20180582 Ver 2_CEC response to DWR add-info Final_20190715

Staff Review
Does this application have all the attachments needed to accept it into the review process?
r Yes r No
ID#* Version* 2
20180582
Is this project a public transportation project?* r Yes
r No
Reviewer List:* Sue Homewood:eads\slhomevtood
Select Reviewing Office:* Winston-Salem Regional Office - [phone]
Submittal Type:*
Application Attachments
Does this project require a request for payment to be sent?*
r
Yes
r
No

Project Submittal Form
Please note: fields marked with a red asterisk below are required. You will not be able to submit the form until all
mandatory questions are answered.
Project Type: r New Project
r Pre -Application Submittal
r More Information Response
r Other Agency Comments
r For the Record Only (Courtesy Copy)
r Stream or Buffer Appeal
New Project - Please check the new project type if you are trying to submit a new project that needs an official approval
decision.
Pre -Application Submittal - Please check the pre -application submittal if you just want feedback on your submittal and
do not have the expectation that your submittal will be considered a complete application requiring a formal decision.
More Information Response - Please check this type if you are responding to a request for information from staff and
you have and ID# and version for this response.
Other Agency Comments - Please check this if you are submitting comments on an existing project.
Is this supplemental information that needs to be sent to the Corps?*
r Yes r No
Project Contact Information
Name: Alea Tuttle
Who is subrritting the inforrration?
Email Address: [e-mail]
Project Information
Existing ID #: Existing Version:
20180582 2
20170001 (no dashes)
Project Name: Cashiers Canoe club
Is this a public transportation project?
r Yes
r No
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
r Yes r No r Unknown
County (ies)
Jackson
Please upload all files that need to be submited.
Click the upload button or drag and drop files here to attach docurrent
CEC response to DWR 6.3.19 add -info Final.pdf 14.09MB
Only pdf or IOTz files are accepted.
Describe the attachments:

Attached is Clearwater's response and attachments to the NC DWR's June 3, 2019 Add -Info letter.
V By checking the box and signing box below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the
"Uniform Electronic Transactions Act")
o I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes
(the "Uniform Electronic Transactions Act");
o I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written
signature; AND
• I intend to electronically sign and submit the online form."
Signature:
Submittal Date: Is filled inautorretically.

CLearWater
C1earWater Environmental Consultants, Inc.
www cwenv.com
June 15, 2019
Ms. Sue Homewood
NC DWR, 401 & Buffer Permitting Unit
450 W. Hanes Mill Road, Suite 300
Winston-Salem, North Carolina 27105
RE: DWR Request for Additional Information (6/3119)
Cashiers Canoe Club
Jackson County, North Carolina
Action ID SAW -2016-00032; DWQ Project # 2018-0582v2
Dear Ms. Homewood,
Please reference the letter dated June 3, 2019 (Attachment A) sent by the NC Division of
Water Resources (DWR) in response to the permit re-application submitted by
ClearWater Environmental Consultants, Inc. (CEC) on behalf of the Cashiers Canoe Club
Development (Applicant) represented by Ms. Roseanne Giordani. The letter contains
additional comments compiled by DWR, regarding proposed impacts associated with the
maintenance dredging of the existing Cashiers Lake and associated residential
development. These items are discussed below.
Comment # 1 — "Additional information on the permanent forebay maintenance
access... in order to document avoidance and minimization, please provide more
information regarding the minimum requirements (size and/or alignment/access) for the
permanentforebay maintenance access"
The applicant needs an area approximately 150' X 75' to be used for temporary
soil storage for drying purposes. This will storage approximately 750 cy of
sediment for annual maintenance. Please see Cashiers Lake Dredging Plan, sheet
C3-00 (Attachment B). By establishing this area for future dredging staging, the
applicant is minimizing future wetland/open water impacts.
Comment #2 — "Downstream Flows. "
The NC Wildlife Commission has requested that the minimum downstream flow be
maintained at 70% of inflow to protect downstream aquatic habitat.
32 Clayton Street
Asheville, NC 28801
828-698-9800 Tel

Ms. Sue Homewood
6/15/19
Page 2 of 2
The applicant has revised the construction sequence as shown on revised Cashiers
Lake Dredging Plan, sheet C3-02 (Attachment B). The construction sequence
states, "minimum downstream flow be maintained at 70% of inflow to protect
downstream aquatic habitat."
Comment # 3 — "ORW Stormwater Requirements. "
The applicant submitted a stormwater permit application through the NC Division
of Energy, Mineral, and Land Resources State Stormwater Fast Track Process for
review on June 15, 2019.
The Applicant believes the information submitted in this letter addresses all issues
set forth by the DWR in the email dated June 3, 2019. Should you have any
questions or comments concerning this project please do not hesitate to contact
me at 828-698-9800.
Sincerely,
R. Clement Riddle, P.W.S.
Principal
ATTACHMENTS:
Attachment A — DWR Add -Info Letter (June 3, 2019)
Attachment B — Cashiers Lake Dredging Plan, Revised July 7, 2019
Attachment C - Stream & Wetland Impact Map, Figure 3 (Revised July 10, 2019)
Copy furnished:
David Brown — US Army Corps of Engineers, Asheville Field Office
Kevin Mitchell — Division of Water Resources, Asheville Regional Office
Andrea Leslie — NC Wildlife Resources Commission

Attachment A
DWR Add-Info Letter dated June 3, 2019

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
NORTH CAROLINA
Environmental Quality
June 3, 2019
DWR # 20180582 V2
Jackson County
Cashiers Canoe Club Development, LLC
Attn: Roseanne Giordani
PO Box 300849
Austin, TX 78703
Subject: REQUEST FOR ADDITIONAL INFORMATION
Cashiers Canoe Club Development and Lake Dredging
Dear Ms. Giordani:
On April 12, 2019, the Division of Water Resources — Water Quality Programs (Division) received your re-
application dated April 12, 2019, requesting a 401 Individual Water Quality Certification from the
Division for your project. Please reference your application dated April 24, 2018 and previous
correspondence between the Division and your consultant, ClearWater Environmental Consultants Inc.
The Division has determined that your application is still incomplete and cannot be processed. The
application is on -hold until all of the following information is received:
1. Additional information on the permanent forebay maintenance access
The response below is from an email correspondence submitted by ClearWater Environmental
Consultants dated April 12, 2019:
The application has been revised to include information about the forebay, including
wetland impacts associated with forebay construction. These impacts have been included
on the Stream & Wetland Impact Map, Figure 3 (Attached, revised April 12,
2019). Wetland impacts related to the forebay construction laydown yard and permanent
forebay access and maintenance have also been updated on Figure 3. Forebay wetland
impacts include:
i. 0.21 acre of wetland impact for fill associated with forebay construction.
ii. 0.36 acre of wetland impact associated with the proposed forebay laydown yard and permanent
maintenance access.
Q2�
North Carolina Department of Environmental Quality I Division of Water Resources
E512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NOFTM CAROLINA
o MaE�­ WftalfiV / 919.707.9000

Cashiers Canoe Club Development, LLC
DWR# 20180582 v2
Request for Additional Information
Page 2 of 3
In order to document avoidance and minimization, please provide more information regarding the
minimum requirements (size and/or alignment/access) for the permanent forebay maintenance
access.
2. Downstream flows
The response below is from an email correspondence submitted by ClearWater Environmental
Consultants dated April 12, 2019:
The proposed 0.5 CFS matches the previously approved and permitted plans pertaining to dam
maintenance and improvements from 2009 when the lake was drained. Inflow and outflow will be
measured by flow meters upstream at the Frank Allen culvert and downstream of the dam.
The North Carolina Wildlife Resource Commission has requested that the minimum downstream flow be
maintained at 70% of inflow to protect downstream aquatic habitat. Previous permitting actions are not
considered an adequate justification for approval of an alternative minimum release flow at this time.
Please note that the Division will include a requirement for a minimum release flow of 70% of the
inflow, as measured by the proposed inflow and outflow meters, unless you provide additional
justification and supportive evidence for an alternative minimum flow release.
3. ORW stormwater requirements
The response below is from an email correspondence submitted by ClearWater Environmental
Consultants dated April 12, 2019:
Please reference Sheet C2-00 of the revised Cashiers Lake Dredging Plan (submitted by CEC on April
12, 2019 with the "Request to Re -Apply for 401 Water Quality Certification" letter). DWQ approved
the stormwater plans for a portion of the proposed residential development, labeled as DA #1, on
May 14, 2009. The proposed hotel has been eliminated from the project, and the residential
development identified as DA #2 is planned in its place. This residential area is subject to ORW
stormwater rules. The Applicant will submit a stormwater treatment final design pending issuance
of the 401 Water Quality Certification. The proposed stormwater practice will be similar to the
already approved DA #1.
A comparison of the proposed overall master plan and the approved stormwater plan from 2009
indicates modifications to the development design. The Division requires that you submit a permit
modification request to DEMLR for DA#1 to ensure that the current project design meets ORW
Stormwater Requirements.
Pursuant to Title 15A NCAC 02H .0502(e), the applicant shall furnish all of the above requested
information for the proper consideration of the application. Please respond in writing within 30
calendar days of receipt of this letter by sending one (1) copy of all of the above requested information

