19920106 Ver al_Complete File_19950717

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
APPROVAL of 401 Water Quality Certification
Mr. William Dawson, Chief
Engineering and Planning Division
Dept. of the Army
Wilmington District
P. O. Box 1890
Wilmington, N.C. 18402-1890
Dear Mr. Dawson:
XTI.KWA
E:> FE 1=1
July 17, 1995
Pamlico County
DEM Project # 92106
FILE COPY
You have our approval to place fill material in less than one-half acre of wetlands or waters for
the purpose of installing temporary fill for constriction of Hobucken bridge, as you described in your
application dated 7 July 1995. After reviewing your application, we have decided that this fill is
covered by General Water Quality Certification Number 2667. This certification allows you to use
Nationwide Permit Number 15 when it is issued by the Corps of Engineers.
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.
For this approval to be valid, you must follow the conditions listed in the attached certification. In
addition, you should get any other federal, state or local permits before you go ahead with your
project.
If you do not accept any of the conditions of this certification, 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 150B 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.
This letter completes the review of the Division of Environmental Management under Section 401
of the Clean Water Act. If you have any questions, please telephone John Dorney at 919-733-1786.
Attachment
S' ly
ston Howard, Jr. P.E.
cc: Wilmington District Corps of Engineers
Corps of Engineers Washington Field Office
Washington DEM Regional Office
Mr. John Domey
Central Files
92106.1tr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper

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DEPARTMRNT OIL THR ARMY
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WILMMTON, NOWN CAROUNA284WIM
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Structural, Electrical, and
Mechanical Engineering Section
Mr. Preston Howard, Jr., P.E.
Acting Director
Division of Environmental Management
North Carolina Department of Environment,
Health, nd Natural Resources
Post Offic Box 29535
Raleigh, N Ph Carolina 71626-0535
Dear Mr. Hbward:
This Utter is in regard to the ongoing replacement of the
Hobucken 6 idge. The project received 401 Water Quality
Certificat on No. 2781 issued by the North Carolina Division of
Environmen al Management (NCDEM) on September 22, 1992, and was
found cons stent with the North Carolina Coastal Management
Program (North Carolina Division of Coastal Management (NCDCM)
letter dated August ill 1992). The construction contractor has-
identified the need for additional temporary construction access
(described below) that was not considered during the permit
process. his temporary access will be constructed within the
existing b idge right-of-way. We consider this work to be minor
in scope aid incidental to the bridge construction. We have
determined that the project modification as described below is
required t facilitate the bridge construction and would not cause
significan environmental impact or additional obstruction to
navigation We would like your agency to amend your 401
Certification as needed to address this action.
Our C:41 truction contractor has determined that to allow for
transporton of construction cranes across the waterway and to
deliver required supplies by barge, two temporary sheetpiie
bulkheads one on each shore are required to serve as a barge
landing. he contractor's pans (enclosed) include construction
of two
70-foot-log sheetpiie structures. This action will require
excavation of about 110 cubic yards of material (55 cubic yards on
each side) below normal water in front of the bulkheads and
placement f about 90 cubic ards (45 cubic yards on each side) of
that material behind the bulmads. Most of this fill will be
placed bel w normal high water; however, adjacent wetlands (less
than 0.5 a re) may also be impacted due to fill and compaction.
Any wetlands that would be impacted are located within the
existing cleared construction right-of-way. After construction is
complete, the sheetpiles would be removed and pre-pro4 ect contours
and vegetation would be restored to the degree practical.
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07-07-95 01:57 PM FROM CESAW-PD WILMINGTON
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Since
known dur
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not consi
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authority
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tractor has considered the use of a pier-supported
nd determined it to be impractical for this
, since it would lack the durability needed to safely
ration of both a 110-ton crane and 250-tan crane with
rge landings over a 30-month construction period.
ities of concrete girders up to 120 feet in length and
24-1nch concrete piles would be loaded from these
he need for this temporary construction access was not
g the permit process, the bridge permit (Section•9 of
nd Harbor Act of 1599) from the U.S. Coast Guard did
r this action. We are concurrently requesting that the
amend the existing bridge permit to include the
tion. The District could then proceed under the
f Nationwide Permit No. 15, U.S. Coast Guard Approved
ovided that a State consistency determination and 441
ty certificate are obtained.
Nation tide Permit No. 15 authorizes the discharge of dredged
or fill ma erial incidental to the construction of bridges across
navigable aters of the United States, including temporary
constructs n and access fills provided such discharges have been
authorized by the Coast Guard as part of the bridge permit.
We hav determined that impacts from this action are temporary
and minor, and that the proposed action is compatible with the
Land Use P an for Pamlico County and consistent with the approved
Coastal Ma agement Program of the State. We have requested that
NCDCM amen their consistency concurrence to address this action.
We have 43o requested that they waive the 90-day notification
period.
Please provide your agency's response by July 19, 1995. If
additional information is required, please call Mr. Garry
Pennington in our Structural, Electrical, and Mechanical
Engineerin Section at [phone] or Mr. Chuck Wilson in our
Environmen al Resources Section at [phone],
Sincerely,
William R. Dawson, P.E.
Chief, Engineering
and Planning Division
P03/06
Enclosure
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State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
FILE COPY
May 1, 1995
Mr. Charles Wilson
U. S. Army Corps of Engineers
Wilmington District - Planning Division
P.O. Box 1890
Wilmington, NIC 28402-1890
Dear Mr. Wilson:
RILIF?EHNR

Subject: Mitigation Plan
Hobucken Bridge Replacement, AIWW
DEM Project # 92106
Pamlico County
The sub iect document dated February 7, 1995 has been reviewed and the Division accepts
this proposal as compensatory mitigation for the 7 acres of wetland impacts associated with the
construction of the Hobucken Bridge if the following revisions are incorporated into the mitigation
plan:
1. The monitoring plan must specify that hydrology will be monitored in each of the
vegetation sampling areas during the growing season.
2. The success criteria for vegetation should be revised to read as follows:
"The site will be considered successful if the sampling analysis indicates that the target
species are present at a density of 320 trees/acre and that no species shall comprise more
than 20%0 of the tree species in each of the sampling areas at the end of the third growing
season."
3. The success criteria for hydrology should state:
"The site will be considered successful when wetland hydrology has been documented to
exist in each of the sampling plots. Monitoring of hydrology may be terminated after the
first growing season if wetland hydrology has been documented to be present."
4. All annual monitoring reports, as built plans or proposed modifications to this
mitigation plan should be sent to the Division of Environmental Management, Water
Quality Section, P.O. Box 29535, Raleigh, NC 27626-0535, Attn: Ron Ferrell.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper

Please submit a revised version of the mitigation proposal which incorporates the above
revisions. If you have any questions concerning these comments please contact Ron Ferrell at
919/733-0026.
S' cerel
Jon . Domey
W tlands and Tec raalIRReview Group
cc: D. Sawyer, WaRO
R. Ferrell
D. Lexson, COE, Washington Field Office
m i t i g a t i o n/h o bu c ken.49 5