not Seismically Qualified
NSR NonSafety-Related
NSSE Nuclear System Service Equipment
NSSS Nuclear Steam Supply System
NSSSS Nuclear Steam Supply Shutoff System
NTE Not To Exceed
NTOL Near Term Operating Licensee
Revised: 04/30/15 27
Nts Asset Suite Text by Topic
NTSP Nominal Trip Setpoint
NUBARG Nuclear Utility Backfitting and Reform Group
NUEXCO Nuclear Exchange Corporation
NUGEQ Nuclear Utility Group on Equipment Qualification
NUMARC Nuclear Management and Resources Council
NUPIC Nuclear Procurement Issues Committee
NUPLEX Nuclear Plant Life Extension
NUPPSCO Nuclear Power Plant Standards Committee
NUREG Nuclear Regulation
NUS Nuclear Utilities Service Corp.
NVLAP National Volunteer Laboratory Accreditation Program
NWB Natural Wet-Bulb Temperature
NWPPA Northwest Public Power Association
NWPPC Northwest Power Planning Council
O&M Operations & Maintenance
O&MRs Operations and Maintenance Reminders
OACC Offsite Agency Coordination Center
OBE Operating Basis Earthquake
OBSP Obsolescence Program Plan Manual
OCC Outage Command Center
OCR Optical Character Recognition
OCS Operability Check Sheet
OD Outside Diameter / Operability Determination
ODCM Offsite Dose Calculation Manual
ODMI Operational Decision Making
ODS Operating Deflection Shape
OE Operating Experience
OEA Operating Experience Assessment
OEAD Operating Experience Assessment Department
OEE Operating Experience Evaluation
OEIT Operational Efficiency Implementation Team
OEM Original Equipment Manufacturers
OER Operation Experience Review
OERD Operating Experience Review Department
OEWG Operating Experience Work Group
OFEA Offsite Facility Exhaust Air
OFM Operational Focus Meeting
OFMA Offsite Facility Mixed Air
OFOA Offsite Facility Outside Air
OFRA Offsite Facility Recirculation Air
OG Off Gas
OG-HVAC Off-Gas Vault HVAC
OHI Occupational Health Instructions
OI Operations Instructions
OIR Open Issues Report
Revised: 04/30/15 28
OIS Office Information Services
OJE On the job training/On the job evaluation
OJT On-The-Job Training
OL Operating License / Obstruction Lighting
OL2R Off Line To Running (aka - Hot & Cold alignment)
OLE Object Linking & Embedding
OMI Outage Management Instructions
OMM Operation Maintenance Manuals
OOS Out-of-Service
OOT Out-of-Tolerance
OP Operating Procedures
OPDRC Operations with a Potential for Draining the Reactor Cavity
OPDRV Operations with a Potential for Draining the Reactor Vessel
OpESS Operating Experience Smart Samples
OPO Open Purchase Order
OPRM Oscillation Power Range Monitor
OPS Operations / Operations Records
OpSvc Operational Service Flag
OQAPD Operational Quality Assurance Program Description
ORAM Outage Risk Assessment Management
ORNL Oak Ridge National Laboratory
OSC Operation Support Center
OSCR Outage Scope Control Request
OSHA Occupational Safety & Health Administration
OSP ORAM Sentinel Program
OSRE Operation Safeguards Response Evaluation
OSRE Operational Safeguards Readiness Evaluation
OST Operations Support Teams
OSTI Operational Safety Team Inspection (Conducted by NRC)
OT Operating Transient
OTA Open To Alarm
OTHR Other/Misc Documents
OTSA On The Spot Award
P Process Computer / Pump
P&ID Piping and Instrumentation Diagram
P/N Part Number
PA Performance Appraisal / Public Address (system)
PAA Protected Area Access
PAAP Protected Area Access Point
PABX Private Automatic Branch Exchange
PADs Personnel Access Data System
PAF Part Approval Flag
PAM Post Accident Monitoring
PAN Provisional Acceptance Number
PANL Panel Wiring/Term Instruction
PAP Primary Access Point
Revised: 04/30/15 29
PAR Protective Action Recommendation
PARB Performance Assessment Review Board
PASS Post Accident Sample System
PAT Plant Access Training
PBSA Performance-Based Supplier Audit
PBX Private Branch Exchange
PC Personal Computer
PCB Printed Circuit Board / Polychlorinated Biphenyl
PCC Power Computing Company / Pump Control Cabinet
PCE Personnel Contamination Events
PCIOMR Preconditioning Cladding Interim Operating Management Recommendation