Cashiers Canoe Club Development, LLC
DWR# 20180582 v2
Request for Additional Information
Page 3 of 3
to the 401 & Buffer Permitting Branch, 1617 Mail Service Center, Raleigh, NC 27699-1617 OR by
submitting all of the above requested information through this
link: https://edocs.deg.nc.gov/Forms/Supplemental-Information-Form (note the DWR# requested on
the link is referenced above).
If all of the requested information is not received within 30 calendar days of receipt of this letter, the
Division will be unable to approve the application and it will be returned. The return of this project will
necessitate reapplication to the Division for approval, including a complete application package and the
appropriate fee.
Please be aware that you have no authorization under the Water Quality Certification Rules for this
activity and any work done within waters of the state may be a violation of North Carolina General
Statutes and Administrative Code.
Please contact me at 336-776-9693 or Sue. [e-mail] if you have any questions or
concerns.
Sincerely,
DocuSigned by:
466ED631098F411...
Sue Homewood
DWR Winston Salem Regional Office
cc: Kaylie Yankura, ClearWater Environmental Consultants Inc. (via email)
David Brown, USACE Asheville Regulatory Field Office (via email)
Andrea Leslie, NCWRC (via email)
Byron Hamstead, USFS (via email)
DWR ARO 401 files
DWR 401 & Buffer Permitting Unit

Attachment B
Cashier Lake Dredging Plan
Revised July 12, 2019

0
1"=SCALE:600'
300'600'1200'
DEVELOPER
CASHIERS CANOE CLUB
DEVELOPMENT, LLC
PO BOX 300849
AUSTIN, TX 78703
ROSEANNE GIORDANI
OWNER'S REPRESENTATIVE
SILVERWING PARTNERS
TURNER INSCOE
404.545.3609
LANDDESIGN
100 SOUTH ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
CIVIL ENGINEER
VICINITY MAP
DATE: JULY 12, 2019
PROJECT TEAMSHEET INDEX
GENERAL NOTES
7/8/2019 1:50 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\PLN-COVER.DWG
JACKSON COUNTY, NC
CASHIERS TOWNSHIP
CASHIERS LAKE DREDGING PLAN
CASHIERS
LAKE
RD
(SR
1113)VAL
LEY
RD

(SR

1
1
1
4
)NC HWY 107ZEB
A
L
L
E
Y

R
D
FRAN
K
A
L
L
E
N
R
D
(
S
R
1
1
7
6
)
US 64 E
CASHIERS LAKE
CHATTOOGA RIVERSITE
SHEET NUMBER SHEET TITLE
COVER
C1-00 EXISTING CONDITIONS PLAN
C1-01 DRAINAGE AREA MAP
C2-00 OVERALL MASTER WATERSHED PLAN
C3-00 - C3-01 EROSION CONTROL PLAN
C3-02 - C3-04 EROSION CONTROL DETAILS
1.THESE DOCUMENTS COVER THE IMPROVEMENTS TO THE EXISTING CASHIERS LAKE. IMPROVEMENTS ARE TO
INCLUDE EROSION CONTROL AND GRADING. A GRADING PERMIT WILL BE OBTAINED FROM NCDENR.
2.THE CONTRACTOR IS CAUTIONED THAT THE LOCATION AND/OR ELEVATION OF EXISTING UTILITIES AS SHOWN
ON THESE PLANS ARE BASED ON RECORDS OF THE VARIOUS UTILITY COMPANIES, PREVIOUS DESIGN
DOCUMENTS, AND WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS NOT TO BE
RELIED ON AS BEING EXACT OR COMPLETE. THE LOCATION OF EXISTING UTILITIES MUST BE VERIFIED IN THE
FIELD BY THE CONTRACTOR PRIOR TO CONSTRUCTION.
3.SHOULD UNCHARTED, OR INCORRECTLY CHARTED PIPING OR OTHER UTILITIES BE ENCOUNTERED DURING
DEMOLITION, CONSULT PROJECT ENGINEER AND UTILITY OWNER FOR IMMEDIATE ACTION.
4.PRIOR TO THE COMMENCEMENT OF CONSTRUCTION, THE CONTRACTOR SHALL COORDINATE HIS ACTIVITIES
WITH ALL UTILITY COMPANIES SERVING THIS AREA. THE CONTRACTOR IS TO COORDINATE FULLY WITH THE
UTILITY COMPANIES ON THE EXACT LOCATION OF ALL UNDERGROUND UTILITIES PRIOR TO DEMOLITION,
CONSTRUCTION, AND EXCAVATION.
5.CONTRACTOR SHALL VERIFY AND PROTECT ALL PUBLIC UTILITIES. ANY WORK ASSOCIATED WITH UTILITIES TO
BE COORDINATED WITH APPROPRIATE UTILITY COMPANY.
6.THE CONTRACTOR SHALL IMMEDIATELY REPORT TO THE OWNER AND ENGINEER ANY DISCREPANCIES FOUND
BETWEEN ACTUAL FIELD CONDITIONS AND CONSTRUCTION DOCUMENTS AND SHALL WAIT FOR INSTRUCTIONS
PRIOR TO PROCEEDING.
7.PRIOR TO BEGINNING CONSTRUCTION THE CONTRACTOR IS RESPONSIBLE TO VERIFY THAT ALL REQUIRED
PERMITS AND APPROVALS HAVE BEEN OBTAINED FROM ALL REGULATORY AUTHORITIES AND SHALL BE
THOROUGHLY FAMILIAR WITH CONDITIONS OF SAID PERMITS AND INSPECTION REQUIREMENTS.
8.THE CONTRACTOR SHALL CONTACT ALL OWNERS OF EASEMENTS, UTILITIES AND RIGHT-OF-WAYS, PUBLIC OR
PRIVATE, PRIOR TO WORKING IN THESE AREAS.
9.THE CONTRACTOR SHALL BE RESPONSIBLE FOR DAMAGE TO ANY EXISTING ITEM AND/OR MATERIAL INSIDE OR
OUTSIDE THE CONSTRUCTION LIMITS.
10.CONTRACTOR SHALL MAINTAIN THE SITE IN A MANNER SO THAT WORKMEN AND PUBLIC ARE PROTECTED
FROM INJURY.
11.LANDDESIGN SHALL NOT BE IN CONTROL OR CHARGE OF, AND SHALL NOT BE RESPONSIBLE FOR ACTUAL
CONSTRUCTION MEANS, METHODS, TECHNIQUES, PROCEDURES, OR SAFETY PRECAUTIONS IN CONNECTION
WITH THE WORK, OR FOR THE ACTS OR OMISSIONS OF CONTRACTORS OR ANY OTHER PERSONS NOT UNDER
THE EMPLOYMENT OF LANDDESIGN.
12.DEMOLITION WORK SHALL NOT COMMENCE UNTIL GRADING PERMIT HAS BEEN ISSUED.
13.THE CONTRACTOR SHALL VERIFY THE NATURE AND CONDITIONS OF THE SITE.
14.ALL WORK SHALL COMPLY WITH LOCAL, STATE, AND FEDERAL RULES AND REGULATIONS AND SHALL BE
SUBJECT TO INSPECTION AT ANY TIME BY REPRESENTATIVES OF THE OWNER, THE ENGINEER, AND THE N.C.
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES.
15.ALL CONSTRUCTION SHALL BE SUBJECT TO TESTING AND PERFORMANCE CHECKS BY THE ENGINEER AND
REGULATORY AGENCIES.
RAY WAUGH FOR REVIE
W
ONLY
THE PROPOSED PROJECT SCHEDULE FOR DREDGING CASHIERS LAKE DAM IS TO BEGIN CONSTRUCTION ON
APRIL 15, 2020 AND END BY LATE JUNE 2020. THE SCHEDULE IS IN PLACE TO ACCOMMODATE THE TROUT
WATERS AND SPAWNING SEASON. THE RESERVOIR WILL BE FILLED BACK TO NORMAL WATER SURFACE
ELEVATION DURING THE END OF CONSTRUCTION BUT BEFORE JUNE 30, 2020.
XXXX
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LAKE
RD

