Distribution Overhead Lines

Standards and Regulations

• Acts and regulations
• Technical and engineering standards
• HASAWA, WAH Regs, ENATS, BS’s

Safety and ESQCR

• ACD’s, signage, clearances
• Recent OHL safety incidents

Inspection and Maintenance

• Statutory requirements
• Asset Risk Management
• Time based inspection systems
• Typical inspection examples
• Allocation of resources

Wood Poles

• Construction types
• Decay process
• Rot detection techniques including practical ‘hands on’ demonstrations (PURL, Mattson Borer, etc.)
• Remedial techniques (Boron, Polesaver, etc.)
• Remnant life calculations and EOL

Steel Towers

• Construction types
• Steel corrosion and protective coatings including paint inspection and testing techniques.
• Foundations and various inspection techniques including non-invasive hands-on practical demonstrations.

Conductors

• General historical information
• Covered/insulated.
• Novel conductors
• Upgrading overhead lines – considerations
• Joints and termination

Insulators for Overhead Lines

• Historical designs and materials
• Degradation process
• Worldwide experience

Live Line Working

• Live line techniques overview
• Product and PPE demonstrations
• Applications

Lightning Protection

• Lightning effects on overhead lines
• Arc and tension insulator gaps
• Surge arrestors
• Lightning Location System

Environmental Issues

• General weather effects on overhead lines

Line Design Standards

• LV lines
• 11/33kV wood pole lines
• Tower lines

Applying the New Standards

• Worked examples of basic wood pole line design

Condition Assessment and Asset Management of Overhead Lines

• Information capture
• Helicopter inspection/drones (UAVs)
• Condition assessment
• Condition based risk management (CBRM)

Future Developments

• Composite poles including an on-site demonstration.
• T-pylon
• Crossarms, fixtures, other fittings, connectors
• Linesman safety

Programme may be subject to amendment.