PCIV Primary Containment Isolation Valve
PCLRT Primary Containment Leak Rate Test
PCN Project Change Notice / Procedure Change Notice / Partial Completion Notice
PCOM Plant Communications
PCP Project Change Proposal
PCR Product Certification Report
PCRVICS Primary Containment and Reactor Vessel Isolation Control System
PCS Process Computer System
PCT Peak Cladding Temperatures
PCV Pressure Control Valve
PD Pitch Diameter
PDC Plant Design Change
PDCI Pacific 500kV DC Intertie (BPA)
PDF Procedure Deviation Form
PDI Procurement Department Instructions
PDIS Plant Data Information System
PDM Printing Demand Meter
PDP Power Distribution Panel
PDR Plant Deficiency Report
PDS Plant Design Standards
PE Polyethylene / Pneumatic-Electric Relay
PEA Pumphouse Exhaust Air
PEC Plant Engineering Center
PED Plant Emergency Director
PEL Permissible Exposure Limit
PEP Performance Enhancement Program
PER Problem Evaluation Request
PERRG PER Review Group
PERS Public Employees’ Retirement System
PF Portable Filter
PFAR Periodic Functional Area Report
PFM Power Factor Meter
PFP Project Funding Plan
PFSS Post Fire Safe Shutdown
PFT Pulmonary Functional Test
Revised: 04/30/15 30
PG&E Pacific Gas & Electric
PGCC Power Generation Control Complex
PGE Portland General Electric
PGM Plant General Manager
PHC Plant Health Committee
PHE Photoelectric
PHQ Personal History Questionnaire
PI Pressure Indicator / Pressure Gauge / Performance Improvement / Performance Indicator / Plant Implemented / Priority Index / Process Instrumentation
PI&R Problem Identification and Resolution
PIC Person in Charge / Plant Information Center (INPO)
PICS Pictures
PID PER Interim Disposition
PIF Project Identification Form
PIN Parts Identification Number (GE)
PIP Performance Improvement Plan / Position Indicator Probe
PIT Pressure Indicating Transmitter
PKA Primary Knock on Atom
PL Plant Equipment
PLEX Plant Life Extension
PLHCP Physician or Other Licensed Health Care Professional
PM Project Manager / Plant Maintenance / Preventive Maintenance
PM/CM Preventive Maintenance / Corrective Maintenance
PMA Pumphouse Mixed Air
PMB PM Basis Document
PMCR Preventive Maintenance Consolidated Recommendation
PMF Probable Maximum Flood
PMG Permanent Magnet Generator
PMIS Plant Monitoring and Information System
PMO Preventive Maintenance Optimization
PMP Preventive Maintenance Program
PMR Plant Modification Record
PMRC Preventive Maintenance Review Committee
PMS Permissive Switch
PMT Post Maintenance Test
PNL Pacific Northwest Laboratory
PNNL Pacific Northwest National Laboratory
PNOs Preliminary Notifications of Events and Unusual Occurrences
PNPC Pacific Northwest Power Company
PNUCC Pacific Northwest Utilities Conference Committee
PNW Pacific Northwest (BPA)
PO Purchase Order
PO&Cs Performance Objectives and Criteria
POA Pumphouse Outside Air
POC Plant Operations Committee
POD Plan of the Day
Revised: 04/30/15 31
POE Picture of Excellence
POP Premium Only Plan
POS Position Switch
POT Position Transmitter
PP Power Panel
PP&L Pacific Power & Light
PPC Public Power Council / Plant Process Computer
PPE Personnel Protective Equipment
PPF Project Proposal Form
PPFP Power Block Pre-Fire Plan
PPI Policies, Procedures, and Instructions
PPICS Power Plant Information and Control System
PPL Preliminary Projects List
PPM Plant Procedures Manual
PPM, ppm Parts Per Million
PPRC Plant Project Review Committee
PQC Part Quality Certificate
PQCE Plant Quality Control Engineer
PQD Personnel Qualification Directory / Personnel Qualification Database
PQR Procedure Qualification Records / Process Qualification Reports
PQS Personnel Qualification System
PR Purchase Requisition
PRA Probabilistic Risk Analysis / Pumphouse Return Air
PRB Participants' Review Board
PRC Project Review Committee / Procurement Specifications / Procurement Records / Procurement Correspondence
PRD Pressure Reducing Damper
PRF Procedure Review Forms
PRG Project Review Group
PRIDE Pride In Performance document
