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Industry Acronyms & Terms Glossary

A

Advanced Process Control (APC)

Alarm Management

Alarm Philosophy

Alarm Priority
Alarm Rationalization

Alarm Selection

ANSI ISA-16511 (IEC 61511)

ANSI ISA-18.2-2009

Arc Flash Hazard

Area Classification

As Low as Reasonably Practicable (ALARP)

Automated Valve

Automatic Shutdown System

Availability (Reliability Engineering)

B

Balanced Design

Barrier Management

Basic Process Control Systems (BPCS)

Breakdown Maintenance

Burn-In
Burner Management System (BMS)

C

Calibration Curve

Cause & Effect (C&E)

Cause of Failure

Center for Chemical Process Safety (CCPS)

Central Utilities Plant (CUP)

Certified Functional Safety Expert (CFSE)

Code of Federal Regulation (CFR)

Combustion Control System (CCS)

Common Cause Failure

Common Mode Failure

Compliance Auditing

Computational Fluid Dynamics (CFD)

Conditional Modifier

Consequence Modeling

Control Hazard and Operability Study (CHAZOP)

Critical Control Point (CCP)

D

De-energization

Dispersion Modeling

Distributed Control System (DCS)

Double Jeopardy

Dust Hazard Analysis (DHA)

Dynamic Simulation

E

Emergency Shutdown System (ESD)

Emergency Response Planning Guideline (ERPG)

Enabling Condition

Environmental Protection Agency (EPA)

Event Tree Analysis (ETA)

F

Facility Siting Study

Factory Acceptance Testing (FAT)

Fail Closed - Fail Open

Failure Modes and Effects Analysis (FMEA)

Fault Tolerance

Fault Tree Diagram

Fire and Gas Mapping

Fire and Gas Philosophy

Frequency

Front End Loading (FEL)

Functional Safety

Functional Safety Assessments (FSA)

Functional Test

G

Gas Detection System

Gas Reclamation

H

Hardware Fault Tolerance

Hazard Identification (HAZID)

HAZOP (Hazard and Operability) Analysis

High Demand Mode

Highly Hazardous Chemical (HHC)

Human Machine Interface (HMI)

Human Reliability Analysis (HRA)

Hysteresis (dead band)

I

Immediately Dangerous to Life and Health (IDLH)

Independent Protection Layer (IPL)

Industrial Automation

Industrial Control Systems

Inherently Safer Design (ISD)

Initiating Event

Interlock System

Intrinsic Safety (IS)

IPL Independence

IPL Verification

J

L

Layers Of Protection Analysis (LOPA)

Low Demand Mode

Lower Explosive Limit (LEL)

Lower Flammability Limit (LFL)

M

Maintenance Override Switch (MOS)

Management of Change (MOC)

Maximum Credible Event (MCE)

Mean Time Between Failures (MTBF)

Mean Time to Repair (MTTR)

Mitigation Measures

N

O

Operational Readiness

P

Process Hazard Analysis (PHA)

Probability of Failure on Demand (PFD)

Process Automation

Process Control Loop

Process Risk Management

Programmable Logic Controller (PLC)

PSM (Process Safety Management) Covered Process

Q

Quantitative Risk Assessment (QRA)

R

Recognized and Generally Accepted Good Engineering Practice (RAGAGEP)

Reliability Centered Maintenance (RCM)

Risk Reduction Factor (RRF)

S

Safety Controls, Alarms, and Interlocks (SCAI)

Safety Critical Element (SCE)

Safety Instrumented Function (SIF)

Safety Instrumented System (SIS)

Safety Integrity Level (SIL) Calculations

Safety Integrity Level (SIL) Ratings

Safety Lifecycle

Safety Requirement Specification (SRS)

Sequential Function Chart (SFC)

SIL Verification

SIS Engineering

Site Acceptance Testing (SAT)

Software in Safety Instrumented Systems (SIS)

Start-Up Sequence

Systematic Failure

Systematic Failures

Systems Integration

Systems Theoretic Accident Model and Processes (STAMP)

Systems Theoretic Process Analysis (STPA)

T

Two-out-of-Three (2oo3) Voting

U

Upper Flammability Limit (UFL)

V

Valve Failure Mode

Vapor Cloud Explosion (VCE)

Variable Frequency Drives (VFD)

Z

Zero Energy State (ZES)

A

B

C

F

H

I

L

S

P

D

E

G

J

M

N

Q

R

O

T

U

V

Z

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