19970175 Ver 1_COMPLETE FILE_19970304

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
APPROVAL of 401 Water Quality Certification
Mr. Mike Kowalewski
Environmental Division
Duke Power
Electric System Support
13339 Hagers Ferry Road
Huntersville, NC 28078-7929
Dear Mr. Kowalewski:
Ar4i?EHNF1
April 10, 1997
Rutherford County
WQC 401 Project #970175
You have our approval, in accordance with the attached conditions, to remove sediment by backhoe or
cutterhead dredge at the Cliffside Steam Station on the Broad River, as you described in your application dated
28 February 1997. After reviewing your application, we have decided that this fill is covered by a
modification to the Water Quality Certification Number 2947 issued on 28 November 1994. This
Certification allows you to use the associated Individual Permit 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. If total
wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required
as described in 15A NCAC 2H .0506 (h) (6) and (7). 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 including (but not limited to) Sediment and Erosion Control,
Coastal Stormwater, Non-Discharge and Water Supply Watershed regulations. Also this approval will expire
when the accompanying 404 or CAMA permit expires unless otherwise specked in the General Certification.
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 Water Quality under Section 401 of the Clean Water
Act. If you have any questions, please telephone John Domey at 919-733-1786.
Sincerely,
Pr ston How , Jr. P
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
Asheville DWQ Regional Office
Mr°John Dorney
Central Files
970175.1tr
Division of Water Quality • Environmental Sciences Branch
Environmental Sciences Branch, 4401 Reedy Creek Rd., Raleigh, NC 27607 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer • 50% recycled/10% post consumer paper
Duke Power Company l ' Z
Electric System Support - - --- --
13339 Hagers Ferry Road
Huntersoille, NC28078-7929
DUKE POWER
February 28, 1997 RECEIVED
MAR 0 4 1991.
Mr. John Dorney EWIRONMENTAISCIENCES
U
North Carolina Department of Environment, Health
and Natural Resources
Division of Water Quality
P.O. Box 29535
Raleigh, N.C. 27626-0535
870175
Subject: Cliffside Steam Station - Intake Dredging
Rutherford County
Record: CS 005157
Dear Mr. Dorney:
Duke Power Company is applying for a modification to the existing Corps of
Engineer (COE) permit 199404527 issued March 10, 1995. The request for this
permit modification is based on the desire to have a backup method of intake
sediment removal, a routine maintenance activity necessary to keep Cliffside
Steam Station operational.
Duke Power would like 401 certification for the permit modification. The
modification would allow Duke Power e a long reach backhoe for sediment
removal, should the cutterhead dredg by available. The long reach backhoe
would be positioned on the intake d access to the 150' by 75' dredge area
already approved under COE permit 199404527.
The existing intake dike will also be modified to provide the long reach backhoe a
stable working platform. This will include widening and lowering the top of the
intake dike to just above river level (3" to 6") by pushing the existing stone from
the top of the dike into the upstream side of the jetty. Additionally, crusher run
will be added to the widened area, in sufficient depth, to provide a consistent
working platform for the backhoe and dump truck to operate upon. A dump truck
will be positioned on the intake dike to receive the sediment removed by the long
reach backhoe.
dwgdrg97.doc

Printed on recycled paper
The removed sediment will be transported to the ash basin (sediment from
cutterhead dredge discharges here under current permit) by the dump truck and off
loaded.
Concurrent with this letter, we are applying to the Army Corps of Engineers for a
modification to COE permit 199404527 and we are notifying the State Historic
Preservation Office and Fish and Wildlife Services of the requested modification
as well. Please fmd enclosed seven copies of the completed application and
associated drawings. Should you need any additional information to process this
certification, please contact me at 704-875-4315.
