20040233 Ver 1_COMPLETE FILE_20040216

Certification of Com leti 12k -,
FEB 2 5 2005
DWQ Project No.: 04-0233 County: Wake DENR- WATER QUALITY
Applicant: North Carolina State Universi WETLANDS AND S70R1N?+yATER BRANCH
ty
Project Name: North Creek Constructed Stormwater Wetlands Centennial Campus NCSU
Date of Issuance of Isolated Wetland Permit: NA
Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification and Buffer Rules, and any
subsequent modifications, the applicant is required to return this certificate to the 401/Wetlands Unit, North Carolina
Division of Water Quality, 1621 Mail Service Center, Raleigh, NC, 27699-1621. This form may be returned to DWQ by
the applicant, the applicant's authorized agent, or the project engineer. It is not necessary to send certificates from all of
these.
Applicant's Certification
I, Mr. Charles D. Leffler, hereby state that, to the best of my abilities, due care and diligence was used in the
observation of the construction such that the construction was observed to be built within substantial compliance and
intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications, and other
supporting materials.
Signature:
Agent's Certification
I, NA , hereby state that, to the best of my abilities, due care and diligence
was used in the observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications,
and other supporting materials.
Signature:
Date:
If this project was designed by a Certified Professional
I,?? as a duly registered Professional Engineer,
Landscape Architect, Surveyor, etc.) in the State of North Carolina, having been authorized to observe (periodically,
weekly, full time) the construction of the project, for the Permittee hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to be built within
substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and
specifications, and other supporting materials.
Signature: YV 115
Registration No. OZ-Co-4-,,Co Date ? « 0
W ATFgQ Michael F. Lesley, taovernor
William G. Ross Jr., Secretary
?O G North Carolina Department of Environment and Natural Resources
r Alan W. Klimek, P. E. Director
-f Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
March 24, 2004
DWQ Project No. 04-0233
County: Wake
Page 1 of 2
North Carolina State University
Attn: Mr. George Worsley
Vice Chancellor of Business & Finance
B Holladay Hall, Box 7201
Raleigh, NC 27606
Subject Property: North Creek Constructed Stormwater Wetlands, Centennial Campus, NCSU
"North Creek", UT to Lake Raleigh (Walnut Creek) [03-04-02, 27-34-(3.5), B NSW]
APPROVAL of 401 Water Quality Certification and AUTHORIZATION CERTIFICATE per the Neuse River Buffer
Protection Rules (15A NCAC 2B.0233) with ADDITIONAL CONDITIONS
Dear Mr. Worsley:
You have our approval, in accordance with the attached conditions and those listed below, to place fill within or otherwise
impact 15 feet of perennial stream and 9,915 square feet (ft2) of protected riparian buffers for the purpose of constructing
two stormwater wetlands at the subject property, as described within your application dated February 11, 2004 and
received by the N.C. Division of Water Quality (DWQ) on February 16, 2004 including revised plans dated March 3, 2004
and received by the DWQ on March 11, 2004. After reviewing your application, we have decided that the impacts are
covered by General Water Quality Certification Number(s) 3402 (GC3402). The Certification(s) allows you to use
Nationwide Permit(s) 18 when issued by the US Army Corps of Engineers (USACE). This letter shall also act as your
approved Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC 213.0233. In addition, you
should obtain or otherwise comply with any other required federal, state or local permits before you go ahead with your
project including (but not limited to) Erosion and Sediment Control and Non-discharge regulations. Also, this approval will
expire when the accompanying 404 permit expires unless otherwise specified in the General Certification.
This approval is only valid for the. purpose and design that you described in your application. If you change your project,
you must notify us and you may be required to send us a new application. If the property is sold, the new owner must be
given a copy of this Certification and approval letter and is thereby responsible for complying with all conditions. If total
fills for this project (now or in the future) exceed one acre of wetland or 150 linear feet of stream, compensatory mitigation
may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions
listed in the attached certification and any additional conditions listed below.
Conditions:
1. Erosion & Sediment Control Practices
Erosion and sediment control practices must be in full compliance with all specifications governing the proper design,
installation and operation and maintenance of such Best Management Practices in order to protect surface waters
standards:
a. The erosion and sediment control measures for the project must be designed, installed, operated, and
maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control
Planning and Design Manual.
b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be
such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina
Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow
sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits associated with the
project.
North Carolina Division of Water Quality, WETLANDS / 401 UNIT
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands/
NCSU
Page 2of2
March 24, 2004
2. No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the footprint of the
impacts depicted in the Preconstruction Notice Application. All construction activities, including the design, installation,
operation, and maintenance of sediment and erosion control Best Management Practices, shall be performed so that no
violations of state water quality standards, statutes, or rules occur.
3. No Sediment & Erosion Control Measures w/n Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable.
If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed
and the natural grade restored within six months of the date that the Division of Land Resources has released the
project.
4. Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any
subsequent modifications, the applicant is required to return the attached certificate of completion to the 401/Wetlands
Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650.
Violations of any condition herein set forth may result in revocation of this Certification and may result in criminal and/or
civil penalties. This Certification shall become null and void unless the above conditions are made conditions of the
Federal 404 and/or coastal Area Management Act Permit. This Certification shall expire upon expiration of the 404 or
CAMA permit.
If you do not accept any of the conditions of this Certification (associated. with the approved wetland or stream impacts),
you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a
hearing, send a written petition, which conforms to Chapter 1506 of the North Carolina General Statutes to the Office of
Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are final and
binding unless you ask for a hearing.
Any disputes over determinations regarding this Authorization Certificate (associated with the approved buffer impacts)
shall be referred in writing to the Director for a decision. The Director's decision is subject to review as provided in
Articles 3 and 4 of G.S. 150B.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act and the Neuse
riparian buffer protection rule as described within 15A NCAC 2B .0233. If you have any questions, please telephone John
Dorney at 919-733-9646 or Bob Zarzecki at 919-733-9726.
Sincerely,
a
Alan W. Klimek, P.E.,
NC DWQ, Director
Attachments: Certificate of Completion
GC 3402
cc: Gwyn Ann Rowland, NCSU, Campus Box 8007, Raleigh, NC 27695
DWQ Raleigh Regional Office
DLR Raleigh Regional Office
File Copy
Central Office
DWQ # 040233
Date: March 24, 2004
n
bz
NORTH CAROLINA STATE UNIVERSITY
Environmental Health & Public Safety Center
Campus Box 8007
Raleigh, North Carolina 27695
[phone]
Date: March 9, 2004
TRANSMITTAL
WETLANDS
4
Copy NEAR 1 1 2004
WATER QUALITY SECTION
To: John R. Dorney
401 Water Quality Certification Program
733-1786
From: Gwyn Ann Rowland
NCSU Environmental Affairs
515-4030
RE: North Creek Constructed Wetlands
F-I
We Transmit: Attached Under Separate Cover
The Following:
?
As Requested
No, of Copies Description
Seven (7) Response Letter
Seven (7) Revised Wetland #I Map & Revised Wetland #2 Map
Seven 7 11 x 17 Map indicating proposed stream restoration alignment

¦ ? ?
For Your: Approval Review & Comment Records
Remarks:
If your office requires additional information, please don't hesitate to contact me.
Thank you.
Gwyn A n Row d
Received By: Date:
.,,
North Carolina State University is a land- Office of Finance and Business
grant university and a constituent institution Environmental Health and
of The University of North Carolina Public Safety Division
An Equal Opportunity/Affirmative Action Employer
http://www2.ncsu.edu/ncsu/ehs
March 9, 2004
Mr. John R. Dorney
401 Wetland Certification Program
NC Division of Water Quality
1650 Mail Service Center
Raleigh, North Carolina 27699-1650
Re: North Creek Constructed Wetlands Project
DWQ # 04-0233
Mr. Dorney:
Environmental Health and Safety Center
Campus Box 8007
Raleigh, North Carolina 27695-8007
Associate Vice Chancellor 919.515.4238
Environmental Affairs 919.515.6859
Industrial Hygiene 919.515.6860
Health and Safety 919.515.6858
Radiation Protection 919.515.2894
(Fax) 919.515.6307

The following information is provided in response to your letter dated February 23, 2004.
1. Please indicate the location of the protected buffers as overlays on the site plan.
Included are 7 revised copies of Sheet 3 (Wetland 1 Plan View) and Sheet 4 (Wetland 2
Plan View). These sheets reflect a movement of Wetland 2 ten feet farther from the
existing stream top of bank, per your suggestion. The scale of these revised plan sheets is
1"=10', which includes the 50' Neuse Buffer delineation from the current top of bank.
To assist with your review, we have also provided more specific details on the 11x17
attachment (Meuse Buffer Application Attachment). This depicts (1"=20') the 50' Neuse
Buffer, Zone 1 and Zone 2, top of bank surveys on April 2003 and August 2003, and the
approximate location of the top of bank when the stream is narrowed for our upcoming
stream restoration.
2. Wetland #2 is proposed within Zone I of the protected buffer. It appears that this
wetland can be shifted to the west to avoid the Zone I impact. Please relocate the
wetland to avoid the Zone I impact or provide additional justification why it cannot be
relocated. IF the wetland cannot be located out of Zone 1, then relocate it such that it is
not closer than 1 S feet from the stream.
The removal of both wetlands from Zone 1 entirely was considered, but limited by space
and capacity. Wetland 1 is sandwiched laterally between a sewer line and a proposed
greenway, and longitudinally by stormwater pipes and bridge footings. The construction
of Wetland 1 will require the berm to extend a maximum of approximately 7ft
horizontally into Zone 1.
The repositioning of Wetland 2 was limited by the upslope gradient and the need to
preserve a meandering pattern (increased residence time) within the wetland. Wetland 2
was moved ten feet further from the stream (per your request); however, the berm will
extend an average of 10 lateral feet into Zone 1. R-