(SR
1113
)
LEHN
CAFE FAMILY LTD
PARTNERSHIP
REAL
E
S
T
A
T
E
INTER
E
S
T

L
L
C
MORRIS
CANOE POINT LLC SALTMARSH
CANOE POINT LLC
CASHIERS VILLAGE LLC
JR MANAGEMENT LLCVALLE
Y

R
D

(
S
R

1
1
1
4
)
ROGERS
ROGERS
CASHIERS
DEVELOPMENT LLC
JACKSON COUNTY
JACKSON COUNTYFRANK ALLEN RD(SR 1176)BUMGARNER
WHITEPOTTS MCCARLEY
COLLINS
MARSTON CASHIERS VILLAGE LLC
HOLLEY
McCALL
WHELAN ZEB ALLEY RD350
6
KINSEY
C
A
S
H
I
E
R
S

L
A
K
E

R
D

(
S
R

1
1
1
3
)
TUCKASEIGEE WATER
& SEWER AUTHORITY
OUTPARCEL
NEWTON
COMMANDER LEHN LLCTHE VILLAGEGREEN OFCASHIERSGNAR
L
E
Y
W
A
Y
L
INGER

LN
GETA
L
O
N
G
T
R
L
CROOKED HOUSE RD346234643466346834703510
3490
350
2
34663498
349
4
3470
3462
347
43478 3458
CHATTOOGA RIVERFM
FMFMFMFMFMFM FMFMFMFMFMFMFM FM
FM
FM
FM
FM FM
FM
FM
3464
3466
34623470
34903484
3488
3458
3456
3456
34543452
3500
3510
3490
CASHIERS
DEVELOPMENT LLC OUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHOUHEXIST. SANITARY
SEWER (TYP)
TWO (2) EXIST.
ELLIPTICAL
81"x 59" CMP
INV. OUT ±3,476'
EXIST. MANOR
HOUSE
EXIST. 20' SANITARY
SEWER EASEMENT
EXIST. 40' SANITARY
SEWER EASEMENT
EX
I
S
T
.

P
O
N
D
30' ORW
BUFFER (TYP)
EXIST. LAKE EDGE
EXIST. BUILDING
(TYP)
EXIST. 20' SANITARY
SEWER EASEMENT
EXIST. 16' SANITARY
SEWER EASEMENT
PROJECT BOUNDARY
EXIST. 20' ACCESS
EASEMENT
EXIST. FORCEMAIN
(TYP)
EXIST. GRAVEL
(TYP)
EXIST. TREE LINE
30' ORW
BUFFER (TYP)
EXIST. OVERHEAD
UTILITIES (TYP)
30' ORW
BUFFER (TYP)3462CASHIE
R
S

L
A
K
E

R
D
(SR 11
1
3
)
EXIST. GRAVEL ROAD
(WIDTH VARIES)
3468
TEMP. 15
"

R
C
P

@

0
.
50%
EXIST. GRAVEL ROAD
(WIDTH VARIES)
SS
SSSSSS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SSSSSSSSSSSSSS
SS
SS
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSEXIST. PRIVATE WELL
EXIST. BUILDING
(TYP)
EXIST. BUILDING
(TYP)
EXIST. WOODED AREA
30' ORW
BUFFER (TYP)3458
3454
3450
3460
3486
3484
3482351035103476
3478
3474347234603462
34643468347
6 347
8 3480 3482 3484 3486 3488 3490
EXIST. STREAM (TYP)
LEGEND
PROJECT BOUNDARY
EXIST. PROPERTY LINE/ROW
EXIST. EASEMENT
EXIST. STREAM
EXIST. MAJOR CONTOUR
EXIST. MINOR CONTOUR
3470
3471
30' ORW BUFFER
EXIST. WETLANDS
EXIST. TREE LINE
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
CASHIERS TOWNSHIP
JACKSON COUNTY, NCFOR REVIE
W
ONLY
EXISTING CONDITIONS PLAN
N/A
RRW
MBT
MBT
C1-00
10/26/2018 7:46 AM MARK TAYLOR N:\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\PLN-EXIST CONDITIONS.DWG
0
1"=100'
50'100'200'
EXIST. WETLANDS (TYP)
EXIST. WETLANDS
(TYP)
1998-PRESENT
SURVEYED SEDIMENT
ENCROACHMENT INTO
CASHIERS LAKE
EXIST. WALL
(TYP)
CALL 1-800-632-4949
N.C. ONE-CALL CENTER
BEFORE YOU DIG!
IT'S THE LAW!
NOTE: CONTRACTOR TO NOTIFY ENGINEER OF
ANY DISCREPNCIES IN EXISTING CONDITIONS OR
DESIGN (INCLUDING EXISTING TOPO, INVERT
ELEVATIONS, DETAILS, ETC.) PRIOR TO
COMMENCEMENT OF WORK. INFORMATION
WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED
ACCURATE UNTIL FIELD VERIFICATION.
1951-1998
SURVEYED SEDIMENT
ENCROACHMENT INTO
CASHIERS LAKE
30' ORW
BUFFER (TYP)
30' ORW
BUFFER (TYP)
0+002+004+006+008+0010+0012+00 14+00 16+0018+0020+0
0 22+00 24+00 26+00 28+00
30+00
32
+
0
0
34+00 36+0038+00 40
+
0
0
42+0044+00
46+0048+005
0
+
0
0
5
2
+
0
0
54+00 56+00
58+0060
+
0
0
6
2
+
0
0
64+00
66+0068+0070+00
7
2
+
0
0
7
4
+
0
0
76+0078
+
0
0
80
+
0
0
82+0084+0086
+
0
0
88+00 90+00
92+009
4
+
0
0
96+0098+00100+00102+00104+00
104+63
DRAINAGE AREA MAP
N/A
RRW
MBT
MBT
C1-01
7/8/2019 1:51 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\PLN-DRAINAGE AREA.DWG
0
1"=500'
250'500'1000'
DRAINAGE AREA SUMMARY:
TOTAL DRAINAGE AREA: 671.91 ACRES
TC HAS BEEN CALCULATED TO BE 1.0439 HOURS
TIME OF CONCENTRATION SUMMARY
SHEET FLOW
SHALLOW CONCENTRATED FLOW
TYPE LENGTH TIME
100'
707'
903'
2296'
0.4665 HRS
0.0376 HRS
0.0377 HRS
0.0813 HRS
SLOPE
2.0%
10.5%
9.06%
11.5%
CN BREAK DOWN
WATER
RESIDENTIAL 2 ACRE
TYPE CN
98
65
AREA (AC)
18.00
42.45
CHANNEL FLOW SEGMENT #1
RESIDENTIAL 1 ACRE
COMMERCIAL AND BUSINESS
WOODS GOOD
TOTAL
68
92
55
137.59
78.64
358.35
671.8164.11
OPEN SPACE GOOD 61 36.78
TOTAL 1.0439 HRS
CHANNEL FLOW SEGMENT #2
CHANNEL FLOW SEGMENT #3 6422'0.4209 HRS14.6%
SOIL TYPES
SYMBOL NAME SOIL GROUP
A
A
B/D
EdD
CdE
NkA
SyA
EDNEYVILLE -CHESTNUT
CHANDLER GRAVELY FINE SANDY LOAM
B
NIKWASI FIN SANDY LOAM
SYLVA, WHITESIDE
DRAINAGE AREA
TO DUAL CMPs AT
FRANK ALLEN RD
517 ac
CASHIERS
LAKE
3904
3828
3983
3564
SEG. #1
CHANNEL FLOW
SEG. #2
CHANNEL FLOW
SEG. #3
CHANNEL FLOW
SEG. #1
SHEET FLOW
3471
CALL 1-800-632-4949
N.C. ONE-CALL CENTER
BEFORE YOU DIG!
IT'S THE LAW!CASHIERS
LAKE
RD
(SR
1113)VAL
LEY
RD