Sincerely,
Michael E. Kowalewski
Environmental Division/Water Protection
dwgdrg97.doc
ATT-Af, W60 T I o f 9
APPLICATION FOR DEPARTMENT OF THE ARMY PERMIT OMB APPROVAL NO. 0710-0003
(33 CFR 325) 401" 30 September 1992
Public reporting burden for this collection of information is estimated to average 5 hours per response for the majority of cases, including the time for reviewing inatructlons.
searching existing data sources. gathering and maintaining the data needed, and completing and reviewing the collection of information. Applications for lei
projects. or those in ecologically sensitive areas, could take up b 500 houm Send comments ? or more complex
including suggestions for reducing this burden. b Department of Defense. W regarding this burden estimate any at aspect n this r4eon of I15 Jeff iso
Davis H' ?h0? Headquarters Service, Directorate for Information Operations andP Projects, 1215 Jefferson
Highway. Suite 1204, Arlington, VA 22202-4302; and to the Office of Management and Budget. Paperwork Reduction Project (0710-0003). Washington, DC 20503. Please
DO NOT RETURN your completed form to either of those addresses. Completed application must be submitted to the District Engineer having jurisdiction over the
location of the proposed activity.
The Department of the Army permit program is authorized by Section 10 of the Rivers and Harbors Act of 11399, Section 404 of the Clean Water Act and Section 103 of the Marine,
Protection, Research and Sanctuaries Act. These laws require permits authorizing activities in or affecting navigable waters of the United States, the discharge of dredged or fill
material into waters of the United States, and the transportation of dredged material for the purpose of dumping it into ocean waters. Information provided on this forth will be used
in evaluating the application for a permit Information in this application Is trade a matter of pubic record through issuance of a pubic notice. Disclosure of the information
requested is voluntary; however, the data requested are necessary In order to cornnvx sate with the applicant and to evaluate the permit application. K
not provided, the permit application cannot be processed nor can a permit be issued. necessary Information is
One set of original drawings or good reproducible copies which show the location and character of the proposed activity must be attached to this application (see sample drawings.
and instructions) and be submitted to the District Engineer having jurisdksion over the location of the proposed activity. An application that Is not
completed in fuN will be returned.
APPLICATION NUMBER (To be assigned by Corps)
3. NAME, ADDRESS, AND TITLE OF AUTHORIZED AGENT
M. E. Kowalewski, Scientist
Environmental Div/Duke Power Company
13339 Haqers Ferry Rd, Huntersville, NC 28078
2. NAME AND ADDRESS OF APPLICANT
T. C. McMeekin,. Senior Vice President
Power Generation/Duke Power Company
422 South Church St
Charlotte, NC 28242
Telephone no. during business hours
A/C ( ) (Residence)
=( 704 382-4600 (ice)
4. DETAILED DESCRIPTION OF PROPOSED ACTIVITY
Telephone no. during business hours
Ac( 704) 825-5368 (Residence)
!c( 704) 875-4315 (fie)
Statement of Authorization: l hereby designate and authorize
M_ F_ Kowa1Pwtki to act in my
behalf as my agent in the processing of this permit application and to furnish,
upon request, supplemental information in support of the application.
n
SIGNATURE OF
4a. ACTIVITY
Routine maintenance dredging of sand and silt from plant intake on the froad.
currently permitted under permit 199404527 using a cutterhead dredge. Duke
that a long reach backhoe be allowed to access and remove sediment from the
the event the cutterhead dredge is unavailable.
4b. PURPOSE
DATE
-16 /
River. This is
Power requests
intake area in
To remove sand from intake of plant, to prevent pump fouling, which limits generation
capacity of Cliffside Steam Station.
4c. DISCHARGE OF DREDGED OR FILL MATERIAL
Approximately 25000 cubic yards of bottom sand will be removed yearly from the intake using
a cutterhead dredge. The material will be pumped to the ash basin and return water will be
discharged through a NPDES permitted outfall (NC#0005088, outfall 002). When the cutterhea
dredge is unavailable, a long reach backhoe will be positioned on top of the existing intak
dike to access the dredge area. The dike will be lowered and widened by pushing existing
rock into the upstream side of the dike. The removed sediment will be transported to the
ash basin and handled in the same manner above.
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VICINITY MAP
Cliffside Steam Station
Rutherford County, NC
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