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HomeMy WebLinkAbout20191652 Ver 1_USACE Request for More Information_20191220Strickland, Bev From: Bailey, David E CIV USARMY CESAW (USA) <David.E.Bailey2@usace.army.mil> Sent: Friday, December 20, 2019 9:52 AM To: Greg Garrett; Brad Luckey Cc: Homewood, Sue Subject: [External] Request for Additional Information: Meadow Valley s/d, High Point, Guilford Co.; SAW-2018-02095 Follow Up Flag: Follow up Flag Status: Flagged External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to report.spam@nc.gov Messrs. Garrett and Luckey, Thank you for your PCN and attached information, dated and received 11/26/2019, for the above referenced project. I have reviewed the information and need clarification before proceeding with verifying the use of Nationwide Permit 29 (http://saw-reg.usace.army.mil/NWP2017/2017NWP29.pdf). Please submit the requested information below (via e-mail is fine) within 30 days of receipt of this Notification, otherwise we may deny verification of the use of the Nationwide Permit or consider your application withdrawn and close the file: 1) Please note that stream and wetland impacts for additional phases of the Meadow Valley s/d were authorized via NWP 29 and 12 on 9/12/2007. However, based on evaluation of the previously permitted plans, our site visit in 2018, and the most recent aerial photography, none of the authorized impacts were constructed. Further, the NWP 29 and 12 verification dated 9/12/2007 has since expired. As such, the currently proposed stream and wetland impacts will be evaluated as the entirety of proposed impacts for the Meadow Valley single and complete project; 2) Provide a plan view of the lot layout and infrastructure (roads, utilities, stormwater, etc.) for the entire proposed Meadow Valley s/d overlaid on a survey of the stream and wetland delineation approved by the Corps. This plan is necessary to evaluate avoidance and minimization measures and potential indirect impacts for the project; 3) Is rip rap proposed to be placed in the stream channel associated with Crossings A or B? If so, include the rip rap on the plan and profile views of these crossings, and ensure that the stream and/or wetland impacts associated with rip rap is included and itemized clearly on the PCN and plans; 4) Include a graphic (not text) scale on all plan sheets; 5) Crossing A plans: a. The PCN proposes 108 I.f. of stream impacts. However, the profile drawing shows the footprint of the culvert and headwalls to be 111 I.f. Further, it the stream has any sinuosity the actual stream length impacted by the culvert and headwall footprint would exceed the length of the structure. Please re- evaluate all proposed impacts and update the PCN and plans accordingly; b. The plan view appears to show that the pipe is aligned such that the outlet occurs outside of the existing channel. If the culvert pipe will be aligned such that the inlet and outlet are in -line with the existing stream channel, please update the mapping to depict accurately. If not, please update your plans to meet this requirement (Regional Condition 3.6.1); c. The profile view twice shows "Existing 'Intermittent' Stream Invert." Change to "Existing 'Perennial' Stream Invert." 6) Crossing B plans: a. Clearly show the center line of the intermittent stream on the plan view; b. Provide a profile view for this proposed crossing; 7) Temporary impacts: a. For the proposed temporary wetland impact, clarify that the wetland will be restored such that the top 12" of wetland soil will be segregated and placed back as the top 12" of soil upon restoration of this wetland area; b. Provide the proposed seed mix to be used in the restoration of temporary wetland and stream impacts; 8) Please note that responses to the items above (especially item 2) may prompt additional information requests to allow full evaluation of the proposed project. Please let me know if you have any questions. -Dave Bailey David E. Bailey, PWS Regulatory Project Manager US Army Corps of Engineers CE-SAW-RG-R 3331 Heritage Trade Drive, Suite 105 Wake Forest, North Carolina 27587 Phone: (919) 554-4884, Ext. 30. Fax: (919) 562-0421 Email: David.E.Bailey2@usace.army.mil We would appreciate your feedback on how we are performing our duties. Our automated Customer Service Survey is located at: http://corpsmapu.usace.army.mil/cm_apex/f?p=136:4:0 Thank you for taking the time to visit this site and complete the survey.