EXH1277051053

1.1 Purpose of the Conceptual Plan 1 1.2 Project Proponent and Overview 2 1.3 Project Summary Description 3 2.0 SURROUNDING ENVIRONMENT 5 2.1 Overview of the Borrow Areas and the Master Plan Update EIS Process 5 2.2 Site Soils and Geology 6 : 2.3 Site Hydrology 7 2.4 Wetlands 8 2.5 Other Anticipated Watershed and Habitat Issues 10 3.0 SUMMARY OF BORROW DEVELOPMENT OPERATIONS 11 3.1 Description of Site Preparation Activities 11 3.2 Description of Excavation Practices and Operating Plan 12 4.0 CONCEPTUAL RECLAMATION PLAN 19 4.1 Description of General Parameters and Features 20 4.2 Reclamation Measures 21 4.3 Timing of Reclamation Activities 24 5.0 REVEGETATION PLANNING, WEED CONTROL, AND WILDLIFE 26 6.0 RECLAMATION AND REVEGETATION MONITORING PLAN 26 6.1 Reclamation and Slope Stability Monitoring Program 26 6.2 Revegetetion and Stormwater Control Monitering Program 26 7.0 REFERENCES 27 DRAWINGS TitleSheet,DrawingIndex,SiteLocationMap,andBorrowAreaand HaulRouteLayout Abbreviations/Legend/Nores SouthAirfieldandBorrowAreaZoningMap DRAFT Pagei,I-4978-65 AR 051054 CONTENTS (Continued) DRAWINGS (Continued) Site ExplorationPlan and Perched Water-BearingZone Elevation Contour Map ShallowRegionalAquiferElevationContour Map, BorrowArea 3 HydrogeologicCrossSectionsfor PerchedWater-BearingZone and ShallowAquifer BorrowArea 3 Wetland ProtectionSwale,Post-ReclamationTopographyand Drainage Facilities HydrogeologicProfile/CrossSectionsfor PerchedWater-BearingZone andWetland DrainageSwale WetlandsMap ShowingPre-ExcavationElevationContours ConceptualHaul Routefrom BorrowAreasto Airfield ConceptualDetail - Haul Route CrossingDes Moines Creek Pre-ExcavationElevationContour Map Year 1: ConceptualMid-Year ExcavationPlan Year 1: ConceptualExcavationPlanNear Endof Year Year 2: ConceptualMid-YearExcavation Plan Year 2: ConceptualExcavationPlan Near Endof Year Year 1: ConceptualEndof Year Concurrent ReclamationPlan Year 2: ConceptualEndof Year FinalReclamationPlan StormwaterActivity Dischargeand Monitoring Plan, BorrowAreas 3 and 4 Hart Crowser DRAFY Page,J-,4978-65 AR 051055 FINAL DRAFT CONCEPTUAL BORROW MATERIAL DEVELOPMENT AND RECLAMATION PLAN BORROW AREAS 3 AND 4…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]