• Applying Instrumentation in Hazardous (Classified) Locations (ES10)


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    Length: 2 days
    CEU Credits: 1.4
    Course Hours: 8:00 a.m.-4:00 p.m.

    Description:

    "Good general overview. Very helpful course." ~Richard Fisher

    This course provides a detailed, systematic approach to specifying and implementing instrumentation in hazardous locations. Related standards from National Fire Protection Association (NFPA), National Electrical Manufacturers Association (NEMA), International Electrotechnical Commission (IEC), American Petroleum Institute (API), and ISA are discussed.

    You will be able to:

    • Identify process and environmental factors that determine classification
    • Describe and use procedures for electrical classification
    • Use applicable standards to develop classification drawings for gases, dusts, and fibers
    • Describe the basic principles of protection
    • Select explosion proof apparatus for specific applications
    • Determine when and why explosion seals should be used
    • Specify the use of intrinsically safe and nonincendive systems
    • Select the appropriate protective techniques for different hazards
    • Select alternative protective techniques for reduced cost

    What you'll cover:

    The course consists of the following main topics and subtopics:

    Section 1:  Introduction

    • Steps to Safety - Classify
    • Steps to Safety - Specify, Install, Maintain
    • Other Safety Considerations
    • Basic Definitions
    • Basic Definitions (cont'd)
    • Fire and Explosion Triangle
    • Flammable Properties of Gases
    • Ignition Sources
    • Gas/Air Mixtures
    • Flammable Properties of Liquids
    • Questions

    Section 2:  Location Classification Standards

    • NFPA Standards
    • NFPA Standards (Continued)
    • API Standards
    • ISA Standards

    Section 3:  Class I Division Classification

    • Applicable Standards
    • Class I Division Designation
    • Temperature Class (T Code or T Rating)
    • Division Classification Parameters, Factors, Steps
    • Division Classification Examples

    Section 4:  Class I Zone Classification

    • Applicable Standards
    • Zone Designation
    • Zones vs. Divisions
    • Group Designation
    • Temperature Class (T Code or T Rating)
    • Zone Classification Parameters, Factors, Steps, Examples

    Section 5:  Class I Zone (Alternative) Classification

    • Grades of Release
    • Classification of Openings
    • Effect of Openings on Grade of Release
    • Types of Ventilation
    • Degrees of Ventilation
    • Assessment of Degree of Ventilation
    • Hypothetical Volume VZ
    • Persistence Time t
    • Estimation of Degree of Ventilation
    • Availability of Ventilation
    • Ventilation vs. Zone (Practical Guide)
    • Pump at Grade - Outdoors
    • Pump at Grade - Indoors
    • Flammable Gas
    • Gasoline Dispensing - Outdoors
    • Oil/Water Gravity Separator - Outdoors
    • Storage Tank - Outdoors
    • Zone vs. Time Flammable Mixture Present

    Section 6:  Class II Division Classification

    • Applicable Standards
    • Dust Explosion
    • Combustible Dust
    • Flammable Properties of Dusts
    • Dust Classification
    • Temperature Class (T Code or T Rating)

    Section 7:  Class III Division Classification

    • Applicable Standards
    • Class III Division Designation (Fibers / Flyings)
    • Temperature Requirement
    • Division Classification Steps

    Section 8:  Zone Classification for Dusts

    • Applicable Standards
    • Dust Definition for Zones
    • Dust Class/Group Zone Designation
    • Zone Designation
    • Zones vs. Divisions
    • Temperature Requirement
    • Zone Classification Parameters, Steps, Examples
    • Dust Zone Legend

    Section 9:  Protection Techniques Standards

    • NFPA Standards - NFPA 70
    • NEMA and UL Standards
    • ISA Standards

    Section 10:  Enclosure Types

    • NEMA Enclosure Classification
    • IEC Enclosure Classification
    • NEMA vs. IEC

    Section 11:  Explosion Proof Enclosures

    • Applicable Standards
    • Explosion Confinement
    • Salient Features
    • Explosion in Approved Equipment
    • Threaded Joint
    • Non-Threaded Joint
    • Conduit Seals
    • Cable Seals
    • Pressure Piling
    • Pressure - Time Curves
    • Installation Requirements
    • Equipment Classification Marking
    • Installation & Maintenance Notes

