EXH1216048591

1.3.2 Runway Safety Area Extermom / South 1.gt_ Street Relocanon ............. 1-10 1.3.3 The South Aviation SupportArea (SASA) ............................................... 1-12 1.3.4 On-Sit, Borrow Source Areas.................................................................... 1°12 1.3.5 Other SupportFacilities ............................................................................. 1-14 1.4 RESPONSIBLE PARTIES .................................................................................... 1-14 1.5 DOCUMENT ORGANIZATION ......................................................................... 1-14 2. EXISTING CONDITIONS IN THE PROJECT AREA ...................................................... 2-1 2.1 WETLANDS ............................................................................................................ 2-1 2.1.1 Wetland Delineation Methodology .............................................................. 2-1 2.1.2 Wetland Descriptions ................................................................................... 2-7 2.2 STREAMS ................................................................................................................ 2-7 2.2.1 Miller Creek Basin ....................................................................................... 2-7 2.2.2 Des Momes Creek Basin ............................................................................ 2°! 5 2.2.3 Gilliam Creek ............................................................................................. 2-16 3. NATURAL RESOURCE IMPACTS SUMMARY ............................................................. 3-1 3.1 WETLANDS .................................................................................. •......................... 3-1 3.2 STRY=ANLS..............................................................................................................3-10 3.3 FLOODPLAINS ..................................................................................................... 3-10 3.4 DRAINAGE CHANNELS ..................................................................................... 3-10 3.5 WATER QUANTITY AND WATER QUALITY ................................................ 3-13 4. MITIGATION, MONITORING, MAINTENANCE, AND CONTINCENCY OVERVIEW ........................................................................................... 4-.I 4.1 MITIGATION .......................................................................................................... 4-1 4. l.l On-Sit* In-Basra Mitigation ....................................................................... 4-.-I l 4.1.2 Off-Site Mitigation ..................................................................................... 4-.15 4.1.3 Replacement of Functiormby the Mitigation Plan. .................................... 4--16 4.2 MONITORING PLAN AND CONTINGENCY MEASURES ............................ 4-.I6 4.2.1 Monitoring Approach ................................................................................. 4-.I6 4.2.2 Adaptive Management Approach .............................................................. 4-22 5. IN-BASIN MITIGATION PROJECTS ............................................................................... 5-! 5.1 VACCA FARM MITIGATION .............................................................................. 5-2 Nantral Resource Mitigation Plan i December 2000 Seattle-Tacoma lmematmr_l Azrpon 556-2912-001 (03) Master Plan Update ¢:_rA...,_u_t_a,_tmlm,_mo_m,oa,_g,_ AR 048593 TABLE OF CONTENTS (eoeliaued) Pa2....,_e 5.1.1 Miller CreekRelocation andChannel Restoration Plan.............................. 5-3 5.1.2 Vacca FarmFloodplain and Wetland Restoration Plan ............................. 5-26 _.435.1.3 Lara Lake Shoreline Enhancement............................................................. 5.1.4 Implementation of the Vacca Farm Mitigation Projects ............................ 5.48 5.2 MILLER CREEK RIPARIAN AND INSTREAM ENHANCEMJD_ PROJECTS ....................................................... 5-5S 5.2.1…

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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 [...]