John Dorney
Page 2
March 9, 2004
In the winter of 2004, NCSU plans to begin a stream restoration project in the reach
where the wetlands are currently proposed. The restoration project will be funded by a
USDA grant. We anticipate a narrowing of the stream from the current (overwidened
and unstable) 25' width to a 10-15 feet width. We anticipate that the boundary for
Wetland 1 (the larger wetland) will be entirely out of Zone 1 when the stream is
narrowed. Additionally, we anticipate that the boundary for Wetland 2 (bottom of berm)
will extend less than 5 horizontal feet into Zone 1. (see Neuse Buffer Application
Attachment).
The table below may help to explain the proportion of each construction activity and
wetland features that will be in the Neuse Buffer zones.
Table X.1: Area Estimates of Neuse Buffer Alterations for Each Construction Activity
and Permanent Wetland Features
Activity or Feature Zone 1 (0'-30')
s ft Zone 2 (301-501)
s ft
Wetland 1
Wetland Berm 932 4014
Outlet Pipe Excavation 90 60
Emergency Spillway 0 73
Wetland 2
Ri ra channel removal 347 291
Wetland Berms and Vegetated Waterways 989 2020
Temporary Stockpile 520 579
Total 2878 7037
In association with both wetlands, extensive vegetation will be added to the berms,
wetland interior, and surrounding upland areas within both zones of the Neuse buffer.
Outlet pipe excavation, stockpiles, and riprap channel removal are temporary activities
associated with the construction, and these areas will be stabilized with seed and mulch
after construction.
It is critical to this project that both wetlands be allowed a small portion within Zone 1 in order to
function properly, maintain their capacity (10-year storm), and provide well-vegetated, low slope
berms for protection from larger storms. We respectfully request written approval from the
Division of Water Quality to proceed with the construction of the wetlands.
If you require additionally information, please don't hesitate to contact me at 513-4030. Thank
you for your cooperation.
Sincerely,
06+qal?_?
Gwyn Ann Rowland
Stormwater Program Manager
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O? W ATk?9 Michael F. Easley, Governor
O d?,c William G.'Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
} =1 Alan Klimek, P.E., Director
Division of Water Quality
T- Coleen H. Sullins, Deputy Director
Division of Water Quality
February 23, 2004
DWQ # 04-0233
Wake County
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
North Carolina State University
Attn: George Worsley, Vice Chancellor of Business & Finance
B Holladay Hall, Box 7201
Raleigh, NC 27606
Subject Property: North Creek
Dear Mr. Worsley:
On February 16, 2004 the Division of Water Quality (DWQ) was notified by receipt of your application regarding
your plan to fill wetlands or waters for the purpose of constructing a stormwater wetland in Wake County.
Approval from DWQ is required to disturb these areas. Please provide 7 copies of the following information and
refer to the DWQ # listed above in your reply. Please show these on maps of suitable scale (for instance 1" = 100
feet) so we can begin to determine your projects' compliance with 15A NCAC 2H .0500.
1. Please indicate the location of the protected buffers as overlays on the site plan.
2. Wetland #2 is proposed within Zone 1 of the protected buffer. It appears that this wetland can be
shifted to the west to avoid the Zone 1 impacts. Please relocate the wetland to avoid the Zone 1
impact or provide additional justification why it can not be relocated. IF the wetland can not be
located out of Zone 1, then relocate it such that it is not closer than 15 feet for the stream.
Please telephone John Dorney at 919-733-9646 if you have any questions or would require copies of our rules or
procedural materials. This project will remain on hold as incomplete in accordance with 15A NCAC 2H.0505(c).
The processing time for this application will begin when this information is received. If we do not hear from you
by writing or by fax at [phone] within three (3) weeks we will assume you no longer want to pursue the
project and will consider it withdrawn.
Program
JRD/bs
cc: Raleigh DWQ Regional Office
Raleigh Corps of Engineers
Central Files
File Copy

".1 FD L
N. C. Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
[phone] (phone), 919-733-6893 (fax), (hM://h2o.enr.state.nc.us/ncwedands)
Customer Service #: 1-877-623-6748
NORTH CAROLINA STATE UNIVERSITY
Environmental Health & Public Safety Center
Campus Box 8007 p P P }.- x
Raleigh, North Carolina 27695 WV 1?
[phone]
Date: February 12, 2004
TRANSMITTAL
040231
?. ?rso
J
To: Mr. Bob Zarzecki From: Gwyn Ann Rowland
401 Wetlands Unit NCSU Environmental Affairs
733-9726 515-4030
RE: North Creek Constructed Stormwater Wetlands
¦ ? ?
We Transmit: Attached Under Separate Cover As Requested
The Followina
No. of Copies Description
SEVEN 7 Pre-Construction Notification Applications
SEVEN (7) Sets of Plans
¦ ? ?
For Your: Approval Review & Comment Records
Remarks:
If you have any questions, please don't hesitate to contact me.
Thank you,
Gwyn Ann
WETLANDS ! 40' 0RNIP
FEB 1 6 2004
WATER t%„; 7 9f eyL w+ t R
Received By: Date:
Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No.
(It any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. 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
2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide Permit #18
Courtesy copy - Completion Report to be sent within 30 days of project completion.
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), 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 Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ?
II. Applicant Information
1. Owner/Applicant Information
Name: George Worsley, Vice Chancellor of Business & Finance
Mailing Address: North Carolina State University
B Holladay Hall, Box 7201
Raleigh, NC 27606
Telephone Number: 919-515-2155 Fax Number: 919-515-5121
E-mail Address: george worsleygncsu.edu
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: N/A
Company Affiliation:
Mailing Address: WFT A nS i Any rgo ip
FEB 9 6 e •t
Telephone Number: Fax Number: WA MR Address:
46.. i. ,
Page 1 of 10
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: See Attached
1. Individually list wetland impacts below: N/A
Wetland Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Located within
100-year Floodplain**
(yes/no) Distance to
Nearest Stream
(linear feet)
Type of Wetland***

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at http://www.fema.jzov.
*** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: none
Total area of wetland impact proposed: none
2. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
Length of
Average Width
Perennial or
(indicate on Type of Impact* Impact Stream Name** of Stream Intermittent?
map)
(linear feet)
Before Impact
(please specify)
1 Tributary Addition 10 UT to Lake Raleigh 25ft Perennial
(North Creek)
2 Pipe Outfall Addition 5 UT to Lake Raleigh 30ft Perennial
(North Creek)

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.usgs.gov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com,
www.mal)quest.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 15
Page 8of16
3. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.) below: N/A
Open Water Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Name of Waterbody
(if applicable) Type of Waterbody
(lake, pond, estuary, sound,
bay, ocean, etc.)

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
4. 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
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.
See Attached
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.
Page 9 of 16
Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No.
(It any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. 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
2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide Permit #7
If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), 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 Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ?
II. Applicant Information
1. Owner/Applicant Information
Name: George Worsley, Vice Chancellor of Business & Finance
Mailing Address: North Carolina State University
B Holladay Hall, Box 7201
Raleiah. NC 27606
Telephone Number: 919-515-2155 Fax Number: 919-515-5121
E-mail Address: george worsleykncsu.edu
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: N/A
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 1 of 10
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local landmarks such
as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and
development plans in relation to surrounding properties. Both the vicinity map and site plan must include
a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities
must be included. If possible, the maps and plans should include the appropriate USGS Topographic
Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps
may be included at the applicant's discretion, so long as the property is clearly defined. For
administrative and distribution purposes, the USACE requires information to be submitted on sheets no
larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-
size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans
are reduced to a small scale such that the final version is illegible, the applicant will be informed that the
project has been placed on hold until decipherable maps are provided.
1. Name of project: North Creek Constructed Stormwater Wetlands
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): 0793522629
4. Location
County: Wake Nearest Town: Raleigh
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers, landmarks, etc.): From Downtown Raleigh, take
Western Blvd west and make a left on Avent Ferry Rd. Turn left onto Varsity Drive
(entrance to Centennial Campus), and a right onto Capability Drive. Turn left onto Campus
Shore Drive to the pond dam, and the site is located about 500ft north. The wetlands will be
located north of the existing instream stormwater management ponds and the east and west
side of North Creek.
5. Site coordinates, if available (UTM or Lat/Long): 78W 40' 52"; 35N 46' 09"
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Property size (acres): Project site is less than 1 acre
7. Nearest body of water(stream/river/sound/ocean/lake):North Creek, tributary to Lake Raleigh
8. River Basin: Neuse
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.ne.us/admin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application
See attached
10. Describe the overall project in detail, including the type of equipment to be used:
See attached
11. Explain the purpose of the proposed work:
See attached
Page 2 of 10
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 USACE
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.
See Attached
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. The applicant must also provide justification
for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed
herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all
streams (intermittent and perennial) must 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 may be 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: See Attached
1. Individually list wetland impacts below: N/A
Wetland Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Located within
100-year Floodplain**
(yes/no) Distance to
Nearest Stream
(linear feet)
Type of Wetland***

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at http://www.fema.izov.
*** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
Page 3 of 10
List the total acreage (estimated) of all existing wetlands on the property: none
Total area of wetland impact proposed: none
2. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
Length of
Average Width
Perennial or
(indicate on Type of Impact* Impact Stream Name** of Stream Intermittent?
map)
(linear feet)
Before Impact
(please specify)
I Tributary Addition 10 UT to Lake Raleigh 25ft Perennial
(North Creek)
2 Pipe Outfall Addition 5 UT to Lake Raleigh
(North Creek) 30ft Perennial

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.usgs.gov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com,
www.mgpguest.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 15
3. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and
any other water of the U.S.) below: N/A
Open Water Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Name of Waterbody
(if applicable) Type of Waterbody
(lake, pond, estuary, sound,
bay, ocean, etc.)

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
4. 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
Size of watershed draining to pond: N/A Expected pond surface area: N/A
Page 4 of 10
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.
See Attached
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.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits,
published in the Federal Register on March 9, 2000, 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 mitigation as proposed. Examples of mitigation that may be
appropriate and practicable include, but are not limited to: reducing the size of the project; establishing
and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and
replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving
similar functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order for
USACE or DWQ to consider the application complete for processing. Any application lacking a required
mitigation plan or NCWRP concurrence shall be placed on hold as incomplete. An applicant may also
choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for
Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/newetlands/strmgide.htmi.
Provide a brief description of the proposed mitigation plan. The description should provide as much
information as possible, including, but not limited to: site location (attach directions and/or map, if
offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed
(restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed
restrictions, conservation easement, etc.), and a description of the current site conditions and proposed
method of construction. Please attach a separate sheet if more space is needed. N/A
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program
(NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at [phone]
to determine availability and to request written approval of mitigation prior to submittal of a PCN.
For additional information regarding the application process for the NCWRP, check the NCWRP
website at http:Hh2o.enr.state.nc.us/wrp/index.htm. If use of the NCWRP is proposed, please check
the appropriate box on page three and provide the following information:
Amount of stream mitigation requested (linear feet): N/A
Amount of buffer mitigation requested (square feet): N/A
Page 5 of 10
Amount of Riparian wetland mitigation requested (acres): N/A
Amount of Non-riparian wetland mitigation requested (acres): N/A
Amount of Coastal wetland mitigation requested (acres): N/A
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state) funds or the use of public (federal/state)
land?
Yes ® No ?
If yes, does the project require preparation of an environmental document pursuant to the requirements of
the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure
whether a NEPA/SEPA document is required, call the SEPA coordinator at [phone] to review
current thresholds for environmental documentation.
Yes ? No
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.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A
NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer
Requirements), or other (please identify )?
Yes ® No ? If you answered "yes", provide the following information:
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.
Zone* Impact
(square feet) Multiplier Required
Mitigation
1 4305 3 N/A
2 5075 1.5 N/A
Total 9380 N/A
* Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of
Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Payment
into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within
15A NCAC 2B .0242 or .0260. N/A
Page 6 of 10
XI. Stormwater (required by DWQ)
Describe impervious acreage (both 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.
No impervious acreage will be added to the site during this project
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater
generated from the proposed project, or available capacity of the subject facility. N/A
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules?
Yes ?No
Is this an after-the-fact permit application?
Yes ?No
XIV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired construction
dates to allow processing time for these permits. However, an applicant may choose to list constraints
associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down
schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or
other issues outside of the applicant's control).

