20070641 Ver 1_More Info Letter_20070511

~OF W ATF9Q Michael F. Easley, Governor
,1~ G William G. Ross Jr., Secretary
~ tT'-- North Carolina Department of Environment and Natural Resources
~ ~
~ .C Alan W. Klimek, P.E. Director
Division of Water Quality
May 11, 2007
DWQ Project # 07-0641
Wake County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Mr. Jeff Akin
Dunhill, LLC
P.O. Box 90783
Raleigh, NC 27675
Subject Property: Dunhill Subdivision
Lower Barton Creek [030401, 27-16-(1), WSIV, NSW]
REQUEST FOR MORE INFORMATION
Dear Mr. Akin:
On April 10, 2007, the Division of Water Quality (DWQ) received your application to impact 1,216
square feet (ft2) of Zone 1 Neuse River basin protected riparian buffers and 1,865 square feet (ftz) of Zone
2 Neuse River basin protected riparian buffers, to construct the proposed residential subdivision. The
DWQ has determined that your application was incomplete and/or provided inaccurate information as
discussed below. The DWQ will require additional information in order to process your application to
impact protected wetlands and/or streams on the subject property. Therefore, unless we receive five
copies of the additional information requested below, we will have to move toward denial of your
application as required by 15A NCAC 2H .0506 and will place this project on hold as incomplete until.we
receive this additional information. Please provide the following information so that we may continue to
review your project.
Additional Information Requested:
1) Please provide the calculations for velocity at the outlet of FES #400 to show that this discharge will
not cause erosion in the wetland (i.e., that it is under 2 fps for the 10-year storm).
2) For the bioretention area, please provide:
a. A DWQ bioretention area worksheet as well as all of the information listed in Part II: Required
Items Checklist.
b. A detail of the underdrain system in plan and section view.
c. Plans and specifications for planting.
d. Soil specifications.
e. A specification for double shredded hardwood mulch rather than pine straw.
f. The correct common name for Myrica cerifera is wax myrtle. Please note this in your planting
plan table.
3.) For the level spreader, please provide:
None Carolina
401 Oversight/Express Review Permitting Unit ~~1~CQt/s'lf
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] /FAX [phone] /Internet: htt~://h2o.enr.state.nc.us/ncwetlands
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper

Dunhill, LLC
Page 2 of 3
May 11, 2007
a. A DWQ level spreader worksheet as well as all of the information listed in Part II: Required
Items Checklist.
b. A plan view drawing that shows the location and size of the forebay as well as the piping from
the flow sputter to the forebay.
c. A plan view drawing that shows that the level spreader will be constructed parallel to contour
lines and that the slopes will be less than six percent. If grading is needed to accomplish this,
please show the appropriate grading lines.
Please contact the DWQ within three weeks of the date of this letter to verify that you have received this
letter and to provide us with a date that we may expect to receive this requested information. If we do not
receive this requested information within one week of the date you indicate it will be forthcoming, your
project will be withdrawn and you will need to reapply with a new application and a new fee. Please
contact me in writing and Lauren Cobb of the DWQ Raleigh Regional Office. If we do not hear from you
within three weeks, we will assume that you no longer want to pursue this project and we will consider
the project as withdrawn.
This letter only addresses the application review and does not authorize any impacts to wetlands, waters
or protected buffers. Please be aware that any impacts requested within your application are not
authorized (at this time) by the DWQ. Please call Ms. Cyndi Karoly or Mr. Ian Mc illan at 919-733-
1786 if you have any questions regarding or would like to set up a meeting to discu~p~lis matter.
~ndi Karoly, Supervisor
1 Oversight/Express Review Permitting Unit
CBK/ijm
cc: Lauren Cobb, DWQ Raleigh Regional Office
USACE Raleigh Regulatory Field Office
File Copy
Central Files
Todd Preuninger, Withers & Ravenel, 111 MacKenan Drive, Cary, NC 27511
Filename: 070641 DunhillSD(Wake)On_Hold