20110260 Ver 1_Public Notice_20110408

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Dennison, Laurie
From: Harrington, Dorothy SAW [Dorothy.Harrington @usace.army. mi1]
Sent: Friday, April 08, 2011 10:49 AM
To: Williams, Andrew E SAW
Cc: James, Lisa M SAW
Subject: US Army Corps of Engineers Public Notice for University of North Carolina at Chapel Hill
(Carolina North) - Action Id: 2010-01840 (UNCLASSIFIED)
Classification: UNCLASSIFIED
Caveats: NONE
As you requested, you are hereby notified that Wilmington District, United States Army Corps of Engineers has issued a Public
Notice. The text of this document can be found on the Public Notices portion of the Regulatory Division Home Page. Each Public
Notice is available in ADOBE ACROBAT (.pdf) format for viewing, printing or download at
http://www.saw.usace.army.mil/WETLANDS/notices.html. As with all e-mail attachments, be sure to check for viruses prior to
opening the attachment. The current notice involves:
PUBLIC NOTICE
ACTION ID #: 2010-01840
08 April 2011
The Wilmington District, Corps of Engineers (Corps) has received an application from The University of North Carolina at
Chapel Hill (UNC-CH) seeking Department of the Army authorization for permanent impacts to 552 linear feet of stream
channel and 2.412 acres of wetlands and temporary impacts to 70 linear feet of stream channel. These impacts are associated
with the construction of Carolina North, an expansion of the existing University of North Carolina, Chapel Hill campus, in
Chapel Hill, Orange County, North Carolina.
EXPIRATION DATE: 09 May 2011
POINT OF CONTACT: Andy Williams
Classification: UNCLASSIFIED
Caveats: NONE
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US Army Corps PUBLIC NOTICE
Of Engineers
Wilmington District
Issue Date: April 8, 2011
Comment Deadline: May 9. 201 1
Corps Action ID: SAW-2010-01840
The Wilmington District, Corps of Engineers (Corps) has received an application from
1'he University of'North Carolina at Chapel Hill (UNC-CI-I) seeking Department ofthc
Army authorization for permanent impacts to 552 linear feet of stream channel and 2.412
acres of wetlands and temporary impacts to 70 linear feet of stream channel. These
impacts are associated with the construction of Carolina North, an expansion of the
existing University of North Carolina, Chapel Hill campus, in Chapel 1 lill, Orange
County, North Carolina.
Specific plans and location information are described below and shown on the attached
plans. This Public Notice and all attached plans are also available on the Wilmington
District Web Site at
http://www.saw.tisace.armv.mil/Wetlan(is/Notices/Current notices.html The entire
application is available on the University of North Carolina Web Site at
http://researcli.tinc.edu/carolina-north/index.litm.
Applicant: University of North Carolina at Chapel flill
c/o Richard L. Mann. Vice Chancellor. Finance & Administration
300 South Building
Chapel Hill. North Carolina 27599
Agent: Biohabitats. Inc.
Attn: Lee Mallonce or Kevin Nunncrv
8218 Creedmoor Road, Suite 200
Raleigh, North Carolina 27613
Authoritv
The Corps will evaluate this application and a decide whether to issue, conditionally
issue, or deny the proposed work pursuant to applicable procedures Section 404 of the
Clean Water Act.
Location
Carolina North is a 947 acre property, with approximately 643 acres located within the
Town of Chapel Hill and approximately 304 acres located within the Town of Carrboro.
The parcel is bounded by Martin Luther King, Jr. Boulevard (North Carolina I lighway
86) to the east, Homestead Road (State Route 1777) to the north. single family residences
Fronting on Cobblestone Drive to the west and F.stes Drive Extension (State Route 1780)
to the south. It is divided on the north/south axis bN Seawell School Road (State Route
1843) and the Norfolk Southern Railroad line, in Orangc County. North Carolina. The
geographic coordinates (in decimal degrees) for the site are 35.9351 N. and -70.0647 W
(NAD83/WGS84).
Existing Site Conditions
The primary current use ofthe Carolina North property is the Horace Williams Airport.
Until 1973, approximately 40 acres of the site, was also used as a municipal landfill.
From 1973 to 1979, a one-quarter acre portion of the site, known as the Airport Roar[
Waste Disposal area. was used to dispose of the chemical waste from the university's
research activities. That material has now been removed and on-going groundwater
renlediation and monitoring continues in the area between the Airport Road Waste
Disposal area and Crow Branch Creek. Most of the remainder of the property is
undeveloped upland forested areas, although some of the lorested areas were previously
runways associated with the airport, some were logged as recently as the 1970's and
some were active farmland into the 1970'x.
