20070374 Ver 1_Application_20070306

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STATE of NORTH CAROLINA
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DEPARTMENT OF TRANSPORTATION ~~`'
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
March 1, 2007
U.S. Army Corps of Engineers
Raleigh Regulatory Field Office ~ P~- ®~
6508 Falls of the Neuse Road, Suite 120 /
Raleigh, NC 27609
Attention: Mr. Eric Alsmeyer, NCDOT Coordinator
Subject: Proposed extension of a structure conveying an unnamed tributary to
Richland Creek on SR 1932 (Wall Road) in Wake County.
The North Carolina Department of Transportation (NCDOT) proposes to extend the
structure and widen the narrow and unsafe shoulder above the inlet (Figures 1 - 3).
Impacts to Waters of the United States
The project crosses a perennial stream, an unnamed tributary to Richland Creek,
[NCDENR-DWQ Index No. 27-21, Best Usage Classification C NSW; HUC 03020201]
(Figure 3) in the Neuse River Basin. The existing structure that conveys the creek is a
concrete pipe. Please note that the roadway shoulder above the inlet is narrow and unsafe
(Photographs 1 and 2). In order to widen the associated roadway shoulder, one joint will
be added to the inlet of the existing structure. Once the joint are set, the associated
roadway shoulder will be rebuilt and the areas surrounding the inlet end will be stabilized
using riprap for armoring. The NCDOT proposes to temporarily dewater the work zone
during the construction. This will involve the temporary placement of sandbags in the
creek upstream of construction. Once the stream has been dewatered, the pipe will be
extended. Permanent impacts at the site involve a total of 4 feet of surface water fill and
10 feet of rip rap placed along the streambanks to protect the pipe end. Concurrent
temporary impacts to the stream from this activity will result in the dewatering of 14 linear
feet of stream. The work zone will be dewatered for approximately 2 days. All materials
used for dewatering will be removed after construction.
Riparian Buffer
Construction at this site involves a road crossing of a stream that is subject to
the Neuse River Riparian Buffer Rules. The UT to Richland Creek at Site 1 is depicted
on the most recent version of the Grissom (USGS 1978/1937) topographic quadrangle
(Figure 1) as well as the Soil Survey of Wake County (USDA-SCS 1970) (Figure 2).
Construction impacts at this site total 840 ft` in Zone 1 and 558 ft' in Zone 2 (totaling
Division 5, 2612 N. Duke Street, Durham, NC 27704
Phone: [phone] Fax: [phone]

3
NCDWQ as Section 401 Water Quality Certification (WQC) No. 3494 and No. 3366 will
be utilized for construction of this project. The NCDOT will comply with all applicable
NWP and WQC conditions. Apre-construction notification is attached with this request.
If you have any questions or need additional information, please contact Ms. Heather
- Montague at [phone].
Sincerely,
(ill ~ >~~
J.W. Bowman, P.E.
Division Engineer
cc: Mr. Rob Ridings, NCDWQ Transportation Permitting Unit
Mr. Battle Whitley, P.E., NCDOT District 1 Engineer
Mr. Jason Holmes, NCDOT Wake County Maintenance Engineer
Mr. Donald Pearson, NCDOT Roadside Environmental Field Ops

Photograph 1. View looking upstream
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Photograph 2.
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SR 1932 (Wall Road) - Wake County

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Office Use Only: Form Version March OS
2 0 0 7 0 3 7 4
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ® Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NWP 3 and NWP 33
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here:
4. If pa}nnent into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here: ^
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Manage)nent Area of
Environmental Concern (see the top of page 2 for further details), check here: ^
II. Applicant Information
Owner/Applicant Information
Name: NCDOT Division 5 J.W. Bowman
Mailing Address: 2612 N. Duke St. Durham NC 27704
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: wbowman(c~,dot.state.nc.us
2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name:
Company Affiliation:
Mailing Address:
Telephone Number:
E-mail Address:
Fax Number:
Page 1 of 8

10. Describe the overall project in detail, including the type of equipment to be used: NCDOT
will extend the existing pipe in order to widen the narrow and unsafe shoulder above the
_ inlet. Also rip rap armoring will be added to stabilize the stream banks and shoulder fill
section above the inlet. No alterations are pro osed to the outlet of this pipe. The NCDOT
will also use sandbags in the stream upstream of construction to dewater the work zone.
Equipment may include excavator, backhoe, bulldozer, grader, and crane.
11. Explain the purpose of the proposed work: NCDOT will extend the existing pipe in order to
widen the narrow and unsafe shoulder above the inlet.
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USAGE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules. N/A
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs maybe included at the applicant's discretion. If this proposed impact is strictly for
wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
Provide a written description of the proposed impacts: A total of 4 ft of surface water fill will
result from adding one 'oil nt of pie to the inlet end. Additionally 10 ft of rip rap armoring will
be added to the inlet of the structure. Also 14 ft of concurrent dewatering is proposed.
Page 3 of 8

6. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ®No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USAGE.
7. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. -Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): N/A
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): N/A
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. All wetlands and surface
waters not affected by construction will be protected from unnecessary encroachment during
construction. Strict enforcement of Best Management Practices for the protection of wetlands
and surface waters will be enforced during construction. Only the smallest amount of till
necessar~to complete the project will be placed in waters of the United States.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USAGE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and .type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
Page 5 of 8

3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ® No ^
2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers.
If buffer mitigation is required calculate the required amount of mitigation by applying the
buffer multipliers.
Site 1
Z.one* Impact
(square feet) Multiplier Required
Mitigation
I 840 3 (2 for Catawba) N/A
2 558 1.5 N/A
Total 1,398 N/A
* Zone I extends out 30 teet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional ZO tcct ti-om the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 1 SA NCAC 2B .0242 or .0244, or .0260. N/A
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20°/0, please provide calculations
demonstrating total proposed impervious level. No additional impervious surface is proposed
with this maintenance nroiect. Erosion and sediment control devices at this site are comprised of
temporary dewaterin ag_ nd rip rap armoring.
Page 7 of 8