Applicant/
? ~, /-12
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 7 of 10
Pre-Construction Notification Application Form
Attachments
Part III, Question 9: Existing Conditions and General Land Use in the Vicinity of the Project
The site is currently a floodplain to North Creek, partially filled with construction debris from
surrounding development (see attached site photos and topographic map). The topography where the wetlands
will be placed is relatively flat and covered by weedy vegetation. The university has decided this area should be a
natural area and has not installed or maintained formal landscaping in this area for the last 3-4 years. The soil is
unconsolidated sandy clay loam and sandy loam, with an average water table depth of at least 4-ft below ground
surface. City of Raleigh sewer lines run parallel to the stream on the eastern side, and there is a required 15-ft
easement on either side of the lines. Immediately surrounding the proposed wetland sites are numerous university
buildings and parking lots, located upslope to the east and west. Two contiguous in-stream stormwater
management ponds are located to the south just before Campus Shore Drive crossing. North Creek is centered
between the two proposed wetlands, with all grading ending at least 20-ft from the top of bank. The stream banks
are very unstable in this reach, with extensive erosion already occurring at present.
Part III, Question 10: Overall Project Description
Two constructed wetlands will be built on the floodplain of North Creek to serve as a stormwater BMP
retrofit on Centennial Campus, NCSU at the beginning of March 2004 (see attached site photos). Both wetlands
are designed to hold at least the first 1-in of runoff, with a three-day retention time for stormwater. Water levels
in both wetlands will be controlled using a modified flash board riser system, which will help maintain wetland
function as well as make maintenance easier. The purpose of installing the wetlands is to improve water quality
of North Creek and Lake Raleigh downstream through the treatment of stormwater.
The surface area of the wetland located on the eastern floodplain is 11,000 sq. ft., with a watershed area
of approximately 4.9 acres. One stormwater source received by this wetland will come from an existing
stormwater culvert outfall located on the edge of the floodplain that drains the College of Textiles roof and lawn.
This stormwater is currently flowing across the floodplain within an eroding ditch to North Creek. The other
stormwater source for the eastern wetland will come from a stormwater culvert outfall that will be installed to
divert water from existing pipe flowing directly to the stormwater management ponds downstream. The outfall
will drain the area around the Engineering Graduate Research Center.
The wetland on the western floodplain will be 2185 sq ft with a watershed area of about 0.9 acres.
Stormwater derived from the Research II Building parking lot and roof will be diverted to the wetland from an
existing culvert outfall using a vegetated waterway. This stormwater is currently emptying into the stormwater
management ponds downstream through a riprap channel.
To construct both wetlands, the existing ground will be excavated using a backhoe to a depth of about 4-
ft, and the excavated earth will be stockpiled in designated areas surrounded by silt fencing. The movement of the
earth may require the use of dump trucks for moving earth at the furthest ends of the wetlands. The dump trucks,
along with all earth moving equipment, must be brought to the site using designated construction paths with
erosion control measures at the entrances. The wetlands will be surrounded by earthen berms protected with
erosion control matting along the sides facing the stream. The berms are at an adequate height to contain the 25-
yr, 24-hr storm, and will be formed using the stockpiled existing soil. The inner features of the wetland including
shallow water, shallow land, and deep pools will also be contoured using the existing excavated soil. Topsoil will
be added at a minimum depth of 3-in to ensure plant growth within the wetlands.
To maintain wetland conditions in these areas, the wetlands will be sealed using 6-in bentonite clay liners
at the depth of excavation, with a minimum permeability of 0.01 in/hr. The liners will be constructed by
spreading bentonite onto the soil surface, vertically distributing the bentonite into the existing soil using a pug-
mill mixer or other suitable mixing equipment, and then compacting the liners using a backhoe, track hoe, or other
compacting equipment. A soil geotechnical consultant will be required to determine the amount of bentonite to
add, the degree of compaction, and will oversee the installation of the liner. The permeability of the liner will be
tested for quality assurance before construction of inner wetland features begins.
The inlets for both wetlands will have forebays installed, at depths of at least 2.5ft. Stone aprons will be
used at the stormwater culvert outfalls and hauled in using dump trucks. The vegetated waterway inlet will be
Page 8 of 10
reinforced with turf matting to prevent erosion. Deep pools (at least 2.5ft) will also be located just before the
outlet points of both wetlands to help dissipate the energy of the water exiting the wetlands.
The outlets for both wetlands are designed to route the 25-yr, 24-hr storms efficiently, and to cause
minimal disturbance to the stream and floodplain. Both wetlands will release runoff from small storm events (less
than 1-in) through an orifice. The larger wetland on the eastern floodplain will have a weir structure as the
secondary outlet. The water will be captured from the weir and routed to the stream through an underground pipe
that will release the water near the current bottom elevation of the stream. The underground pipe will be a
temporary structure, replaced with a natural channel design element (step-pool channel, vegetated waterway, or
other) after a planned stream restoration project is carried out in the next several years. This larger wetland will
also have an emergency spillway on the lower southern end, where stormwater will pass over a stone-lined
embankment, then through a vegetated channel as diffuse flow to the stormwater management ponds. The
smaller wetland on the western floodplain will also have a weir as the secondary outlet structure. All water
released by the wetland will flow to North Creek through a lined vegetated channel, which will serve as the
principal spillway and emergency spillway. The water will be released at the bottom elevation of North Creek,
with added stone protection at the entrance to the stream. This spillway will also be temporary, and changed
during the future stream restoration project to improve stream bank stability in this reach.
The final phase of wetland construction will be the addition of vegetation within the wetlands and along
the perimeter of the project site. A variety of native wetland species will be placed in specified areas within the
wetland, grasses will be used on berms and vegetated channels, and upland plants including shrubs and trees will
be added surrounding the wetland boundary to further improve the riparian function of the floodplain.
Part III, Question 11: Purpose of the Proposed Work
The purpose of this project is to construct stormwater wetlands in order to improve the water quality
treatment of stormwater, to improve riparian vegetation and habitat along a stream, and to create a wetland
research facility on campus. The wetlands are anticipated to help lower nitrogen, phosphorus, suspended
sediment, organic compounds, and metal concentrations in the stormwater before it reaches North Creek, using
stormwater retention and wetland vegetation. The wetlands will serve as a stormwater BMP retrofit on
Centennial Campus to improve water quality in the surrounding watershed. In association with the wetland
installation, trees, shrubs, and herbaceous wetland and upland species will be planted on the floodplain in order to
enhance the riparian function and aesthetic characteristics of the floodplain. Members of the NCSU Biological
and Agricultural Engineering Department and the Forestry Department will also utilize these wetlands in future
research projects that include water quality monitoring, substrate stability, vegetation proliferation, and
macroinvertebrate-fish interactions.
Part V, Future Project Plans
A stream restoration project is planned for the same reach of North Creek that the stormwater wetlands
border. This project is scheduled to begin in January 2005, and will be a natural channel design addressing the
large in-channel stormwater flows, the instability of the stream channel, and the backwater effects from the
downstream stormwater management ponds. The restoration will integrate the wetlands into the design, and will
not compromise their function or alter their location on the floodplain. Since the stream restoration will be a
complement to the wetlands, providing more floodplain stability, water treatment, and riparian vegetation buffer
area, it is not included in this application.
Part VI, Proposed Impacts to Waters
Impact Site 1 is where the outlet for the smaller wetland on the western floodplain enters North Creek.
An 8ft-wide vegetated channel lined with erosion control matting will enter North Creek at the current bottom
elevation of the stream. The entrance point will be stone-lined (9-12-inch diameter stone) extending into the
stream and along the immediate banks in order to prevent existing stream bank erosion caused by the channel
entrance. This stormwater entrance will replace a large rip-rapped channel that empties downstream into the
stormwater management pond.
Impact Site 2 is where the outlet for the larger wetland on the eastern floodplain enters North Creek. A
12-in corrugated metal pipe will enter North Creek just above the City of Raleigh sewer line (partially exposed in
the stream at this time), which is at the bottom elevation of the stream. Excavation to lay the pipe will include a
maximum 5-ft wide trench entering perpendicular to the existing streambank. Depending on the amount of
Page 9 of 10
stream bank erosion that has occurred by the time of construction, the entry point may be stone lined or not. If the
bank has eroded past the sewer line and the line becomes fully exposed, then the 12-in CMP will extend out over
the sewer line and stone will not be utilized in order to protect the sewer line from damage by the stone. If the
sewer line remains only partially exposed, then a stone apron can be potentially added along the vertical
streambank face without damage to the sewer line. This pipe entrance to the stream is temporary, and will be
replaced with a more stable option in conjunction with a future stream restoration project that will seek to
stabilize the entire reach in this area.
Part VII, Impact Justification
The impacts made during and after construction of the stormwater wetlands are justified based on the
resulting water quality improvements, landscape improvements, and riparian floodplain function improvements
that are anticipated for the project. We expect that nitrogen, phosphorus, metal, organic, and sediment
concentrations will decline significantly between the wetland inlet stormwater pipes and the outlet structures.
These pollutants will be removed or stored by the constructed wetlands instead of flowing directly to North
Creek. The constructed stormwater wetlands will have natural wetland vegetation planted within their
boundaries, and upland trees and shrubs will be planted surrounding the boundaries. These plants will improve
the aesthetic characteristics of the floodplain, replacing the relatively treeless field and low grass diversity
(majority Lespedeza sp.), with native shrubs, trees, and herbaceous species. Converting portions of the floodplain
into stormwater wetlands with riparian vegetation enhancements will also help restore some of the typical
functions of the North Creek floodplain, such as water storage during storms, water retention and energy
dissipation of stormwater flow, and habitat. These functions will be added in a watershed that is being developed
at a rapid pace; therefore, the wetlands will serve many important roles in the landscape and the impacts are
justified.
To address the specific impacts, each site was designed in order to minimize impacts on the surrounding
landscape including floodplain and stream. The impact at Site 1 along North Creek will be minimized by
bringing the vegetated channel into the stream at the lowest channel elevation, and by adding the stone lining to
dissipate flows coming from the wetland. The use of a vegetated channel itself will also control exit velocities at
this location. Equipment will not enter the stream at this location, and all work will be done from the floodplain.
The specific impacts at Site 2 along North Creek will be minimized by using an oversized pipe as the
outlet. The excavation of the pipe will cause the most instability of the streambank; therefore, all excavation will
be done from atop the floodplain and not within the stream, and care will be taken to improve the overall stability
of the bank through compaction of the trench material as it is replaced. This area has experienced 12-ft of lateral
bank erosion over the last year, so any changes to the bank through the addition of the outlet pipe will be minimal
compared to damage from large storm events.
The vegetated channel and pipe outlets for the wetlands are temporary, and will be enhanced during a
stream restoration project scheduled for January 2005. This project will include channel meandering, aggressive
bank stabilization, and other natural channel design techniques to address the flashy erosive stormflows as well as
the backwater effects from the stormwater management ponds downstream. The constructed stormwater wetlands
will become integrated components of the design for North Creek, and further stabilization of the outlets to the
stream will be achieved.
Page 10 of 10