Within the 947 acre Carolina North property boundary, there are approximately 21
stream channels that total approximately 29.079 linear feet. These stream channels
include Bolin Creek and 12 unnamed tributaries, Crow Branch and 5 unnamed tributaric?
and l unnamed tributary to Booker Creek. Additionally, there are approximately 34
wetland areas that total approximately 10.4 acres. Most of these wetlands are adjacent to
Crow Branch, Bolin Creek or unnamed tributaries to these streams. There is also one
impoundment of Crokv Branch ?N ithin the property boundary. All streams. wetlands and
waters on are in the Cape Fear River Basin (8-Digit Cataloging Unit 03030002). Site
inspections have been made for the jurisdictional determination: however, a final
jurisdictional determination has not been completed for the project.
Applicant's Stated Purpose
The applicant's staled purpose for the project is to expand the existing University of
North Carolina-Chapel Hill (UNC-CH) campus to accommodate existing and new
academic, research, service and outreach programs in support of t1NC-CI I's mission.
Project Description
The activity involves the expansion of the existing UNC-CH CanlpuS. The 111ain campus
is nearing its responsible building capacity and the few remaining building sites there are
constrained by existing development. The Carolina North Plan proposes to develop
approximately 9 million square feet on 228 acres over 50 years. The master plan
2
prioritizes already disturbed land for the development of Carolina North. Plans submitted
with the application show the placement of fill material permanently impacting
approximately 552 linear feet of'stream channel, permanently impacting 2.412 acres of,
wetlands and temporarily impacting 70 linear Iect ol'strcam channel. This includes all
roadways. utility lines. and building lots. Construction ol'the project is proposed in two
(2) phases. Impacts proposed for Phase I will include 0.005 acre ofpermanent wetland
impacts and 10 linear feet of temporary stream impacts. All the remaining impacts
described above are proposed for Phase II.
To mitigate for the anticipated impacts. the applicant has proposed a payment into the
North Carolina Lcosystem Enhancement Program (NCI:EP).
Other Required Authorizations
This notice and all applicable application materials are being forwarded to the appropriate
State agencies for review. The Corps will generally not make a final permit decision until
the North Carolina Division of Water Quality (NCDWQ) issues, denies, or waives State
certification required by Section 401 ofthe Clean Water Act (1'1, 92-500). The receipt of
the application and this public notice combined with appropriate application Ice at the
North Carolina Division of Water Quality central office in Raleigh will constitute initial
receipt of an application for a 401 Water Quality Certification. A waiver will be deemed
to occur if the NCDWQ fails to act on this request for certification within sixty days of
the date of the receipt ofthis notice in the NCDWQ Central Office. Additional
inlormation regarding the Clean Water Act certification may be reviewed at the NCDWQ
Central Office, 401 Oversight and Express Permits Unit, 512 North Salisbury Strect,
Raleigh, North Carolina 27604. All persons desiring to make comments regarding the
application for certification under Section 401 oi'the Clean Water Act should do so in
writing delivered to the North Carolina Division ol'Water Quality (NCDWQ), 1650 Mail
Service Center, Raleigh, North Carolina 27699-1650, Attention: Mr. Ian McMillan by
May 2. 2011.
Essential Fish Habitat
This notice initiates the Essential Fish Habitat (F.FI1) consultation requirements of the
Magnuson-Stevens Fishery Conservation and Management Act. The Corps" initial
determination is that the proposed project will not adversely impact EFI I or associated
fisheries managed by the South Atlantic or Mid Atlantic Fishery Management Councils
or the National Marine Fisheries Service.
Cultural Resources
The Corps has consulted the latest published version of the National Register of l iistoric
Places and is not a«-are that any registered properties, or properties listed as being
eligible for inclusion therein are located within the project area or will he affected by the
proposed work. Presently, unknown archeological, scientific, prehistoric, or historical
data may be located within the project area and/or could be affected by the proposed
work.
Endangered Species
The Corps has reviewed the project area, examined all information provided by the
applicant and consulted the latest North Carolina Natural I leritage Database. Based on
available information, the Corps has determined pursuant to the Endangered Spccics Act
of] 973. that the proposed project will have no effect on federally listed endangered or
