• Menjelaskan konsep dasar hazardous area dan risiko ledakan pada fasilitas Oil & Gas dan Petrokimia.

• Mengidentifikasi sumber bahaya (gas, uap, debu) dan karakteristiknya.

• Melakukan Hazardous Area Classification berdasarkan standar IEC 60079 / API RP 505 / NEC.

• Menentukan Zone (0, 1, 2 / 20, 21, 22) dan Gas Group secara benar.

• Memilih jenis electrical equipment protection method yang sesuai dengan klasifikasi area.

• Membaca dan menafsirkan nameplate dan marking Ex equipment.

• Menganalisis kesalahan pemilihan peralatan listrik yang sering terjadi di lapangan.

• Menerapkan konsep HAC dan equipment selection pada studi kasus plant nyata.

• Memastikan kepatuhan desain dan instalasi terhadap standar keselamatan internasional.

1. Electrical Engineer

2. Instrument Engineer

3. Maintenance Engineer & Supervisor

4. Project Engineer

5. HSE Engineer / Safety Officer

6. Inspection Engineer

7. Operation Engineer

8. Engineering Consultant

9. EPC Contractor Personnel

10. Technical Authority / Asset Integrity Team

Module 1 – Introduction to Hazardous Area

• Filosofi keselamatan di area berbahaya

• Sejarah kecelakaan besar akibat ledakan

• Segitiga ledakan (fuel, oxygen, ignition source)

• Peran electrical equipment dalam risiko ledakan

• Regulasi dan tanggung jawab engineering

Module 2 – Hazardous Substances & Properties

• Flammable gas, vapor, dan dust

• Flash point, auto ignition temperature (AIT)

• Lower & Upper Explosive Limit (LEL & UEL)

• Gas Group (IIA, IIB, IIC)

• Temperature Class (T1–T6)

Module 3 – Hazardous Area Classification Concepts

• Definisi Hazardous Area

• Continuous, Primary, Secondary Grade of Release

• Ventilation effectiveness

• Area extent & boundary determination

• Perbedaan pendekatan IEC vs NEC

Module 4 – Hazardous Area Classification (Gas & Vapor)

• Zone 0, Zone 1, Zone 2

• Metodologi HAC berdasarkan IEC 60079-10-1

• Contoh HAC untuk:

  • Pump area

  • Compressor area

  • Storage tank

  • Process unit

• Membaca dan memahami Hazardous Area Drawing

Module 5 – Hazardous Area Classification (Dust)

• Combustible dust hazards

• Zone 20, 21, 22

• Contoh area berdebu (bag filter, silo, conveyor)

• Perbedaan karakteristik gas vs dust hazard

Module 6 – Standards & Codes Overview

• IEC 60079 Series

• API RP 500 & 505

• NEC Article 500, 505, 506

• ATEX & IECEx overview

• Perbedaan dan kesetaraan standar

Module 7 – Electrical Equipment Protection Methods

• Konsep “Explosion Protection”

• Protection methods:

  • Ex d – Flameproof

  • Ex e – Increased Safety

  • Ex i – Intrinsic Safety

  • Ex p – Purged & Pressurized

  • Ex n

  • Ex t (Dust protection)

• Kelebihan, keterbatasan, dan aplikasi masing-masing

Module 8 – Electrical Equipment Selection

• Prinsip pemilihan peralatan listrik di hazardous area

• Motor, lighting, junction box, panel, cable gland

• IP rating vs Ex protection

• Temperatur permukaan peralatan

• Kesalahan umum dalam equipment selection

Module 9 – Marking & Nameplate Interpretation

• Format marking Ex equipment

• Contoh: Ex d IIB T4 Gb

• Equipment Protection Level (EPL)

• Praktik membaca nameplate peralatan

Module 10 – Installation, Inspection & Maintenance Overview

• Instalasi yang benar di hazardous area

• Cable entry & gland selection

• Earthing & bonding

• Overview inspection (visual, close, detailed)

• Pengaruh maintenance terhadap keselamatan