19860200 Ver 1_COMPLETE FILE_19860428

F + p
R
State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor R. Paul Wilms
S. Thomas Rhodes, Secretary May 1, 1986 Director
Metropolitan Sewerage District
of Buncombe County
c/o Hendon Engineering Assoc., Inc.
P.O. Box 5176
Asheville, NC
Subject: Certification Pursuant to Section
401 of the Federal Clean Water Act,
Proposed Coffer dam
Metropolitan Sewerage District of
Buncombe County
_ French Broad River
Buncombe County
Dear Sir:
Attached hereto are two (2) copies of Certification No. 1911
issued to Metropolitan Sewerage District of Buncombe County dated May 1,
1986.
If we can be of further assistance, do not hesitate to contact us.
Sincerely yours,
Original Signed gy
William C. Mills
For
R. Paul Wilms
cc: Wilmington District Corps of Engineers
Asheville Regional Office
Mr. William Mills
Mr. David Owens
Pollution Prevention Pays
P.O Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

NORTH CAROLINA
Bunk County
CERTIFICATION
THIS CERTIFICATION is issued in conformity with the requirements of
Section 401 Public Laws 92-500 and 95-217 of the United States and
subject to the North Carolina Division of Environmental Management
Regulations in 15 NCAC 2H, Section .0500 to Metropolitan Sewerage
District of Buncombe County pursuant to an application filed on the 26th
day of February, 1986 to construct a temporary coffer dam in French
Broad River.
The Application provides adequate assurance that the discharge of
fill material into a wetlands area adjacent to the waters of French
Broad River in conjunction with the proposed coffer dam in Buncombe
County will not result in a violation of applicable Water Quality
Standards and discharge guidelines. Therefore, the State of North
Carolina certifies that this activity will not violate Sections 301,
302, 303, 306, 307 of PL 92-500 and PL 95-217 if conducted in accordance
with the application and conditions hereinafter set forth.
Condition(s) of Certification:
1. That the activity be conducted in such a manner
as to prevent significant increase in turbidity
outside the area of construction or construction-
related discharge (increases such that the
turbidity in the Stream is 50 NTU's or less
are not considered significant).
2. That during the construction of the coffer dawn and
sewer line piers wet concrete shall not be allowed
to make direct contact with waters of the State.
Violations of any condition herein set forth shall result in
revocation of this Certification.
This Certification shall become null and void unless the above
conditions are made conditions of the Federal Permit.
This the 1st day of May, 1986.
DIMION OF ENvIR0NMENTAL MANAGEMENT
Original Signed By
William C. Mills
For R. Paul Wilms, Director
WQC# 1911
mr S-
?Ty .ASgTFo
State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor R. Paul Wilms
S. Thomas Rhodes, Secretary May 1, 1986 Director
Metropolitan Sewerage District
of Buncombe County
c/o Hendon Engineering Assoc., Inc.
P.O.. Box 5176
Asheville, NC
Subject: Certification Pursuant to Section
401 of the Federal Clean Water Act,
Proposed Coffer dam
Metropolitan Sewerage District of
Buncombe County
French Broad River
Buncombe County
Dear Sir:
Attached hereto are two (2) copies of Certification No. 1911
issued to Metropolitan Sewerage District of Buncombe County dated May 1,
1986.
If we can be of further assistance, do not hesitate to contact us.
Sincerely yours,
Original Signed By
William C. Mills
For
R. Paul Wilms
cc: Wilmington District Corps of Engineers
Asheville Regional Office
Mr. William Mills
Mr. David Owens
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
rmatwe Action Employer

