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HomeMy WebLinkAboutSW6190202_Add Info_20191303ROY COOPER Governor MICHAEL S. REGAN Secretary S. DAN]EL SMITH Interim Director Mr. C. Tyrus Clayton, Jr. PE Draper Aden Associates 930 Main Campus Dr. Suite 151 Raleigh, NC 27606 NORTH CAROLINA £nvironmentaI Qua[ity March 13, 2019 Subject: Request for Additional Information Stormwater Permit No. SW6190202 Full Gospel Tabernacle Church Harnett County Dear Mr. Clayton: The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater Management Permit Application for the subject project on February 19, 2019. A review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. The drainage area and impervious area used in the calculations and shown in the Supplement EZ form are different from those in the application. Please correct the discrepancy. 2. The average depth of the wet pond should be calculated using Equation 2 or 3 in the Wet Pond Chapter of the Stormwater Design Manual. 3. Please provide a cross -sectional detail of the wet pond and details for any outlets or overflows from the wet pond. 4. Please provide a landscaping plan or detail for the vegetated shelf that meets the requirements in Wet Pond MDC 11. 5. The drain time must be calculated using the runoff volume from the 1" storm, not the maximum storage volume in the wet pond. 6. In accordance with Wet Pond MDC 5, the volume of the forebay must be between 15 and 20% of the volume of the main pool. QNorth Carolina Department of Environmental Quality f Division of Energy, Mineral and Land Resources E512 North Salisbury Street 1 1612 Mat] Service Center Raleigh, North Carolina 27699-1612 NORTH Gi�C.'LIhT � oevem aMorem�RR�m,lms� r 919.707.9200 7. In accordance with General MDC 4, engineering calculations must be provided to show that the inlets and outlets of SCMs are designed so that they do not cause erosion during the 10-year storm. 8. 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: hqps:Hedocs.deg.nc.gov/Forins/SW ProjectSubmittal 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 12, 2019, 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 SW6190202 on all correspondence. 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 Corey.Anen&ncdenr.gov or (919) 707-3649. Sincerely, C*t� a, — Corey Anen Environmental Engineer Stormwater Program cc: Fayetteville Regional Office