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5: Stabilize Soils <br /> The "Construction Sequence" calls for the stabilization of soils that remain unworked for <br /> certain lengths of time based on the time of year. Stabilization techniques may include but <br /> not limited to mulching (BMP C121), plastic sheeting (BMP C123) or hydroseeding (BMP <br /> C120), notes have been added to the plan regarding protection for the stock pile area if <br /> necessary. A stockpile area has been identified on the SWPPP and is setback a minimum <br /> of 10-feet from any down slope property line. In addition, during dry periods soil should be <br /> covered or wetted (BMP C140) to reduce the production of dust. <br /> 6: Protect Slopes <br /> All disturbed slopes on site during construction are required to be protected with mulch <br /> (BMP C121) or other means as specified in the construction sequence like surface <br /> roughening (BMP C103). No concentrated runoff or significant amounts of sheet flow will <br /> be directed to new cut or fill slopes during construction (BMP C206). <br /> 7: Protect Drain Inlets <br /> All existing CB inlets will be protected with silt sock or other COE approved method. <br /> 8: Stabilize Channels and Outlets <br /> No new channels or outlets are proposed for this site. <br /> 9: Control Pollutants <br /> No outside chemicals are expected to be necessary for the construction of this project. <br /> Concrete truck chutes, pumps, internals and hand tools shall be washed out only into <br /> formed areas awaiting installation of concrete or asphalt. Unused concrete remaining in <br /> the truck and pump shall be returned to the originating batch plant for recycling. When no <br /> formed areas are available, washwater and leftover product shall be contained in a lined <br /> container and disposed of in a manner that does not violate water quality standards. All <br /> vehicles working on and around the site would need to meet the State requirements for <br /> emissions. A drip pan or other appropriate temporary containment device shall be placed <br /> at locations where leaks or spills may occur during the fueling or maintenance of <br /> machinery. <br /> 10: Control DeWatering <br /> DeWatering is not anticipated for this project. <br /> 11: Maintain BMPs <br /> The construction supervisor will be responsible for maintaining all BMPs during <br /> construction.and working with the City of Everett to relocate or add BMPs as necessary as <br /> site conditions change. <br /> 12: Manage the Project <br /> It will be the responsibility of the Contractor and Developer to manage this project and <br /> coordinate with the City Inspector and Engineer. <br /> Legion Lots 12& 13 20-0215 <br /> April 2020 Page 7 <br /> Revised:April 2021 <br />