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. <br /> EROSION CONTROL ELEMENT # 8 - Stabilize Channel and Outlets. <br /> Requirements—Stabilize Channel Outlets <br /> 1. All temporary on-site conveyance channels shall be designed,constructed and <br /> stabilized to prevent erosion from the expected peak 10 minute velocity of flow <br /> from a Type 1A, 10-year,24-hour frequency storm for the developed condition. <br /> Alternatively,the 10-year, 1-hour flow rate indicated by an approved continuous <br /> runoff model, increased by a factor of 1.6,may be used. <br /> 2. Stabilization,including armoring material,adequate to prevent erosion of outlets, <br /> adjacent stream banks, slopes and downstream reaches shall be provided at the <br /> outlets of all conveyance systems. <br /> The following Best Management Practices,(BMPs),the ones that the Contractor will implement on <br /> site,to meet the erosion control requirements listed above: <br /> ❑ Channel lining—BMP C202 <br /> ❑ Outlet protection—BMP C209 <br /> ❑ Other <br /> ✓ Not Applicable—See explanation below <br /> Actions will be taken to accomplish these requirements and objectives,given the unique <br /> circumstances of the project and or site. <br /> No storm drainage channels such as a ditch will be constructed, either temporary or permanent. <br /> There are no existing channels or ditches with in the project area. <br /> 14 <br />