NORTH CAROLINA
Bunco a County
CERTIFICATION
THIS CmIFICATION is issued in conformity with the requirements of
Section 401 Public Laws 92-500 and 95-217 of the United States and
subject to the North Carolina Division of Environmental Management
Regulations in 15 NCAC 2H, Section .0500 to Metropolitan Sewerage
District of Buncombe County pursuant to an application filed on the 26th
day of February, 1986 to construct a temporary coffer dam in French
Broad River.
The Application provides adequate assurance that the discharge of
fill material into a wetlands area adjacent to the waters of French
Broad River in conjunction with the proposed coffer dam in Buncombe
County will not result in a violation of applicable Water Quality
Standards and discharge guidelines. Therefore, the State of North
Carolina certifies that this activity will not violate Sections 301,
302, 303, 306, 307 of PL 92-500 and PL 95-217 if conducted in accordance
with the application and conditions hereinafter set forth.
Condition(s) of Certification:
1. That the activity be conducted in such a manner
as to prevent significant increase in turbidity _
outside the area of constriction or construction-
related discharge (increases such that the
turbidity in the Stream is 50 NTU's or less
are not considered significant).
2. That during the construction of the coffer damn and
sewer Line piers wet concrete shall not be allowed
to make direct contact with waters of the State.
Violations of any condition herein set forth shall result in
revocation of this Certification.
This Certification shall become null and void unless the above
conditions are made conditions of the Federal Permit.
This the 1st day of May, 1986.
DIVISICN OF ENVIRONMENTAL MATZkGEMENT
Original Signed By
William C. Mills
For
R. Paul Wilms, Director
WQC# 1911
STATE q,
,,,p w.?ah
Qum
State of North Carolina
Department of Natural Resources and Community Development
Asheville Regional Office
James G. Martin, Governor S. Thomas Rhodes, Secretary
DIVISION OF ENVIROIZiQV`.PAL MANAGEMENT
WATER QUALITY SECTION
April 15, 1986
W.MnRANDITM
TO:
Bill Mills
Permits and Engineering
FINED
THROUGH:
Roy M. Davis, Regional Supervisor A P R I
Division of Environmental agement
1N`,VfH- 1i1A`VfY 5?'?;-r1n",±
Forrest R. Westall 0?Elrl.,.7*i z,C F, „'A"NCi i
Water Quality Regio isor
FROM: Gary T. Tweed, P.E.
Environmental Engineer
SUBJECT: 401 Certification
MSD of Buncombe County
Temporary Cofferdam French Broad River
Subject application for 401 Certification has been reviewed and found to
be acceptable. The relief interceptor to be constructed should greatly aid
in transport of wastewater in the project area. Due to high growth in the
area the project is in demand.
It is recommended that the 401 Certification be issued.
GTT:Is
Interchange Building, 59 Woodfin Place, P.O. Box 370, Asheville, N.C. 28802-0370 • Telephone [phone]
An Equal Opportunity Affirmative Action Employer
do, '?t
SAWC086-N-011-0194
DEPARTMENT OF THE ARMY
Wilmington District, Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
March 27, 1986
PUBLIC NOTICE
METROPOLITAN SEWERAGE DISTRICT OF BUNCOMBE COUNTY, c/o Hendon Engineering
Associates, Inc., Post Office Box 5176, Asheville, North Carolina, has applied
for a Department of the Army permit TO PLACE 10,000 CUBIC YARDS OF FILL
MATERIAL FOR A TEMPORARY COFFERDAM IN THE FRENCH BROAD RIVER NEAR ASHEVILLE,
Buncombe County, North Carolina.
The following description of the work is taken from data provided by the
applicant and from observations made during an onsite visit by a
representative of the Corps of Engineers. Plans submitted with the
application show a 5-mile gravity sewer relief interceptor to reduce raw
sewage overflow through existing inadequate sized sewer lines is proposed to
be built on the east bank of the French Broad River from about mile 156.5 to
about mile 161.5. Two named creeks, Ducker Creek and Dingle Creek, along with
several unnamed drains will be crossed by the pipeline placed on concrete'
piers. At one section near about mile 160, due to a rock cliff face on the
riverbank, a 1,450 linear foot stretch of pipeline will be supported on
concrete piers out in the river channel. The cofferdam will be pushed out
from land at one end of the river crossing, around the proposed work site and
back to high ground. The interior will be pumped out so that the piers and
pipe can be built. When construction is complete, the entire cofferdam will
be removed and the soil placed on a high ground disposal area.
On December 2, 1982, the Wilmington District Corps of Engineers issued
general permit No. SAWC081-N-000-0049 that authorizes the installation of
aerial and subaqueous utility lines with attendant structures to span
navigable waters of the United States in North. Carolina. Therefore, the
above-mentioned numbered permit application is concerned solely with the
temporary cofferdam.