PRM Power Range Monitor / Process Radiation Monitoring
PRM-STACK Radioactive Drains
PRNM Power Range Neutron Monitors
PROT Passive Required Operating Time
PRS Procedure Review Subcommittee
PRT Project Review Team
PRW Planning and Development
PS Pressure Switch / Process Sampling
PSA Performance Self-Assessment / Probabilistic Safety Assessment
PSAR Preliminary Safety Analysis Report
PSC Plant Safety Committee
PSCFs Penetration Seal Control Forms
PSD Power Spectral Density / Plant Sanitary Drain / Procurement Specification Deviations
PSEG Public Service Enterprise Group
PSF Plant Support Facility
PSI Pre-Service Inspection
PSIA, psia Pounds per square inch (absolute)
Revised: 04/30/15 32
PSIG, psig Pounds per square inch (gauge)
PSM Policy Statements Manual
PSO Planning Scheduling & Outage
PSP&L Puget Sound Power & Light
PSQ Position-Specific Qualification
PSR Primary (Process) Sampling Radioactive
PSR/PASS Process Sampling Radioactive
PSRO Production Senior Reactor Operator
PSTS Penetration Seal Tracking System / Plant Seal Tracking System
PSW Plant Service Water
PT Pressure Transmitter / Personal Time / Dye Penetrant Test / Potential Transformer
PTB Personal Time Bank
PTCD Planned To Complete Design
PTFE Polytetrafluorethylene (Teflon)
PTL Plant Tracking Log
PTM Plant Technical Manager
PTR Post Trip Review
PTS Procedure Tracking System / Pressurized Thermal Shock
Pu Plutonium
PUD Public Utility District
PURPA Publis Utilities Regulatory Policy Act
PV Peer Verification
PV&V Program Verification & Validation
PVC Polyvinyl Chloride
PVM Plant Vibration Monitoring
PVMS Plant Vibration Monitoring System
PVORT Pump & Valve Operability Review Team (NRC)
PVR Process Vents Radioactive
PVRC Pressure Vessel Research Council
PVS Plant Vent Stack
PVT Pump and Valve Inservice Test
PVTPP Pump and Valve Inservice Test Program Plan
PW Potable Water
PWC Potable Cold Water
PWH Potable Hot Water
PWML Predefined Work List
PWR Pressurized Water Reactor / Process Waste Radioactive
PWRP Production Work Routing Plans
PWTIs Panel Wiring Termination Instructions
PWTP Pipe Wall Thining Program Plan
QA Quality Assurance / Quality Assurance Records
QAC Quality Assurance Class
QAP Quality Assurance Procedures
QAPD Quality Assurance Program Description
QAR Quality Assurance Records
QAT Quality Action Team
Revised: 04/30/15 33
QC Quality Control / Quality Class
QC 2+ / QC II+ / QC A
Quality Class A
QC1 Quality Class 1
QCF Quality Concern & Follow-Up Form
QCI Quality Control Instructions
QCIP Qualtiy Control Inspection Plan
QCR Quality Controlled Rebuilders
QDL Qualifying Document List
QFEE Quest For Excellence
QFR Quality Finding Report
QID Qualification Information and Documentation / Equipment Qualifications
QMS Qualification Management Services
QPL Qualified Product List
QPR Qualified Procedure Reviewer
QRMS Qualification Related Maintenace Summary
QSI Quality Services Instruction
QSM Quality System Manual
QTE Qualification Testing Evaluation
Qual Qualification
QUAL Qualification Directory
R, RB Reactor Building
R.P. Relay Panel
RAC Radioactive Material Control
RAD Radiation / Radiation Absorbed Dose
RAI Request for Additional Information (NRC Term)
RAPID Readily Assessable Parts Information Directory
RAS Remote Access System
RAW Risk Achievement Worth
RBM Rod Block Monitor
RC Recorder Chart / Reactivity Control
RCA Radiologically Controlled Area / Root Cause Analysis
RCC Reactor Closed Cooling Water
RCE Root Cause Evaluation
RCIC Reactor Core Isolation Cooling
RCM Reliability Centered Maintenance
RCP Reactivity Control Plan
RCPB Reactor Coolant Pressure Boundary
RCRA Resource Conservation & Recovery Act
RCS Reactor Coolant System
RCV Receiving Individual
RCW Revised Code of Washington
RD Roof Drain
RDC Restart Decision Committee
RDCS Rod Display Control System
RDI Resource Development Instructions
Rdoc Asset Suite Document References
Revised: 04/30/15 34
RDS Radioactive Drains and Sumps
RE Responsible Engineer
REA Reactor Building HVAC Exhaust / Reactor Building Exhaust Air
