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HomeMy WebLinkAboutLEE-2023-601_20240425_InspRptSedimentation/Construction Stormwater Inspection Report North Carolina Department of Environmental Quality Land Resources: 1628 Mail Service Center, Raleigh, NC 27699 (919) 791-4200 County: Lee Project: Triangle Innovation Point Water and River basin: Cape Fear Person financially responsible: City of Sanford - Paul Weeks, city engineer Project #: LEE-2023-601 Address: 1. Project Location: Various Roads (See Map), Sanford Pictures: Yes - Digital 2. Weather and soil conditions: Sunny and Dry - Workable Initial inspection: No 3. Is site currently under notice of violation? No 4. Is the site in compliance with S.P.C.A. and rules? No 225 E. Weatherspoon Street, PO Box 3729, Sanford, If no, check violations below: b. Failure to follow approved plan, G.S. 113A-57(5), G.S. 113A-57(5)  e. Insufficient measures to retain sediment on site, G.S. 113A-57(3), G.S. 113A-57(3)  j. Failure to install and maintain measures, 15A N.C.A.C. 4B.0113, 15 NCAC 4B .0113  n. Failure to develop or adhere to approved plan, NCG 010000, Part I  r. Failure to install and maintain BMP's, NCG 010000 Part II, G.2-3  5. Violations: 6. Is the site in compliance with NPDES Permit NCG010000 Construction Stormwater requirements? No Describe: 7. Has sedimentation damage occurred since last inspection? Yes Lake/Natural watercourse off the tract  If Yes, where? (check all that apply) Description: Off-site sediment observed in W-02 at STA 207+00 & W-04 at STA 218+00. Degree of damage: Slight 8. Contact made with (name): George Brodeur Title: Haskell Inspection report: Sent Report Date given/sent: May 07, 2024 9. Corrective action needed: 1. Sediment impacts to the wetlands identified as Impact W-04 (STA 218+00) and Impact W-02 (STA 207+00) must be removed. It is recommended that you use hand labor (buckets, shovels, and wheelbarrows) to remove deposited sediment from the wetland area down to the natural substrate channel and stabilize the impacted area with a native seed mix. Please ensure to copy the Division of Water Resources (zachary.thomas@deq.nc.gov and sue.homewood@deq.nc.gov) on all responses pertaining to sediment removal and restoration efforts. 2. Slight sediment deposition was observed at Impact S-02 (STA -220+00) and the eastern boundary of Impact W-04 (STA 219+00). The accumulation appears slight enough that sediment removal is not required in these areas, however, the impacted areas should be stabilized with a native seed mix and erosion control measures (silt fencing and wattles) should be improved to prevent further sediment loss into wetlands and surface waters. Sedimentation/Construction Stormwater Inspection Report North Carolina Department of Environmental Quality Land Resources: 1628 Mail Service Center, Raleigh, NC 27699 (919) 791-4200 3. Install and maintain silt fence outlets per the approved plan details; with 12-inches of 57-stone height against the hardwire mesh. Rip rap check dams are not appropriate replacements for silt fence outlets. Routinely remove accumulated sediments when the deposition reaches 50% of the outlet stone height to prevent sediment loss. 4. Continue to maintain erosion control measures around all active and completed wetland/stream crossings until permanent ground cover is established to prevent sediment damage from occurring to surface waters or wetlands. Please note, upon removal of temporary crossings, the DWR reserves the right to request further restoration of the area pending the current conditions. 10. Comments: A follow-up inspection was conducted on April 25, 2024. Project Status: Out of Compliance Compliance Deadline: June 6, 2024 (30-days upon receipt of this report) General Notes: - Phase 1 Water and Sewer is 95% complete. - Recently approved revised plan/modifications will be implemented approximately in June 2024. - Phase 2 Sewer is active and Phase 2 Water ill commence approximately at the end of Summer 2024. Please reach out to Celina Amaya (celina.amaya@deq.nc.gov) if any questions or concerns arise. Reported by: Others present: N/A Date of inspection: April 25, 2024 Time arriving on site: 10:00 AM Time leaving site: 1:00 PM Celina Amaya cc: