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Observing Electrical Safety in Workplaces 8 th May 2014 Presenter :

Observing Electrical Safety in Workplaces 8 th May 2014 Presenter : Er . Ken Jung Gee Keong Executive Director Quality Power Management Pte Ltd. Watch out !!!. An Introduction. Mr. Ken Jung Founder & Executive Director

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Observing Electrical Safety in Workplaces 8 th May 2014 Presenter :

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  1. Observing Electrical Safety in Workplaces 8th May 2014 Presenter : Er. Ken Jung Gee Keong Executive Director Quality Power Management Pte Ltd

  2. Watch out !!!

  3. An Introduction • Mr. Ken Jung • Founder & Executive Director • A Member of the Association of Professional Engineers of the Province of Ontario, Canada (APEO), the Singapore Professional Engineers Board and the Chartered Engineers of the United Kingdom. • 37 Years of Working-Experience • An Authorised High-Voltage Switching Engineer (AHVSE) with the Energy Market Authority (EMA). • Taught at the Singapore Polytechnic - Property Maintenance and Facilities Management Course • Happy to Share My Experience as a Licensed Electrical Engineer for Major Corporations Ken Jung Gee Keong

  4. Overall View of Electrical Safety - Regulatory Aspects

  5. Topic Focus - Licensing 14 Items to be Registered/Approved from Spring Singapore Before Use 3-pin rectangular type 13-Amp plugs Fuses ( less than or equal to 13 amperes ) for use in plugs 3-pin round type 15-Amp plugs Multi-way Adaptors 3-pin Portable Socket-outlets Portable Cable Reels Instantaneous Electric Water Heaters Mains Pressure Electric Storage Water Heaters

  6. Topic Focus - Licensing 14 Prescribed Items Earth Leakage Circuit Breakers 3-pin 13-Amp Switched Socket-outlets 3-pin round type 15-Amp Switched Socket-outlets 13-Amp Wall Switch Ballasts Isolating Transformers

  7. Overall View of Electrical Safety • Safety Equipment

  8. Overall View of Electrical Safety • Safety Equipment

  9. Overall View of Electrical Safety • Safety Equipment

  10. Overall View of Electrical Safety • Safety Equipment

  11. Arc Flash – A Close-Up • Temperature 35,000°F • Molten Metals Vaporizes • Produces A Plasma Fireball • Expansion of Super-Heated Air & Vaporizing Metals Creates Extreme Pressure May Cause Severe Life-Threatening Injuries

  12. Arc Flash and Blast

  13. An LEW’s Perspective Before Stepping Into A Switchroom: Smellfor ionization, foul or burning smell Hear for humming, hissing or rapid energizing and de-energizing of contactors See, look out for irregularities like improper installation, broken handle of MCCB or sign of water seepage. Do not step or touch the water surrounding the switch board, it could be “live” Feel the heat in the switch room Touch for vibration, surface temperature

  14. WOW ! That’s A Lot To Know Or Learn ! Do You Have To Know Everything???

  15. Good If You Know Everything… If Not, You Should Know Who Knows… WHO?

  16. Your LEW Licensed Electrical Worker

  17. He / She Acts As Your DoctorOrLawyerFor Your Building Or Electrical Installation

  18. There Are: Good Doctors & Bad Doctors Good Lawyers & Bad Lawyers Good LEWs & Bad LEWs

  19. What Makes A Good Inspection Report? Clear (eg. Refers to Regulations / Photos) Accurate Detailed Timely Provides Advisory

  20. An Inspection Report Sample

  21. An Inspection Report Sample

  22. An Inspection Report Sample

  23. An Inspection Report Sample Report and Defect List Received and Acted Upon by Management On A Timely Basis

  24. Inspection Findings It’s All In The Details Maintenance Regime (Servicing, Inspection etc.) Accessibility / Housekeeping (Cleanliness, Eqpt. etc) Improper Installation Protection Systems Protection Against Spillage / Rodents Instrument & Indicating Lights Protective Relays Readings – Loading / Temperature Signs of Overheating Excessive Humming Noise Fire Extinguisher

  25. Inspection Findings Poor Housekeeping Areas like passageway, surrounding of switch room should be kept clear

  26. Inspection Findings Improper Installation Loose cable dangling without mechanical protection

  27. Inspection Findings Faulty Protection System Lightning conductor removed by roof retrofitting contractor

  28. Inspection Findings Flashovers Caused by Rodents Ensure rodent bait is used

  29. Inspection Findings Expired or Soon-To-Be Expired Fire Extinguishers

  30. Inspection Findings Overdue Servicing Servicing regime should follow the Maintenance Matrix in SS 538: 2008 published by SPRING Singapore

  31. Inspection Findings Signs of Overheating Check for any overloading or overheating on the main switchboard as the surface should not be hot and does not produce any unusual/ excessive humming sound

  32. Inspection Findings Burnt Overcurrent Relay Burnt Switchboard

  33. Inspection Findings Burnt Air Circuit Breaker

  34. In Summary: ALWAYS PICK A GOOD LEW TO WORK WITH

  35. Quality Power Management Pte Ltd Thank You Er. Ken G Jung Executive Director Quality Power Management Pte Ltd 16 Boon Lay Way, #01-43 Tradehub21 Singapore 609965 www.qpower.com.sg

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