The State of North Carolina will review this public notice to determine
the need for the applicant to obtain any required State authorization. No
Department of the Army permit will be issued until the coordinated State
viewpoint on the proposal has been received and reviewed by this agency, nor
will a Department of the Army permit be issued until the North Carolina
Division of Environmental Management has determined the applicability of a
Water Quality Certificate as required by PL 92-500.
Should the permit be issued, the Tennessee Valley Authority will require
the permittee to employ best management practices to control erosion and
sedimentation, as necessary, to prevent adverse aquatic impacts.
-2-
I( -ft
This application is being considered pursuant to Section 10 of the River
and Harbor Act of 1899 (33 U.S.C. 403). Any person may request, in writing
within the comment period specified in the notice, that a public hearing be
held to consider this application. Requests for public hearing shall state,
with particularity, the reasons for holding a public hearing.
The District Engineer has consulted the latest published version of the
National Register of Historic Places for the. presence or absence of registered
properties, or properties listed as being eligible for inclusion therein, and
this worksite is not registered property or property listed as being eligible
for inclusion in the Register. Consultation of the National Register
constitutes the extent of cultural resource investigations by the District
Engineer, and he is otherwise unaware of the presence of such resources.
Presently, unknown archeological, scientific, prehistorical, or historical
data may be lost or destroyed by work under the requested permit.
The District Engineer has determined, based on a review of data furnished
by the applicant and onsite observations, that the activity will not affect
species, or their critical habitat, designated as endangered or threatened
pursuant to the Endangered Species Act of 1973.
The decision whether to issue a permit will be based on an evaluation of
the probable impacts, including cumulative impacts, of the proposed activity
and its intended use on the public interest. Evaluation of the probable
impacts which the proposed activity may have on the public interest requires a
careful weighing of all those factors which become relevant in each particular
case. The benefits which reasonably may be expected to accrue from the
proposal must be balanced against its reasonably foreseeable detriments. The
decision whether to authorize a proposal, and if so the conditions under which
it will be allowed to occur, are therefore determined by the outcome of the
general balancing process. That decision should reflect the national concern
for both protection and utilization of important resources. All factors which
may be relevant to the proposal must be considered including the cumulative
effects thereof. Among those are conservation, economics, aesthetics, general
environmental concerns, wetlands, cultural values, fish and wildlife values,
flood hazards, flood plain values, land use, navigation, shore erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and, in general, the needs and welfare of the people. For
activities involving the placement of dredged or.fill materials in waters of
the United States, a permit will be denied if the discharge that would be
authorized by such permit would not comply with the Environmental Protection
Agencies' 404(b)(1) guidelines. Subject to the preceding sentence and any
other applicable guidelines or criteria, a permit will be granted unless the
District Engineer determines that it would be contrary to the public interest.
do - P
-3-
Written comments pertinent to the proposed work, as outlined above, will
be received in this office, Attention: Mr. Jeff Richter, until 4:15 p.m.,
April 28, 1986, or telephone [phone].
J
Wayne A. Hanson
Colonel, Corps of Engineers
District Engineer
Daman Vithalani
Acting Deputy District Engineer
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SAWCO86-N-011-0194
DEPARTMENT OF THE ARMY
Wilmington District, Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina 28402-1890
March 27, 1986
PUBLIC NOTICE
METROPOLITAN SEWERAGE DISTRICT OF BUNCOMBE COUNTY, C/o Hendon Engineering
Associates, Inc., Post Office Box 5176, Asheville, North Carolina, has applied
for a Department of the Army permit TO PLACE 10,000 CUBIC YARDS OF FILL
MATERIAL FOR A TEMPORARY COFFERDAM IN THE FRENCH BROAD RIVER NEAR ASHEVILLE,
Buncombe County, North Carolina.
The following description of the work is taken from data provided by the
applicant and from observations made during an onsite visit by a
representative of the Corps of Engineers. Plans submitted with the
application show a 5-mile gravity sewer relief interceptor to reduce raw
sewage overflow through existing inadequate sized sewer lines is proposed to
