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HomeMy WebLinkAboutSW3200702_Add Info Request_20200804ROY COOPER Governor MICHAEL S. REGAN Secretary BRIAN WRENN Acting Director Jonathan A. Carter, PE Bluestone Land Management, PLLC 470 N. Broad Street, Suite A Mooresville, NC 28115 NORTH CAROLINA Environmental Quality August 4, 2020 Subject: Request for Additional Information Stormwater Permit No. SW3200702 316 South Main Street Townhomes Rowan County Dear Mr. Carter: The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater Management Permit Application for the subject project on July 20, 2020. A review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. In Part III.4 of the SWU-101 application, please add the information for the local jurisdiction for building permits. 2. Documentation from the NC Secretary of State or other official documentation showing the title and position held by the person who signed the application is required [I 5A NCAC 02H .1042(2)(b)(ii)]. Because the individual who signed the application is not listed on the Secretary of State's website, other documentation is required to show that they have the authority to apply for the permit on behalf of the LLC. This can be in the form of a letter signed by the registered agent or other official documentation from the LLC. 3. Please upload the following electronic documents: a. Supporting calculations showing that the sand filter is designed to meet the MDC [15A NCAC 02H .1042(2)(f)]. b. A soils report showing that the separation between the bottom of the sand filter and the seasonal high water table is at least one foot [15A NCAC 02H .1056(1)]. c. A copy of the signed and notarized operation and maintenance agreement [15A NCAC 02H .10420)]. d. A copy of the signed and notarized deed restriction form [15A NCAC 02H .1042(k)]. e. A copy of the property deed. D E Qbi�� North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources 512 North Salisbury Street 1 1612 Mail Service Center I Raleigh, North Carolina 27699-1612 vOry rN Cx:40:.itiA � o .—Io E�.w��,�.���a�:r� /� 919.707.9200 4. Please complete the sand filter summary page of the Supplement EZ form. 5. The Supplement EZ form states that the vegetated setback is 15 feet. The required vegetated setback from all water bodies is a minimum of 30 feet [I 5A NCAC 02H .1017(10)]. 6. The Supplement EZ form lists the calculation method as HydroCAD. The calculation method should be either the NRCS method or the Simple Method as required by Part B of the Stormwater Design Manual. 7. The stormwater narrative does not address the stormwater requirements, calculation methodology, or stormwater treatment design. Please revise the narrative to provide information regarding the stormwater management design. 8. Please delineate all onsite wetlands or add a note to the plans stating that none exist on site [15A NCAC 02H .1042(g)(iii)]. 9. The maintenance access and stormwater easement must extend to the nearest public right of way [ 15A NCAC 02H .1050(8) & (9)]. Please revise the maintenance access and easement to meet this requirement. 10. The sand filter detail should specify that the sand media shall meet ASTM C33 or the equivalent [15A NCAC 02H .1056(6)]. 11. 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:Hedocs.deq.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 September 3, 2020, 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 SW3200702 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.Anenkncdenr.gov or (919) 707-3649. Please note that due to the ongoing Covid-19 pandemic, I will be teleworking and will be most easily reached by email. Sincerely, Corey Anen Environmental Engineer Stormwater Program cc: Mooresville Regional Office