20050732 Ver 48 Briar Chapel - Phase 14 SMP Approval

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
NORTH CAROLINA
Environmental Quality
June 11, 2019
DWR # 2005-0732 v48
Chatham County
Mr. Lee Bowman, Senior Project Manager
NNP Briar Chapel LLC
4020 Westchase Blvd., Suite 150
Raleigh, North Carolina 27607
Subject: APPROVAL OF STORMWATER MANAGEMENT PLAN
Briar Chapel —Phase 14
Dear Mr. Bowman:
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 issued by the Division on February 3, 2017. Submittal of the SMP satisfies the
stormwater condition no. 3 of the 401 certification for this phase of the project and is subject to
the requirements below.
The Division approves the SMP for Briar Chapel — Phase 14 consisting of 2 wet ponds (BMP#45
and #46) including all associated stormwater conveyances, inlet and outlet structures, and grading
and drainage patterns depicted on plan sheets dated May 9, 2019, 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 wet pond #45 shall be 362,057
square feet and the maximum allowable built -upon area within that drainage area shall be
179,051 square feet. The maximum allowable drainage area for the approved wet pond #46
shall be 267,862 and the maximum allowable built -upon area within that drainage area
shall be 134,723 square feet. Any changes to these allowable maximum areas shall require
the applicant to submit and receive approval from the Division prior to any construction or
modification of the current site.
b) The footprint of all stormwater management device(s) as well as an additional 10-foot wide
area on all sides of the device(s) shall be located in either public rights -of -way, dedicated
common areas or recorded easement areas. The final plats for the project showing such
rights -of -way, common areas and easement areas, shall be in accordance with the approved
plans.
D North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
uft�� 919.707,9000

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DWR # 2005-0732 v48
c) The approved SMP shall be constructed and operational before any permanent building or
other structure is occupied at the site.
d) The SMP may not be modified without prior written authorization from the Division.
e) Maintenance activities for stormwater management device(s) shall be performed in
accordance with the notarized O&M agreements signed by Mr. Lee Bowman of NNP Briar
Chapel LLC on April 26, 2019. The O&M agreement shall transfer with the sale of the
land -or transfer of ownership/responsibility for the approved diffuse flow plan. The
Division shall be notified promptly of every transfer.
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 or as soon as possible if
the project has already been completed. This form is made available online at
https://edocs.dcq.nc.gov/Forms/Certificate-of-Completion.
g) Additional SMP(s) for future phases must receive written authorization from the Division
before any land disturbance, construction, or expansion of the new phase(s) may occur.
Please contact Chonticha McDaniel at [phone] or chonticha.mcdaniel ct,ncdenr.gov if you
have any questions or concerns regarding this matter.
Sincerely,
d
n
K n Higgins, Supervisor
401 & Buffer Permitting Branch
cc: Gareth Avant, PE — McKim & Creed, Inc. (via. mail)
DWR, Raleigh Regional Office
DWR 401 & Buffer Permitting Branch File