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HomeMy WebLinkAboutSW3170503 (5)Energy, Mineral & Land Resources ENVIRONMENTAL OUALITY May 23, 2017 Mr. Joel Causey, PE ColeJenest & Stone, PA 200 South Tryon St., Ste. 1400 Charlotte, NC 28202 Subject: Request for Additional Information Stormwater Permit No. SW3170503 Afton Ridge Industrial Cabarrus County Dear Mr. Causey: ROY COOPER Governor MICHAEL S. REGAN Secretary TRACY DAVIS Director The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater Management Permit Application for the subject project on May 11, 2017. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: Revise the supplement to reflect the plans that the internal pond side slopes are 3:1, not 2:1. 2. Revise C-910, OCS-EC-3 section view to show 2:1 for the outer slope to be consistent with the plan view. 3. Provide and label a SCM access easement to the nearest public right-of-way [General MDC 9]. Since there is not a site or grading plan sheet, please show this on the post - construction drainage plan sheet. 4. Provide supporting calculations to demonstrate that the two forebays sum to 15-20% of the main pool volume [MDC 5]. 5. Provide a trash rack on the riser [MDC 10]. 6. Provide a site specific SCM planting plan. List the species, and show where on the shelf each species should be planted [MDC 11]. 7. Please note that a permit modification will be required for the future phases of the project. Nothing Compares, SState of North Carolina I Environmental Quality I Energy, Mineral and Land Resources 512 N. Salisbury Street 11612 Mail Service Center Raleigh, North Carolina 27699-1612 919 707 9200 Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to June 23, 2017, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you need additional time to submit the information, please submit your request for a time extension to the Division at the contact below. The request must indicate the date by which you expect to submit the required information. The Division is allowed 90 days from the receipt of a completed application to issue the permit. The construction of any impervious surfaces, other than a construction entrance under an approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to enforcement action pursuant to NCGS 143-215.6A. Please reference the State assigned project number SW3170503 on all correspondence. If you have any questions concerning this matter please feel free to contact me at Robert.Pattersongncdenr.gov or (919) 807-6369. Sincerely, Robert D. Patterson, PE Stormwater Engineer Stormwater Permitting Program ec: Mooresville Regional Office Sue Homewood — DWR 401 & Buffer Permitting Program Landon Wyatt, III — CK Afton Ridge Land, LLC Nothing Compares --,-,,- State of North Carolina Environmental Quality Energy, Mineral and land Resources 512N. Salisbury Street 1612 Mail Service Center Raleigh, North Carolina 27699-1612 919 707 9200