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Home My WebLink AboutNCS000435_Asheville MS4 Inspection App B Photograph Log_20181218 Appendix B Photograph Log This page intentionally left blank MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 1 of 9 Photograph 1. Parks and Recreation. View of petroleum product staining on the impervious surface beneath a trailer parked in the northeast area of the facility. Photograph 5, below, shows the nearest storm drain inlet located downgradient from this location. Photograph 2. Parks and Recreation. Close-up view of the petroleum product staining shown in Photograph 1. Photograph 5, below, shows the nearest storm drain inlet located downgradient from this location. Petroleum product staining Petroleum product staining MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 2 of 9 Photograph 3. Parks and Recreation. View of petroleum product staining on the impervious surface beneath a tractor parked in the northeast area of the facility. Photograph 5, below, shows the nearest storm drain inlet located downgradient from this location. Photograph 4. Parks and Recreation. Additional view of the petroleum product staining shown in Photograph 3. Photograph 5, below, shows the nearest storm drain inlet located downgradient from this location. Petroleum product staining Petroleum product staining MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 3 of 9 Photograph 5. Parks and Recreation. View of a storm drain inlet in the west area of the facility, downgradient from the areas with petroleum product staining shown in Photographs 1 through 4. Note that there are no BMPs installed to prevent pollutants from entering the inlet. Photograph 6. Parks and Recreation. Additional view of the storm drain inlet shown in Photograph 5. Note the cement block covering the opening due to a missing catch basin or grate. Storm drain inlet MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 4 of 9 Photograph 7. E-building. View of the storm drain inlet downgradient from the facility’s brine tanks and secondary containment structure. The flow entering the inlet was filtered street sweeper wash water. Photograph 8. E-building. View of the drain valve on the southeast corner of the brine tank secondary containment structure shown in Photograph 10. The inspection team noted that the valve was open at the time of the site visit. Valve in open position Brine tanks and secondary containment Street sweeper washing area Storm drain inlet MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 5 of 9 Photograph 9. Craven Street Outfall No. 1. View of the outfall(s) which discharged into the French Broad River. It was unclear whether or not these were two separate MS4 outfalls. Note that one of the pipes is partially severed. Photograph 10. Craven Street Outfall 2. View of the outfall. The sedimentation in the mouth of the pipe appeared to be a result of backflow from the French Broad River. Partially severed pipe MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 6 of 9 Photograph 11. 55 S. Market St. Construction Site. View of the site’s stabilized construction entrance from S. Market St. Note the sediment track out onto S. Market St. Photograph 12. 55 S. Market St. Construction Site. View of the silt fence installed along the site’s south perimeter. Note that the fence is partially collapsed. Also note the sediment located offsite beyond the silt fence. Sediment track out S. Market St. Sediment Collapsed silt fence MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 7 of 9 Photograph 13. 55 S. Market St. Construction Site. View of the silt fence installed along the site’s east perimeter. Note the sediment accumulated against the silt fence, and that the silt fence is not fully entrenched into the ground. Photograph 14. 55 S. Market St. Construction Site. Additional view of the silt fence installed along the site’s east perimeter, shown in Photograph 14. Note the sediment accumulated against the silt fence. Accumulated sediment Accumulated sediment Silt fence not entrenched MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 8 of 9 Photograph 15. 55 S. Market St. Construction Site. View of a storm drain inlet near the site entrance which had silt fence installed around it. The North Carolina Erosion and Sediment Control Planning and Design Manual, Chapter 6 (Inlet Protection) does not include any inlet protection BMP designs that use silt fence. Photograph 16. 55 Market St. Construction Site. View inside the storm drain inlet shown in Photograph 16. Note the accumulated sediment inside the catch basin. Storm drain inlet Accumulated sediment MS4 Inspection Report Asheville, NC: NPDES Permit No. NCS000435 Inspection Date: September 27-28, 2018 Page 9 of 9 Photograph 17. Skyland Exchange Construction Site. View of a stormwater discharge point located along the site’s west perimeter. Note that a rip-rap apron was not installed at the discharge point as required by the site’s erosion and sedimentation control plans. Photograph 18. Skyland Exchange Construction Site. View of a retaining wall along the site’s west perimeter. Note the evidence of erosion along the top of the retaining wall. Also note the accumulated sediment downgradient from the retaining wall. No rip-rap apron Accumulated sediment Evidence of erosion