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2.1.5 Element 5: Stabilize Soils <br /> Exposed soil will be stabilized using a combination of temporary and semi permanent BMPs <br /> including seeding, erosion control nets, plastic covering, early top soiling, surface roughening, <br /> and if necessary Polyacrylamide soil stabilization. <br /> West of the Cascade Mountains Crest <br /> Season Dates Number of Days Soils Can <br /> be Left Exposed <br /> During the Dry Season May 1 —September 30 7 days <br /> During the Wet Season October 1 —April 30 2 days <br /> Soils must be stabilized at the end of the shift before a holiday or weekend if needed based on <br /> the weather forecast. <br /> Anticipated project dates: Start date: 7/12/2017 End date: 12/20/2017 <br /> Will you construct during the wet season? <br /> ® Yes❑ No <br /> List and describe BMPs: C120 Temporary and Permanent Seeding, C122— Nets and <br /> Blankets, C123— Plastic Covering, C125—Topsoiling/Composting, C126— Polyacrylamide <br /> (PAM)for Soil Erosion Protection, C130—Surface Roughening <br /> Installation Schedules: During earthmoving activity and maintained throughout construction. <br /> Inspection and Maintenance plan: Wet Season: Weekly and after heavy rainfall, Dry Season: <br /> Monthly and after rainfall. See Appendix B. <br /> Responsible Staff: TBD <br /> Page 110 <br />