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2.1.5 Element 5: Stabilize Soils <br /> Exposed and unworked soils shall be stabilized with the application of effective BMPs to prevent <br /> erosion throughout the life of the project. <br /> In general, cut and fill slopes will be stabilized as soon as possible and soil stockpiles will be <br /> temporarily covered with plastic sheeting.All stockpiled soils shall be stabilized from erosion, <br /> protected with sediment trapping measures, and where possible, be located away from storm <br /> drain inlets, waterways, and drainage channels. <br /> Earthwork quantities: 14,200 CY Cut/25,100 CY Fill <br /> West of the Cascade Mountains Crest <br /> Season Dates Number of Days Soils Can <br /> Be Left Ex osed <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: 06/17 End date: 12/17 <br /> Will you construct during the wet season? <br /> � Yes❑ No <br /> Applicable BMPs: <br /> Element 5: Stabilize Soils: <br /> • BMP C120: Temporary and Permanent Seeding <br /> • BMP C121: Mulching <br /> • BMP C123: Plastic Covering <br /> • BMP C130: Surface Roughening <br /> • BMP C140: Dust Control <br /> • Early application of gravel base on areas to be paved <br /> Installation Schedules: Start of project and replaced as needed and at start of wet season. <br /> Inspection and Maintenance ptan: Responsible staff to make weekly site walks and inspections <br /> to identify deficiencies in onsite BMPs and anticipate potential problems and remedies. <br /> Responsible Staff: Identified Certified Erosion and Sediment Control Lead in Section 3 of this <br />- SWPPP. <br /> � ag � � 12 <br />