(SR

1
1
1
4
)NC HWY 107ZEB
A
L
L
E
Y

R
D
FRAN
K
A
L
L
E
N
R
D
(
S
R
1
1
7
6
)
US 64 E
CHATTOOGA RIVERSITE
DRAINAGE AREA TO EX
ELLIPTICAL CMP = 518
Ac
DUAL 81"x59" CMP
FLOWLINE ELEV: ~3,480.00
TOTAL DRAINAGE AREA
671.8 ac
NOTE: CONTRACTOR TO NOTIFY ENGINEER OF
ANY DISCREPNCIES IN EXISTING CONDITIONS OR
DESIGN (INCLUDING EXISTING TOPO, INVERT
ELEVATIONS, DETAILS, ETC.) PRIOR TO
COMMENCEMENT OF WORK. INFORMATION
WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED
ACCURATE UNTIL FIELD VERIFICATION.
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NCFOR REVIE
W
ONLY
1 10.01.18NCDENR
2 07.12.19NCDENR
CHATTOOGA RIVERFRANK ALLEN RD(SR 1176)XXX
30' ORW
BUFFER (TYP)
30' ORW
BUFFER (TYP)
30' ORW
BUFFER (TYP)
EXIST. WETLANDS TO
BE PROTECTED
EXIST. WETLANDS TO
BE PROTECTED
30' ORW BUFFER CASHIERS LAKE RD(SR 1113)30' ORW
BUFFER (TYP)
PROP. 80' BRIDGE CROSSING
80' LONG, 14' WIDE ONE WAY PIER
SUPPORTED WOODEN BRIDGE
PROP. 80' BRIDGE CROSSING
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NCFOR REVIE
W
ONLY
1 10.01.18NCDENR
2 07.12.19NCDENR
0
1"=100'
50'100'200'
CALL 1-800-632-4949
N.C. ONE-CALL CENTER
BEFORE YOU DIG!
IT'S THE LAW!
OVERALL MASTER
WATERSHED PLAN
N/A
C2-00
7/8/2019 1:51 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\CAD\CONSTRUCTION DOCUMENTS\PLN-WATERSHED.DWG
NOTE: CONTRACTOR TO NOTIFY ENGINEER OF
ANY DISCREPNCIES IN EXISTING CONDITIONS OR
DESIGN (INCLUDING EXISTING TOPO, INVERT
ELEVATIONS, DETAILS, ETC.) PRIOR TO
COMMENCEMENT OF WORK. INFORMATION
WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED
ACCURATE UNTIL FIELD VERIFICATION.
NEWTON
OUTPARCEL
CASHIERS LAKE
±23.81 AC
DA DRAINAGE
AREA (AC)LAND USE
NEW
IMPERVIOUS
(AC PER PLAN)
IMPERVIOUS
(WQ DESIGN
BUA)
WATER QUALITY
TREATMENT
REQUIREMENTS
WATERSHED
CHATOOGA
RIVER
PERMIT
1 13.44 RESIDENTIAL -4.03 (30%)1.0" (HIGH
DENSITY)(ORW)FUTURE
2 28.45 RESIDENTIAL -8.54 (30%)1.0" (HIGH
DENSITY)(ORW)FUTURE
3 9.76
COMMERCIAL
/RESIDENTIAL/
RESORT
-2.93 (30%)1.0" (HIGH
DENSITY)(ORW)FUTURE
4 8.19
COMMERCIAL
/RESIDENTIAL/
RESORT
-2.46 (30%)1.0" (HIGH
DENSITY)(ORW)FUTURE
5 0.83 OFFICE /
COMMERCIAL -0.25 (30%)1.0" (HIGH
DENSITY)(ORW)FUTURE
GENERAL INFORMATION:
1.TOTAL PARCEL - 89.34 ACRES
2.DEVELOPER: CANOE CLUB DEVELOPMENT, LLC
PO BOX 3008049
AUSTIN, TX 78703
3.SEWAGE DISPOSAL SHALL BE BY (TWSA) TUCKASEIGEE
WATER AND SEWER AUTHORITY.
4.THIS SITE IS WITHIN THE CHATTOOGA RIVER BASIN AND
IS CLASSIFIED AS OUTSTANDING RESOURCE WATERS.
5.THIS MAP IS FOR MASTER PLAN WATERSHED USE ONLY.
ALL INDIVIDUAL SITE DEVELOPMENT SHALL SUBMIT
PERMIT APPLICATIONS WITH DETAILED DESIGN OF
EROSION CONTROL AND WATERSHED DEVICES IN
ACCORDANCE WITH THIS PLAN.
6.SOIL TYPES INCLUDE: EdC, EdD, NkA, SyA, W, WtB
7.THE GOVERNMENT OFFICE HAVING JURISDICTION FOR
WATERSHED PROTECTION AND THEIR ASSIGNS WILL
HAVE THE RIGHT OF ACCESS TO ALL PERMANENT WET
DETENTION AND/OR ALL WATER QUALITY BMP'S FOR
INSPECTIONS AND MAINTENANCE ENFORCEMENT.
8.THE PROPERTY OWNER WILL BE RESPONSIBLE FOR
MAINTAINING THE COMPLETED PERMANENT DETENTION
AND/OR WATER QUALITY BMP'S AS DIRECTED BY THE
GOVERNMENTAL OFFICE HAVING JURISDICTION FOR
WATERSHED PROTECTION.
9.THE PERMANENT DETENTION AND ALL WATER QUALITY
BMP'S SHALL HAVE FULL DESIGN VOLUME AVAILABLE
PRIOR TO ANY ISSUANCE OF CERTIFICATES FOR
OCCUPANCY FOR SITE AND/OR PRIOR TO ANY PLAT
RECORDATION FOR THE SITE. THIS MAY REQUIRE THE
CLEANOUT AND DISPOSAL OF SEDIMENT, ETC.
10.THE CONTRACTOR SHALL SCHEDULE A PRE
CONSTRUCTION MEETING WITH THE LOCAL
WATERSHED ENGINEER, WHEN A PERMANENT
DETENTION AND/OR A WATER QUALITY BMP HAS BEEN
CLEARED AND THE BMP HAS BEEN FIELD STAKED.
11.IMPERVIOUS AREA TO BE BALANCED OVER ENTIRE SITE
AND NOT TO EXCEED 50% OVERALL IMPERVIOUS.
±4.41 AC OF EXIST. WETLANDS
NOT DISTURBED
COS
COSPROP. WELL
EASEMENT (TYP)
EX. PROPERTY
LINE (TYP)
PROP. WELL
EASEMENT (TYP)COSWELL #2
WELL #1
R100.00'
EX
EX
EXEXEX
PROP. COMMUNAL INFILTRATION #12
FUTURE DEVELOPMENT AREA #5
OFFICE/COMMERCIAL
AREA: 0.83 ACRES
IMPERVIOUS: 0.25 ACRES
PERCENT IMPERVIOUS: 30%
FUTURE DEVELOPMENT AREA #2:
HIGH DENSITY RESIDENTIAL
AREA: 28.45 ACRES
IMPERVIOUS: 8.54 ACRES
PERCENT IMPERVIOUS: 30%
FUTURE DEVELOPMENT AREA #3
HIGH DENSITY RESIDENTIAL
AREA: 9.76 ACRES
IMPERVIOUS: 2.93 ACRES
PERCENT IMPERVIOUS: 30%
FUTURE DEVELOPMENT AREA #4
HIGH DENSITY
RESIDENTIAL/RESORT/COMMERCIAL
AREA: 8.19 ACRES
IMPERVIOUS: 2.46 ACRES
PERCENT IMPERVIOUS: 30%
FUTURE DEVELOPMENT AREA #1
HIGH DENSITY
RESIDENTIAL/RESORT/COMMERCIAL
AREA: 13.44 ACRES
IMPERVIOUS: 4.03 ACRES
PERCENT IMPERVIOUS: 30%
PROP. UNDGERGROUND
TREATMENT BMP #2
D.A. = 28.45 AC
IMP. = 8.54 AC
PROP. UNDGERGROUND
TREATMENT BMP #2
D.A. = 13.44 AC
IMP. = 4.03 AC
PROP. UNDGERGROUND
TREATMENT BMP #5
D.A. = 0.83 AC
IMP. = 0.25 AC
PROP. UNDGERGROUND
TREATMENT BMP #4
D.A. = 8.19 AC
IMP. = 2.46 AC
PROP. UNDGERGROUND
TREATMENT BMP #3
D.A. = 9.76 AC
IMP. = 2.93 AC
XXXX
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SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSTD->TD->TD->TD->TD->TD-
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TD->TD->TD->TD->TD->
TD->
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3468
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3468
3472
3474
3478 CASHIERS
LAKE
RD

(SR
1113
)
LEHN
CAFE FAMILY LTD
PARTNERSHIP
REAL
E
S
T
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T
E
INTER
E
S
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L
L
C
MORRIS
CANOE POINT LLC SALTMARSH
CANOE POINT LLC
CASHIERS VILLAGE LLC
JR MANAGEMENT LLCVALLE
Y

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(
S
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1
1
1
4
)
ROGERS
ROGERS
CASHIERS
DEVELOPMENT LLC
JACKSON COUNTY
JACKSON COUNTYFRANK ALLEN RD(SR 1176)BUMGARNER
WHITE
POTTS
MCCARLEY
COLLINS
MARSTON CASHIERS VILLAGE LLC
HOLLEY
McCALL
WHELAN ZEB ALLEY RDKINSEY
C
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L
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R
D

(
S
R

1
1
1
3
)
TUCKASEIGEE WATER
& SEWER AUTHORITY
OUTPARCEL
NEWTON
COMMANDER LEHN LLCTHE VILLAGEGREEN OFCASHIERSGNAR
L
E
Y
W
A
Y
L
INGER

LN
GETA
L
O
N
G
T
R
L
CROOKED HOUSE RDCHATTOOGA RIVERCASHIERS
DEVELOPMENT LLC
EXIST. SANITARY
SEWER (TYP)
TWO (2) EXIST.
ELLIPTICAL
81"x 59" CMP
EXIST. MANOR
HOUSE
EXIST. 20' SANITARY
SEWER EASEMENT
EXIST. 40' SANITARY
SEWER EASEMENT
EXIST. STREAM (TYP)
EX
I
S
T
.

