EXH1072039950

PCHBPollution Control Hearings Board of the State of Washington

• ::.: based on Phase II analysis ' ' .:'-:"'.:.-:.-:..::'-S'.:._:., PORT0061799 '. . .j - ,_ ,_ _ "" ...,,.:,.. .... _,_..... . _,.... ._,.. AR 039950 1072 ... Sea-Tat international Airport Fill Material Alternatrve Deiwery Method Study for Third Runway - Phase I Table of Contents Page Preface .......................................................................................................................................... P- 1 Executive Summary...................................................................................................................ES- 1 • !lntr_luctJon ...................................................................................................................................... Inventory .......................................................................................................................................... _ Material Suppliers and Contractors .............................................................................................. Associated General Contractors (AGC) Meeting ......................................................................... Similar Projects ............................................................................................................................ 3 Public Agencies ........................................................................................................................... 3 Field Reviews .............................................................................................................................. 3 Material Transfer Sites for Barge and Conveyor ..................................................................... 3 Barge Transfer Site and Conveyor Route on Des Moines Creek ............................................ 3 Conveyor Route on SR 509 ..................................................................................................... 3 Transport System Technologies .................................................................................................... 4 Conveyors .................................................................................................................................... 4 Types of Conveyor Systems .................................................................................................... 4 Loading and Off-Loading Facilities ........................................................................................ 5 Barges .......................................................................................................................................... 5 Rail............................................................................................................................................... 6 Trucking ....................................................................................................................................... 6 Hydraulic Pipeline ....................................................................................................................... 6 General Construction/Environmental Permit Considerations ......................................................... 6 Issues Which Could Decrease Permit Process Time Requirements: ........................................... 7 Issues Which Could Increase Permit Process Time Requirements: ............................................ 7 Alternative Delivery Methods by Corridor ..................................................................................... 8 Corridor 1. Des Moines Creek ........................................................................................................ 9 General Description ..................................................................................................................... 9 Technical Viability ...................................................................................................................... 9 Temporary Barge Transfer Facility ......................................................................................... 9 Land Conveyor System Route ................................................................................................ 10 Conveyor Description ............................................................................................................ !0 Special Conditions and Constraints ....................................................................................... 1I Construction/Environmental Pertaining .................................................................................... I I Barge and Conveyor .............................................................................................................. 1I General Permit Approach ...................................................................................................... 11 Local Permits and Approvals ................................................................................................. 12 State Permits .......................................................................................................................... 14 "" Federal Permits ...................................................................................................................... 15 Sum mar3'................................................................................................................................ 16 Economic Feasibility .................................................................................................................…
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