be built on the east bank of the French Broad River from about mile 156.5 to
about mile 161.5. Two named creeks, Ducker Creek and Dingle Creek, along with
several unnamed drains will be crossed by the pipeline placed on concrete'
piers. At one section near about mile 160, due to a rock cliff face on the
riverbank, a 1,450 linear foot stretch of pipeline will be supported on
concrete piers out in the river channel. The cofferdam will be pushed out
from land at one end of the river crossing, around the proposed work site and
back to high ground. The interior will be pumped out so that the piers and
pipe can be built. When construction is complete, the entire cofferdam will
be removed and the soil placed on a high ground disposal area.
On December 2, 1982, the Wilmington District Corps of Engineers issued
general permit No. SAWC081-N-000-0049 that authorizes the installation of
aerial and subaqueous utility lines with attendant structures to span
navigable waters of the United States in North. Carolina. Therefore, the
above-mentioned numbered permit application is concerned solely with the
temporary cofferdam.
The State of North Carolina will review this public notice to determine
the need for the applicant to obtain any required State authorization. No
Department of the Army permit will be issued until the coordinated State
viewpoint on the proposal has been received and reviewed by this agency, nor
will a Department of the Army permit be issued until the North Carolina
Division of Environmental Management has determined the applicability of a
Water Quality Certificate as required by PL 92-500.
Should the permit be issued, the Tennessee Valley Authority will require
the permittee to employ best management practices to control erosion and
sedimentation, as necessary, to prevent adverse aquatic impacts.
-2-
Ak- a
avr
This application is being considered pursuant to Section 10 of the River
and Harbor Act of 1899 (33 U.S.C. 403). Any person may request, in writing
within the comment period specified in the notice, that a public hearing be
held to consider this application. Requests for public hearing shall state,
with particularity, the reasons for holding a public hearing.
The District Engineer has consulted the latest published version of the
National Register of Historic Places for the presence or absence of registered
properties, or properties listed as being eligible for inclusion therein, and
this worksite is not registered property or property listed as being eligible
for inclusion in the Register. Consultation of the National Register
constitutes the extent of cultural resource investigations by the District
Engineer, and he is otherwise unaware of the presence of such resources.
Presently, unknown archeological, scientific, prehistorical, or historical
data may be lost or destroyed by work under the requested permit.
The District Engineer has determined, based on a rev ew of d t-a--furnisb u
by the applicant and onsite observations, that the activity will not affect
species, or their critical habitat, designated as endangered or threatened
pursuant to the Endangered Species Act of 1973.
The decision whether to issue a permit will be based on an evaluation of
the probable impacts, including cumulative impacts, of the proposed activity
and its intended use on the public interest. Evaluation of the probable
impacts which the proposed activity may have on the public interest requires a
careful weighing of all those factors which become relevant in each particular
case. The benefits which reasonably may be expected to accrue from the
proposal must be balanced against its reasonably foreseeable detriments. The
decision whether to authorize a proposal, and if so the conditions under which
it will be allowed to occur, are therefore determined by the outcome of the
general balancing process. That decision should reflect the national concern
for both protection and utilization of important resources. All factors which
may be relevant to the proposal must be considered including the cumulative
effects thereof. Among those are conservation, economics, aesthetics, general
environmental concerns, wetlands, cultural values, fish and wildlife values,
flood hazards, flood plain values, land use, navigation, shore erosion and
accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and, in general, the needs and welfare of the people. For
activities involving the placement of dredged or fill materials in waters of
the United States, a permit will be denied if the discharge that would be
authorized by such permit would not comply with the Environmental Protection
Agencies' 404(b)(1) guidelines. Subject to the preceding sentence and any
other applicable guidelines or criteria, a permit will be granted unless the
District Engineer determines that it would be contrary to the public interest.

