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Beverly Regional Transmission Reliability Project N-192 Cable Replacement

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Beverly Regional Transmission Reliability Project N-192 Cable Replacement Beverly Regional Transmission Reliability Project N-192 Cable Replacement New England Power Company d/b/a National Grid Energy Facilities Siting Board Application EFSB 19-04 Salem and Beverly, Massachusetts June 2019 This document has been reviewed for Critical Energy Infrastructure Information (CEII) Table of Contents 1 Project Overview .................................................................................................................................. 1 Introduction ................................................................................................................................... 1 Overview of Application ............................................................................................................... 3 Project Need .................................................................................................................................. 3 Project Alternatives ....................................................................................................................... 4 Preferred and Noticed Alternative Routes .................................................................................... 4 Substations and Switching Station ................................................................................................ 5 1.6.1 Beverly #12 Substation Facilities ......................................................................................... 5 1.6.2 East Beverly #51 Substation Facilities .................................................................................. 6 1.6.3 Proposed Waite Street #594 Switching Station .................................................................... 6 Summary of Project Schedule and Cost ........................................................................................ 6 1.7.1 Project Schedule .................................................................................................................... 6 1.7.2 Project Cost ........................................................................................................................... 7 Construction Overview ................................................................................................................. 7 Agency and Community Outreach ................................................................................................ 8 Conclusion .................................................................................................................................... 9 2 Project Need ........................................................................................................................................ 11 Introduction ................................................................................................................................. 11 Description of Existing Transmission System ............................................................................ 11 N-192 Cable Asset Condition and Operating History ................................................................. 12 2.3.1 Description of Existing N-192 Cable System ..................................................................... 12 2.3.2 SCFF Cable Technology ..................................................................................................... 17 2.3.3 N-192 Cable Operating History .......................................................................................... 18 Distribution System Reliability Benefits .................................................................................... 22 Conclusion .................................................................................................................................. 23 3 Project Alternatives ............................................................................................................................. 25 Introduction ................................................................................................................................. 25 No-Build Alternative .................................................................................................................. 25 Non-Wires Alternatives .............................................................................................................. 26 Underground Alternatives ........................................................................................................... 26 3.4.1 Underground Cable: Waite Street #594 to Beverly #12 to East Beverly #51 (the New Cable) ............................................................................................................................................. 26 Beverly Regional Transmission Reliability Project BSC Group, Inc. N-192 Cable Replacement i Energy Facilities Siting Board Application 3.4.2 Underground Cable: Waite Street #594 to East Beverly #51 (Waite Street-East Beverly Alternative) ......................................................................................................................................... 27 Overhead Transmission Line ROW through Beverly ................................................................. 29 King Street Alternative ............................................................................................................... 29 MBTA ROW Alternatives .......................................................................................................... 31 3.7.1 Existing MBTA ROW ........................................................................................................ 31 3.7.2 Underground MBTA Alternative ........................................................................................ 33 3.7.3 Overhead MBTA Alternative .............................................................................................. 34 3.7.4 Conclusions on Use of the MBTA ROW ............................................................................ 36 Conclusion on Project Alternatives ............................................................................................. 37 Danvers River Crossing Alternatives .......................................................................................... 37 3.9.1 Danvers River Crossing: Overhead Alternative .................................................................. 38 3.9.2 Danvers River Crossing: HDD Alternative......................................................................... 38 3.9.3 Danvers River Crossing: Submarine Cable Alternative ...................................................... 39 3.9.4 Danvers River Crossing: Bridge Alternative (Preferred) .................................................... 39 3.9.5 Conclusion on Danvers River Crossing Alternatives .......................................................... 40 Technology Selection .................................................................................................................. 40 Conclusion .................................................................................................................................. 41 4 Route Selection ................................................................................................................................... 42 Overview of Siting Methodology ............................................................................................... 42 Identification of Study Area ........................................................................................................ 43 Route Evaluation Guidelines ...................................................................................................... 44 Routes and Route Variations....................................................................................................... 46 4.4.1 Initial Route Identification .................................................................................................. 46 Common Pathway from the Proposed Waite Street #594 Switching Station to Beverly 46 4.4.2 Initial Screening of Public Roadway ROWs: Municipal Consultation ............................... 49 4.4.3 Secondary Screening of Public Roadway ROWs: Segment Evaluation ............................. 50 Porter Street vs. Wellman Street ..................................................................................... 50 Essex Street & Lake Shore Avenue vs. Newbury Street & Pearl Street ......................... 56 Federal Street, Bow Street, Wallis Street, Broadway, Railroad Avenue, and Pleasant Street ......................................................................................................................................... 56 Lothrop Street vs. Hale Street & Cross Street ................................................................. 57 Identification of Candidate Routes ............................................................................................. 61 4.5.1 Wallis-Hale Route ............................................................................................................... 61 4.5.2 Broadway-Thorndike-Hale Route ....................................................................................... 61 Beverly Regional Transmission Reliability Project BSC Group, Inc. N-192 Cable Replacement ii Energy Facilities Siting Board Application 4.5.3 Roundy-Charnock-Bisson Route ........................................................................................ 62 4.5.4 Essex-Pearl-Corning Route ................................................................................................. 62 4.5.5 Essex-Pearl-Lake Shore Route ...........................................................................................
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