AddInfoRequest3

Energy, Mineral &
Land Resources
ENVIRONMENTAL OUALITY
June 26, 2017
Mr. Robert Cash, PE
Cardno
9800 Southern Pine Blvd., Ste. I
Charlotte, NC 28273
Subject: Request for Additional Information #3
Stormwater Permit No. SW3170304
Addington Crossing Subdivision
Union County
Dear Mr. Cash:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
TRACY DAVIS
Director
The Division of Energy, Mineral and Land Resources (DEMLR), received additional
information for the Stormwater Management Permit Application for the subject project on May
31 and June 23, 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:
1. Provide the missing signed and sealed cover page for the supplement form.
2. Provide the missing signed and notarized cover page for the O&M agreement to show the
revision from dry basins to bioretention cells.
3. Revise the DA sizes in part IV.10 on SWU-101 to be consistent with the calculations.
4. Provide a soils report that shows the SHWT elevations at each SCM per bioretention
MDC 1.
5. Revise C-509-512 to specify "washed" stone for around the underdrains.
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 July 26, 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
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

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 SW3170304 on all correspondence. If you
have any questions concerning this matter please feel free to contact me at
Robert.Patterson(cncdenr.gov or [phone].
ec: Mooresville Regional Office
Brian Johnson — CalAtlantic
Sincerely,
Robert D. Patterson, PE
Environmental Engineer
Stormwater Program
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