Transcontinental Gas Pipe Line Company, LLC
APPLICATION FOR CONSTRUCTION OF THE ROCKAWAY DELIVERY LATERAL PROJECT
LONG ISLAND SOUND LONG ISLAND, NEW YORK
SUBMITTED TO: NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION
JANUARY 2014
EE-000891_0044_05-B3956
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Table of Contents
EXECUTIVE SUMMARY................................................................................................................... 1
1.0 PERMIT APPLICATION ...............................................................................................1-1 1.1 Joint Application for Permit ......................................................................... 1-1
1.2 Additional Responses for Joint Application Form 09/10 .............................. 1-4
2.0 PROJECT DESCRIPTION ............................................................................................2-1 2.1 Proposed Facilities ..................................................................................... 2-2
2.1.1 Pipeline Facilities ............................................................................ 2-2
2.1.1.1 Pipeline Rights-of-Way .................................................. 2-3
2.1.1.2 Pipe Yards..................................................................... 2-8
2.1.2 Aboveground Facilities ................................................................... 2-8
2.2 Dredging and Filling Activities .................................................................... 2-8
2.2.1 Dredged Material Characteristics .................................................... 2-8
2.2.1.1 Physical Composition .................................................... 2-8
2.2.1.2 Chemical Composition ................................................ 2-10
2.2.2 Dredging Activity Summary ........................................................... 2-10
2.2.3 Fill Activity Summary .................................................................... 2-10
2.3 Project Construction ................................................................................. 2-11
2.3.1 General Offshore Pipeline Construction Procedures ..................... 2-11
2.3.1.1 Pipeline Design ........................................................... 2-12
2.3.1.2 Offshore Pipe Lay........................................................ 2-12
2.3.1.3 Subsea Trenching Jet-Sled ......................................... 2-13
2.3.1.4 Subsea Cable Crossing ............................................... 2-14
2.3.1.5 Subsea Hot-Tap .......................................................... 2-15
2.3.2 Horizontal Directional Drilling Installation ...................................... 2-16
2.3.2.1 Drilling a Pilot Hole ...................................................... 2-16
2.3.2.2 Opening or Reaming the Hole ..................................... 2-19
2.3.2.3 Pull Back of the Pipe ................................................... 2-19
2.3.2.4 Horizontal Directional Drilling Fluid .............................. 2-20
2.3.3 Onshore Pipeline Construction Procedures .................................. 2-21
2.3.4 Aboveground Facility Construction ............................................... 2-21
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2.3.5 Construction Schedule .................................................................. 2-22
2.4 Operations and Maintenance ................................................................... 2-22
2.4.1 Pipeline......................................................................................... 2-23
2.4.2 Aboveground Facilities ................................................................. 2-24
3.0 PROJECT JUSTIFICATION ..........................................................................................3-1 3.1 Purpose and Need for the Proposed Work ................................................. 3-1
3.1.1 National Grids Proposed Brooklyn-Queens Interconnect Project ... 3-2
3.1.2 Transcos Rockaway Delivery Lateral Project ................................. 3-3
3.2 Alternatives Analysis .................................................................................. 3-4
3.2.1 No Action Alternative ...................................................................... 3-4
3.2.1.1 Energy Conservation Alternatives ................................. 3-8
3.2.1.2 Alternative Energy Sources ......................................... 3-11
3.2.2 System Alternatives ...................................................................... 3-18
3.2.2.1 Existing Pipelines ........................................................ 3-19
3.2.2.2 New Pipeline Proposals............................................... 3-24
3.2.2.3 Proposed Liquefied Natural Gas Facilities ................... 3-26
3.2.3 Construction Alternatives .............................................................. 3-29
3.2.3.1 Onshore Construction Alternatives .............................. 3-29
3.2.3.2 Offshore Construction Alternatives .............................. 3-30
3.2.4 Pipeline Route Alternatives ........................................................... 3-35
3.2.4.1 Basic Pipeline Siting Requirements ............................. 3-35
3.2.4.2 Siting Control Points .................................................... 3-36
3.2.4.3 Overview of Pipeline Routing Alternatives ................... 3-37
3.2.4.4 Pipeline Route Alternatives Evaluation ........................ 3-40
3.2.4.5 Summary ..................................................................... 3-45
3.3 Adjacent Property Owners ....................................................................... 3-45
3.4 Environmental Review and Project Assessment....................................... 3-46
3.4.1 Construction Schedule .................................................................. 3-48
3.4.1.1 Biological Communities ............................................... 3-49
3.4.1.2 Gateway National Recreation Area Visitors ................. 3-50
3.4.1.3 Vessel Traffic and Boater Activities ............................. 3-50
3.4.2 Burial Depth .................................................................................. 3-51
3.4.3 Active Backfill ............................................................................... 3-53
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3.4.4 Trenching ..................................................................................... 3-55
3.4.5 HDD Exit Pit ................................................................................. 3-56
3.4.6 Grout Mattresses .......................................................................... 3-56
3.4.7 Anode Bed .................................................................................... 3-57
3.4.8 Cable Crossing ............................................................................. 3-58
3.4.9 Sediment Disturbance .................................................................. 3-58
3.4.9.1 Sedimentation ............................................................. 3-58
3.4.9.2 Total Suspended Solids............................................... 3-60
4.0 COASTAL ZONE CONSISTENCY .................................................................................4-1
5.0 REFERENCES ...........................................................................................................5-1
APPENDICES APPENDIX A FIGURES ........................................................................................................... A-1 APPENDIX B REPRESENTATIVE SITE PHOTOS ......................................................................... B-1 APPENDIX C PERMISSION TO INSPECT PROPERTY .................................................................. C-1 APPENDIX D FULL ENVIRONMENTAL ASSESSMENT FORM ....................................................... D-1 APPENDIX E NYSDOS CONCURRENCE FOR PROJECT CONSISTENCY WITH THE NEW YORK
STATE COASTAL MANAGEMENT PLAN AND THE NEW YORK CITY WATERFRONT REVITALIZATION PROGRAM CONSISTENCY .................................... E-1
APPENDIX F CRITICAL ENERGY INFRASTRUCTURE INFORMATION ............................................ F-1 APPENDIX G HYDRODYNAMIC AND SEDIMENT TRANSPORT ANALYSES FOR ROCKAWAY
DELIVERY LATERAL PROJECT ............................................................................ G-1 APPENDIX H HYDRODYNAMIC AND SEDIMENT TRANSPORT ANALYSES FOR ROCKAWAY
DELIVERY LATERAL PROJECT: ADDENDUM 1 ...................................................... H-1 APPENDIX I HYDRODYNAMIC AND SEDIMENT TRANSPORT ANALYSES FOR ROCKAWAY
DELIVERY LATERAL PROJECT: ADDENDUM 2 ....................................................... I-1
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List of Tables
Table 1.1 Route Position List ............................................................................................... 1-5
Table 1.2 Project Description Reference Table .................................................................... 1-6
Table 1.3 Agency Permits and Approvals for the Project...................................................... 1-6
Table 2.1 Pipeline Segment Lengths.................................................................................... 2-3
Table 2.2 Offshore Construction Land Requirements ........................................................... 2-4
Table 2.3 Onshore Construction Land Requirements ....................