REC Corporate Records
REEF Ruel Entry/Evaluation Form
REF Reference
REM Roentgen Equivalent Man
REMP Radiological Environmental Monitoring Program
RER Radiation Exposure Records / Regulatory Effectiveness Review
RES Resistor
RF Refuel
RFI Radio Frequency Interference
RFID Radio Frequency Identification
RFO Requirement For Operation
RFP Request for Proposal
RFS Request For Service
RFT Reactor Feedwater Turbine
RFTS Request for Technical Services
RFW Reactor Feedwater
RFWS Reactor Feedwater & Condensate Supply Systems
RG Regulatory Guide
RGSC Ramp Generator Signal Converter
RH&V Reactor Building HVAC
RHC ReHeat Coil
RHCP Reheater Contactor Panel
RHR Residual Heat Removal
RHRB Residual Heat Removal B
RHRC Residual Heat Removal C
RHRS Residual Heat Removal System
RHVAC Reactor Building Emergency Cooling
RICSIL Rapid Information Communication SILs
RIDS Records Inventory and Disposition Schedule
RIE Replacement Item Equivalency
RIF Reduction In Force
RIM Required Input Motion
RIP Receipt Inspection Plan / Reactor Internal Pumps
RIR Receiving Inspection Reports
RIS Regulatory Issues Summaries
River Environmental Monitoring River (Monitoring)
RL Remote Location
RM Recovery Manager
RMA Risk Management Actions
RMC Reactor Manual Control / Records Management Correspondence
RMCS Records Management Control System / Reactor Manual Control System
RMDS Relief Valves Master Data Sheet
RMI Records Management Instruction
Revised: 04/30/15 35
RMS Remote Manual Switches
RMSA Radioactive Material Storage Area
RMTSD EC ReMoTe ShutDown Equipment Class
RO Reactor Operator / Radiation Occurrence
ROA Reactor Building HVAC Outside Air
ROC Record of Conversation / Richland Office Complex
ROF Reduction of Force (RIF)
ROR Radiological Occurrence Report
ROT Required Operating Time
RP Radiation Protection
RPI Regulatory Program Instructions
RPIS Rod Position Information System / Rod Position Indicator System
RPM, rpm Revolutions per Minute
RPS Reactor Protection System
RPSA Reactor Protection System A (ARI Water)
RPSB Reactor Protection System B (ARI Water)
RPT Reactor Pump Trip / Recirculation Pump Trip
RPV Reactor Pressure Vessel / Reactor Protection Vessel
RPV/SRV Reactor Pressure Vessel/Safety Relief Valves
RPWH Reactor Building Potable Hot Water
RR Turbine Governor Runback Relay
RRA Reactor Recircuilation Loop A / Reactor Building Return Air
RRB Reactor Recircuilation Loop B
RRC Reactor Recirculation
RRCI Reactor Recirculation System Instrumentation
RROP Revised Reactor Oversight Process
RRS Required Response Spectra
RRT Rapid Response Team
RRW Risk Reduction Worth
RSC Radioactive Shipping Coordinator
RSCL Reactor Safety Counter Parts Line
RSCS Rod Sequence Control System
RSD Remote Shutdown
RSDS Response Spectra Database System
RSE Reactor Service Equipment
RSO Reactor System Outline
RT Radiography Test
RT&C Revision Tracking and Control
RTB Reactor Trip Breaker
RTC Rated Transfer Capability (BPA)
RTD Resistance Temperature Detector
RTF Run To Failure
RTM Requirements Trace Matrix / Running Time Meter
RTP Reactor Thermal Power / Rated Thermal Power
RTR Real Time Report
RTS Requirement Tracking System
Revised: 04/30/15 36
RTT Response Time Test
RTV Room Temperature Vulcanizing
RTW Ready To Work
RUEL Restricted Use Equipment List
RUSL Rarely Used Inventory Stocking Logic
RVDS Relief Valve Setpnt Data Sheet
RW Radwaste
RWCR Radwaste Control Room
RWCU Reactor Water Cleanup
RWCUFD Reactor Water Cleanup Filter/Demineralizer
RWCUP Reactor Water Cleanup Piping
RWE Control Rod Withdrawal Error
RWHVAC Radwaste Building HVAC
RWM Rod Worth Minimizer / Rod Worth Monitor
RWP Radiation Work Permit
RwyCivCR Raceway Civil Calc. Record
Rx, RX Reactor
RXSU Reactor Start Up
S South / Sampling / Manual Synchronizing
S&W Stone & Webster
S/S Selector Switch
SA Service Air / Self-Assessment
SAAP Special Access Authorization Program
SACF Single Active Component Failure
SADs Sub-Assembly Data Sheets
SAE Society of Automotive Engineers
SAF Single Active Failure
