BICE Engineering & Consulting

Arc Flash Analysis Frisco TX

Power System Analysis • Electrical Engineering • Arc Flash Hazard Mitigation
Registered P.E. Firm in the state of Texas #F-10403

214.883.3675

  • Services
    • Arc Flash Studies
    • Equipment Assessment
    • Dynamic Motor Starting Studies
    • Load Flow Analysis
    • Overcurrent Protective Device Coordination
    • Power Factor Correction Studies
    • Short Circuit Current Study
    • Single-Line Drawings
    • Banker’s and Owner’s EE Services
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    • Arc Flash Facts
    • Per Unit Short Circuit Equations
    • Electrical Power Formulas
    • Typical Field Data for Arc Flash Study
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Arc Flash Studies

Arc Flash NFPA 70E & IEEE 1584 Studies

arc flash studies

An arc flash hazard analysis is an electrical engineering study to:

  • Determine the risk of personnel injury as a result of exposure to incident energy (IE) released during an arc-flash event
  • Provide recommendations for appropriate arc-flash hazard protection
  • Inform the personnel about the existing arc electrical safety.
  • Comply with OSHA, NEC, and NFPA 70E requirements

Based on the results of an arc-flash hazard analysis, the rating of personal protective equipment (PPE) such as gloves, flame-retardant shirts and pants, eye protection, etc can be properly selected for adequate personnel protection. Arc flash labels with this information will be provided as a part of this study.

The recently published NESC-2012, Rule 410 A(3) requires:

  • An Assessment of Potential Electric Arc Exposure
  • PPE Required If IE >2 cal/cm2 (2rd Degree Burn Threshold)
  • Wear PPE Clothing or System W/ Effective Arc Rating (EAR) NLT Anticipated IE Level
  • Can Not Wear Acetate, Nylon, Polyester, or Polypropylene
  • Clothing EAR ?1000 V TBD By NESC Tables or AFHA

The assessment can consist of an arc flash study with IE calculation based upon available fault current (AFC), arc duration, and working distance or can use NESC Tables 410-1 and 410-2 In Lieu of arc flash study.

Our concerns with using NESC Tables 410-1, 410-2, and 410-3 are:

  • What If Actual AFC Differs Significantly From Tables?
  • What If Actual Clearing Time Differs Significantly From Tables?
  • What About the Arc Blast Factor?

OSHA 29 CFR 1910.132(d) requires employers to assess the workplace to determine if hazards are present or likely to be present, and select and have each employee use the types of PPE that will protect them. Employers are also required to verify that the required workplace hazard assessment has been performed through a written certification that identifies the particular workplace evaluated.

Click here to get list of typical field data required for an arc flash hazard study!

Arc Flash Study Steps

Do you know the seven (7) major steps involved in an electric arc flash hazard Study?

According to IEEE-1584, they include:

  1. Data Gathering
  2. Power System Modeling
  3. Short Circuit Analysis
  4. Overcurrent Protective Device Coordination
  5. Arc Flash Study
  6. Reports
  7. Label Installation

Free Consultation

Contact BICE

Phone: 214-883-3675
Fax: 972-668-0563
bemay@bice-eeconsulting.com

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Information

  • Arc Flash Studies
  • Short Circuit Current Study
  • Load Flow Analysis
  • Dynamic Motor Starting Studies
  • Power Factor Correction Studies
  • Overcurrent Protective Device Coordination
  • Single-Line Drawings
  • Equipment Assessment

Affiliations

  • Arc Flash Studies
  • Short Circuit Current Study
  • Load Flow Analysis
  • Dynamic Motor Starting Studies
  • Power Factor Correction Studies
  • Overcurrent Protective Device Coordination
  • Single-Line Drawings
  • Equipment Assessment

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