2001-08-23_AgendaPacket - Laserfiche WebLink

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Attachment A -Special Provisions (continued) Ramsey Soil and Water Conservation District Shoreline and Streambank Stabilization General Permit #2001-6111 10. All exposed areas above the ordinary high water mark shall be sodded, seeded, mulched or riprapped as needed to prevent erosion and sedimentation. Erosion control measures shall be adequately designed for site characteristics. They may include staked hay bales, diversion channels, sedimentation ponds, or sediment fences. They shall be installed prior to commencement and maintained throughout the project. All exposed soil shall be restored by seeding and mulching or sodding and staking within 72 hours of completion of project. The erosion control fence next to the water body shall run parallel to the contours and shall be trenched into the soil to prevent underFlow. 11. If conditions warrant, the Area Hydrologist may=>~quire that work below the water leve- shall be encircled by a flotation sediment curtain to prevent sediment from being transported beyond the construction site. The barrier shall be removed upon completion of the work. after the silt has settled. 12. No activity affecting the bed of the protected water may be conducted between March 15 and June 15 on watercourse, or between April 1 and June 30 on all other waterbodies, to minimize impacts on fish spawning and migration. If work during Phis time is essential it shall be done only on receipt of approval from the DNR Area Fisheries Manager at 651-772-7950. 13. The permittee shall contact the responsible local government unit official if any grading or filling is to be done above (landward) the ordinary high water mark 14. Excavated materials must be deposited or stored in an upland area, in a manner where the materials will not be redeposited into the protected water by reasonably expected high water or runoff. 15. The permittee shall monitor all disturbed areas for the presence of purple loosestrife and control the plant as described in the attached pamphlet titled "Purple Loosestrife Alert". The DNR aquatic plant manager should be contacted at 772-7950 for permit needs and additional information. 16. Project equipment shall be inspected for Eurasian water milfoil, zebra mussels and other exotics, and decontaminated prior to and following project completion and/or when equipment is moved from one waterbody to another. Every reasonable precaution shall be taken to prevent inoculation of other water bodies. DNR Ecological services (651-296-2835) may be contacted for information on how to decontaminate equipment. 17. The permittee is authorized to maintain the approved work to the dimensions herein described. Prior to commencing any maintenance work, the permittee shall advise the Washington SWCD and the Area Hydrologist of the extent and method of maintenance. The maintenance shat! not be commenced until the permittee receives verbal approval from the Washington SWCD and the Area Hydrologist. 18. Live vegetation for transplantation shall be obtained from a local source.