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Element 5: Stabilize Soils (2.1.5) <br />Exposed soils shall be stabilized, apply plastic sheeting to cover any stockpiles or disturbed <br />areas on site as needed to prevent erosion during construction. Maintain until stockpiles are <br />removed. <br />West of the Cascade Mountains Crest <br />Season <br />Dates <br />Number of Days Soils Can <br />be Left Exposed <br />During the Dry Season <br />May 1 — September 30 <br />7 days <br />During the Wet Season <br />October 1 — April 30 <br />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: August 2022 End date: May 2023 <br />Will you construct during the wet season? Yes <br />List and describe BMPs: BMP C123: Plastic Covering <br />Installation Schedules: <br />Inspection and Maintenance plan: <br />BMP C140: Dust Control <br />When required per the schedule in the table <br />above or whenever it anticipated that <br />stockpile soils may need stabilization. <br />Inspection and maintenance shall be <br />performed per BMP Guidelines in the <br />SWMMWW. <br />Responsible Staff: CESCL (TBD by Contractor) <br />