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

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Burnie-Waratah 110 kV Transmission Line Wood Poles TNM-CR-808-0888 Issue 1.0, November 2008 CONTACT This document is the responsibility of the Engineering and Asset Services Group, Transend Networks Pty Ltd, ABN 57 082 586 892. Please contact Transend’s Manager Engineering and Asset Services Group with any queries or suggestions. REVIEW DATE This document is due for review not later than June 2009 RESPONSIBILITIES Implementation All Transend staff and contractors. Audit Periodic audits to establish conformance with this document will be conducted by Transend’s Asset Strategy & Planning Group. Compliance All Group Managers Document Management Asset Strategy & Planning Group Engineering & Asset Services Group - Transmission Lines . MINIMUM REQUIREMENTS The requirements set out in Transend's documents are minimum requirements that must be complied with by Transend staff and contractors, including designers and other consultants. The user is expected to implement any practices which may not be stated but which can reasonably be regarded as good practices relevant to the objective of this document without non-compliance with the specific requirement of this document. Transend expects the users to improve upon these minimum requirements where possible and to integrate these improvements into their procedures and quality assurance plans. Page 2 of 9 © Transend Networks Pty Ltd UNCONTROLLED WHEN PRINTED
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 © Transend Networks Pty Ltd Page 3 of 9 UNCONTROLLED WHEN PRINTED
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APPENDIX 5 Transend, Renewal capita
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Renewal Capital Expenditure TNM-GR-
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Figure 4 - Overview of the Reyrolle
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Table 3 - Circuit criticality ratin
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Figure 6 - Capacitive voltage trans
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Current transformer make / type Mod
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1.6.5 Protection and control Renewa
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CONTENTS 0BInvestment Evaluation Su
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0BInvestment Evaluation Summary TNM
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5 CUSTOMER CONSULTATION 0BInvestmen
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� implementation of revised maint
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Table 1 - Summary of economic analy
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7.3 OPTION 3 - STAGED REPLACEMENT O
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4.8 BUS CONDUCTOR AND FITTINGS 0BIn
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6 BENEFITS The direct benefits of r
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7.2.3 DRAWBACKS The option has the
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Figure 2 - Option 3: single line di
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This option includes: � installin
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INVESTMENT EVALUATION SUMMARY 0BInv
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1 BACKGROUND 0BInvestment Evaluatio
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4.1 CIRCUIT BREAKERS 0BInvestment E
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� reduced burden on spare parts m
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� replacement of the 110 kV Meado
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� reduced burden on spare parts m
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4.2 VOLTAGE TRANSFORMERS The 110 kV
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4.3 CURRENT TRANSFORMERS 0BInvestme
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Page 113 and 114: INVESTMENT EVALUATION SUMMARY 0BInv
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Page 119 and 120: 4.1.2 TUNGATINAH SUBSTATION 0BInves
Page 121 and 122: 4.3.2 TUNGATINAH SUBSTATION The 110
Page 123 and 124: Tarraleah-New Norfolk No. 1 110 kV
Page 125 and 126: � the possibility of a 220 kV con
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Page 130 and 131: CONTENTS 0BInvestment Evaluation Su
Page 134 and 135: 3.2.2 110 KV BUS BAR PROTECTION SCH
Page 136 and 137: 5. CUSTOMER CONSULTATION 0BInvestme
Page 138 and 139: Table 3 - Summary of NPV cost analy
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Page 142 and 143: � loss of back-up protection func
Page 147 and 148: INVESTMENT EVALUATION SUMMARY TITLE
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Page 157: Burnie-Waratah 110 kV Transmission
Page 161 and 162: 1 BACKGROUND Burnie-Waratah 110 kV
Page 163 and 164: 2.3 MAINTENANCE Burnie-Waratah 110
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