threatened species or their formally designated critical habitat.
Evaluation
The decision whether to issue a permit will be based on an evaluation of the probable
impacts. including cumulative impacts, of the proposed activity on the public interest.
That decision will reflect the national concern for both protection and utilization ol'
important resources. The benefit which reasonably may he expected to accrue from the
proposal must be balanced against its reasonably foreseeable detriments. All factors
which may be relevant to the proposal will be considered including the CUIlllllaliyc cllects
thereof:. among those are conservation, economics, aesthetics, general environmental
concerns, wetlands, historic properties, fish and wildlife values.. flood hazards, flood plain
values (in accordance with Executive Order 11998), land use, navigation, shoreline
erosion and accretion, recreation, water supply and conservation, water quality, energy
needs, safety. lood and fiber production, mineral needs, considerations ol'property
ownership. and, in general. the needs and welfare of the people. For activities involving
the discharge of dredged or fill materials in waters of the United Statcs. the evaluation of
the impact of the activity on the public interest will include application of'the
hrrvironnlental Protection Agency's 404(b)( I ) guidelines.
Commenting Information
The Corps of Engineers is soliciting comments from the public: Federal. State and local
agencies and officials, including any consolidate State Viewpoint or written position of,
the Governor; Indian Tribes and other interested parties in order to consider and evaluate
the impacts of this proposed activity. Any comments received will be considered by the
Corps of Engineers to determine whether to issue, modify, condition or deny a permit for
this proposal. To make this decision, continents are used to assess impacts on endangered
species. historic properties, water quality, general environmental cfTects and the other
public interest factors listed above. Comments are used in the preparation ofan
Environmental Assessment (EA) and/or an Environmental Impact Statement (I'.Is)
pursuant to the National Environmental Policy Act (NEPA). Comments are also used to
determine the need for a public hearing and to determine the overall public interest of the
proposed activity.
Any person may request, in writing, within the comment period specified in this notice,
that a public hearing be held to consider the application. Requests for public hearings
shall state, with particularity, the reasons Im holding a public hearing. Requests for a
public hearing shall be granted. unless the District Engineer determines that the issues
raised are insubstantial or there is otherwise no valid interest to be served by a hearing.
Written comments pertinent to the proposed work, as outlined above, vkill be received
by the Corps of Engineers, Wilmington District, Lentil 5pm, May 9, 2011. Comments
should be submitted to Andrew Williams. Raleigh Regulatory Field 011icc, 33 31
Heritage Trade Dr., Suite 105, Wake Forest. NC 27587.
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,
ACTION ID'. 2010-01840
APPLICANT: UNNERSITYOF
NORTH CAROLINA
AT CHAPEL HILL
PROD. NAME: CAROLINA NORTH
SHEET 19 OF 21
The following pump-around detail illustrates the linear extent of temporary stream channel impacts
associated with clean water and sediment sandbag dikes. The pump-around technique is often used
when extending culverts for road widening. These dikes are temporary, and their impacts do not require
mitigation.
APPROVED DEWATERING DEVICE
1 DISCHARGE HOSES
STREAM DIVERSION
PUMP
DEWATERING PUMP `J
INTAKE
P HOSE
as"Op
' INTAKE
X HOSE
FLOW
SEDIMENT SANDBAG DIKE l POOL.
CLEAN WATER SANDBAG DIKE 12 TO 18
DEEP, .'.' DIA'
PUMPS SHOLD DISCHARGE
ONTO A STABLE VELOCITY
DISSIPATOR MADE OF SANDBAGS
r WORK AREA
EDGE OF WATER PLAN VIEW
IMPERVIOUS SHEETING
oz
WORKAREA Uj FLOW
0 LL
( U
APPROXIMATELY 5' FOR
CLEAN WATER SANDBAG DIKE SECTION A-A'
SEDIMENT SANDBAG DIKE
DIMENSIONS ARE SIMILAR
PUMP AROUND DETAIL
NOT TO SCALE
Appendix D
March 25, 2011 Revision 2
ACTION 10: 2010-01040
APPLICANT: UNIVERSITY OF
NORTH CAROLINA
AT CHAPEL HILL
PROJ. NAME: CAROLINA NORTH
SHEET 20 OF 21
Table D-9 Phase 1 Carolina North Stream and Wetland Impacts
Wetlands
Wetland Impact Miti
ti
R
ti Mitigation Cost
(ac) ga
on
a
o acres $62,210/acre
2 0.005 2:1 0.010 $622
SUBTOTAL 0.005 0.010 $622
rounded up to the nearest .25 acre 0.250 $15,553
Streams
Temporary Permanent
Impact* Impact Mitigation Cost
Stream
(If) Mitigation
Ratio
(If) Mitigation
Ratio total
If
$338/If
1 10 none 31 2:1 62 $20,956
SUBTOTAL 10 31 $20,956
*temporary impacts are associated with pump-around devices for culvert extension installations,
see pump-around detail illustration at the end of Appendix D
Jordan Lake Buffer Impacts

