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09/16/1994 19:30 6127776307 RWMWD PAGE 03 (GENERAL PROVISIONS CONTINUED) _ 3. All construction site entrances shall be surfaced with crushed rock across the entire width of the entrance end 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 main- tained 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 stormsewer outlets. 14. The District Administrator shall be notified of the preconstruction meeting scheduled for the project 15. All storm sewers discharging into wetlands or water bodies shall outlet at or below the normal water level of the re- spective wetland or water body or at an elevation where the downstream slope is 1 percent or flatter. The normal wa- ter level shall 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 at 6 inches. The trench backfill shall be compacted with a vi- bratory 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 an 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.. Authorized Signature; C,iiftan J. o c+,inger SPECIAL PROVISIONS (See Permit Attachment) Title: District Administrator Date: i3-14-04