-3-
Written comments pertinent to the proposed work, as outlined above, will
be received in this office, Attention: Mr. Jeff Richter, until 4:15 p.m.,
April 28, 1986, or telephone [phone].
Tttvyv'v? 4
Wayne A. Hanson
Colonel, Corps of Engineers
District Engineer
Daman Vithalani
Acting Deputy District Engineer

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DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT, CORPS OF ENGINEERS
P.O. BOX 1890
WILMINGTON, NORTH CAROLINA 28402-1890
March 27, 1986
IN REPLY REFER TO
Regulatory Branch
SUBJECT: File No. SAWC086-N-011-0194
Mr. William Mills
Water Quality Section
Division of Environmental Management
North Carolina Department of Natural
Resources and Community Development
Post Office Box 27687
Raleigh, North Carolina 27611-7687
Dear Mr. Mills:
RECEIVED
APR G 1198` TY SE WATER Qr?oNS BRACT'"
OPER
Enclosed is the application of Metropolitan Sewerage District
of Buncombe County for a Department of the Army permit and a State
Water Quality Certification to place fill materials in the waters
and wetlands of the French Broad River for construction of a
gravity sanitary sewer relief interceptor, Buncombe County, North
Carolina. Your receipt of this letter verifies your acceptance of
a valid request for certification in accordance with Section
325.2(b)(ii) of our administrative regulations.
We are considering authorization of the proposed activity
pursuant to Section 404 of the Clean Water Act, and we have
determined that a water quality certification may be required
under the provisions of Section 401 of the same law. A Department
of the Army permit will not be granted until the certification has
been obtained or waived.
In accordance with our administrative regulations, 60 days
after receipt of a request for certification is considered a
reasonable time for State action. Therefore, if your office has
not acted on the request by May 23, 1986, the District Engineer
will deem that waiver has occurred.
Questions or comments may be addressed to Mr. Jeff Richter,
telephone [phone].
Sincerely,
h esW.Hols
Chief, Regulatory Branch
Enclosure
-2-
•
k
Copies Furnished (without enclosure):
Mr. John Parker
Division of Coastal Management
North Carolina Department of
Natural Resources and
Community Development
Post Office Box 27687
Raleigh, North Carolina 27611-7687
Hendon Engineering Associates, Inc.
Post Office Box 5176
Asheville, North Carolina 28813
t Flw- APPLICATION FOR ZI a ;,/
Department of the Army Permit and/or Tennessee Valley Au hori Section 26a Approval
4
0
7
11 -11
The Department of the Army (DA) permit program is authorized by Section loaf the River and Har pr)kct of 1899 and Section 404
f
o affecting navigabler of
of The Clean (Miter Act (P.L. 95-217). These laws require permits authorizing structures and work in
?6a of the TenneuyP ley
Sectlo
ter
of the United States
l I
i
0?
nto wa
.
s
a
the Ur4iod States and the discharge of dredged or 1111 mater
`
?
?haJigatl[Eij, ontrol,
c?{i
Authority Act, as amended, prohibits the construction, operation, or maintenance of any structure •tYe

