EXH0606023932

Sent: Thursday, September q3, 2001 11:45 AM To: Kenny, Ann Subject: FW: MRNP Tables Tabl_ 4.1-i, 4.1-3.d_ Here's the latest NRMP mitigation summary tables. I gave them to Andy McMillan, per his request. Erik ..... Original Message ..... From: Art Anderson [mailto:aanderson@parametrix.com] Sent: Thursday, September 13, 2001 11:20 AM To: Stockdale, Erik Cc: Jim Kelley Subject: MRNP Tables As requested by Jim Kelley @ Parametrix Table 4.1-1 and 4.1-3 of the Natural Resource Mitigation Plan, 2001 AR 023932 Table 4J-l. SummarT of mitigation actions and their relation to National Environmental Policy Act, State Environmental Policy Act, and Clean Water Act mitigation sequencing requirements. Mitigation Requirement Proposed Mitigation Action New Third Runway Avoid the impactby not Avoid fill in wetlands andMiller Creek by desire'ringthe runway to meet the takinga certainactionor mimmum operational, engineering,safety, andmaintenance standards. partsof anaction. Locate, where feasible, pe_ent stormwaterdetentionponds in uplands. Avoid excavation within 50 fi of CategoryII and m wetlands m Borrow Area 3. Avoid wetlands in BorrowArea 1 wherepractical. Consmactretainingwalls at thenorthwestend of the runway to reduce impacts to Miller Creekand Category11wetlands (Wetlands8, 9, and AI) located at the north end of the project. Install a retainingball nearthe west-centralportion of the embanka_entto reduce impacts to Cal_gory II Wetlands18 and37 andavoid relocating a second segmentof Miller Creek. Minimizethe impactby Place a retaining wall near the southwest end of the runway to reduceimpact to a limitingthe degreeor Category II wetland(Wetland44). magnitudeof theaction. Design Borrow Areas 1 and3 witha 150- to 200-ft setback from Des Moines Creek to minimize…

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PSCAA Advisory Council Meeting Agenda
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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 [...]