20110044 Ver 1_Certified Return Receipt_20110314

N CDENR
North Carolina Department of Environment arid Natural Resources
Division of Water Qualitj
Eeverly Eaves =erdue CColeen H. Sullins Dee Freeman
(;r.varnnr rriiractnr ecr2tafy
March 14, 2011
CERTIFIED MAIL 7009 2250 0004 3265 6612
RETURN RECEIPT REQUESTED
Mike Summers, Project Manager
NCDOT, Bridge Management
1565 Mail Service Center
Raleigh, NC 27699-1565
SUBJECT: Proposed Replacement of Bridge No. 139 over Beaverdam Creek on SR 1314 (Artee Road)
in Cleveland County, TIP No. B-1135, DWQ #11-0044
Dear Mr. Summers:
The Division of Water Quality (DWQ) has reviewed your resubmittal for a 401 Water Quality Certification for
the aforementioned project, received February 24, 2011. Review of your resubmittal, revealed it continues to
be lacking the necessary information required for making an informed permit decision. The permit application
remains deficient in the following areas:
The application states that the stream width is between 30 feet.and 32 feet. Based on a site visit, it
appears that the stream width is approximately 10 feet. Please clarify.
The application indicates that a 14' x 10' double box culvert will be installed in the stream. Based on the
width of the stream (approximately 10 feet), the installation of the culvert will overwiden the stream by more
than double the stream width. The profile drawing depicts what may be a "sill" in one of the culvert barrels,
however, it is not labeled as such. Floodplain benches currently exist along the right bank of the stream,
both upstream and downstream of the bridge. DWQ will require the construction of floodplain benches on
one of the culverts in order to maintain the existing stream dimension. Please provide drawings depicting
the construction of floodplain benches on both the inlet and outlet of the proposed structure. Additionally,
the benches must be constructed of materials that will not migrate downstream during large rain events.
DWQ recommends the use of shot rock or large Class II riprap on the waterward face of the floodplain
bench to provide stability and the use of coir fiber matting on the top of the bench to stabilize the material
used for bench construction.
• The resubmittal requests 145 feet of permanent strearn impact with no temporary impacts. The original
application (received January 10, 2011) requested 55 feet of permanent impact and 43 feet of temporary
impact (causeway fill). Please clarify what the 145 feet of permanent stream impact includes (i.e., culvert,
bank stabilization) and whether or not there will be temporary impacts associated with this project.
j Please provide the slope on the proposed culverts.
I'
Mooresville Regional office
Location: 610 East Center Ave., Suite 301 Mooresville. NC 28115 One
Phone: [phone] Fax: [phone] Customer Service: 1-877-623-6745 iVOrt.hC£lI0 )1118
Intemxu: hupalportal.ncdenr,omlweblwa rolina
An Equal Ooportun ty l A-rma6ve Acllon Employer -50%Recydee110% Post Consumer paper Ya ???--l7/
I '
Mr. Mike Summers
Page Two
The plans depict Class I riprap bank stabilization both upstream and downstream of the proposed culverts.
If riprap bank stabilization is proposed it must be included in the application as an additicnai impact.
• Grass swales are depicted on the plans. Please provide information and/or a drawing depicting how the
grass swales will tie into the stream (i.e., will riprap be used at the stream tie in?)
Therefore, this permit application will remain on hold until we are supplied with the necessary information.
You have 21 days to respond in writing with the requested information or notification to this office that the
information is forthcoming. If, at the end of the 21 days, this office has not received this information in writing,
we will assume you are withdrawing your application and it will be returned.
Furthermore, until the information is received by the NC Division of Water Quality, we request, by copy of this
letter, that the US Army Corps of Engineers place the permit application on hold.
If you have any questions or require additional information, please contact Polly Lespinasse at [phone]
Sincerely,
1 -11 1/6-
forColeen H. Sullins
Director
cc: Liz Hair, US Army Corps of Engineers, Asheville Field Office
Trish Simon, DEC, NCDOT Division 12
Sonia Carrillo, NCDWQ Central Office
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