Transcription of Appendix B—Transmission Line and Substation Components
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Appendix B Transmission line and Substation ComponentsPrepared by: Idaho Power Company 1221 W Idaho Street Boise, ID 83702 November 2011 Transmission line and Substation Components Appendix B November 2011 iii TABLE OF CONTENTS PROJECT FACILITIES .. 1 Transmission Structures .. 1 Types of Transmission line Support Structures .. 1 Structure and Conductor Clearances .. 8 Structure Foundations .. 8 Conductors .. 9 Other Hardware .. 10 Insulators .. 10 Grounding Systems .. 10 Minor Additional Hardware .. 11 Communication Systems .. 12 Optical Ground Wire .. 12 Communications Stations.
Transmission Line and Substation Components Appendix B November 2011 7 1 2 Figure 1-6. Alternative ROW Design 3 4 1.1.1.1 Proposed 500-kV Single Circuit Galvanized Lattice Steel Structures 5 Lattice steel towers will be fabricated with galvanized steel members treated to produce a dulled 6 galvanized finish. The average distance between 500-kV towers will be 1,200 to 1,300 feet.
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