20110009 Ver 1_More Info Letter_20110323

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H.Sullins Dee Freeman
Governor Director Secretary
March 23,2011
DWQ Project# 11-0009
Durham County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
City of Durham
101 City Hall Plaza
Durham,NC 27701
Subject Property: City of Durham—American Tobacco Trail Phase E
Ut to Gum Creek[030605, 16-41-1-13,WSIV,NSW]
REQUEST FOR MORE INFORMATION
Dear Sir or Madam:
On January 3, 2011,the Division of Water Quality(DWQ)received your application dated November 8,
2010 to fill or otherwise impact 0.05 acres of 404/Wetlands, 136 feet of stream(it is not clear whether this
is a perennial stream or an intermittent stream, and whether impacts are temporary or permanent),and
10,502 square feet of Zone 1 Neuse River basin protected riparian buffer, and 5,819 square feet of Zone 2
Neuse River basin protected riparian buffer to construct the proposed greenway trail at the site. The DWQ
received additional information from you regarding this project on February 25,2011 and March 2,2011,
dated February 23,2011 and March 2, 2011 respectively.
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. Please provide one copy of the additional
information requested below. If we do not receive the requested information,your project will be formally
returned as incomplete. Please provide the following information so that we may continue to review your
project.
Additional Information Requested:
1. Every plan sheet must be signed and sealed. Please provide a complete set of updated plans with
all plan sheets signed and sealed(one copy will be sufficient given the size of this project). Please
provide plan sheets TR-2 through TR-9 with the proposed one-foot topographic contours shown
to provide a clear depiction of the drainage patterns on this project.
2. Please orient the level spreader located at 42+40 LT so that it is parallel with the engineered filter
strip and that the grading for the is uniform across the entire width of the engineered filter strip.
Also,please show the drainage area of this device on the plan sheets.
3. Please ensure that the grading for the engineered filter strip located at 44+70 LT is uniform across
its entire width. As currently proposed,the berms on either side of the filter strip encroach on its
width. Also,please show the drainage area of this device on the plan sheets.
Wetlands,Buffers,Stormwater,Compliance and Permitting Unit(WeBSCaPe)
1650 Mail Service Center,Raleigh,North Carolina 27699-1650
Phone:[phone]\FAX:[phone]
Internet:http://portal.ncdenr.org/web/wq/ws
An Equal Opportunity\Affirmative Action Employer

City of Durham
Page 2 of 2
March 23,2011
4. For the Bioretention Cell,please provide either a copy of the City of Durham's approval letter or
one copy of the approved plans OR a Bioretention Supplement Form with all required items
attached so that the DWQ can review the design. Also,please show the drainage area of this
device on the plan sheets.
5. The 10-foot wide vegetated filter strips that begin at 76+61.27, approximately 79+44, 83+49.31,
and 86+09.12 do not match the details referenced on Sheet DT-17. Please contact Annette Lucas
at(919) 807-6381 to discuss these devices.
6. Please provide calculations for the velocities of all of the ditches at their discharge points.
Please submit this information within 30 calendar days of the date of this letter. If we do not receive this
requested information within 30 calendar days of the date of this letter,your project will be withdrawn
and you will need to reapply with a new application and a new fee.
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. Annette Lucas at 919-807-6381 if you have any questions
regarding or would like to set up a meeting to discuss this matter.
Sincerely,
LV-lt)Hl
Ian McMillan,Acting Supervisor
Wetlands,Buffers, Stormwater, Compliance and
Permitting Unit(WeBSCaPe)
IJMlaml
cc: U.S. Army Corps of Engineers,Raleigh Regulatory Field Office,Wilmington District,USACOE
Lauren Witherspoon,DWQ Raleigh Regional Office
File Copy
Carl Bush,Parsons Brinckerhoff,434 Fayetteville Street, Suite 1500,Raleigh,NC 27601
Filename: 110009CODurhamAmericanTobaccoTrailPhaseE(Durham)On_Hold2

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;,ITY OF DURHAM 3/24/11
101 CITY HALL PLAZA
DURHAM NC 27701
3. Service Type
DWQ 11-0009 DURHAM COUNTY
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DENR - DWQ-WETLANDS 401 UNIT
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