P
O
N
D
30' TROUT
BUFFER (TYP)
EXIST. LAKE EDGE
EXIST. BUILDING
(TYP)
EXIST. 20' SANITARY
SEWER EASEMENT
EXIST. 16' SANITARY
SEWER EASEMENT
PROJECT BOUNDARY
EXIST. 20' ACCESS
EASEMENT
EXIST. FORCEMAIN
(TYP)
EXIST. GRAVEL
(TYP)
EXIST. TREE LINE
30' TROUT
BUFFER (TYP)
EXIST. OVERHEAD
UTILITIES (TYP)
30' TROUT
BUFFER (TYP)
CASHIE
R
S

L
A
K
E

R
D
(SR 11
1
3
)
EXIST. GRAVEL ROAD
(WIDTH VARIES)
TEMP. 15
"

R
C
P

@

0
.
50%
EXIST. GRAVEL ROAD
(WIDTH VARIES)
EXIST. BUILDING
(TYP)
EXIST. BUILDING
(TYP)
EXIST. WOODED AREA
30' TROUT
BUFFER (TYP)
LEGEND
PROJECT BOUNDARY
EXIST. PROPERTY LINE/ROW
EXIST. EASEMENT
EXIST. STREAM
EXIST. MAJOR CONTOUR
EXIST. MINOR CONTOUR
DENUDED LIMITS
PROP. SILT FENCE
3470
3471
PROP. MINOR CONTOUR 3471
PROP. MAJOR CONTOUR 3470
EXIST. WETLANDS
30' ORW BUFFER
EXIST. TREE LINE
TEMP. DIVERSION DITCH TD->TD->
PROP. TURBIDITY CURTAIN
0
1"=100'
50'100'200'
DENUDED LIMITS
AREA - 15.29 AC
TEMP. DUAL 48" CMP
30 LF @ MIN 1.0%
EXIST. DOCK TO
BE REMOVED
PROP. BULKHEAD
TOP OF WALL ±3474'
PROP. BULKHEAD
TOP OF WALL ±3474'
PROP. BULKHEAD
TOP OF WALL ±3474'
PROP. 15' CONSTRUCTION
ACCESS ROAD (TYP)
SINGLE ROW SILT
FENCE (TYP)
SUPER SILT
FENCE (TYP)
CALL 1-800-632-4949
N.C. ONE-CALL CENTER
BEFORE YOU DIG!
IT'S THE LAW!
ESTABLISH NEW BASE CHANNEL.
TEMP. DIVERSION DITCH #1
(SEE SHEET C3-04 FOR DETAIL)
EXIST. GRAVEL DRIVE
EXIST. GRAVEL DRIVE
EXIST. WETLANDS
TO REMAIN
IMPACT #3 - PROP. BULKHEAD
& WETLAND FILL 0.10 AC
PROP. 15' CONSTRUCTION
ACCESS ROAD (TYP)
PROP. NON-TREATED TIMBER
MATTING OR RIP RAP FOR
TEMPORARY CAUSEWAY AS
NEEDED TO ACCESS ALL
DREDGING AREAS (TYP)
TO BE REMOVED AFTER DREDGING
PROP. TURBIDITY
CURTAIN (TYP)
FILL VOLUME
APPROX. 22,500 CY
IMPACT #13
PROP. WETLAND FILL
(1951-1998) - 0.36 AC
IMPACT #2 - PROP.
BULKHEAD & OPEN
WATER FILL - 0.52 AC
IMPACT #5 - PROP.
BULKHEAD & OPEN
WATER FILL - 0.87 AC
IMPACT #9
PROP. WETLAND FILL
(1951-1998) - 0.03 AC
IMPACT #11
PROP. BULKHEAD &
WETLAND FILL
(1951-1998) - 0.21 AC
TEMP. SEDIMENT BASIN #1
TOTAL DA - 10.34 AC
DENUDED DA - 6.11 AC
PROP. BAFFLE (TYP)
PROP. 24'
STONE WEIR
EXIST. WALL TO
BE REMOVED
DENUDED LIMITS
AREA - 3.58 AC
FILL VOLUME
APPROX. 5,000 CY
FILL VOLUME
APPROX. 9,000 CY
EROSION CONTROL PLAN
N/A
RRW
MBT
MBT
C3-00
7/8/2019 1:51 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\PLN-EROSION CONTROL.DWG
FILL VOLUME
APPROX. 1,000 CY
IMPACT #10 - PROP. DREDGING
WETLAND (1951-1998) - 5.28 AC
EXIST. WETLANDS
(TYP)
PROP. MATTING
FOR STABILIZATION
TEMP. DIVERSION
DITCH #2 (SEE SHEET
C3-04 FOR DETAIL)
TEMP. DIVERSION
DITCH #4 (SEE SHEET
C3-04 FOR DETAIL)
TEMP. DIVERSION
DITCH #5 (SEE SHEET
C3-04 FOR DETAIL)
DREDGE CUT VOLUME
APPROX. 37,000 CY
1998-PRESENT
SURVEYED SEDIMENT
ENCROACHMENT INTO
CASHIERS LAKE
TSB #1 DRAINAGE AREA
BOUNDARY 10.34 AC
PROP. TURBIDITY
CURTAIN (TYP)
MATERIAL HAUL PATH
NON-TREATED TIMBER
MATTING OR RIP RAP AS
NEEDED TO CONNECT
DREDGE AREA TO FILL AREA
MATERIAL HAUL PATH
NON-TREATED TIMBER
MATTING OR RIP RAP AS
NEEDED TO CONNECT
DREDGE AREA TO FILL AREA
TEMP. SEDIMENT
BASIN #2
TOTAL DA - 6.53 AC
DENUDED DA - 2.91 AC
PROP. 14'
STONE WEIR
TSB #2 DRAINAGE AREA
BOUNDARY 6.53 AC
DUAL 48" CMP
30 LF @ MIN 1.0%
TEMP. DIVERSION
DITCH #6 (SEE SHEET
C3-04 FOR DETAIL)
TEMP. DIVERSION
DITCH #7 (SEE SHEET
C3-04 FOR DETAIL)
NOTE: CONTRACTOR TO NOTIFY ENGINEER OF
ANY DISCREPNCIES IN EXISTING CONDITIONS OR
DESIGN (INCLUDING EXISTING TOPO, INVERT
ELEVATIONS, DETAILS, ETC.) PRIOR TO
COMMENCEMENT OF WORK. INFORMATION
WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED
ACCURATE UNTIL FIELD VERIFICATION.
