20050732 Ver 29_Approval Letter_20140905

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NCDENR
North Carolina Department of Environment and NatUral Resources
September 5, 2014
Mr. Bill Mumford, Assistant Vice President
NNP - Briar Chapel LLC
16 Windy Knoll Circle
Chapel Hill, NC 27516
Subject Property: Briar Chapel, Phase 11
APPROVAL OF STORMWATER PLAN
Dear Mr. Mumford:
John E. akvarla, III
Secretary
DWQ Project # 05- 0732v29
Chatham County
On January 11, 2008, the Division of Water Quality (DWQ) issued a revised 401 Water Quality Certification
to temporarily impact 339 linear feet of stream and 0.157 acre of 404 wetlands and to permanently impact
1,666 linear feet of stream and 0.159 acre of 404 wetland in order to construct the Briar Chapel Subdivision
in Chatham County.
In order to meet Condition 10 of the 401 Certification for this project, a stormwater management plan
(SMP) for Phase 11 of Briar Chapel, dated June 30, 2014, was received on July 8, 2014.
This approval is for the purpose and design that you described in your application. If you change your
project, you must notify us and you may be required to send us a new SMP. This approval requires to you
follow the conditions listed in the General Water Quality Certification for the project and the following
additional conditions listed below:
1. The SMP approved by the DWQ consists of one (1) wet detention pond and all associated
stormwater conveyances, inlet and outlet structures, and the grading and drainage patterns
depicted on plan sheets dated June 27, 2014. The plans and specifications for Phase 11 approved
by DWR are incorporated by reference into this approval and are enforceable by DWR provided
however that any modification of the design for the stormwater management system that is
accepted by DWR shall take precedence over the original plans and specifications.
2. The maximum allowable drainage area for the approved wet detention pond shall be 1,446,191
square feet and the maximum allowable built -upon area shall be 965,075 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 DWR.
Division of Water Resources - 401 & Buffer Permitting Unit
1617 Mail Service Center, Raleigh, North Carolina 27699 -1617
Location: 512 N. Salisbury St, Raleigh, North Carolina 27604
Phone: 919 - 807 -63001 FAX: 919 - 807 -6494
Internet: www.ncwaterquality.org
An Equal Opportunity 1 Affirmative Action Employer - Made in part by recycled paper

3. The footprint of all stormwater management devices as well as an additional 10 -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.
4. Maintenance activities for the wet detention pond shall be performed in accordance with the
notarized O &M agreements signed by Laurie Ford (Vice President, Operations) on July 3, 2014. The
O &M agreement must transfer with the sale of the land or transfer of ownership /responsibility for
the BMP facility. DWR must be notified promptly of every transfer.
5. The applicant and /or authorized agent shall provide a completed Certificate of Completion form to
the DWR within thirty (30) days of project completion (available at
cep s Dqp -. mits./ 1 p c?rYrms ).
Thank you for your attention to this matter. if you have any questions or wish to discuss these matters
further, please do not hesitate to contact Boyd DeVane at (919) 807 -6373.
Sincerely,
. Y
Karen Higgins, Supervisor
` 401 & Buffer Permitting Unit
KAH /jab
Cc: USACE Raleigh Regulatory Field Office
DWR RRO files
Chatham County Public Works Dept., P.O. Box 1550, Pittsboro, NC 27312
401 & Buffer Permitting Unit files
Filename: 050732v29BriarChapelPhasell (Chatham)_SW_Mod_Approve.doc