ch consl?uct ,
or public lands or reservations across, along, or in the Tennessee River or any of its tributaries until plans for su
operation, and maintenance have been submitted to and approved by the Tennessee Valley Authority (TVA).
Two sets of original drawings on 8"x101/2" tracing paper or good reproducible copies which show the location and character of the
proposed activity must be attached to this application Isee sample drawings) and be submitted to the District Commander and appro.
`
`.
ti
Ition
priate TVA office at the addresses listed below. An application that is not complete will be returns
l M
i

the
Information In the application is made a matter of public record through issuance of a public notic•11 anted
Ei
A
n,
Information requested is voluntary; however, the data requested are necessary In order to communicate with the appl• to

aluate the application. N necessary information is not provided, the application cannot be processed nor cad'* permit/aPRlovel
ev
be issued.
DA and TVA Main Office TVA Office Location Mailing Address
Commander, Nashville District 202 West Blythe Street Supv., Land and Facilities Mgmt. (West)
U.S. Army Corps of Engineer Paris, Tennessee Division of Natural Resource Operations
Post Office Box 1070 Phone: [phone] Post Office Box 280
Nashville, Tennessee 37202 Paris, TN 38242.0280
170 office Service Warehouse Supv., Lend and Facilities Mgmt. (West)
Muscle Shoals, Alabama Division of Natural Resource Operations
Phone: [phone] Office Service Warehouse
Muscle Shoals, AL 35660
Director of Land and Forest Resources 1101 Congress Parkway Supv., Land and Facilities Mgmt. (East)
Tennessee Valley Authority Athens, Tennessee Division of Natural Resource Operation
Norris, Tennessee 37828 Phone: [phone] Post Office Box 606
Athens, Tennessee 37303
2611 West Andrew Johnson Supv., Land and Facilities Mgmt. (East)
Highway Division of Natural Resource Operations
Morristown, Tennessee 2611 West Andrew Johnson Highway
Phone: [phone] Morristown, Tennessee 37814
Name and Address of Applicant Name, Address, and Title of Authorized Agent
Metropolitan Sewerage District

of Buncombe County Hendon Engineering Associate);, Inc.
P.O. Box 8969 P.O. Box 5176
Asheville, NC 28814 Asheville, NC 28813
Telephone Number Telephone Number
Home _ Home-
office 7041254-9646 office704/24-7711
Location where activity exists or will occur (include Application submitted to
Stream Name and Mile, if known) -

®No TVA Yes No
DA Yes
South French Broad from
River Mile 155.6 to Date activity is proposed to comment. 7/87
River Mile 161.2 Date activity is proposed to be completed 1287
Names, addresses, and telephone numbers of adjoining property owners, lessees, etc., whose properties also join the waterway.,
N.C. Dept. of Transportation [phone]
P.O. Box 1951
Asheville, NC 28802
Carolina Power & Light [phone]
P.O. Box 1601
Asheville, NC 28802
W.C. Hicklin [phone] The Biltmore Co.
Long Shoals Road 1 Biltmore Way
Arden, NC 28704 Asheville, NC 28803
List of previous DA/TVA permits/approvals DA TVA
Permit Number Date

DA/TVA JULY 1979
A --1 ? YEtr Na
is any portion of the activity for which authorization is sought now complete?
If answer Is "Yea" attach explanation. Month and year the activity was completed
Indicate the existing work on the drawings.
List all approvois or certifications required by other federal. Interstate, state or local agencies for any structures, construction, dia-
charges, deposits or other activities described In this application
Date of Application Date of Approval
fuuin A nc TYp• Approval Identification No. -
DNR&CD i.;., ?Cons'trultion N/A 3-1-86 Pending
Has any agency denied approval for the activity described herein or for any activity directly related to the activity described herein?
Yee ® No IN "Yes" attach explanation)
and intended use (private. Public, commercial or other) including description of
Describe in detail the proposed nativity. its purpose
the type of structures, if any to be erected on fills, or pile or flost•supported platforms, the type, composition and quantity of
materials to be discharged or dumped and means of conveyance, and the source of discharge or fill material. If additional space Is
needed, please attach additional chests.
See Attachment
1 certify that I am familiar with the information con-
Application is hereby made for approval of the activities described hereintzig;EL
tained in this application, and that to the best of my knowledge and belcu te. 1
further certify that I posse" the authority to undertake the proposed acAgent
Date
ever. It may be slgr»d by a duly authorized agent if this form Is accompanied
The application must be signed by the applicant; how
by a statement by the applicant designating the agent and agreeing to furnish upon request, supplemental information In support
of the application:
IS U. S. C. Section 1001 Provides that: Whoever, in any manner within the Jurisdiction of any department or agency of The United
States knowingly and willfully foldIles, conceals, or covers up by any trick scheme, or device a material fact of makes any false.
fictitious or fraudulent statements or representations or makes or uses any false writing or document knowing some to contain any
false, fictitious or fraudulent statement or entry, shall be fined not more than $10,000 or Imprisoned not more than five years. or
both. Do not rand a permit processing fee with this applicatlon. The appropriate DA fee will be aaaead when a permit Is Issued.
•
R
Attachment
a
The purpose of this project is to construct 5 miles of gravity sanitary sewer
relief interceptor to reduce raw sewage overflow through existing inadequate
sized sewer lines. Other than natural draw crossings, the construction involves
two significant size stream tributary crossings and one 1450 linear foot pier
supported section within the French Broad River Channel.
In River Pier Supported Section - The proposed construction will consist of
30" and 36" ductile iron pipe supported on cast-in-place concrete piers. A
temporary cofferdam constructed of approximately 10,000 cubic yards of soil
will be necessary for placement of the concrete structures. The earthen cofferdam
will be constructed with conventional heavy equipment. Beginning on one shore,
soil fill will be pushed ahead in a finger like projection until reaching the
shore again. This will create a small lagoon which will be dewatered by pumps
until the piers and pipe are placed. Upon completion, the fill material will
be removed by a large hydraulic backhoe and trucks positioned on top of the
cofferdam.
Significant Size Stream Tributaries - A 36" ductile iron pipe will cross a stream
at Station 1+10 and a 30" ductile iron pipe will cross a stream tributary at
Station 294+35. At both locations the pipes supported on piers will cross on
or about the invert of the existing stream bottom. The existing 21" ductile
iron pipe crosses at the same elevation and does not appear to have created
any significant sedimentation or blockage of stream flow. We expect any minor
debris or sediment that occurs or collects will be removed during periods of
high flow. Present low flow is not stagnating but flowing under the existing
21" pipe.
Exhibit 3
ltEl'UK'I' OI' "I'II AN7'ICI('ATf.D I.\VIKONAII_!?'I'Ai. CONSEQUENCES
RESUIhING FROA1 TIIE F-RECfJON (W THE PROPOSED STRUCTURE
Applicant must supply suffii-ient answers to the following fire questions to enable TVA to detennine if an
environmental statement is 'required pursuant to Section 102,of the National Environmental Policy Act,
Public Law 91-190.
FOR STATION 1+10 & STATION 294+35
1. What is the probable impact of the proposed structure on the environment?
Pipeline and piers may catch minor amounts of debris during periods
of low flow. Debris will probably be washed away during periods of
high flow. We expect this to be minimal.