SAG Severe Accident Guidelines
SAL Service Advice Letter (GE)
SALP Systematic Assessment of Licensee Performances
SAM Small Article Monitor
SAMA Severe Accident Mitigation Alternatives Analysis
SAR Safety Analysis Report
SARB Self Assessment Review Committee
SARC Self-Assessment Recommendation Assignments
SAS Secondary Alarm System
SASI Swanson Analysis Systems Incorporated
SASMT Self Assessment
SAT Satisfactory / Systematic Approach to Training / Sulfuric Acid Treatment
SBA Small Break Accident
SBAC Standby AC Power Supply
SBAC (E) Standby AC Power (Electrical)
SBAC (M) Standby AC Power (Mechanical)
SB-HVAC Security Building HVAC
SBI State Boiler Inspector
SBO Station Blackout
Revised: 04/30/15 37
SBWR Simplified Boiling Water Reactor
SC Safety Communications / Sealed Closed / Supervisory Control System
SCADA Supervisory Control and Data Acquisition (BPA)
SCAQ Significant Condition Adverse to Quality
SCBA Self Contained Breathing Apparatus
SCC Stress Corrosion Cracking
SCCL Specification Criteria Control Log
sccm Standard Cubic Centimeters per Minute
SCE Southern California Edison
SCE&G South Carolina Electric & Gas
SCEW System Component Evaluation Worksheets
SCF Single Component Failure / Seal Control Form
SCFM, scfm Standard Cubic Feet per Minute
SCH Service Building Chilled Water System
SCI Sensitive Compartmented Information / Supervisory Control
SCN SAR Change Notice / Safety Analysis Report Change Notice / Specification Change Notice
SCO Show Cause Order
SCR Silicon Controlled Rectifiers
SCRAM deenergization of both divisions of Reactor Protection System
SCRAM Safesty Control Rod Ax Man
SCS Supply Chain Services
SCSI Supply Chain Services Instructions
SCW Stator Cooling Water
SCWE Safety Conscious Work Environment
SD Splitter Damper / Smoke Detector
SDA Software Detailed Assessment
SDC Security Data Center / Scenario Development Committee
SDD Software Design Description
SDI Security Department Instructions
SDM Shut Down Margin
SDO Standards Development Organization
SDOF Single Degree Of Freedom
SDSP Shutdown Safety Plan
SDV Scram Discharge Volume
SE Shift manager / Substitution Evaluation
SEA Service Building Exhaust Air
SEC Security Force Training Record / Security Program Manuals / Security Program Procedures / Security Program / Contract Section Number / Security System / Plant Security
SEE-IN Significant Event Evaluation and Network
SEF Single Equipment Failure
SEIS Seismic Monitoring System
Seismic Seismic Instrumentation
SEM Scanning Electron Microscope
SEN Significiant Event Notification
SEP Standby Electrical Power
Revised: 04/30/15 38
SEPM Single Entry Passage Mode
SER Significant Event Report / Safety Evaluation Report
SERT Significant Events Response Team
SF Single Failure (NSOA)
SF6 Sulfure Hexafluoride
SFS Spent Fuel Storage
SGI Safeguard Information
SGI-M Safeguards Information - Modified
SGT / SGTS Standby Gas Treatment System
SH&V Service Building HVAC
sh. sheet
SHARP Safety Hazard Recognition Program
SHCO Service Building Heating Condensate
SHHW Service Building Heating Hot Water System
Shutdown Temps
Shutdown Safety Plan Temperatures
SIC Specific Inductive Capacity
SIL Service Information Letters
SIR Safe Integral Nuclear Reactor
SITS System Interface Terminations (GE)
SJAE Steam Jet Air Ejector
SLC Standby Liquid Control
SLCS Standby Liquid Control System
SLF Seismic Load Factor
slm Standard Liters per minute
SLR Stnds Lab Calibration Records
SLUR Second Level Under Voltage Relay
SM Shift Manager / Seismic Monitoring System / Salinity (salt) Monitoring
SMA Service Building Mixed Air
SMACNA Sheet Metal and Air Conditioning Contractor National Association
SMART Senior Management Alignment, Reinforcement, and Trust Meeting
SMAW Shielded Metal Arch Welding
SMDRs Supplier Manufacturing Deviation Reports
SME Subject Matter Expert
SMLS Stem Mounted Limit Switches
SMR Small Modular Reactor
SMRG Senior Management Review Group
SMS Scheduled Maintenance System / Seismic Monitoring System / Systems Management Server
