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Vantage to Pomona Heights Table of Contents <br />230 kV Transmission Line Project FEIS October 2016 <br /> PAGE i <br />TABLE OF CONTENTS <br />CHAPTER 1 PURPOSE AND NEED ............................................................................................... 1-1 <br />1.1 INTRODUCTION ....................................................................................................................... 1-1 <br />1.1.1 EIS Process ...................................................................................................................................... 1-1 <br />1.2 SUMMARY OF THE PROPOSED PROJECT .................................................................................. 1-7 <br />1.3 BACKGROUND ........................................................................................................................ 1-7 <br />1.3.1 Proponent ......................................................................................................................................... 1-7 <br />1.3.2 Third-Party Contractor .................................................................................................................... 1-7 <br />1.3.3 Regional Transmission System Study ............................................................................................. 1-7 <br />1.4 LEAD AND COOPERATING AGENCIES ..................................................................................... 1-8 <br />1.4.1 Bureau of Land Management .......................................................................................................... 1-8 <br />1.4.2 Cooperating Agencies ...................................................................................................................... 1-9 <br />1.5 WASHINGTON STATE ENVIRONMENTAL POLICY ACT ......................................................... 1-12 <br />1.6 GROWTH MANAGEMENT ACT .............................................................................................. 1-12 <br />1.7 PURPOSE AND NEED ............................................................................................................. 1-13 <br />1.7.1 Bureau of Land Management Purpose and Need .......................................................................... 1-13 <br />1.7.2 U.S. Army Yakima Training Center Purpose and Need ................................................................ 1-13 <br />1.7.3 Bonneville Power Administration Purpose and Need.................................................................... 1-13 <br />1.7.4 Bureau of Reclamation Purpose and Need .................................................................................... 1-14 <br />1.8 DECISIONS TO BE MADE ....................................................................................................... 1-14 <br />1.8.1 Bureau of Land Management ........................................................................................................ 1-14 <br />1.8.2 Cooperating Agencies .................................................................................................................... 1-15 <br />1.9 LAND USE PLAN CONFORMANCE ......................................................................................... 1-16 <br />1.10 JBLM YTC FINAL PROGRAMMATIC EIS CONFORMANCE ................................................... 1-17 <br />1.11 AUTHORIZATIONS, PERMITS, REVIEWS, AND APPROVALS ................................................... 1-17 <br />1.12 SCOPING AND PUBLIC INVOLVEMENT .................................................................................. 1-20 <br />1.13 ISSUES IDENTIFIED ................................................................................................................ 1-22 <br />1.13.1 Issues Identified for Further Analysis During DEIS Scoping ........................................................ 1-22 <br />1.14 CHANGES MADE FROM DEIS AND SDEIS ........................................................................... 1-23 <br />1.14.1 Route Changes and Alternatives .................................................................................................... 1-24 <br />1.14.2 Environmental Analysis ................................................................................................................ 1-24 <br />CHAPTER 2 PROPOSED ACTION AND ALTERNATIVES ....................................................... 2-1 <br />2.1 PROPOSED ACTION ................................................................................................................. 2-2 <br />2.1.1 New Overhead 230 kV Transmission Line ...................................................................................... 2-2 <br />2.1.2 Pomona Heights Substation Upgrades ........................................................................................... 2-11 <br />2.1.3 Vantage Substation Upgrades ........................................................................................................ 2-11 <br />2.2 PROJECT ACTIVITIES AND FEATURES COMMON TO ACTION ALTERNATIVES ...................... 2-11 <br />2.2.1 Design Options Considered in the NNR Alternative Impact Analysis .......................................... 2-11 <br />2.2.2 Overhead Transmission Line Design Specifications ..................................................................... 2-12 <br />2.2.3 Overhead Transmission Line Design Construction ....................................................................... 2-19 <br />2.2.4 Overhead Transmission Line Design Operation and Maintenance ................................................ 2-31 <br />2.2.5 Underground Transmission Line Design ....................................................................................... 2-34