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North Creek Constructed
Stormwater Wetland Areas
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Approximate Location and Size of Stormwater Wetland on the
eastern floodplain of North Creek (Green boundary)
Approximate
Location and Size
of Stormwater
Wetland on the
western floodplain
of North Creek
(Green boundary)
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North Creek Constructed Stormwater
Wetlands, Stream Outfall Locations
Estimated Location of the Stabilized Pipe Outlet into North Creek from the Stormwater
Wetland on the Eastern Floodplain. Note evidence of extreme bank erosion that has
already occurred along the entire reach.

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Estimated Location of the Stabilized Vegetated Channel Outlet into North Creek from the
Stormwater Wetland on the Western Floodplain. This right bank is much more stable
than the above pictured left bank, and channel turf reinforcement will help maintain this.
DWQ# ( J`I OP 33 Date Q S Who Reviewed:
Plan Detail Incomplete
? Please provide a location map for the project.
? Please show all stream impacts including all fill slopes, dissipaters, and bank stabilization on the site plan.
plan.
? Please show all wetland impacts including fill slopes on the site
__-n .ln tea.
? Please indicate proposed lot layout as overlays on the site plan. ?-?
0)0- Please indicate the location of the protected buffers as overlays on the site plan.
? Please locate all isolated or non-isolated wetlands, streams and other waters of the State as overlays on the site plan.
? Please provide cross section details showing the provisions for aquatic life passage.
? Please locate any planned sewer lines on the site plan.
? Please provide the location of any proposed stormwater management practices as required by GC
? Please provide detail for the stormwater management practices as required by GC
? Please specify the percent of project imperviousness area based on the estimated built-out conditions.
? Please indicate all stormwater outfalls on the site plan.
? Please indicate the diffuse flow provision measures on the site plan.
? Please indicate whether or not the proposed impacts already been conducted.
Avoidance and/or Minimization Not Provided
? The labeled as on the plans does not appear to be necessary. Please eliminate the or provide additional
information as to why it is necessary for this project.
? This Office believes that the labeled on the plans as can be moved or reconfigured to avoid the impacts to the
. Please revise the plans to avoid the impacts.
? This Office believes that the labeled on the plans as can be moved or reconfigured to minimize the impacts to the
. Please revise the plans to minimize the impacts.
? The stormwater discharges at the location on the plans labeled will not provide diffuse flow through the buffer because
. Please revise the plans and provide calculations to show that diffuse flow will be achieved through the entire buffer. If it
is not possible to achieve diffuse flow through the entire buffer then it may be necessary to provide stonmwater management
practices that remove nutrients before the stormwater can be discharged through the buffer.
Other
? The application fee was insufficient because over 150 feet of stream and/or over 1 acre of wetland impacts were requested. Please
provide $ . This additional fee must be received before your application can be reviewed.
? Please complete Section(s) on the application.
? Please provide a signed copy of the application.
? Please provide copies of the application, copies of the site plans and other supporting information.
Mitigation
? of compensatory mitigation is required for this project. Please provide a compensatory mitigation plan. The
plan must conform to the requirements in 15 A NCAC 2H.0500 and must be appropriate to the type of impacts proposed.
? Please indicate which 404 Permit the USACE would use to authorize this project.
1
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Complete items 1, 2, and 3. Also compke !? ? c ature
Item 4 if Restricted. Delivery is desired: ? Agent
I Print your name and address on the reverse ? Addresse
so that we can return the card to you. B. Received by (PHnted Name) C. Date of Deliver,
r Attach this.card to the back of the mailpiece,
or on the front if space permits. lJ
D. Is delivery address different from item 1? ? Yes
Article Addressed to: On F?O (Ct If YES, enter delivery address below: ? No
North Carolina State University
B Holladay Hall, Box 7201
Raleigh, NC 27606
DWQ# 04-0233 - Wake
3. Service Type
Al Certified mail ? Express mail
? Registered Return Receipt for Merchandls
?. Insured Mail C.O.D.
4. Restricted Delivery? (Extra Fee) E3 Yes
A(ticie Number
?,lw?nchr fr»m ewrv/ro /nhu111 7002 24
75 4209
orm Augusf 2601. . Domestic Re`tum. ' e c e i p t ` ` " ` ' " a t # 102595.02-M-
UNITED STATES POSTAL
• Sender: Please
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NC DENR Division of Water Quality
Wetlands/401 Certification Unit
2321 Crabtree Boulevard, Suite 250 j
Raleigh, NC 27604
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~ ~ a o `ti " 1 Turf reinforcement Matting shalt be Installed after channel l ~ ~
r ! bed is graded and seeded, L t,00` ~ D ~ ~ M
e t Turf Perman n ~ !
c ment Mattln ~ Permanent Turf Reinforcement Matting shall have a coconut Relnfor e 9 ! fiber matrix within three la ers of of ro lene nettln . ~ Y P YP PY 9 s {N~ l O
~ ~4 , No heavy equipment will be allowed on matting, wU~. I~ 6,00' - ~ 3
~ 'Stone (9'-12' diaro ter) ~ ~ e~
T ~ ~ i g Turf matting shall cover the entire surface area' and ten th ~ • , , ~ l,1 `t of channel, extending past top of bank the specified amount, ~ ~ ~ ~
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I ~ ~ ~ _ ! ~ Turf mattin wiU be secured with stn les In the attern o trl
- 1 1 9 P P _ , ~ nppropriate for 3d slope. Staples will placed within 4' of the ad p DLO U
""1 Ey ! mattln ed es, to reduce mowln concerns, 9 9 9 C~~ 7,
- _ & ~ _ _ _ _ _ Stream contours are not accurate, the placement of 0~ i
~ - _ - ~ contours is only approximate.
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_ _ _ Entr)4, to Stream ,t _ Y , _ Approxlriate EL 264.0' ,
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~ I I DATE:
Y i 'i Existing 24' RCP Culvert 12/05/03
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Stone 6' - 9' t PROJECT:
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Turf reinforcement matting shalt be install is graded and seeded. ~ I ~ .halt be installed after channel bed ~ ~ - ~j 1 j
\ 2.00` I _
Permanent Turf Reinforcement Matting shat matrix within three layers of polypropylene t Mattin shall have a coconut fiber ~ ~ ~ w ' of ro lene ett ~ ~ I
P YP PY n ing , _ ~ M W i ~
No heavy equipment shalt be allowed on mat I ~ i Ti E allowed on matting, t , ~ ~ W
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Turf matting shall cover the entire surfac channel, extending past top of bank the s entire surface area and length of ~ Y ~ H ~
of bank the specified amounts, I I , ~ Z
Turf matting will be secured with staples it Notes appropriate for 3~1 slope, Staples will be I with staples in the pattern I f ~ ' ~ ~ i ~
matting edge to reduce mowing concerns, taples will be placed within 4 of the ~ , I ~ ~g concerns, ~ _ -I .
Turf Matting will cover the forebay 3~1 slope and extend onto the pool bottom at least 2'. The matting shall extend 1' past the top of bank on the sides of the Existing stone channel will be removed and i i ~ ~ ,
vegetated channel. in gther portions of the pro,~ect, Stone r removed and the stone will be used , ~,~ect, Stone will be left at culvert - SHEET
entrance to vegetative waterway, extendin rway, extending at least 3'. ~
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Centennial Campus
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~OURTygRD 3
- Project Desc 'Fx'r;, O t Description:
m
~vo wetlands will be constructed on the North Creek
~ ~''rJ land Two we ~ Su terse 2 floodplain t ~ Starmwater (1. ac) be located Wetland #2 Stormwater ~Netland #1 the College
ain to capture and treat stormwater. These wetlands will DES[GNSD:
ated on Centennial Campus, NCSU between Research II and MDR, WfH, JWP
liege of Textiles. One wetland will be 11,100 sq. ft. with
CHSC%ED:
rshed area of about 4.9 acres. Stormwater received by
0.25 ac a watershed
Watershed Wetland #2 t ) m~ the wetland k~S[gR^'= ~tland will come from an existing outlet that drains the ~?FH
(0.9 ac) (0.05 ac) w ""r`"~~" P College of T that will dr sre~zM~„~a•
of Textiles roof and lawn, and from a diverted outlet DA1~`
ill drain Engineering Graduate Research Center area. The 72~°~~°~
other wetla MAtiAGEM~.?vT ' about 0.9 a FGtiDS wetland will be 2,185 sq. ft. with a watershed area of 50~:
0.9 acres. Stormwater from an existing culvert th a,t NOT j0 SCALE
~ drains the will be div "";~<E~ designed by the Research II parking lot and portions of the building
diverted using a vegetated waterway. This project is XXX
nan r~.av 'd by the Biological and Agricultural Engineering and F,,,B,
Forestry De Center (SWE a USDA Ovat rat °y Departments, as part of the Soil and Water Technology
(SWETC). The project has shared funding from NCSU and ~x
~ water quality grant for North Creek Restoration. ~ea
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--1~--- - ~
TABLE OF CONTENTS w W
~ ~ SHEE 70 1 401 iHEET N0. TITLE w ~
1 TITLE SHEET ~ ~ a
` I 40 1490 2 CONSTRUCTION OVERVIEW PLAN
3 WETLAND i PLAN VIEW a
4 WETLAND 2 PLAN VIEW
5 WETLAND CROSS SECTIONS ~ W
5 ade dve \ I ~ y g~rOyg~ ~ _ 64 es~e 6 ~ GENERAL DETAILS ~ ~ z
7 WETLAND 1 DETAILS (1) W H
1 440 ,fie Blvd 8 WETLAND 1 DETAILS (2) a W
a¢ut CSU
CENTENNIAL 9 WETLAND 2 DETAILS (i) z
~ CAMPUS I~
10 WETLAND 2 DETAILS (2)
1&84 11 VEGETATION PLAN
12 VEGETATION PLAN DETAILS
I 40 13 EXISTING CONDITIONS 1 OF
PROJECT LOCATOR MAP
13
SEE DETAILS ABOVE
_ _

