Work Live On 3kv Dc Ohte Or To Clearance From Exposed Live High Voltage Electrical Equipment 3kv Dc 25 Kv And 50kv Ac Ohte And All Transmission Lines And Associated Equipment Training

Objectives:
• Understand the fundamental principles of high voltage electrical systems.
• Identify the specific voltage levels: 3kV DC, 25kV AC, 50kV AC.
• Recognize the hazards associated with live high voltage equipment.
• Explain the legal and regulatory framework for high voltage work in South Africa.

Topics:
• Overview of high voltage systems: DC and AC.
• Voltage levels and their applications.
• Basic electrical theory: Ohm's Law, power calculations.
• Health and safety legislation: OHS Act, regulations.
• Roles and responsibilities of personnel.
• Introduction to personal protective equipment (PPE).

Objectives:
• Identify electrical hazards: shock, arc flash, arc blast.
• Conduct risk assessments for high voltage work.
• Apply hierarchy of controls to mitigate risks.
• Understand the principles of safe work practices.

Topics:
• Types of electrical hazards and their effects.
• Risk assessment methodologies.
• Hierarchy of controls: elimination, substitution, engineering controls, administrative controls, PPE.
• Safe work permits and procedures.
• Case studies of high voltage incidents.
• Emergency response planning.

Objectives:
• Select appropriate PPE for high voltage work.
• Inspect and maintain PPE and safety tools.
• Understand the limitations of PPE.
• Demonstrate proper use of insulating gloves, mats, and tools.

Topics:
• Types of PPE: gloves, mats, blankets, helmets, arc flash suits.
• Inspection and testing of PPE.
• Storage and maintenance of PPE.
• Insulating tools: sticks, clamps, testers.
• Voltage-rated tools and equipment.
• Practical demonstration of PPE use.

Objectives:
• Describe the 3kV DC OHTE system components.
• Apply safety procedures specific to 3kV DC work.
• Perform isolation and earthing of 3kV DC equipment.
• Use proper techniques for live work on 3kV DC.

Topics:
• Overview of 3kV DC traction systems.
• Components: catenary, contact wire, insulators.
• Safety procedures for 3kV DC.
• Isolation and earthing methods.
• Live work techniques and tools.
• Practical exercise: isolation and earthing.

Objectives:
• Describe the 25kV AC OHTE system components.
• Apply safety procedures specific to 25kV AC work.
• Perform isolation and earthing of 25kV AC equipment.
• Understand differences between AC and DC working.

Topics:
• Overview of 25kV AC traction systems.
• Components: transformers, circuit breakers, overhead lines.
• Safety procedures for 25kV AC.
• Isolation and earthing methods.
• AC vs DC: key differences.
• Practical exercise: isolation and earthing.

Objectives:
• Describe the 50kV AC transmission system.
• Apply safety procedures for 50kV AC work.
• Perform isolation and earthing of 50kV AC equipment.
• Understand the increased risks at higher voltages.

Topics:
• Overview of 50kV AC transmission systems.
• Components: towers, conductors, insulators, switchgear.
• Safety procedures for 50kV AC.
• Isolation and earthing methods.
• Arc flash and arc blast at 50kV.
• Practical exercise: isolation and earthing.

Objectives:
• Understand the clearance process for live high voltage equipment.
• Apply for and manage a Sanction for Testing.
• Coordinate with control room operators.
• Document and communicate clearance details.

Topics:
• Clearance procedures: request, verification, issue.
• Sanction for Testing: purpose and process.
• Roles: person in charge, operator, worker.
• Communication protocols.
• Documentation: logs, permits, tags.
• Practical exercise: completing a clearance form.

Objectives:
• Describe live work methods for high voltage systems.
• Select appropriate tools for live work.
• Apply safe distances and approach limits.
• Perform live work tasks under supervision.

Topics:
• Live work methods: hot stick, barehand, glove.
• Approach distances and boundaries.
• Live line tools: sticks, clamps, jumper cables.
• Insulating platforms and buckets.
• Practical exercise: hot stick work on a mock line.
• Safety checks before live work.

Objectives:
• Understand the principles of earthing and bonding.
• Install temporary earthing systems.
• Verify earthing effectiveness.
• Apply bonding to prevent induced voltages.

Topics:
• Earthing principles: why and how.
• Temporary earthing equipment: clamps, cables, rods.
• Bonding to equalize potentials.
• Testing earthing integrity.
• Practical exercise: installing earthing on a 50kV line.
• Safety precautions during earthing.

Objectives:
• Respond to electrical emergencies.
• Perform rescue from high voltage equipment.
• Administer first aid for electrical injuries.
• Coordinate with emergency services.

Topics:
• Emergency response plans.
• Rescue procedures: from poles, towers, confined spaces.
• First aid: burns, shock, cardiac arrest.
• Use of rescue equipment: hooks, ropes, ladders.
• Practical exercise: simulated rescue.
• Post-incident reporting.

Objectives:
• Demonstrate competence in all safety procedures.
• Perform a complete work cycle: planning, clearance, work, restoration.
• Apply knowledge to realistic scenarios.
• Identify and correct unsafe practices.

Topics:
• Scenario-based practical assessment.
• Planning and risk assessment.
• Obtaining clearance and sanction.
• Performing work on 3kV DC, 25kV AC, 50kV AC.
• Earthing and bonding.
• Restoration and documentation.
• Debrief and feedback.

Objectives:
• Complete the written and practical assessments.
• Review key concepts and procedures.
• Address any gaps in knowledge.
• Receive certification guidance.

Topics:
• Written knowledge assessment.
• Practical skills assessment.
• Review of critical safety points.
• Q&A session.
• Course evaluation.
• Certification and next steps.