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HomeMy WebLinkAboutaddinfo2Energy, Mineral & Land R esources E NV IRON ME N TA L Q UA LITY Mr. Justin C. Church, PE BREC, PA 126 Executive Dr., Ste. 220 Wilkesboro, NC 28697 April 16, 2018 Subject: Request for Additional Information #2 Stormwater Permit No. SW3171203 Makson Warehouse & Office - Salisbury Rowan County Dear Mr. Church: ROY COOPER Governor MICHAEL S. R€GAN Secretary WILLIAM E. (TOBY) VINSON. JR. lnscirou Duv(lor The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater Management Permit Application for the subject project on December 19, 2017; and additional information received on April 5, 2018. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. Provide the original signed O&M agreement. Only a photocopy was submitted. 2. Provide on the plans a SCM access and maintenance easement to the public r/w for both SCMs. [15A NCAC 02H .1050(9)] 3. Provide supporting calculations for the WQv, drawdown times, and rip rap aprons. 4. Provide calculations to demonstrate that the swales are non-erosive for the 10 -yr storm. [15A NCAC 02H.1050(4)] 5. Revise the HRT calcs for both ponds; Vmp provided should be based on the volume at the PPE. 6. Provide cross-sections for both ponds. [15A NCAC 02H .1042(2)(h)] 7. Provide pdfs of all revisions, 2 hardcopies of revised plan sheets, and 1 hardcopy of other documents. Pdfs must be uploaded using the form at: https://edocs.deg.nc.gov/Forms/SW Project Submittal 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 April 31, 2018, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. Please reference the State assigned project number SW3171203 on all correspondence. State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources 512 N. Salisbury Street 1 1612 Maii Service Center I Raleigh, Nort hCaroiina27699-1612 919 707 9200 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. If you have any questions concerning this matter please feel free to contact me at Robert.Patterson@ncdenr.gov or (919) 807-6369. Sincerely, Robert D. Patterson, PE Environmental Engineer Stormwater Program ec: Mooresville Regional Office William Eller—Makson, Inc. State of North Carolina I Environmental Quality I Energy. Mineral and Land Resources 512 N. Salisbury Street 1 1612 MaiI Service Center I Raleigh. North Carolina 27699-1612 919 707 9200