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1 ~ ~ ! ~ ~ / / ! ~ , ~ y l i ' i i ~ i' I Z W MDC, WFH, JWP ~ ~
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~ > > , / / / ~ / ~ I 1 ! ~ ~ j 2 ~ CHECKED: i ~ r ~ ~ i(~ 1 i i tLl
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~ Ex~st~n Wetland ~ I 9 , / , I; r
~ / I t Ve etat~on Area . , ~ / ~ 9 ~ ~r 1 ~ + j , { , r 1 inch = 40 feet
t, ' ~ ~ ~ tit f I I f
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~ DATE:
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` ' ~ ~ ~ 1 inch = 10 feet
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LEGEND ,i 4 ~ !I ~ 4,~ 1,, ~~i e e :f
_ I ~ I I j • ti ours r j I I Exls n Cont ee ee g r, ~ ee ; e a ; , .~..,1 .
I I I ~ r iI I i ~ i ~ ( . f. 1. i , ~t , I f' ~ ' ~ ~ j ~ E ~
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• i i r • ~ • ? I i i i } r ! , I I ~ t J ~ i ; l l i i ~ DESIGNED: 1 ~ 1 , ~ a rw < < 1 ~88.~ , , ; , . . . i
I ~ I i 11 ~ r ! , r ~ ~ ~ i f ~ r 1. r ~ i i,.~.~ i r
Extra olated Contour ~ ~ ~ ~ _ i i p ~ f l~ l , ~ ~ ; ~ F , ~ ~ ~ MDC, WFH, JWP r , ~ i 1 i' i f j
i f , I f; :
Stormwater P~ es P I I I I j, I r . . , , . ; • I . • ~ i 1 ~ r gas - , , ~ , . ~ . ; CHECKED: ,1 i , i i• ,•r•,' ~ i
I ,i ~ ~ ~ ' ! i, I` 1 l l I, ~ ` `t WFH
Sanltar Sewer P, es , r Y P I I ~ I I I, I i r • r ~ ~j ~ ~ I i '1 n,l ; f { 1 1 ! 1 ~ ! ~ ! i
I I ' 1 ~ ~ ~ . ~ ~ 1 . 1 . 1 ,1 i r l i p i i l DATE: i 1
r E u . ~ I ! ele e e an i~ ~ ; ~ r-, an ~ ,
s r ~ ~ • • i . • ~ ~ • r • • ~ i I ~ 1 ~ ~ ~ 12/05/03 ~ ~ f 1 l a / ~ ~ ~ ~ ~
I I ~ i 1 . rloss e~c Ions ~ 1 ~ .1
• . • •I •I ~ I li'1'i~ r 28~ ~ rf .l.' i; ' j ry ~ ~ J ~ SCALE: 1. ~ i ~ o.
I I I e esl n on ours or s II 1 r ~ / ry p. .~.1,., , t . ~ 1 ~i ~ ; 1 i ~ ~ ry .i ~ r of • I
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~ ~ ewe a n a r e s a c I I I ~ I ~ • , 'E r.~88.6/t ~ ~ ~ ryr~/ r, ,
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A _ SEC TIO N B B S ID - ECT N C C
DESIGNED:
_
~~fl.ao _ t^ 1 1 I I I I__I_ I.. I I I I ! ! j i I+ ; + (~-1 I I w _T~.___ _m_..r.~._..._ MDC, WFH, JWP I...i._.,_r_.~....,
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~ ~ I~I, I :II 11 I i it II , r"'"i' r -r "'r--~ - ~ 1 , I ~ I ~ ! ~ ~9~.GU , ~ I I 1 III ~ ~ 2/5/03
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W ~ r
~ m O m w
~ ~ i
tl ra i Pro 'le 6 hole EL 03 2 l h~~ ~ 03.92 Alterations 6 M of EL 03, 2 lter t o s ~ m
~h view 3 To View ~
1 Cross Section View ~ Cross Section View p ~1 H ~C z
~a ~ti ~
Wetland Body G5'-3.0') ti ~ o ~ ~ ~
CD' v 0
off-site Topsoil (6") EL 303~9i EL 30392 O x ~ti~ H
+ + + s + ~ ? ? + ? t + + ? ~ + ? r + + Existing Topsoil (3"+) + • ~ + + r ~ ~ r * + + ~ + + + ~ ~~W x
U H °z 1,25' ~ ~
Bentonite cla liner (4"-6') - - - - - - - - - - - - ' - - ~ ' = Y 1,5 ~ x ~O ~
h h
Existing Soi!
4'Dia x 9'H 81,00' O ~ W~~.
Cevent R2.oo' ~ ~ z 3
Manhole 18"RCP u r ~ ~ 18 RAP 15`'RCP ~ ~
The profile grading sequence is detailed in the Proposed - ~ ~ o
Construction Plan Addenduv, available with the plan z4`RCP Manhole o ~
sheets, CSIo e 6%) ~ Cover o d x P v i
z
EL 298,42 ~ 00' Manhole ~ EL 298,42 EL ~ 8,42 s
z4" z4"RCP (to pe closed)
2,00'
Proposed 24'RCP 24`RCP To
(Slope 6%) . 45,00° Close Off
EL 294,90 . EL c EL 294,92
DESIGNED:
Notes MDC
Both wetland bervs will be covered with turf matting 6 eneral Wetl nd Ber CHECKED:
along sides facing streav and ponds, 4 Cross Section View
WFH
Bern shalt be graded and seeded before turf vatting
installation, , 1,00 DATE:
12/05/03
Turf Reinforcevent Matting shall have a coconut
fiber vatrix within three layers of polypropylene Perr~anent Turf SCALE:
nettin , Reinforcevent Matting 9 1 L_
3 Turf vatting wilt be secured with staples in the NAT TO SCALE
pattern appropriate for 3~1 slope. Staples wil! be EL ~8~ \ EL X89,0'
placed within 4' of the Matting edge to reduce vowing EL. , PROJECT:
--b--1,00 -a- concerns, Variable
XXX
Turf reinforcevent vatting shall cover the entire
outer berv surface and extend 1.0' past top of berv, FILE:
XXX
A
6 'lt ,e ~
i-a-- 6 -10 ~
Plan View d 1 ` ~ Fence Posts (In roan 2) ~ r~ 9
W
~r H W
3,00` (r~axi ur~>
n) ~ a
Notes: W
_ _ _ h
Put silt fence or tree protection fence up to ensure construction entrance is used. ~
. if construction on sites are such that - _ ~
the mud is not removed by vehicle traveling - - ~ / - - ~
~ - ~ ~ ~ ~ - • over the stone, the the tiers of the . • ~ , ~ vehicles must be washed before enterin the _ - =ir - _ - <C
Existing . " No~..5~. Stone. • g . ~ public road.
Roadway ,
- = 1= -I - - ~a
i i - - Excavated Trench. I - - - 4 W x 4 H x Fence W~
. ~ Length
Notes;
W
Silt fence will be placed be placed around stockpile areas and around lower elevation portions of E-+
wetlands, 6 tr i E tranc H
Cross Section View Silt fence shall be vade ~W
ill be rude of filter fabric in a continuous roll, with r~inir~al joints utilized, C} U
Fence posts shall be pl >hali be placed 6' apart when no wire r~esh support is used, and 10' apart when sed.
New construction wire vesh is used
Existing Roadway The wire vesh and fabri and fabric shall be attached to the posts on the upslope side of the fence, -
i SHEET
~ ~ ~ ~ Fabric (8") shall e tend ~1l extend into the trench and then the trench wilt be backfilled and
. P . , . . ~ cov acted, . . , . / r
•
i//\//~//~~/%//% Silt fencing shall be ins OF gall be inspected and repaired immediately after each rainfall event,
//i//i~ ~/ice/i;/i,
Fabric under stone All covponents of the f > of the fence shalt be rer~oved after the upslope stockpile area has
stabilized, and any silt any silt collected shall be spread to existing grade and seeded,

