02-15-01 Planning Comm. Agenda - Laserfiche WebLink

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;ENERAL PROVISIONS CONTINUED) All soils tracked onto pavement shall be removed daily. 9. All construction site entrances shall be surfaced with crushed rock across the entire width of the entrance and from the entrance to a point 50 feet into the construction zone. 10. All storm sewer catch basins not needed for site drainage during construction shall be covered to prevent runoff from entering the storm sewer system. Catch basins necessary for site drainage during construction shall be surrounded by silt fence or double ring of staked hay bales backed by snow fence. The fence or bales shall be installed and maintained around all catch basins until the tributary areas are restored. 11. Properly designed filter blanket and riprap shall be installed on the downstream side of all storm sewer outlets. 12. All riprap shall be designed and installed with a filter material and meet the Minnesota Department of Transportation specifications for riprap and filter material. 13. A silt fence backed by snow fence shall be installed and maintained directly downstream of all storm sewer outlets. 14. A representative of the grading contractor and the owner of the project must attend a meeting with the Watershed District staff to review the erosion and sedimentation control plan and the requirements of the Watershed District. This meeting shall be held prior to any grading of the site. All storm sewers discharging into wetlands or water bodies shall outlet at or below the normal water level of the respective wetland or water body or at an elevation where the downstream slope is 1 percent or flatter. The normal water level sha(I be the invert elevation of the outlet for the wetland or water body as approved by the District. 16. Low floor elevations of homes or buildings adjacent to wetlands or water bodies shall be a minimum of two (2) feet above the critical 100 year flood elevation for the respective wetland or water body as approved by the District. 17. The toe of the silt fence shall be trenched in a minimum of 6 inches. The trench backfill shall be compacted with a vibratory plate compactor. 18. Upon completion of the project and stabilization of all graded areas, all temporary erosion control facilities (silt fences, hay bales, etc.) shall be removed from the site. 19. Establishment of vegetation on the site must be done according to the Ramsey County Erosion and Sediment Control Handbook unless otherwise noted as a special provision of the permit. 20. All permanent sedimentation basins must be restored to their design condition immediately following stabilization of the site. 21. All plan revisions must be submitted to the District for review. Special Provisions (See Permit Attachment) ..~thorized Signature: Clifton J. Aichinger Title: Date f ,,.~. District Administrator 9/6/00 a,. ` ~ Page 6