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HomeMy WebLinkAbout20170536 Ver 2_Request For Additional Info_20190211Mitchell, Robert K From: Mitchell, Robert K Sent: Monday, February 11, 2019 4:09 PM To: 'Andrew Bick' Cc: 'Brown, David W CIV USARMY CESAW (US)'; Leslie, Andrea J Subject: Request For Additional Information EFA Properties Shoreline Stabilization - DWR# 2017-0536 V2 Transylvania - Trout Andrew, Feel free to call or email if you need clarification on any of this. On January 30 , 2019, the Division of Water Resources (Division) received your application dated January 23, 2019, requesting a 401 Water Quality Certification from the Division for the subject property. The Division has determined that your application is incomplete and cannot be processed. The application is on -hold until the following information is received: The Wildlife Resources Commission and the Division recommend the installation of rip rap on the waterward side of boulder walls to provide aquatic habitat and additional energy dissipation. Please include a typical showing the installation of rip rap below the wall to ensure protection of aquatic habitat or provide an explanation of why this cannot be practically accomplished. [15A NCAC 02H .0506(b)(2)] Please provide the dimensions (footprint) of the new seawall including the rip rap apron and any fill material. Provide an updated impact table that includes the rip rap. [15A NCAC 02H .0502(c)] The Division has concerns that the proposed measures may not be enough to prevent sedimentation and that the proposed activity may exceed the turbidity standard for trout waters (10 NTUs). The concerns are the initial removal of material before the plastic sheeting is installed, the removal of the boulder wall/fill, and equipment access during the final stage of removal and salvage. Similar seawall projects on Lake Toxaway have utilized cofferdams and turbidity curtains to isolate the work area and meet the standard. Please provide additional best management practices to ensure that the turbidity standard for trout waters is not exceeded. [15A NCAC 02B .0211(21)] Pursuant to Title 15A NCAC 02H .0502 (c), the applicant shall furnish all of the above requested information for the proper consideration of the application. If all of the requested information is not received within 30 calendar days, of receipt of this email, the Division will be unable to approve the application and it will be returned. The return of this project will necessitate reapplication to the Division for approval, including a complete application package and the appropriate fee. You may provide your response via email or mail to the address noted below. Should you have any questions regarding these matters, please contact Kevin Mitchell at (828) 296-4650 or kevin.mitchell@ncdenr.gov. Kevin Mitchell Environmental Specialist—Asheville Regional Office Water Quality Regional Operations Section NCDEQ— Division of Water Resources 828-296-4650 Office Email Kevin.mitchell@ncdenr.gov 2090 U.S. Hwy. 70 Swannanoa, N.C. 28778 -: _� lothtng Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties.