20070566 Ver 2_More Info Letter_20071026

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October 26, 2007
EXPRESS REVIEW NOTIFICATION LETTER
Weisgerber Group
Attn: Mr. Rick Grote
1426 Wall Road
Wake Forest, NC 27587
Project Name: Norwood Bluffs Subdivision
Dear Mr. Grote:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
Wake County
EXP# 07-0566v2
On October 24, 2007, the Express Review Program of the Division of Water Quality (DWQ) received your
application for the above referenced project. The DWQ has determined that your application will require additional
information. Please provide the following information so that we may continue to review your project and
prevent denial of your application as required by 15A NCAC 2H .0506:
Diffuse Flow Provisions:
a. The proposed level spreader locations are too steep for level spreaders. Please redesign your BMPs to
achieve a 30% removal of nitrogen or relocate BMPs where level spreaders are more suitable. Make
sure to include BMP supplement sheets along with all items in the corresponding required items
checklist.
b. Please be advised that per Water Quality Certification GC 3631, developments within watersheds
classified as Nutrients Sensitive Waters (NSW) shall require one of the following BMPs:
i. Extended detention wetlands,
ii. Bioretention cells, or
iii. Ponds followed by forested filter strips
c. Please be advised that Stormwater BMPs (such as detention ponds) shall be designed to avoid `short
circuiting' of flow when inflow and outflow structures are located closely in the BMP. The distance
between the inflow and outflow should be maximized.
Detail design, installation, and maintenance requirements of all BMPs can be found at:
http://h2o.enr.state.nc.us/su/bmp forms.htm
2. Riparian Buffer Mitigation: ,
a. Impacts to Zone 2 of the Riparian buffer for the purpose of constructing stormwater BMPs must be
mitigated for. Please consider redesigi}ng,~MPs such that Zone 2 is not impacted or provide Buffer
mitigation at a rate of 1.5:1.
3. Developable Lots:
a. Platted parcels must be developable without further impacts to jurisdictional and non jurisdictional
wetlands, streams, water features, and State regulated buffers. Lot 4 is not developable without
further impacts to streams, wetlands, and buffers. Please redesign (include additional impacts,
combine lots 3 and 4, etc.).
401 Oversight /Express Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] FAX [phone] Internet: httn://h2o.enr.state.nc.us/ncwetlands
N~°ifihCarolina
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An Equal OpportunitylAffirmative Action Employer- 50% Recycled/10% Post Consumer Paper

Please respond within five (5) days of the date of this letter by sending three (3) copies of this information. The
Express Review Program is a process that requires all parties to participate in a timely manner.
This letter only addresses the application review and does not authorize any impacts to wetlands, waters or protected
buffers. Please contact Lia Myott at [phone] or Joseph Gyamfi at [phone] if you have any questions.
,; ~ .
Sincerely,
Cyndi Karoly, Supervisor
401/Express Review Oversite Unit
CBK/lem
cc: Lauren Witherspoon, DWQ Raleigh Regional Office
DLR Raleigh Regional Office
USAGE Raleigh Field Office
Betsy Pierce, Wake County Environmental Services, 337 S. Salisbury St., Raleigh, NC 27601
Central Files
File copy
Mr. Todd Preuninger, Withers and Ravenel, 111 MacKenan Drive, Cary, NC 27511