SMSC Senior Management Safety Committee
SMUD Sacramento Municipal Utility District
SNE Shift Nuclear Engineer
SNL Standard National Laboratories
SNUPPS Standard Nuclear Unit Power Plant System
SO Sealed Open / Seal Oil
SOB Special Operational Bulletin
SOE Single Operator Error
Revised: 04/30/15 39
SOER Significant Operating Experience Report
SOMS Shift Operations Management System
SOP Standard Operating Procedure / Step Off Pad
SP Suppression Pool / Sudden Pressure
SPC Design Specifications / Vendor Specifications / Supplemental Purchasing Clause / Spare Parts Catalog
SPDS Safety Parameter Display System
SPE Spare Parts Engineering
SPERs Significant Problem Evaluation Requests
SPES Spare Parts Eng Standard
SPF Single Point of Failure
SPFV Single Point Failure Vulnerability
SPH&V Standby Service Water Pumphouse H&V
SPIP Security Plan Implementing Procedure
SPN Spare Parts Number
SPOOL Simultaneous Peripheral Operations On Line
SPPIP Supplemental Personnel Performance Improvement Plan
SPPR Semiannual Plant Performance Review (NRC)
SPS Standby Power Source
SPT Sequential Program Timer
SPTM Suppression Pool Temperature Monitoring
SPUD Standard Procurement and Use Policies
SPUP Standard Procurement and Use P
SPV Single Point Vulnerability / Solenoid Pilot Valve
SPWH Service Building Potable (drinkable) Hot Water
SQA Software Quality Assurance
SQI Supplier Quality Instructions
SQR Supplier Quality Release
SQRT Seismic Qualification Review Team
SQUG Seismic Qualification Utilities Group
SR Safety-Related / Surveillance Requirements
SRA Service Building Return Air
SRB Staff Review Board
SRC Sound Reasons to the Contrary
SRD Spring Release Device
SRF Scram Reduction Frequency
SRM Safety-Related Mechanical / Source Range Monitor
SRO Senior Reactor Operator
SRP Standard Review Plan
SRS Software Requirement Spec / Standard Response Spectrum
SRSS Square Root of the Sum of the Squares
SRUM Station Rollup Meeting
SRV Safety Relief Valve
SRVAM SRV Acoustic Monitoring
SS Supply System / Stainless Steel / Safe Shutdown / Sealing Steam / Synchronizing Switch
S-S/V Side-to-Side/Vertical
Revised: 04/30/15 40
SSA Safe Shutdown Analysis
SSAC Senior Site ALARA Committee
SSC Structures, Systems, and Components
SSDC Supply System Decision Center
SSE Safe Shutdown Earthquake
SSER Supplementary Safety Evaluation Report
SSFI Supply System Functional Inspection
SSID Service Set Identifier
SSOMI Safety System Operational Modification Inspection
SSPC Steel Structures Protective Coatings
SSPV Scram Solenoid Pilot Valve
SSRAP Senior Seismic Review and Advisory Panel
SSS Shift Support Supervisor
SSSC Senior Site Safety Committee
SSW Sacrificial Shield Wall / Standby Service Water
STA Shift Technical Advisor
STACK-MON Stack Monitor
STAR Startup, Testing, Analysis and Reporting
STC Shunt Trip Coil
STD Standards
STETS Safety Tagging and Equipment Tracking System
STL Structural Drawings
STP Scientifically Tested and Proven
STR Starter
STS Standard Technical Specifications / Standard Threshold Shift
SU Startup
SUP Start Up System Number
SupCR Support Calc. Record
SupDLd Support Design Loads
SURV Surveillance
SV Solenoid Valve Contact
SVC Static Var Compensator
SVVP Software Verification and Validation Plan
SVW Stator Cooling Water
SW Service Water / Southwest / Standby Service Water
SWA Solid Waste
SWCF Service Water Chemical Feed
SWG Standards Working Group / Site Wide Procedure manual
SWGR Switchgear
SWP Site Wide Procedures
SWPC Step Wave Pulse Converter
SWU Separate Work Unit
SXPM Single Exit Passage Mode
SYN Synchroscope
SYS Systems Manual / System and EPN Records
T Throttled / Thermostat / Temperature meter
Revised: 04/30/15 41
T, TB, TGB Turbine Building
T/C Thermocouple
TAA Temporary Access Authorization
TAF Top of the Active Fuel
TAG Training Advisory Group
TAR Training Attendance Record
TASM Temporary Alterations in Support of Maintenance
TB Terminal Box
TCHG Temporary Change
TCN Temporary Change Notice
TCP/IC Transmission Control Protocol/Internet Protocol