TEMP. DIVERSION
DITCH #3 (SEE SHEET
C3-04 FOR DETAIL)
EXIST. DOCK TO
BE REMOVED
PROP. BULKHEAD
TOP OF WALL ±3472'
CASHIERS LAKE
NORMAL POOL ELEV. ±3471'
END OF
BULKHEAD
END OF
BULKHEAD
PROP. SILT FENCE (TYP)
FOREBAY
0.21 AC OF STABILIZED
GRAVEL ROAD BED TO
REMAIN IN PLACE AT AN
ELEV. OF ±3,469' FOR
MAINTENANCE OF FOREBAY
NOTE: CULVERTS AT THE ROAD CROSSINGS
THE CULVERTS SHALL BE RCP TO PROVIDE
MOVEMENT OF AQUATIC LIFE. SUFFICIENT
WATER DEPTH SHOULD BE MAINTAINED IN
ALL FLOW REGIMES SO AS TO
ACCOMMODATE BOTH THE UPSTREAM AND
DOWNSTREAM MOVEMENT OF AQUATIC
SPECIES. WATER DEPTH INSIDE THE
CULVERT MUST BE ADEQUATE FOR FISH TO
BE COMPLETELY IMMERSED AND ALL OTHER
AQUATIC LIFE TO MOVE FREELY. THE
CULVERT SHALL BE INSTALLED AT THE SAME
SLOPE AS THE STREAM GRADE TO MAINTAIN
AN ACCEPTABLE WATER VELOCITY FOR
AQUATIC LIFE PASSAGE AND FOR STREAM
SUBSTRATE CHARACTERISTICS TO BE
RETAINED WITHIN THE CULVERT.
THE PROPOSED PROJECT SCHEDULE FOR DREDGING CASHIERS LAKE DAM IS TO BEGIN
CONSTRUCTION ON APRIL 15, 2019 AND END BY LATE JULY 2019. THE SCHEDULE IS IN PLACE
TO ACCOMMODATE THE TROUT WATERS AND SPAWNING SEASON. THE RESERVOIR WILL BE
FILLED BACK TO NORMAL WATER SURFACE ELEVATION DURING THE END OF CONSTRUCTION
BUT BEFORE JULY 31, 2019.
IMPACT #1 - PROP. OPEN
WATER DISTURBANCE - 3.34 AC
1951-1998
SURVEYED SEDIMENT
ENCROACHMENT INTO
CASHIERS LAKE
EXIST.
GRAVEL
IMPACT #12 - PROP. DREDGING
WETLAND (1998-PRESENT) - 1.15 AC
30' ORW
BUFFER (TYP)
40'
PROP. WELL
PROP. AREA OF DISTURBANCE
FOR LAYDOWN YARD, FOREBAY CONSTRUCTION
AND MAINTENANCE ACCESS
APPROXIMATELY 150' X 70' SOIL TRANSITION AREA
USED FOR DRYING AND TEMPORARY SOIL
STORAGE. APPROXIMATELY 750 CY CAPACITY
INTENDED FOR ANNUAL MAINTENANCE OF
REMOVAL OF EXCESS SEDIMENT FROM FOREBAY.
PROP. FOREBAY ACCESS
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NCFOR REVIE
W
ONLY
1 10.01.18NCDENR
2 07.12.19NCDENR
FMFMFM FM
FM FM
FM
FM
FM
FM
FM
-
0
+
3
1
0
+
0
0
1+00
2+00
EROSION CONTROL PLAN
1"=2'
RRW
MBT
MBT
C3-01
7/8/2019 1:51 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\PLN-DAM.DWG
0
1"=
10'20'40'
20'
CASHIERS LAKE
CAS
HIE
RS L
A
K
E
R
O
A
D (
S
R 1113)
EX. T
OP
OF
D
A
M
EL
E
V
ATI
O
N = 3476.3(TAKEN
AT B
RI
D
G
E)
EXISTING
GRAVEL
GNARLEY WAYEXISTING GROUND
EXISTING ROCK
EXIS
TI
N
G
D
A
M
M
AI
N
T
E
N
A
N
C
E
E
A
S
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T
92.4 LF OF
EXISTING 48"
PCCP @ 2.30%
EXISTING 6' DIAMETER
PRECAST CONCRETE
MANHOLE
RIM:3472.50
INV. IN: 3460.3
INV. OUT: 3460.3
EXISTING CULVERT
BEDDED ON A
CONCRETE PIPE CRADLE
87.5 LF OF
EXISTING 48"
PCCP @ 2.30%EXISTING 6' X 6'
PRECAST CONCRETE
RISER BOX
RIM: 3471.5
INV. OUT: 3462.31
EXISTING TUCKASEGEE WATER & SEWER
AUTHORITY 8" FORCE MAIN (FIELD LOCATED)
EXISTING WING WALL
W/ SPLASH PAD
INV. : 3458.17
31 LF OF EXISTING 18" DIP
EMERGENCY DEWATERING PIPE
INV. IN: 3462.31
EXISTING CONTECH A-JACKS
ENERGY DISSIPATER
EXISTING 18" DIP PIPE
SHALL BE BEDDED ON A
CONCRETE PIPE CRADLE
EXISTING 1" PVC COLD
WATER RELEASE PIPE
SHALL BE BEDDED ON A
CONCRETE PIPE CRADLE
30 LF OF EXISTING 1" PVC COLD
WATER RELEASE PIPE
INV. IN: 3463.31
WAVE PROTECTION
LAKE ASSOCIATION INC
CASHIERS CANOE
CLUB DEVELOPMENT
CASHIERS CANOE
CLUB DEVELOPMENT
-1+00
VERTICAL SCALE: 2 FEET PER INCH
EXISTING GROUND
HORIZONTAL SCALE: 20 FEET PER INCH
EXISTING DAM CHANNEL PROFILE
1+00 2+000+00
EXISTING ROCK
EXISTING ROCK
EXISTING
GROUND
LAKE NWSE 3471
31 LF OF EXISTING 18" DIP
EMERGENCY DEWATERING PIPE
INV. IN: 3462.31
APPROXIMATE LAKE BOTTOM 3462.31
EXISTING
TRASH RACK
87.5 L
F