Impact Zone 1
(ftZ) Zone 2
(ft2)
Mitigation Cost
Stream (If) 3:1 1.5:1 total ft2 $.96/sf
1* 0 0 0 0 $0
total impact 0 0 0 0 $0
* Jordan Lake buffer rules do not apply to stream 1
I TOTAL WETLAND + STREAM + BUFFER = $36,509
March 25, 2011: REVISION 2
Table D•11 Phase 2 Carolina North Stream and Wetland Impacts Table B

l
W
d Impact Mitigation Mitigation Cost
an
et (ac) Ratio acres $62,210/acre
A 0.099 1:1 0.099 $6,159
X. 0.143 2:1 0.286 $17,792
XA' 0.025 2.1 0.050 $3,111
XB' 0.06 2:1 0.120 $7,465
Y 0.13 1:1 0.130 $8,087
Z 1.214 1:1 1.214 $75,523
AA 0.014 1:1 0.014 $871
AB 0.572 1:1 0.572 $35,584
3 0.011 2:1 0.022 $1,369
T(5) 0.014 2:1 0.028 $1,742
6 0.037 2:1 0.074 $4,604
17 0.023 2:1 0.046 $2,862
18 0.065 2:1 0.130 $8,087
TOTALS 2.407 2.785 $173,255
rounded up to the next .25 acre 3.000 $186,630
credit for Phase 1 payment 0.250 $15,553
balance for Phase 2 2.750 $171,078
'isolated wetlands

Temporary

r
PO
Permanent
P*
Impact' Mi
i
i impact i
Mi
ti Mitigation Cost
Stream

(If) t
gat
on
Ratio

(If) ga
on
t
Ratio total

If

$338/If
2 10 none 27 2:1 54 $18,252
5A" 0 none 100 2:1 200 $67,600
8 10 none 47 2:1 94 $31,772
13 10 none 60 2:1 120 $40,560
14A"` 0 none 174 none 0 $0
148 10 none 20 2:1 40 $13,520
Bolin Creek 10 none 21 2:1 42 $14,196
Crow Branch (Wetland A) 10 none 72 2:1 144 $48,672
SUBTOTAL 60 521 694 $234,572
"temporary impacts are associated with pump-around devices for culvert extension installations,
see pump-around detail illustration at the end of Appendix D
-isolated stream
-Channel designated as Ephemeral by D

Stream WQ and Un

Impact important by
Zane 1
(ftz) USACE-no miti
Zone 2
W) gation required

Mitigation Cost
(if) 3:1 1.5:1 $.96/sf
2 27 2,805 2,966 $12,349
5" 100 6,255 3,110 $22,493
8 47 3,825 2,799 $15,047
13 60 3,700 1,915 $13,414
14A"' 174 0 0 $0
14B•"' 20 0 0 $0
Bolin Creek 21 1,809 1205 $6,945
Crow Branch (Wetland A) 72 5,211 2,642 $18,812
total impact 521 23,605 14,637 38,242 $89,060
total required mitigation 70,815 21,956 92,771 $89,060
credit for stream restoration 22,680 15,120 37,800 $36,288
SUBTOTAL: net impact 48,135 6,836 54,971 $52,772
please refer to figures in Appendix C for individual buffer area calculations
"isolated stream
-Channel designated as Ephemeral 6 DWQand Unim octant b USACE-no mitigation required
.u5.48'421
ACTION ID: 2010.01640
APPLICANT: UNNERSITY OF
NORTH CAROLINA
AT CHAPEL HILL
PROD. NAME' CAROLINA NORTH
SHEET 21 OF 21
RECEIVED
MAR 2 5 2011
Regulatory Branch
March 25, 2011: REVISION 2