2. Are there an), probable adverse environmental consequences which cannot be avoided?
Minor siltation during construction..
3. What are the alternatives to the proposed structure?
No cost effective alternatives.
4. What is the relationship between the local short-term uses of the environment and the maintenance of
long-term productivity which will result from the proposed structure?
Minor sedimentation and catching of debris will have insignificant
impact compared to the reduced probability of raw sewage overflow.
The installation bf this relief interceptor will reduce raw sewage
overflow.
5. Is there any irreversible or irretrievable com,-n tment of resources which would be involved by virtue of
the proposed structure?
No.
Lxhihit 3
1(F.PQlQ * TILE AN11CIPATED VNVIRVNhil NTAL CONSii( UGNCES
Ii 1;SUI "fIN(: 1'ItOA1 "I'l1E 1; j',Cl1(L l11? THE. PROPOSED STRUCTURE
Applicant must supply sufficient answers to the following five questions to enable TVA to determine if an
environmental statement is required pursuant to Section 102 of the National Environmental Policy Act.
Public Law 91-190.
FOR STATION 256+70.8 TO 273+50.0
1. What is the probable impact of the rroposed structure on the environment?
Pipeline and piers may catch small amounts of debris during periods
of low flow. Debris will probably be washed away during periods of
high flow. We expect this to be minimal since the supported pipeline
is within 30 feet of the riverbank.

2. Are there any probable adverse environmental consequences which cannot be avoided?
The construction of an earthen cofferdam will introduce additional
sediment load into the river. However, the cofferdam will be constructed
within the low velocity fringe of the river and will be removed upon
completion of the pier and pipeline construction.
3. What are the alternatives to the proposed structure?
A rock cliff face on the riverbank prevents the placement of the pipe
out of the river. There is no other feasible alternative.
4. What is the relatiunship between the local short-term uses of the environment and the maintenance of
long-term productivity which will resslt from the proposed structure?
Minor sedimentation and catching of debris will have insignificant
impact compared to the reduced probability of raw sewage overflow.
The installation of this relief interceptor will reduce raw sewage
overflow.
5. Is there any irreversible or irretrievable commitment of resources which would be involved by virtue of
the proposed structure?
No
FREIJCH
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