Transend - Appendix 5 Renewal capital expenditure - Australian ...

CONTENTS
Burnie-Waratah 110 kV Transmission Line Wood Poles
TNM-CR-808-0888
Issue 1.0, November 2008
EXECUTIVE SUMMARY 4
1 BACKGROUND 5
2 ASSET ASSESSMENT 5
2.1 Reliability 6
2.2 Physical condition 6
2.3 Maintenance 7
2.4 Spare parts and contingency planning 8
2.5 Safety 8
2.6 Environment 8
3 ASSET MANAGEMENT OPTIONS 8
4 FUTURE MANAGEMENT STRATEGY 9
LIST OF FIGURES
Figure 1 – Wood pole age profile 5
Figure 2 – Actual wood pole failure rate vs. HEC/Aurora historical and estimated failure rate 6
Figure 3 – Treated wood pole with fungal degradation 9 metres above ground line. 7
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