O
F

E
X
I
S
T
I
N
G

4
8
"

P
C
C
P

@

2
.
3
0
%
EXISTING 6' X 6'
PRECAST CONCRETE
RISER BOX
INV. OUT: 3462.31
FILTER DRAINAGE
DIAPHRAGM
EXISTING CULVERT
SHALL BE BEDDED ON A
CONCRETE PIPE CRADLE
EXISTING 6' DIAMETER
PRECAST CONCRETE MANHOLE
RIM: 3472.50
INV. IN: 3460.3
INV. OUT: 3460.3
92.4 L
F

O
F

E
X
I
S
T
I
N
G

4
8
"

P
C
C
P

@

2
.
3
0
%
TOP OF RISER ELEV. 3471.5
EXISTING TUCKASEGEE WATER & SEWER AUTHORITY
8" FORCE MAIN (FIELD LOCATED HORIZONTALLY,
APPROX. DEPTH TO BE FIELD VERIFIED)
EXISTING WING WALL
W/ SPLASH PAD
INV. 3458.17
1/3
P
M
P

H
Y
D
R
A
U
L
I
C

G
R
A
D
E

L
I
N
E
1/3
P
M
P

H
Y
D
R
A
U
L
I
C

G
R
A
D
E

L
I
N
E
EXISTING CONTECH
A-JACKS ENERGY
DISSIPATER
EXISTING WALKWAY FOR
OUTLET BOX ACCESS
30 LF OF EXISTING 1" PVC
COLD WATER PIPE
INV. IN: 3463.31
EXISTING 1" PVC COLD
WATER PIPE ELBOW
INV. IN: 3462.98
3475
3470
3465
3460
3455
3480
3+00
CALL 1-800-632-4949
N.C. ONE-CALL CENTER
BEFORE YOU DIG!
IT'S THE LAW!
3475
3470
3465
3460
3455
3480
PROPOSED LAKE DRAIN LEVEL FOR DREDGE OPERATION 3467
PROPOSED LAKE DRAIN LEVEL
FOR DREDGE OPERATION 3467
PROPOSED TURBIDITY CURTAIN
NOTE: CONTRACTOR TO NOTIFY ENGINEER OF
ANY DISCREPNCIES IN EXISTING CONDITIONS OR
DESIGN (INCLUDING EXISTING TOPO, INVERT
ELEVATIONS, DETAILS, ETC.) PRIOR TO
COMMENCEMENT OF WORK. INFORMATION
WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED
ACCURATE UNTIL FIELD VERIFICATION.
DEWATERING PUMP
AND GENERATOR
ON WALKWAY
MICRO-SCREEN
INTAKE
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NCFOR REVIE
W
ONLY
1 10.01.18NCDENR
2 07.12.19NCDENR
NOTE:
USE DOZER TRACKS TO CREATE GROOVES
PERPENDICULAR TO THE SLOPE. GROOVES WILL
CATCH SEED, FERTILIZER, MULCH, RAINFALL AND
DECREASE SEDIMENT IN RUNOFF.
S
L
O
P
E
REFERENCE
SECTION 02020 OF
LOWE'S DIVISION 2
STANDARD SITE SPECIFICATIONS AND
PROJECT SPECIAL PROVISIONS
TOP AND BOTTOM STRAND
SHALL BE 10 GAUGE MIN.
MIDDLE AND VERTICAL WIRES SHALL BE 14
GAUGE MIN. 6" SPACING
NOTES:
1. WWM MINIMUM 32" WIDTH WITH A MINIMUM OF 6 LINE WIRES WITH 12" STAY SPACING.
2. FILTER FABRIC SHALL BE 36" WIDE AND SHALL BE FASTENED ADEQUATELY TO THE WIRE.
3. STEEL POST SHALL BE 5'-0" IN HEIGHT AND BE OF THE SELF-FASTENER ANGLE STEEL TYPE.
4. WOOD POST SHALL BE 5'-0" IN HEIGHT AND 2" IN DIAMETER.
5. SUPPORT POSTS SHALL BE INSTALLED ON THE DOWNHILL SIDE OF THE SEDIMENT FENCE
(DOWNSTREAM FROM EXPECTED FLOWS)
6. ACCUMULATED SEDIMENT SHALL REMOVED WHEN 25% THE HEIGHT OF FENCE.
7. MAXIMUM DRAINAGE AREA 10,000 SF PER 100' OF FENCE.
8. MAXIMUM LENGTH UPSLOPE FROM FENCE PER CHART
10' MAX. WITH WIRE
(6' MAX. WITHOUT WIRE)
FILTER FABRIC
COMPACTED FILL
POST - 2'-0" DEPTH
EXTENSION OF FABRIC
AND WIRE INTO TRENCH
4"
8"
FILTER FABRIC WIRE
5' STEEL OR WOOD POST
SLOPE SLOPE LENGTH (FT)*MAXIMUM AREA (FT^2)
< 2%100 10,000
2 TO 5%75 7,500
5 TO 10%50 5.000
10 TO 20%25 2,500
> 20%15 1,500
SLOPE LENGTH CHART
*MAXIMUM LENGTH OF SLOPE BEHIND FENCE
JOINING FENCE SECTIONS
6" MIN.
POST
FABRIC FENCE
NOTES:
FILTER FABRIC FENCE MUST BE INSTALLED AT EXISTING LEVEL GRADE. BOTH ENDS OF THE BARRIER MUST BE
EXTENDED AT LEAST 8 FEET UPSLOPE AT 45 DEGREES TO MAIN BARRIER ALIGNMENT.
SEDIMENT MUST BE REMOVED WHEN ACCUMULATION REACHES 25% ABOVE GROUND HEIGHT OF THE FENCE .
NO. 7 GA. TENSION WIRE INSTALLED HORIZONTALLY AT TOP AND BOTTOM OF CHAIN-LINK FENCE.
CHAIN LINK TO POST FASTENERS SPACED @ 14" MAX. USE NO. 6 GA. ALUMINUM WIRE OR NO. 9 GALVANIZED STEEL
PRE-FORMED CLIPS. CHAIN LINK TO TENSION WIRE FASTENERS SPACED @ 60" MAX. USE NO 10 GA. GALVANIZED
STEEL WIRE. FABRIC TO CHAIN FASTENERS SPACED @ 24" MAX. C TO C.
POSTS FOR THE FENCE SHALL BE PLACED ON THE DOWNHILL SIDE OF THE FENCE (DOWNSTREAM OF EXPECTED
FLOWS)
CHAIN LINK FENCE
(2" WOVEN MESH FABRIC)
10' MAX.
FABRIC FENCE
TOE ANCHOR TRENCH
COMPACTED FILL
POST - 3'-0" DEPTH MIN.
4"
8"
SUPPORT POST
USE 2-1/2" DIA. GALVANIZED OR
ALUMINUM POSTS
SLOPE MAXIMUM SLOPE LENGTH (FT)*
< 2%1,000
5%500
10%300
20%200
30%100
SLOPE LENGTH CHART
75
50
40%
50%
FABRIC FENCE
EXISTING
GROUND SURFACE
33"
SEE NOTE #4
#7 GAGE TENSION WIRE
CHAIN LINK FENCE
SUPPORT POST
#7 GAGE TENSION WIRE
SEE NOTE #4
JOINING FENCE SECTIONS
6" MIN.
POST
SEE NOTE #4
FABRIC FENCE
1.
2.
3.
4.
5.
*MAXIMUM LENGTH OF SLOPE BEHIND FENCE
EROSION CONTROL DETAILS
N/A
RRW
MBT
MBT
C3-02
7/8/2019 1:52 PM NIKKI CURLEY O:\2018\8118068_CASHIERS LAKE MASTER PLAN & PERMITTING\8118068_CASHIERS LAKE MASTER PLAN\CAD\CONSTRUCTION DOCUMENTS\DTL-EROSION CONTROL.DWG
(NOT TO SCALE)
NTS
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
NOT FOR
CONSTRUCTION
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
1 10.01.18NCDENR
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NC
2 07.12.19NCDENR
SEED BED PREPARATION (PERMANENT SEEDING)
SEEDING SPECIFICATION
GENERAL
SEEDING CAN BE USED FOR TEMPORARY OR PERMANENT STABILIZATION. DISTURBED AREAS OF
THE SITE WHERE CONSTRUCTION ACTIVTY HAS CEASED FOR MORE THAN 14 DAYS (OR MORE
FREQUENT IF REQUIRED BY THE STATE NPDES PERMIT) SHALL BE TEMPORARARILY SEEDED AND
WATERED. AREAS WHERE FINAL GRADING HAS BEEN COMPLETED FOR MORE THAN 14 DAYS
SHALL BE TEMPORARILY OR PERMANENTLY SEEDED. TEMPORARY SEED MIXTURES ARE
SPECIFIED BELOW. PERMANENT SEED MIXTURES SHALL BE SEEDED DURING SEASON SPECIFIED.
HIGH MAINTENANCE AREAS (ALL AREAS ON DAM)
RYE (GRAIN) 120 LBS/ACRE
TYPE
TEMPORARY SEEDING SPECIFICATI0NS - TS
TYPE
TYPE
RYE (GRAIN) 120 LBS/ACRE
GERMAN MILLET 40 LBS/ACRES
FEB. 15 - MAY 15
DATES
MAY 15 - AUG. 15
AUG. 15 - DEC. 15
DATES
DATES
INSPECTION
INSPECT SEEDED AREAS FREQUENTLY. IF SEEDED AREAS FAIL TO
GERMINATE, OR TO PROVIDE ADEQUATE GROUND COVERAGE, THE
AREA SHALL BE RE-SEEDED UNTIL FINAL STABILIZATION IS ACHIEVED.
ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE
INSPECTED AT MINIMUM EVERY SEVEN (7) CALENDAR DAYS AND WITHIN
24-HOURS OF A RAINFALL EVENT OF.5 INCHES AND GREATER OF RAIN
DURING A 24-HOUR PERIOD (OR MORE FREQUENTLY IF REQUIRED BY
THE STATE NPDES GENERAL PERMIT) THROUGHOUT CONSTRUCTION
UNTIL FINAL STABILIZATION IS ACHIEVED OR MORE FREQUENTLY IF
REQUIRED BY STATE NPDES GENERAL PERMIT.
PERMANENT SEEDING SPECIFICATIONS - PS
TRACKING DETAIL N.T.S.
SILT FENCE DETAIL N.T.S.SUPER FILTER FABRIC FENCE DETAIL N.T.S.
EROSION AND SEDIMENT CONTROL NOTES
1.ON-SITE BURIAL PITS REQUIRE AN ON-SITE DEMOLITION LANDFILL PERMIT FROM LOCAL
CITY AUTHORITY.S