TCV Turbine Control Valve / Temperature Control Valve
TDAS Transient Data Acquisition System
TDC Technical Data Center / Time Delay Closing Contact
TDDO Time Delay Dropout Relay
TDI Training Department Instructions
TDMA Time Division Multiple Access
TDO Time Delay Opening Contact
TDP Technology Directorate Procedure
TDPU Time Delay Pickup Relay
TDR Time Distribution Report / Time Domain Reflectometry
TE Temperature Element
TEA Turbine Building Exhaust Air
TEC Technical Memorandums / Technical Records
TEDE Total Effective Dose Equivalent
TEFC Totally Enclosed Fan Cooled
TEMP Temperature
TENV Totally Enclosed Non-Ventilated
TER Technical Evaluation Request
Term., term. Terminal
TES Total Exposure System / Temporary Energy Sources
TET Transition to EWD Task
TFC Tank Fill Connection
TFE Polytetrafluoroethylene
TFI Technical File Index
TG Turbine-Generator / Top Grille (vertical above 6'-0")
TGA Thermo Gravimetric Analysis
TGB Turbine Generator Building
TGHVAC Turbin Generator Heating, Ventilation, Air Conditioning
TGV Turbine Governor Valve
TH&V Turbine Building H&V
THC Thermal Converter
THD Thermodetector in Motor
ThermPerf Plant Thermal Performance
TIC Temperature Indicating
TID Total Integrated Dose
Revised: 04/30/15 42
TIP Traversing In-Core Probe
TIS Temperature Indicating Switch
TK Time Delay Relay
TLD Thermoluminescent Dosimeter
TM Technical Memorandum / Timer
TMAF Tray Margin Availability Factor
TMR Temporary Modification Request
TMU Tower Makeup (pumphouse) Water
TMU/CBD Tower Makeup/Circulating Water Blowdown
TO Turbine (lube) Oil
TOA Turbine Building Outside Air
TOC Table Of Contents
TOL Thermal Over Load
TOT Total Outage Time
TP Transition Point
TPE Task Performance Evaluation
TPI Training Performance for Improvement
TPL Temporary Parts List
TPM Thermal Power Monitor / Training Procedures Manual
TPWH Turbine Building Potable (drinkable) Hot Water
TQA The Quality Advantage
TR Top Register (vertical above 6'-0")
TRA Turbine Building Return Air
TRAINED Tuition Reimbursement & Incentives for Employee Development
TRANSF Transformer
TRB Training Review Board / Backup Transformers
TRC Technical Review Committee (NCR Process)
TRD Transducer
TREQ Training Request
TRIC Training Requirements Identification Committee
TRIDEC Tri-City Industrial Development Council
TRM Main Transformer - M
TrMAF Tier Margin Availability Factor
TRN Training Program Records / Main Transformer - N
TRS Test Response Spectra / Startup Transformer / Technical Response Spectrum
TRT Total Restoration Time
TRX Transformer
TS Technical Specifications / Temperature Switch
TSAS Technical Specification Action Statement
TSB Technical Specifications Bases
TSC Technical Support Center
TSC - H&V Technical Support Center HVAC
TSD Technical Services Division
TSI Technical Specification Interpretation / Turbine Supervisory Improvement Program
TSIN Technical Specification Implementation Notes
TSIP Technical Specification Improvement Program
Revised: 04/30/15 43
TSL Technical Specification Limit
TSMAF Support Margin Availability Factor
TSP Trouble Shooting Plan
TSR Terminate and Stay Resident
TSSM Technical Support Staff and Managers
TSSR Technical Specification Surveillance Requirement
TSTF Technical Specification Task Force
TSW Plant Service Water / Turbine Building Service Water
TT Temperature Transmitter
TTC Torque Thrust Cell
TTG Table Top Guide
TTM Technical Training Management
TTP Technical Training Procedures
TTV Trip Throttle Valve
TUR Test Uncertainty Ratio
TURB Main Turbine
TURB/LO Turbine Lube Oil
TUS Training Update System
TVA Tennesse Valley Authority
TWA Time Weighted Average
u/µ Micro (1 x 10-6 as in microcurie - mCi)
U3O8 Triuranium Octoxide (Yellowcake)
UAA Unescorted Access Authorization
UAAP Unescorted Access Authorization Program
UBC Uniform Building Code
UDE Unplanned Design Error
UE Unusual Event
UE&C United Engineers and Constructors
UF6 Uranium Hexafluoride
UFSAR Update Final Safety Analysis Report
UL Underwriters Laboratories, Inc.