~ a
W~
~o W
,
coon View Cross Section View cuter Berm View C~ ~ ~ ~ ti ~
Cross Se ~ ~ ~
~h ~ ~C a z
~ti ~ ~ o
N ~ ~
2,00' -M- CD' v Spillway O
EL, 291,5 8,0, _ ~ Bern O ~ti~ ~
Splash Stone (9"-12" diaveter) 1,0' S illwa Weir ~ F'' W o ~ P Y EL 291,5 U N z
Concrete Box Protective Crest 45 ~
Blockin x EL 290,5 _ Bo O~ ~ N
Pervanent Turf rV^'
orifice Reinforcer~ent Mattin i 9
5.50' 1.5' O wU
I ~~z
SO' 1.0` , m r 3
4,50 n 3,00' -1- - u 1,00 EL 289,0 :;F~ N O
~ tr 12 Corrugated Flow to Storr~wa e ~rr~water T ~ as
Metal gullet Pip Manager~ent Pond #3 1.00 ;Pond #3 ~ £s ~ as ~
- - -"50"~" Wetland Surface Bentonite Heavy Weight Geotextile Stone DLO z
1,00' Liner 1'S Matting
- - - ~ (Miraf i 500x, US Fabrics EL 287,0` i
Concrete Footer ~ ~ ~
a US200, or equivalent) (8°H x 20°-40 W x 16 L) 7,50' 13,50' S.0' i i
Ternporar Ter~porary Turf
Reinforce Reinf orcer~ent Matting
Notes 14,00' (sloped 3,1)
a Notes Splash box shall be rude of 6 wide
concrete and covered iay concrete blocking Spillway berv wilt be covpacted with earth, with the bentonlte liner extending
on exposed exterior, to EL 290,0,
Inner wetland slope shall be graded and seeded before adding lightweight DESIGNED:
The protective box will be provided by NCSU. geotextile Matting, Pervanent Turf Reinforcevent Matting shaft have a coconut
fiber vatrix within three layers of polypropylene netting, MDC, JWP, ICJ
The outlet pipe shall extend to North Creek,
' xistin tauter wetland slope shall be covered wfth stone and heavyweight vatting entering at EL 284 dust above e g leavin no a s. CHECKED:
' the i e g g p exposed sewer line, The slope of p p
shall be approxivately 2% depending on Stone shall extend 5' past the toe of the slope, and tevporary turf XXX
lOCation of the streav bank at the live Of reinforcevent vatting shall be added past the stone to the periveter of wetland vegetation (see sheet 3, Wetland 1 Plan View),
construction, DATE:
tevporary turf reinforcevent vatting will consist of coconut fiber vatrix 1/08/04
within double polypropylene netting, SCALE•
Geotextile and turf reinforcevent vatting shall be properly tucked into the
ground, with at least 1' overlap on both sides of the spillway,
NOT TO SCALE
10,0' ~
PROJECT:
XXX
FILE:
.land 1 WPir StrurturP and .~n ours
Front View Top View To View P xxx r---
5,00' 4, 00' EL 291' Z9ooo ~
, ~
f-_'
I I I I 1.50' Grifice I l I I I
Concrete Inside Block i I 1 I I I I I I I 1 1 I! I I I
__~---1---~--I- -I---I--T--~--I- ~go.oo ~ ~
Concrete Blocking V I I I l i l l l i i ~ ~ i/ 12' CMP outl pipe 0-__..~ ~
and Mortar ~ 1,00 I I i I _I__i _ I_ I__I 0 ~ ~ below r -~'~1' 9
- - - - - - I I I I I 6,50' Wood Alternative I I f I I r-
I r-- f Interlockin Slats 0,50' I i I I I 1.~---- 9 ~ u1 I j rl
(0,5'H x 1'D x 4'L) _I _ _ I _ I _ I _ _I_ _I_ _ ~ _ ~ _ ~ . _ I_ ~ - ~ V 0 0 0 0 0 ~ _ Iii r~ i f ~ / 1?
- Slash Boxy Interior 3'W x 4'L)-~ I f I I I I I I I I p Wx4L) ~ , ~ ~ ~
2,00 ,Z~l,oo- ~ I I I I I , , , , I I I I I r... ~ D ' 1-y ate Footer ~ 4,00 i
Concrete Footer Wetland CS'H x 2~'-40`W x 16'U i i , _ - W W x 16 U I o o ~ ..___-291.00---~'
Surface I I ! I I I I I I I i i A
~ ~ ----L---l----L---~---- ~ ~ ~ - - ~ ~ _ __a 0,50... - - o L75 / ~0
1,0" ~ ~ r N
1._ ____.~_..-~..._-.~.~.~___-__..__.~_...-_-__-__-__-.___~.__..____--___._______.___-..__J F,.r-""-" 0 0 0 Concrete 0 0 0 0 0 0 0 ~ _ - f~_~__ ~ ~
Notes ~ A c~ r ~ ~ /y
~ rr ' ~ 10,0 1 ~ ~ ,
' ne A110 with ,°291'°°'~ / Concrete Footer Concrete blockin shall be Bricksto g -#4 Rebar / ~ 00 .f-------" ~ ~ ~ 90,00 a
(8'H x 20'-40'W x 16'L) variable lengths (Divensions 4'H x 4'D x 8'-16'L) ~ H ~
and shall cover exposed concrete weir surface, Pr ~ tef \ Pr ~ to tivp B x \ W d}
\ \ ~ ~ i~~ ~ e90 •Op ~
Concrete blocking will be coated with a natural ~O
all ex osed surf aces, ~o~ o' tan cevent stain on p ~ o 2~ p~ ~ i ~ -'1 ~ Q 6~ ~ ~ ~ L
o Zg0,00 ,2
A small PVC i e (Dia 1.75) shall be inserted into P P f/ , ti ~ ~ f ~ \
the orifice hole with an elbow on end pointing
down, 0
All wood alternative weir pieces and vetal Notes;
channeling will be provided by NCSU, 0.5'
Concrete structure structure shall have a 0.5" Metal Channeling
The protective box will be installed on the taller dee x 2.0' wide not i" wide notch along entire ~ SHEET
p weir slat, extending to 1 above the weir crest boundar around we Y around weir slats.
(not shown), This box wilt be screened on botton A 2,~
to prevent orifice pipe obstruction, PVC orifice i e she pP e pipe shall extend 6.0" Weir slats
past the weir on be weir on bath sides and QF
Concrete interior will be reinforced with #4 rebar, M Y , have adown-turnec ' Concrete wn-turned elbow on the
6 frov edge, 12 on center, and 3 frov the top, wetland side, The c de, The down-turn wilt
Vertical rebar will be anchored into the concrete extend at least 3,0 least 3.0" below norr~al
footer, Lateral rebar shall also be included to ter. pool,
improve stability in the wall and foo

a
8 New EGRC Inlet Culvert G 8 New E RC Inlet Culvert W~ r Q+ m
~ Ptan View Cross Section View O ~ w
~ ~ i
2,50' C~ F'' ~ w ti ~ ~ ~
N
3,70' ~70' ~ ~ ~ 3 ~ ~ ~a
2,00' --a- ,t ~ti ti ~ o
N ~ ~
CD' U Notes ~ 2,oa o
~ti~ ~
0,80' Standard flared culvert dimensions are shown, W o U H z
EL 289' ~
Stone shall be underlain by heavyweight geotextile fabric ~ ~ ~O ~ with no gaps in either layer, ~ ~
The geotextile fabric shall be properly tucked in on all ~ ~
3,00` wU~. sides, 1,50 ~ ~ Z 3
Stone (9'-12' Diar~eter) 1~ ~ ~ r~
Stone apron shalt be at the slope specified on the N ~
6,20' ~ Wetland 1 Plan View and extend at least 1` onto the ~ ~ forebay bottom, o ~
6 ~
I ~i ~
3,70` 3 U `~L ANN
N L
Geotextile fabric
(Mirafi 500x, US Fabrics US200, or equivalent) 1,00' 1,00' alent)
~ 4,00'
DESIGNED:
Stone (9'-12' Diar~eter>
MDC Colle of Textiles Inlet Culvert
Plan View
CHECKED:
WFIi
DATE:
13,00' (approx, sloped distance)
1.25' 12/05/03
SCALE:
NOT TO SCALE
PROJECT:
Existing 15' RCP Culvert
(T ical Dir~ensions Shown) XXX YP
FILE:
6,10' XXX
2.2' ~
0,75' 0,75' ~ A U
2,5 r ~
- 15,00' ~..i a
N
W ~ ~
W
a
w
. ix Stone (9 -iz Diameter) ~
8 Coll of xt'l t C rt
Cross Section View
-b-- 3,80' 0
2.30' ~ ~
1,25'
13,E 13,00'(approx, sloped distance) ~ F,.~
EL 290,2 w 'Q,'
Stone (9'-12' Diar~eter> w
Existing 15' RCP Culvert
Typical Dimensions Shown UZ W
4,00
1,50'
E-+ a' w
~ ~
Notes;
1 Standard flared culvert dir~ensions are shown,
3 Stone shall be underlain by geotextile fabric with no gaps
in either layer, SHEET
The geotextile fabric shalt be properly tucked in on all
Geotextile fabric sides,
(Mirafi SOOx, US Fabrics US200 or equivalent)
Stone apron shalt be at the slope specified on the Wetland OF
Design Sheet, and extended 1' onto the forebay bottor~, 15.00'