    Section 12:  Intrinsic Safety

    • Applicable Standards
    • Intrinsic Safety
    • Salient Features
    • Field Wiring
    • Faults
    • Intrinsically Safe System
    • Electrical Apparatus and the Intrinsic Safety Concept
    • Simple Apparatus
    • Application in The Division Classification System
    • Application in The Zone Classification System 
    • Design Requirements
    • Protective Components
    • Example of Energy Limitation in Associated I.S. Apparatus (Zener Barrier)
    • Example Blocking Diodes in Intrinsically Safe Apparatus
    • Where Are Creepage and Distances Required?
    • Creepage Distance
    • Clearance Distance
    • Distance Through Compound or Insulation
    • Creepage and Clearance Distance Table
    • Associated Apparatus Design
    • Ignition Curves
    • Resistive Ignition Curve
    • Resistive Ignition Curve
    • Capacitive Ignition Curve
    • Inductive Ignition Curve
    • Entity Concept
    • Entity Parameters for Associated Intrinsically Safe Apparatus
    • Entity Parameters for Intrinsically Safe Apparatus
    • INTRINSICALLY  SAFE  SYSTEM  BASED ON  THE ENTITY CONCEPT
    • System Concept
    • Control Drawings
    • Control Drawing Example
    • Typical Control Drawing Notes
    • Intrinsic Safety for Explosive Dust Atmospheres
    • Class II / III, Division 1, Zone 20 & 21
    • Intrinsic Safety in Combustible Dust Atmospheres
    • Hazardous Location Marking
    • NEC 504 Installation
    • NEC 504 Installation (cont'd)
    • Intrinsically Safe Barrier installation
    • Intrinsically Safe Installation
    • Wiring Configurations to Field
    • Wiring Configuration Between Control Areas
    • Panel Arrangement - Wireway 1
    • Panel Arrangement - Wireway 2
    • Suggested Panel Wiring Arrangement
    • Thermocouple Barrier
    • RTD Barrier
    • Switch Barrier
    • Transmitter Barrier
    • Wiring
    • International Unit Prefixes
    • External Wiring Limits - Inductance
    • External Wiring Limits - Inductance (cont'd)
    • Entity Concept and Wiring Calculations
    • Intrinsically Safe and Associated Intrinsically Safe Apparatus Entity Example  
    • Associated Apparatus Example & Wiring Calculation 1 (cont'd)
    • Determining Maximum Cable Length Using Assumed Cable Values
    • Alternate Cable Length Calculation in Meters using the L/R Ratio 
    • L/R Ratio Example Calculation   (cont'd)
    • Using the L/R Ratio
    • Classroom Example - Wiring Calculation
    • FISCO
    • FISCO cont'd
    • FISCO Power Supply
    • FISCO Field Device
    • FISCO Line Terminator
    • FISCO Cables Specifications
    • FISCO System

    Section 13:  Nonincendive Systems

    • Applicable Standards
    • Nonincendive Equipment & Parameters
    • Nonincendive Ignition Sources
    • Nonincendive Marking

    Section 14:  Pressurization & Purging

    • Pressurized Enclosures
    • Salient Features
    • Types X, Y, & Z
    • Blower Purging
    • Plant Air Purging
    • Control Rooms
    • Control Room Ventilation
    • Continuous Dilution (Purging)

    Section 15:  Other Types of Protection

    • Increased Safety "e"
    • Encapsulation "m"
    • Powder Filling "q"
    • Oil Immersion "o"
    • Fiber Optics

    Section 16:  Grounding Considerations

    • Human Sensitivity to Current
    • Ground-Fault Protection Components
    • Grounding
    • Heat Tape (Heat Tracing)
    • Static Electricity, Generators, Effects
    • Lightning
    • Protection Determination
    • NFPA 780
    • Determining Risk

    Section 17:  Maintenance Considerations

    • Inspection and Maintenance
    • Installation & Maintenance Notes
    • Visual Inspection - Intrinsic Safety
    • Electrical Safety Checks - Intrinsic Safety
    • Maintenance in Hazardous Locations

    Classroom/Laboratory Exercises:

    • Area Classification
    • Classification Drawings
    • Barrier Specifications

    Pre-Requisite:

    • none


    Includes ISA Standards:

    • ANSI/ISARP12.06.01-2003 - Intrinsic Safety
    • ANSI/ISATR12.24.01-1998 (IEC 60079-10 Mod) - Class I, Zones 0, 1, and 2
    • ANSI/ISA12.01.01-2009 - Definitions
    • ANSI/ISA12.12.01-2013 - Nonincendive


    If you wish to register offline, download the Training Registration Form, complete, and return to ISA with your payment.

    Not sure this particular course is for you?
    pre-instructional survey is available for you to evaluate your level of understanding of the course material and to show you the types of questions you'll be able to answer after completing the course.

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