UNC Unified Coarse Thread
UNF Unified Fine Thread
UNS Unified Straight Thread
UNSAT Not Satisfactory
UPS United Parcel Service / Uninterruptible Power Supply
URI Unresolved item
USA Utilities Service Alliance
USAR Updated Safety Analysis Report
USCEA US Council for Energy Awareness
USCGS United States Coast and Geodic Survey
USGS United States Geological Survey
USI Unresolved Safety Issue
USNRC United States Nuclear Regulatory Commission
USQ Unresolved Safety Question
USQA Unreviewed Safety Question Analysis
Revised: 04/30/15 44
UST&D U.S. Tool & Die
USW Upset Shape Welder
UT Ultrasonic Examination / User Training
UTP Upper Tie Plate
UVD Under Voltage Device
V Valve / Voltmeter
V&V Validation & Verification
V, v Volt
V.T. Vapor Tight
VAC Vacuum
VAC/vac Volts Alternating Current
VAR Varmeter
VARH Varhour Meter
VCA Vertical Control Accelerometer / Voice Connecting Arrangement
VCAR Vendor Corrective Action Report
VCP Verified Computer Program Inventory
VD Volume Damper
VDC/vdc Volts Direct Current
VDT Video Display Terminal
VER Reviews, Validation, & Verification
VES Vessel (Sect. 8, Non Power Block)
VET Voluntary Entry into a TSAS
VIP Vendor Inspection Plan / Vessel Internals Program
VLV Valve
VP Vice President
VPF Vendor Print File Number
VPI Vacuum Pressure Impregnation
VPI-LVDT Valve Position Indication - Linear Variable Differential Transformer
VPN Virtual Private Network
VRMA Variable Speed Drive Building Mixed Air
VRQC Valve Repair Quality Cont Manual
VS Vibration Switch / Voltmeter Switch
VT Visual Testing
VT2 Visual Exam Test Sheet
W West / Wattmeter
W.P. Weather Proof
WAC Washington Administrative Code
WANO World Association for Nuclear Operators
WBGT Wet Bulb Globe Temperature
WBL Work Base Learning (refers to: High School Student)
WBS Work Breakdown Structure
WC, wc Water Column
WCG Work Control Group
WCH Radwaste Building Chilled Water
WCI Work Control Instructions
WCN Wolf Creek Nuclear
Revised: 04/30/15 45
WCS Work Control Specialist
WDMF WIP Data Management Form
WEA Radwaste Building Exhaust Air
WECC Western Electric Coordinating Council
WELD Weld Records
WF White Finding
WG, wg Water Gauge
WH Watthour meter
WH&V Radwaste Building HVAC
WHA Water Hammer Arrestor
WHCO Radwaste Heating Condensate
WHSE Warehouse
WIN US Women in Nuclear
WIP Work In Process (part of MEL)
WISHA Washington Industrial Safety and Health Act
WLC Wyle Library Code
WMA Radwaste Building Mixed Air
WNP WPPSS Nuclear Project
WNP2 Washington Nuclear Plant 2 (Columbia Generating Station)
WO Work Order
WOA Radwaste Building Outside Air
WOG Westinghouse Owners Group
WOT Work Order Tasks
WP Work Order Package / Work Permit
WPPSS Washington Public Power Supply System
WPS Weld Procedure Specification
WPWH Radwaste Building Potable Hot Water
WR Work Request
WRA Radwaste Building Return Air
WRE Radwaste Building Refrigeration
WRM Wide Range Neutron Monitoring / Wide Range Monitoring
WSCC Western Systems Coordinating Council (BPA)
WT Makeup Water Treatment System
WTC Worst Target Comparisons / Work to Completion
WTHVAC Water Treatment HVAC
WV Worker Verification
WW Wet Well
x/Q Atmospheric dispersion factors (based on MET data)
XLPE Cross-Linked Polyethylene
XMT B&R Transmittals
XREF Asset Suite Cross-Reference
XRF X-ray Fluorescent Technology
Y2K Year 2000
ZINC Chemical Feed System
ZPA Zero Period Acceleration
ZTEF Zero Tolerance for Equipment Failures
Revised: 04/30/15 46
ΔP Differential Pressure