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HomeMy WebLinkAbout20061804 Ver 21_Stormwater Approval_20170823ROY COOPER Governor o; MICHAEL S. REGAN Seererary S. JAY ZIMMERMAN Director Water Resources Environmental Quality August 23, 2017 D W R # 06-1804 v21 Johnston County Ms. Rebecca Flowers DWF Development 4880 NC Hwy 42 East Clayton NC 27527 Subject: APPROVAL OF STORMWATER MANAGEMENT PLAN E. Neuse Parkway Extension Phase III at Flowers Plantation Dear Ms. Flowers: The Division of Water Resources (Division) recently reviewed the proposed stormwater management plan (SMP) for the subject project as required by Individual 401 Water Quality Certification #3766 issued by the Division on March 15, 2010. Submittal of the SMP satisfies Condition No. 9 of the 401 Certification for this Phase of the project and is subject to the requirements below. 1. The Division approves the SMP consisting of one (1) bioretention cell and all associated stormwater conveyances, inlet and outlet structures, and grading and drainage patterns depicted on plan sheets dated September 1, 2016 which are incorporated by reference and are enforceable by the Division. The following conditions also apply [15A NCAC 02H .0506(b)(5)]: a. The maximum allowable drainage area for the approved bioretention cell shall be 81893 square feet and the maximum allowable built -upon area within that drainage area shall be 11700 square feet. Any changes to these maximum areas shall require the applicant to submit and receive approval for a revised stormwater management plan by the Division. [15A NCAC 02H.0506(b)(5)] b. The footprint of all stormwater management devices as well as an additional 30 -foot wide area on all sides of the devices shall be located in either: public rights-of-way; dedicated common areas; or recorded easement areas. The final plats for the project showing all such rights-of-way, common areas and easement areas shall be in accordance with the approved plans. [15A NCAC 02H .0506(b)(5)j c. The approved SMP shall be constructed and operational before any permanent building or other structure is occupied at the site. [15A NCAC 02H .0506(b)(5)] State of North Carolina I Environmental Quality 450 W. Hanes Mill Road, Suite 300, Winston-Salem, North Carolina 27105 Phone: 336-776-98001 FAX: 336-776-9797 DWR k 06-1804 v21 SMP Approval Page 2 of 2 d. The SMP may not be modified without prior written authorization from the Division. [15A NCAC 02H .0506(b)(5)] e. Maintenance activities for the wet detention basin shall be performed in accordance with the notarized O&M agreement signed by Jordan Flowers Finch on August 4, 2017. The 0&M agreement shall transfer with the sale of the land or transfer of ownership/responsibility for the SCM. The Division shall be notified promptly of every transfer. [15A NCAC 02H .0506(b)(5)] f. The applicant and/or authorized agent shall provide a completed Certificate of Completion form to the Division within thirty (30) days of project completion (available at https:Hedocs.deq.nc.gov/Forms/Certificate-of-Completion). [15A NCAC 02H .05O6(b)(5)] Please contact Sue Homewood at 336-776-9693 or sue.homewoodPncdenr.gov if you have any questions or concerns. Sincerely, • 4► '�' G Karen Higgins, Supervisor 401 & Buffer Permitting Branch cc: DWR 401 & Buffer Permitting Branch File Jeff Carter, Stocks Engineering, P.A. (via email) DWR RRO Filename: 061804v21E.NeusePkwyExtPhl II FlowersPla ntation(Johnston)_SM P_approval