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HomeMy WebLinkAbout20161079 Ver 1_NOV Response_20171030October 30, 2017 N.C. Division of Water Resources 450 Hanes Mill Road, Suite 300 Winston-Salem, NC 27105 Attention: Ms. Sue Homewood U.S. Army Corps of Engineers Raleigh Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 Wake Forest, North Carolina 27587 Attention: David Bailey Reference: Follow -Up to Restoration Activities Notice of Violation 2017 -PC -0630 PNG Southern Alamance System Enhancements Gibsonville, North Carolina DWR project No. 2016-1079 USACE Action ID No. 2016-02226 S&ME Project No. 7435-16-053 Dear Ms. Homewood and Mr. Bailey: This correspondence is in follow-up to your September 27, 2017 Notice of Violation and Recommendation for Enforcement letter regarding the Piedmont Natural Gas (PNG) project referenced above. The project is located near the Town of Gibsonville (Guilford County) and the City of Burlington (Alamance County), North Carolina. The approximate center of the project is located at 36.060619° N, -79.552300° W (Figure 1). The project was authorized under Nationwide Permit (NWP) No. 12 from the U.S. Army Corps of Engineers (USACE) and the corresponding North Carolina Water Quality Certification from the N.C. Division of Water Resources (DWR) on November 28, 2016. Based on a September 22, 2017 site inspection that you conducted, it was determined that a temporary work bridge pad had been installed within Back Creek (Stream Crossing #5) resulting in unauthorized temporary impacts. In addition, unauthorized impacts were also observed at three other streams (#4, #6 and #7). Crossings #1-3 were not observed during the site visit. The location of each of the subject crossing was depicted on Figure 1 in our October 9, 2017 response letter. S&ME (Joey Lawler) met with representatives of PNG and Distribution Construction, LLC at the project site on October 4, 2017 in order to review the subject stream crossings and determine appropriate measures for restoring compliance. Results of our site visit, along with the proposed measures that will be undertaken by PNG to bring the crossings back into compliance, were identified in our October 9, 2017 response letter. The restoration work was completed by October 20, 2017. PNG then notified S&ME, who conducted a follow-up site visit on October 25, 2017 to document the completed work. A summary of observations at the subject stream crossings is provided below. Photographs of the subject crossings taken during the follow-up site visit are also provided (Appendix I). S&ME, Inc. 19751 Southern Pine Boulevard I Charlotte, NC 28273 1 p 704.523.4726 1 f 704.525.3953 1 www.smeinc.com Follow -Up to Restoration Activities S&ME Project No. 7435-16-053 PNG Southern Alamance System Enhancement October 30, 2017 Crossing #1 (36.061132°N, -79.564203°W) — Excessive riprap originally observed in the channel bed was removed to more closely approximate the amount that was present prior to construction. Crossing #2 (36.061160°N, -79.560723°W) - Excessive riprap originally observed in the channel bed was removed to more closely approximate the amount that was present prior to construction. Crossing #3 (36.061257°N, -79.548002°) — This stream and wetland crossing were conducted by horizontal directional drill with no travel lane or maintenance corridor established. Accordingly, this crossing was not impacted and remains undisturbed. Crossing #4 (36.061929°N, -79.543163°W) — A small pipe overtopped with gravel was originally observed at this crossing. The pipe and gravel were removed and the streambanks restored in accordance with the project's original restoration plan. Crossing #5 (36.062343°N, -79.538164°). Riprap was initially observed in the streambed under- laying an equipment bridge. The riprap and bridge were removed and the stream banks restored in accordance with the project's original restoration plan. Crossings #6 and #7 (36.061890°N, -79.533015°W / 36.0613631N, -79.536150° ). The pipes and riprap originally observed in the stream channels were removed and the streambanks restored in accordance with the project's original restoration plan. Based on our observations, we concluded that the restoration activities were completed in accordance with the project's original Restoration Plan, which was included with our October 9, 2017 response letter. The project should now be in compliance with the applicable NWP/Water Quality Certification conditions. Thank you for your assistance in this matter. If you have questions or need additional information, please feel free to contact us at 704.523.4726. Sincerely, 5&ME Jo P.W.S. Project Manager ialwler@smeinc.com Senior Review by Chris Stahl, PE Appendix I Post -Restoration Photos i VOL W Y" r Y - r View of Crossing 1 facing downstream (south). Riprap in excess of that which was observed in the channel prior to construction was removed. Al J L A^ r ! J0 X+ x L F l � i View of Crossing 2 facing downstream (south). Riprap in excess of that which was observed in the channel prior to construction was removed. Project No.: 7435-16-053 SITE Follow -Up to Restoration Activities Taken by: S&ME i PNG Southern Alamance PHOTOGRAPHS System Enhancement Photo Page 1 Date Taken: 10.25.2017 S I � g E OF View of Crossing 4 facing up stream (north). A pipe was removed and the streambanks restored. a•� ,d4 60 r err ,§snu View of Crossing 5 facing downstream (south). Riprap and an equipment bridge were removed and the streambanks restored. Project No.: 7435-16-053 SITE Follow -Up to Restoration Activities Taken by: S&ME PNG Southern Alamance PHOTOGRAPHS Page 2 System Enhancement Photo Pa Date Taken: 10.25.2017 � g Second view of Crossing 5 facing west. View of Crossing 6 facing south. Riprap and a pipe were removed and the streambanks restored. SITE PHOTOGRAPHS Photo Page 3