w ~ ~ M Q m
W N~y ~ ~ ~
^~I C rr hh ~ V D)
rrnn ~ ~ vl at d Wate wa tlet V t ~
' t re S W u ~H d
Cross Section View ~ ~a
Cross Section View Notes ~ti ti ~ o
~ ~ N C~' v
to weir structure shall be 6" wide and Concre O O x
concrete blockin on ex osed exterior, covered b g p ~ti~ H ~ W a
s.o Y ~ H °z
Protective a natural tan on
Concrete blockin shall be stained 9 n p~ ~ N
Box ed, r all surf aces expos rv^f
1.50 Perr~anent Turf ~ pw~
r ~ a n u Reinforcement Matting ~ ~ z
true Box (8 D x 8 W x 19 H) will be made of Protec PVC , v m
w o alternative r~aterial and rovided b NCSU, oil p Y
Orifce , 0,25'--- 5,00 .00' 1,00' ~ ~ 1 ~ o z ~ ~
~ Perr~anent Turf , ~ Ve etated channel shall be railed and seeded o ~
9 g Reinforcer~ent Matting , 1 ~ E~ ~ 1,20 ~d *o z
re add~n turf reinf orcer~ent r~attin Turf befo g 9 3
Wetland Surf ace f orcement Mattis shall have a coconut fiber Rein g r To North Creek d
CEL 285,5) - r~atrix within three la ers of ro lene netting, _ Y P PY
1.00 5/. ope 7.20`
- , ith
~ ~ l extend 5' ast outlet weir, underlain with I Stone shat p
L________~ i abric and laid with no a s, Heav Wei ht Geotextle heav wei ht eotext~le f g p „ Y 9 Y 9 9
Stone (6 -9) Matting
Diar~eter i 500x US Fabrics US200 ~ ~ ' (Miraf textile r~attin shall be ro erl .tucked into All eo g p p y
9 or e uivalent) ~ both ends,
q the round with at least 1 overly on 9 p
the mats meet the heav wei ht 'fabric will be Where y 9 e
' the li htwei ht waterwa fabric to revent laid over g g y p DESIGNED: 1t
u lif t b water, MDC, ICJ
p Y
CHECKED:
XXX
, DATE:
4 To View P
3 Front View i/oe/o4
Metal Channelin (extendin 2in,)
9 9 scALE:
3,00' 3,00` ~ I NOT TD SCALE ly ~ /
EL 2 0,0' l ! /
#4 Rebar Orifice ~ PROJECT: 1 ~ 1
~ ~ ~ 1 ~ ~ ~ d o XXX
' Block ~ ? ~ ' Concrete Inside , , I ro o 0
I ~ ' I i 0 ~ ~ ~ - 2Sg, 0 349 o c N 0 a ~ o~ _ _ FILE:
, -y-----t-----t- r ~ t t 1,00 I I , - Concrete Blocking I , ~~0
I I I I I 4,00 t ~ ~ 2 ~ / ~ XXX
and mortar , _ ~ _ _ - -----T-----r I 0.50 1 -I 7 r , ~ ~
t' e ~ I I I I I 5,00 Wood Alterna iv I I ~ I , ~ i I ~ - I ~ ~
nterlockin Slats _1_____1____1_ I g -1-----1-----1- ` ~ ' ~ / f
r o r I I I I I I -fir C0,5Hx1Dx2L) I I I ~ ~ I I I j ~ ~ /
' ' etl nil urf ice I I I I T~ / Vl
I i I ~ I 0 l { /t ~ ~ as ~ ' 1 ~ 9p~'-~
, I I , r , , , I , 2g90 I I 1,p0 I a ; / Z~ Z 1~ ~ ~ f /
Concrete Footer I ~ u u r _J-----I-----1-----L---- ----~-----~-----T----r- I ! ~ / 1 ,
(8 H x 20 W x 11 L) r I ~ ~ ~ ' i ____1____L__ I 1 , ~ ~ 1 ti ~
I i ~ PVC orifice / ~ ~ f ~ ~ on Bret /
i ~ a
~ ~1 ~ ! ~ ~ / .i ~ 3, --~-3,00
Notes Concrete Footer ~ f ~ \ 1 - ---f - ~ter - - -i'- i i T ~ ~
8"H x 20"W x 11 "L) - ~ a ~ x 11 L) ~ ~ 1 1.0. ~ 90
1' ? 0 0 0 ° 0 8~ o
' ll be Brickstone A110 with 9a°0T~ Concrete Blockin shy 9 ~ ~ r-~1 ~ ~ ~ ~ ~
' the (Dir~ensions 4'H x 4"D x 8u-16"L) variable leng I r
ver ex osed concrete weir surf ace, and shall co p - - -f - - ~^-----J ~ =r=--------- - , , r 7 \ ~ ~ i ~ l r ~ ~
l ,r ~ ~ , ~ 90,0 ~y y~~ 0~ 0 0~ p~ rj WJ
, 2g0A ckin shall be stained a natural tan / 0 0 ~ 0 4~ ~ ~ ~ ~ ~ ~
Concrete blo g , ~ 2 Z 2 ^ e ~ ~ -N (U
orative face and all sides exposed, color on dec /2 ~ ' f i ~ r ~ A ~
o~ ~ Protective Box ~ ~ ~
' i e CDia, shall be inserted into A sr~all PVC p p
' ' ole with an elbow on end ointing the orif ice h P a
N ~ Notes W ~
down, Notes a
0,5
' sand r~etal channelin All woad alternative piece 9 Concrel Concrete structure shall have a Metal Channelin ~
rovided b NCSU, 0.5' deg p Y a g 0,5 dee x 2 wide notch aloe P 9
entire ' box will be installed on the taller entire boundar around weir slats, , Y s,o 2,0
The rotect~ve P , n
' ndin ust above the weir crest weir slat, exte g ~ PVC on PVC orifice i e shall extend 3,0 p p Weir Slats ~
his box will be screened on bottom Cnot shown), T ast t~ ,o ast the weir on both sides and
P ent orifice i e obstruction, to prev p p P
have a have adown-turned elbow on the Concrete
wetland error will be reinforced. with #4 wetland side, The down-turn will sxEEx
Concrete mt „ ~ rr extend extend at least 3.0" below norr~al
ed e 12 on center and 3 from rebar, 6 f ror~ g , ool, ool~
' r will be anchored into P to , Vertical reba P , P
and tied into a horizontal rebar concrete footer OF
- piece,

a - - W~
-->r-' - ~ - - r I I -r _ _ _ t A • Il I ~i j 1 I V ~ ~ i \ A { i 111 t 1 i , ~ ~v ~o
~ 11 ~ N F. t i' 1~ i i I / / ~ ~ A \
~ Il , , ~ ~ TO,P-2 1.61 v ~ ShallowLand- Wetland Areas m
i ~ • • I 1 t i ~1 1 ; ~ r ; I f ~ ; IN`~.IN= 85.01 ; r ~
_ it i A A A v~ i i i , INV.IN 286.50 ~ ~ \ Carex crinata Mimulus rinpens ~ ~ i O ~ H
NU, 23.08 ~ 1 11{ r / ~ ~ ~ ~ 1 / rl ~ i ~ i IN'~.OU ~-284.01 V \ \ Carex lurida Yernonta noveboracens' ~ ~
` C ~ ~ti ~ \ Carex lupulina Im atiens ca ensis w ~ o ~ V P p
I I i ' 'y j 1 ~ I r l _ ~ ~ y \ Ca7ex vuI inoidea N ~ ~ \ , p cephalanthus ocetdentaJrs ~ ~ U
~ r t i r r j ~ 1 i ~ ~ Juncus effuses Corpus amomum , \ Scripus cyperinas Rosa alustris ~ ~ H
\f J ' ~ j ~i ' I J ~ ~ ' I ~ l , _ _ „r+''i i ? Yet, t t i t • \ Asclepius incarnata Sambucus Canadensis ~ W o
~ + + patonum frsiulosum ~
` « \ Helianthus anpp~~~~ppti olius ~ x
• + ~ 1 r j ~ ~ ! ~ oi: • ~j`.~ ~ tea t "`~I o Cpl • t Lobelia cardtnalts ~
1 , \ ; 1 . \ ~
i ~ i 1 ~ i ( G ' i ~ , j ( 1 ' i 1 ( 7 . 1.. is . ~ . ~ Shallow Water Wetland Areas ~l
i \ I ' ' i I i \ I S' • f I I, ~ .~...i• r,., ' ~ \ 1 I , - i ~ anlta. y Sewe , , -•r••.f 1 r ~ ~ ,s r \ U
: j • ~ Iris versicular ~ m
! i ~ ~I I; ? t r / 'r F / j • •1~ • „ « r ~ \ Peltranda vi7ginica '
; , + , , + ~ Pontedaria cordata o . ••~,~b•.:: r+ «++«t+«++~r , Uapp~ttaria lati otia t C ~
I , F •r I ~ ! I t~. y 0 ~ , r/ r ~ ~ t Sparganium ameriCanlrm [`7l1
. + + + + + t 0
l f i 1 , \ ~'y \ 1 ` + ~,.1'._!'.i~,..3'~ti ii,ii~ I i i y~++«+«r++++tr++++«+~~ ~ Nupharlutenm V+~ V)
111 i + t 3 + , ? i ? , f • i w ~ I ~ ~ S ~ I 1 't' `'t i ? tit . i , t + + . + + + + + + +r ~ C N N r t « . + « + + « + + « ~ Nymphaea adorata + t « « « + + « + + + « + 1
i ! ' I ~ 1 , ' i 'e: 1'. •r+ ' 1• i t t+ i i t+ i i ' ( ~ ~ l , t` 1 .1 ` 1 t t r+ t i t t ! I I i ~ V ~l 1 1 ; ~ `l • .9,5'.. ,tt+?#itt+?+t 4 t i i r«++ r+« ,t + + i « + b 4 « + + i i + j
• I i f ~ j ly .'s-V ~ `t 'y, ~ ~ I i •l- j• , ~ , ~ +t+. +t+iti+t+ii • i + + i } i « } 4 ~ ~ i ` tr««'«'+«+'+'+y+ + ; 1 ~ ~1 U land-WetlandandCrreenwa Buffer ,«,,,?+'t++• I ~ Y
~ I \ ~ 1 . .fir . r r + 4 t « « + « + « ~ r + ti,
I ~ t . ~ , 1 , i • • • tt" ' ~ ~ Alms semtlata Aronia arbutiJ~olio •1• 4 + i ? + + i ~ 1
j ~ , ~ , i { .i. • . . . - `~++'+^:~r . i Ca tnus caroliniana Hamametis vt pia : + 1 rP ~ t 7 ! I
7 c > ~ , ~ ~ , , + ~ i 1 Cormrs amomum Ilex verticilatta * t « • • • t Platanus occidental' Lmdera benzoin
I • •j ~ ! y . + . ~ « : + ~ « 1 j i Prunes serotina Panieum clandesrinum
~ I a ~ h ~ ~ .tt . ~ •Y e'. , • .r • . i Saltx ntgra Sorghustrum nutans
e I _..r . ` ~ • : • : « ~ ~ ~ I ! Betula nigra Asclepius tuberosa
I .j..r.......,.. r . . ~ r I, ~ ' I .I } , r ~ ~ ; Quercusshumardu Asternovaeanglaae
J I I i , I I I ..j• . . ' "+tF ~ DESIGNED: rr . • r, « + ~ ; Quercus phellos Lratrzs Sptcata
''y it j / 7 ! • I • 'l'r + .1. t f « + ~ Quercus michauxii Rudbeckia triloba 't , . r r + I j MDC, KRH, JWP
i I I 1' 1 r Z. ~ ? A • • A t • • t ;i i ~ • ~ j Quercur ragra
« • t.~::~•. ?l+ ; CHECKED:
. • ~ t i ~ Vegpetated Berm ~ 1•. « ~ ~ b
i t t o !I .,r '.t., ,
, f ~j~ 1 .f.:... . . . I . , 1 \ I .y. 1 . «1 ~ 1 Festuca rubs
~ . ~ ~ , ; . f N.... ~ r i ~ j: • G 1 . . . , . ...:'E•. ? t+ ( j DATE:
1 i .('L J I , ' r . r .s. k« ~ f~
i I Ir. ..:::..'~fw`: r I I~ f 1 E I .L. '.r..': t i 1
,OPT-2 .~7 •j f 1 I r i• . . ? . . .................:.~..f' i . I . r t~ i 1 ? fr , .......,..f.• ~ r :r. « ~ ~
'V.IN= 91197 ; i i iI I ! ' ..................r..', + ! . ~ . . I . , . I I . r i1 .,.f . ' ~ tr ~ ( I SCALE: f.:: « + j i t ~r
? J 1 ' ~'..C,~:... . r:::. 1 I I , .1 . t':: ti
~A ( w'•'• r f ~ I 1 ~ ~ • • 7J • t , ~1 t I r t t ~ •!•1• .r• + I+ ~ V. UT 2~,0. J :r::.. • • r • : . . ~ ~ ~ ~'•'t ••I•.,,•; ?tq+ ~ 1 1 inch - 15 feet
t: ~
. . r F ~ e • I 1 it ' Q .:.................7. ! 't' • • •7• «P i f PROJECT: ~••i . ~ ~ ~ i t
i A i ' J': ~ 1 i l j j 1 1 N t' N try I , ~',r r 1 j i ~ ~ 1 ~ f 1 'r ~ IN ? ,.~.,1. , ,1 ~ ? ,
1 ~ ~ j ~ r i i r ~ t + i i SOD r + ; XXX N
I I i I ?f, • ~ 1 1 1 1 f 1 r N . •....s:........ t t 2+ t i 1 r• i 11 I~ ~ f ~ .~.',t + t I or s ec~ ~c ~n o + « ~ - rma ion • . « FILE:
1 1 } l ':h~' 'j it l L..' I ti.. 289$:... '+t,+ 1 1 i(t +J I } i y I I it!tt~+t « + , ~ r«r~~« ~ o n e a n ~ n
y • S ! ' r i t •t'jI ~ \ r ~j' !I 1 1hv~ ..\4...~...., it4 • i N { r t t I •
I { ; 1 i( t t t 'r' 1 '::::.~88'V 1 1 JI y, i ~t i • ~ «r « ~ i XXX • • « r? t ( + I«~k S e
r 1 ..•y + . I t i i 0/ ! T~P=/ + I 1 11 ! 1 •1•' .1 .1 + t ~ 1 a n rees, s ru s .
• + « e ' ' + Y + , I
I, I I II VV. ~ ~ tlY ~ II ~ , 1 a •1 4 i ? I ~ ~ ; , . er aceous s ec~es an ~
• A • U = 4 ~ ' ' 1• 'J I INV. ~ ~ ~ ; v -t. + + ~ ~
1 I i . ~ ' t „ , ~ I . . I , 1, t ~ ~ rass, see e a ~ s a n z «r I l ~ f I • « 4 4 ' ,
I I I j r 4 '.1 ' „ •1•~• 14 1 ; t t ! i
, ' ~I + 1 i f ~ +t ~ j E..,
r i t U~ , . N . , not is • ( t Jr ! W~k , ~1 ~ , I ' ~ ~.J
I ; 1 j r ~ 1 ,4 . + I j 1 ? . ? ' i I ~ + ~ 1 i H 1 t , , 1 r I
1 J , r I r • , + i
I . t ~ r 1 ~y a
N 1 i ~ ~ ? , i ~ , ~ W
I W ry ~ N O1 ~~i ~ i I r I 1 I I ~ 1 C ~ t + V ! ! 1 • t « t 1 t r
• AI • J { 1 ~ ~ J ~ t r j/ • r i ~ « + ~ ~ ~ ~
i ~ O i t 'f'f'r` 1 t 5 f t tt i ~ I I j j r ..r • i ' I I f ~ ( I 1~ f , t « / t j « t • + qi + t t ; 1 1« 4 ~ ~ 7 t i
i ~ ~ I I f l l : I r + i + T{{{ t t t I 7 1
1 ' ~ H ~ ~ t r .1..~ . ? « « If _ t I ~ ? ~ 7 ~ ~ Q, • ? r « ~ ~ 1 i~ . « « , ~ l 1 t
f I i i i ~ i i I Ir ! 1 + « + t + ! ~ I ~
I « ~ r ~
i ~ i I . . . • i r r f ;
~ - + , f t ( i f ~ ~ i I li ? i i i :f:O}. . . . . . . . i I.~.. « t«~ « ~ f f i J~ - # r f « I~ I ! ~r +
T -284.9 ~l1t••• ? + ! i j
i• « « ~k i I u 't « ? 4r / 7
i ~ / / I ~ ~ • . / j
SHUT ti I ' + I _ ~ J , i i « i « 7 I ~ I~1
i f ~ ~1 I '.l ' + ? I ~ I i ~ .1. i ? I' f t + « J ! ~ , « + ~ « « ~J
+ j =3 « N
~ I INv r z t 2 N
I I ~ 1 ' 1 4 1 1 ~ d ~ ~ ~S ~.~Y•i,. ~i ~t is 'G « ~ w ~ ~ x ~ IN_ ~
I f I ` l 1 I , 1 1 . t_,i.!.! t t itt t . J i , f i t t ,h.+ I I ~ I I 1 1 ~ i ~ ~ ~ 'y Y~_ l 2 2 ~ ~ ~ r ~ ~
~ ~ ? ~ ~ I ~T'{~P= 83.6 No F ~ rth t i ~
1 i ~ j - I I y i TOP-284 0 ~ ~ , S ! , t 1St' r t ~ E
i i j, N~.IN 279. ~ r i INV.IN=2 .00 ~ r I ! ~ I ~ i ~ I I l i 1 ~ 1 ~ 1 ~ n .1~~` ~l, ` i 1 .1 ~ t
i 1 ~ , 'i I V.IN 278. ~ } ~ , ~ INV.OUT= 80.90 1 ~ j ~ ~ - ~ f i ~ ~ 1 I r 1 } r I ~ ~ i /
! ! i ! ~ , ~ i II~V:IIN 278.63 ~ ~ t 1 I ~ ~ ;l
1 ~ I j i - i ; N, j i I r I V,~ T- 78.50 ~ ~ i I I t { ~ ~ ~ i ~ N. ~ SHEET i
, ~ r ~ N ' rt In 2094942.78 r ~ ~ ~ 1 ~
I i I ~ , 1 O I I ? 'v , ~ ~ ~ i / i r I / 1 ~ - 3 89.7 + ~ a5ilrrg - 51 ~ , 2 ~l ~ f 15 0 7.5 15 30 •65
+ ~ r t i 1 ( ~ t 1 !I ~ V ~ , ~ I ~ c ! ( J i ~ ) ~ fL 1 ~ 8 ~ 2 ~ , ~r 8 .3 t
' ~ ( ! r ( ~ ( r ~ 1 1 ~ f ~ ' I ~ ~ i ~ ? I I ~ ~ 1 I ''1 i ~ r ! V- 5 ~ OF V. ? ' ~
~ , ~ ~ i J j ~ 2 I / 5 ! I I .6 i ~ i I ~ i ( i ~I i 2 f ~ (ix FEET 5 I ~ .6 / E ~ ~ ~ 1 inch = 15 ft.
I I ' r i ` i' ~ L I i j' ~ j S I ~ ~ t S ~
i j j ~ 1 ' r f ~ I 1 r ~ I ~ , ~ ;

