40600-HS-PER-55038 Revision 1 Proposed Grays Harbor Potash Export Facility Land Use and Shoreline Master Program Compliance
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City of Hoquiam Permit Review 40600-HS-PER-55038 Revision 1 Proposed Grays Harbor Potash Export Facility Land Use and Shoreline Master Program Compliance Prepared for BHP Prepared by WSP USA WA17.0202.00 31 July 2019 40600-HS-PER-55038 Revision 1 Proposed Grays Harbor Potash Export Facility Land Use and Shoreline Master Program Compliance Hoquiam, Washington Submitted to: City of Hoquiam Hoquiam, Washington USA Applicant: BHP 130 Third Avenue South Saskatoon, SK S7K 1L3 Canada Submitted by WSP USA 210 East 13th Street, Suite 300 Vancouver, Washington 98660 A17.0202.00 LAND USE AND SHORELINE MASTER PROGRAM COMPLIANCE Proposed Grays Harbor Potash Export Facility Hoquiam, Washington TABLE OF CONTENTS SECTION PAGE 1.0 INTRODUCTION ............................................................................................................... 1 Project Overview ................................................................................................. 1 Request ................................................................................................................ 3 Other Approvals and Permits ............................................................................. 3 1.3.1 Federal Approvals/Permits ..................................................................... 3 1.3.2 State Approvals/Permits ......................................................................... 4 1.3.3 Local Approvals/Permits ......................................................................... 4 2.0 EXISTING CONDITIONS .................................................................................................. 5 Project Site ........................................................................................................... 5 2.1.1 Site Overview ........................................................................................... 5 2.1.2 Site Access............................................................................................... 5 2.1.3 Existing Structures/Topography ............................................................ 6 2.1.4 Existing Land Uses .................................................................................. 6 2.1.5 Adjacent Land Uses ................................................................................ 6 2.1.6 Archaeological Resources ...................................................................... 7 IDD#1 Site ............................................................................................................. 7 2.2.1 Site Overview ........................................................................................... 7 2.2.2 Site Access............................................................................................... 7 2.2.3 Existing Structures/Topography ............................................................ 7 2.2.4 Existing Land Uses .................................................................................. 8 2.2.5 Adjacent Land Uses ................................................................................ 8 2.2.6 Archaeological Resources ...................................................................... 8 3.0 CRITICAL AREAS AND SHORELINES ........................................................................... 9 Project Site ........................................................................................................... 9 3.1.1 Wetlands ................................................................................................... 9 3.1.2 Geologically Hazardous Areas ............................................................... 9 3.1.3 Fish and Wildlife Habitat Conservation Areas .................................... 11 3.1.4 Frequently Flooded Areas .................................................................... 17 3.1.5 Shoreline Master Program (HMC 11.05) .............................................. 18 IDD#1 Site ........................................................................................................... 20 3.2.1 Wetlands ................................................................................................. 20 3.2.2 Geologically Hazardous Areas ............................................................. 20 3.2.3 Fish and Wildlife Habitat Conservation Areas .................................... 20 3.2.4 Frequently Flooded Areas .................................................................... 21 3.2.5 Shoreline Master Program (HMC 11.05) .............................................. 22 4.0 PROPOSED SITE FACILITIES AND IMPROVEMENTS ............................................... 23 Marine Structures .............................................................................................. 23 Railcar Unloading Facility ................................................................................ 24 Product Storage Building ................................................................................. 24 Proposed Grays Harbor Potash Export Facility WSP USA, WA17.0202.00 Land Use and Shoreline Master Program Compliance July 2019 Hoquiam, Washington Page ii of vii Shiploading ........................................................................................................ 25 Administration and Maintenance Building ...................................................... 25 Concrete/Asphalt Pavement and Gravel Surfacing ........................................ 26 Fueling Station .................................................................................................. 26 Vehicle Site Access ........................................................................................... 26 Utilities ............................................................................................................... 26 Rail Improvements ............................................................................................ 27 Stormwater Management .................................................................................. 28 Dredging ............................................................................................................. 28 Conveyor System .............................................................................................. 28 Compensatory Mitigation ................................................................................. 29 4.14.1 IDD#1 Site – Wetland and Aquatic Habitat Creation and Rehabilitation ......................................................................................... 29 4.14.2 Terminal 4 Pile and Overwater Structure Removal ............................ 30 4.14.3 Hoquiam River Preservation Site – Wetland and Forest Buffer Preservation ........................................................................................... 30 5.0 CONSTRUCTION SCHEDULE....................................................................................... 30 6.0 PROJECT IMPACTS ...................................................................................................... 32 Wetland Impacts ................................................................................................ 32 Aquatic Impacts ................................................................................................. 33 Transportation ................................................................................................... 39 6.3.1 Vehicle .................................................................................................... 40 6.3.2 Rail .......................................................................................................... 40 6.3.3 Marine Vessel ......................................................................................... 41 Federal Aviation Administration Evaluation ................................................... 42 Air ....................................................................................................................... 43 Noise ................................................................................................................... 44 Lighting .............................................................................................................. 44 6.7.1 Fixture Details ........................................................................................ 44 6.7.2 Shiploader .............................................................................................. 45 6.7.3 Light Shed .............................................................................................. 45 6.7.4 Glare ....................................................................................................... 45 6.7.5 Nighttime Lighting ................................................................................. 45 7.0 IMPACT AVOIDANCE, MINIMIZATION, AND MITIGATION ......................................... 45 Minimization Measures ..................................................................................... 47 General Best Management Practices .............................................................. 48 Construction Best Management Practices ..................................................... 48 7.3.1 In, Over, and Near Water BMPs ............................................................ 48 7.3.2 Pile Removal BMPs ............................................................................... 49 7.3.3 Pile Installation BMPs ........................................................................... 49 7.3.4 Overwater Concrete Placement Minimization and BMPs .................. 50