Chapter 12
Transmission Line Construction and Maintenance
12.1 Introduction 12-1
12.2 Transmission Line Siting 12-2
12.3 Sequence of Line Construction 12-2
12.4 Conductor Pulling Plan 12-4
12.5 Conductor Stringing Methods 12-4
Slack or Layout Method • Tension Stringing
12.6 Equipment Setup 12-6
12.7 Sagging 12-8
12.8 Overhead Transmission Line Maintenance 12-10
Introduction • Overhead Transmission Line Inspections • Transmission Line Inspection Software • Transmission Line Fault Investigations and Corrective Action(s)
12.9 Transmission Line Work 12-17
Live Line Work • Worksite Grounding • Vegetation Management
12.10 Data/Information Management and Analysis 12-20
12.11 Emergency Restoration of Transmission Structures 12-21
References12-23
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