~ w ~ n
Seed i na P a nti na Live st Notes: Stake Deta i I ~~a
N
~ a
FLAT TOP END ~ o~~,
LATERAL BUD ~ ~ ~ ~ ~ GROUND ~ ~ H z
ATERAL ~ ~~SURFACE ~ ~ ~
1. ALL LATERAL
BRANCHES S a~
SHALL BE
TRIUMED SIDE BRANCH REMOVE ~ N
z II
z
2. A MINIMUM IIMUM ~ ~ oo
OF TWO BUDS BUS ( ~ W ~H;, z
SHALL BE E ~
ABOVE
PLANTING
DEPTH
45° TAPER
- r BUTT EN
~ "~"rr~ii r~r~'hr~"~r?~~ ~r~r~ !r~"rr~'iii ~''n ~r~i DESIGNED:
KRH
rr~"rr~r~"rr~'~'~i r~'rr~"rr~11~'~ ~'r~"rr~"~'_ a ~"~"rr~'r~'rr~ii CHECKED:
XXX
CORRECT INCORRECT INCORRECT INCORRECT
DATE:
Plant seedlings so that root collar is just below .ground surface. Roots should be STRAIGHT in the planting hole.
Make sure trees are not planted to deep or to shallow. They should not be "J" or "U" shaped. LIVE STAKES ~ '~°e~o4
scnie:
Not to scale
PR07ECT:
XXX
FILE:
XXX
Steps in Container Planting
Z
INSTALLING LIVE G LIVE STAKES: ~ ~
:-i a
B.) LIVE STAKI MATERIALS SELE STAKING MATERIAL SHALL CONSIST OF A RANDOM ASSORTMENT OF ~ ~
~ SELECTED FROM THE FOLLOWING: SILKY DOGWOOD(Cornus amomum), A ~ ~
BLACK WILLOW( ILLOW(Salix nigra) AND ELDERBERRY(Sambucus canadensis). OTHER ~ ~ z
~ SPECIES MAY B C.) INSTALLATIO EIIEII IIEII I I - MAY BE SUBSTITUTED UPON APPROVAL OF NCSU PERSONNEL.
a" ~ 'ao
ILLATION SHOULD OCCUR DURING THE DORMANT SEASON i. e. LATE FALL ~
~ ~ ~~n+~ , D.) LIVE STAK "~~n LENGTH ANGLE _ - - ORIENTED UPWA 1 2 3 4 5 STAKES SHOULD BE 2 TO 2 INCHES DIAMETER, 2 TO 3 FEET IN ~
ANGLED ON THE BOTTOM AND CUT FLUSH ON THE TOP, WITH BUDS o°~o ~
UPWARDS. ~
E.) STAKES SH (1) Dig hole to appropriate depth. TRIANGULAR SP (2) Remove plant from container. Tease out roots if necessary. ALONG THE STR .S SHOULD BE INSTALLED RANDOMLY 2 TO 3 FEET APART USING ~
AR SPACING OR AT A DENSITY OF 2 TO 4 STAKES PER SQUARE YARD ~
-iE STREAM BANKS. SITE VARIATIONS MAY REQUIRE SLIGHTLY z
T SPACING. STAKES SHALL BE DRIVEN INTO THE GROUND USING A
(3) Insert bar about 3 inches on one side of seedling and DIFFERENT SPA pull handle. This will close the bottom of the hole. RUBBER. HAMME (4) Push handle forward to close top of hole. THE STAKES SH (5) Remove bar and carefully close the opening by tamping OF THE STAKE HAMMER OR BY CREATING A HOLE AND SLIPPING THE STAKE INTO IT. PAGE NUMBER
DES SHALL BE TAMPED IN AT A RIGHT ANGLE TO THE SLOPE WITH 5
STAKE INSTALLED BELOW THE GROUND SURFACE. THE S01~ SHALL BE ~ 2 OF
ACKED AROUND THE HOLE AFTER INSTALLATION, SPLIT STAKES SHALL
gently with a tamper or your heel. Avoid injuring the seedling. FIRMLY PACKED NOT BE INSTAL REPLACED. NSTALLED, STAKES THAT SPLIT DURING INSTALLATION SHALL BE ~ 3

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