2.ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS A VIOLATION OF
THE SEDIMENT AND POLLUTION CONTROL ACT AND IS SUBJECT TO A FINE. NOTE THAT
DENUDED LIMITS DEPICTED ARE APPROXIMATE. CLEARING LIMITS SHALL BE STAKED IN
FIELD BASED ON VERTICAL PROFILE AND CROSS-SECTION OF PROPOSED ROADWAY
AND OTHER PROPOSED IMPROVEMENTS. LIMITS SHALL BE CALCULATED AND FIELD
STAKED BASED ON MINIMUM CONSTRUCTION REQUIREMENTS IN AN EFFORT TO
MINIMIZE DENUDED AREAS.
3.GRADING ONE ACRE OR MORE WITHOUT AN APPROVED EROSION CONTROL PLAN IS A
VIOLATION OF THE SEDIMENT AND POLLUTION CONTROL ACT AND IS SUBJECT TO A
FINE.
4.FOR PHASED EROSION CONTROL PLANS, CONTRACTOR SHALL MEET WITH EROSION
CONTROL INSPECTOR PRIOR TO COMMENCING WITH EACH PHASE OF EROSION
CONTROL MEASURES.
5.ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE REQUIRED BY A
REPRESENTATIVE OF THE NCDENR LAND QUALITY INSPECTOR OR THE OWNERS
REPRESENTATIVE.
6.ALL SLOPES MUST BE SEEDED AND MULCHED WITHIN 14 CALENDAR DAYS.
7.SLOPES SHALL BE GRADED NO STEEPER THAN 2:1. ALL SLOPES 3:1 OR STEEPER
REQUIRE EROSION CONTROL MATTING, SC250 OR EQUIVALENT UNLESS OTHERWISE
STATED.
8.THERE ARE NO CURRENT APPARENT EROSION CONTROL PROBLEMS ON SITE.
CONTRACTOR SHALL TAKE PROCEDURES AS NECESSARY TO PREVENT EROSION AND
SEDIMENT TRANSPORT DURING CONSTRUCTION.
9.ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURES, IF NECESSARY, SHALL BE
IMPLEMENTED AS REQUESTED BY THE NCDNER INSPECTOR OR ENGINEER.
10.STORM SEWER SYSTEM SHALL BE INSTALLED AS SOON AS POSSIBLE DURING THE
CONSTRUCTION PROCESS, AND ALL RUNOFF SHALL BE DIRECTED TO THE DRAINAGE
SYSTEM.
11.PRIOR TO STORM SEWER SYSTEM INSTALLATION ALL RUNOFF LEAVING THE SITE SHALL
BE ROUTED THROUGH SEDIMENT CONTROL DEVICES PRIOR TO DISCHARGE OFFSITE.
CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING THIS REQUIREMENT ONSITE
DURING ALL PHASES OF CONSTRUCTION.
12.THE CONTRACTOR SHALL INSTALL AND MAINTAIN INLET PROTECTION AROUND ALL
DRAINAGE STRUCTURES UNTIL ALL CONSTRUCTION HAS BEEN COMPLETED.
13.PROVISIONS TO PREVENT EROSION OF SOIL FROM THE SITE SHALL CONFORM TO
LOCAL CITY AND STATE REQUIREMENTS.
14.THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES UNTIL
PERMANENT VEGETATION HAS BEEN ESTABLISHED. THE CONTRACTOR MUST CLEAN
ALL SEDIMENT TRAPS AS REQUIRED.
15.FAILURE TO INSTALL, OPERATE AND MAINTAIN ALL EROSION CONTROL MEASURES, AS
SHOWN ON THE APPROVED PLANS OR AS DIRECTED BY THE OWNER/PROJECT
REPRESENTATIVE AND/OR LOCAL CITY AND STATE MAY RESULT IN ALL WORK ON THE
CONSTRUCTION SITE BEING STOPPED UNTIL PROPER CORRECTIVE MEASURES HAVE
BEEN MET, AS REQUIRED AND/OR DIRECTED.
16.THE CONTRACTOR MUST GRADE THE SEDIMENT BASINS, AS SHOWN ON THE PLANS.
THE CONTRACTOR MUST REMOVE SILT AND DEBRIS FROM THE SEDIMENT BASINS AND
SILT FENCES WHEN BASINS ARE 25% FILLED WITH SILT. AFTER ALL GRADING HAS BEEN
COMPLETED, THE CONTRACTOR SHALL REGRADE THE BASINS TO THE GRADING LIMITS
AND STABILIZE ALL DISTURBED AREAS WITH GRASSING.
17.LAND DISTURBING ACTIVITIES SHALL NOT COMMENCE UNTIL APPROVAL TO DO SO HAS
BEEN RECEIVED BY GOVERNING AUTHORITIES.
18.THE GENERAL CONTRACTOR SHALL STRICTLY ADHERE TO THE STORM WATER
POLLUTION PREVENTION PLAN (SWPPP) DURING CONSTRUCTION OPERATIONS.
19.NO LAND CLEARING OR GRADING SHALL BEGIN UNTIL ALL PERIMETER SEDIMENT
CONTROL MEASURES HAVE BEEN INSTALLED.
20.ALL EXPOSED AREAS SHALL BE SEEDED AS SPECIFIED WITHIN 14 DAYS OF FINAL
GRADING.
21.SHOULD CONSTRUCTION STOP FOR LONGER THAN 14 DAYS, THE SITE SHALL BE
SEEDED AS SPECIFIED.
22.SEDIMENT AND EROSION CONTROL MEASURES SHALL BE INSPECTED AT LEAST ONCE
EVERY SEVEN (7) CALENDAR DAYS AND WITHIN 24 HOURS OF 0.5 INCHES RAINFALL OR
GREATER DURING A 24-HOUR PERIOD OR MORE FREQUENTLY IF REQUIRED BY
GOVERNING NPDES GENERAL PERMIT. ALL MAINTENANCE REQUIRED BY INSPECTION
SHALL COMMENCE WITHIN 24 HOURS AND BE COMPLETED WITHIN 48 HOURS OF
REPORT.
23.THIS PLAN SHALL NOT BE CONSIDERED ALL INCLUSIVE AS THE GENERAL CONTRACTOR
SHALL TAKE ALL NECESSARY PRECAUTIONS TO PREVENT SEDIMENT FROM LEAVING
THE SITE.
24.GENERAL CONTRACTOR SHALL COMPLY WITH ALL STATE AND LOCAL ORDINANCES
THAT APPLY.
25.IF INSTALLATION OF STORM DRAINAGE SYSTEM SHOULD BE INTERRUPTED BY
WEATHER OR NIGHTFALL, THE PIPE ENDS SHALL BE COVERED WITH FILTER FABRIC.
26.GENERAL CONTRACTOR SHALL BE RESPONSIBLE TO TAKE WHATEVER MEANS
NECESSARY TO ESTABLISH PERMANENT SOIL STABILIZATION.
TREE REMOVAL DETAIL N.T.S.DRIP LINEPLAN VIEW OF ROOT ZONE TYPICAL SECTION VIEW OF ROOT ZONE
ONE FOOT FOR EACH INCH OF TRUNK
DIAMETER OR 1/2 HEIGHT OF TREE
WHICHEVER IS GREATER
TREE ROOT BALL
TO BE COMPLETELY
REMOVED
ALL ROOTS
GREATER THAN 1.5"
SHALL BE REMOVED
ALL ROOTS
GREATER THAN 1.5"
SHALL BE REMOVED
TREE ROOT BALL
TO BE COMPLETELY
REMOVED
TREE REMOVAL NOTES:
TREE REMOVAL NEEDS TO BE CONDUCTED IN ACCORDANCE
WITH THE APPROVED TREE REMOVAL AND EROSION
CONTROL PLANS. LAKE DEWATERING SHALL BE IN
ACCORDANCE WITH THE APPROVED PLANS PRIOR TO
REMOVAL OF TREES AND ROOT BALLS FROM DAM.
THE CLEARING AND GRUBBING SHALL BE DONE AT A
SATISFACTORY DISTANCE AHEAD OF THE GRADING OR
TRENCHING OPERATIONS. IN AREAS DESIGNATED TO BE
CLEARED AND GRUBBED, ALL STUMPS, ROOTS, BURIED LOGS,
BRUSH, GRASS AND OTHER UNSATISFACTORY MATERIALS
SHALL BE REMOVED. THE ROOTS AND OTHER PROJECTIONS
WITHIN EXCAVATED AREAS OVER ONE AND ONE-HALF (1-1/2)
INCHES IN DIAMETER SHALL BE COMPLETELY GRUBBED OUT
OF THE DAM STRUCTURE.
HOLES RESULTING FROM THE GRUBBING OPERATION
SHOULD BE BACKFILLED WITH WELL-COMPACTED SOIL PER
GEOTECHNICAL ENGINEERS SPECIFICATIONS. THE BACKFILL
SHOULD THEN BE GRADED TO BLEND WITH THE
SURROUNDING CONTOUR, AND APPROPRIATE GRASSES
SHOULD BE ESTABLISHED ON ALL DISTURBED AREAS.
JULY 25-AUG. 15
DATES TYPE
BLEND OF 60 LBS/ ACRE OF
KENTUCKY BLUEGRASS (POA
PRATENSIS) AND 40
LBS/ACRE OF RED FESCUE
(FESTUCA RUBRA)
MAR. 20- APR. 20
TROUT BUFFER OUTSIDE OF DAM AREA
CONSTRUCTION SEQUENCE
1.CONTRACTOR SHALL VERIFY THAT ALL APPLICABLE PERMITS HAVE BEEN OBTAINED PRIOR TO
THE BEGINNING OF CONSTRUCTION, AND HOLD A PRECONSTRUCTION MEETING AND
COORDINATE WITH OWNER, ENGINEER, AND ALL APPLICABLE REGULATORY AGENCIES.
2.PROJECT IS LOCATED IN AN ENVIRONMENTALLY SENSITIVE AREA AND IS ADJACENT TO A
TROUT STREAM. CONTRACTOR SHALL USE EXTREME CARE THROUGHOUT PROJECT.
3.SUBMIT SHOP DRAWINGS TO ENGINEER FOR REVIEW AND APPROVAL FOR ALL MATERIALS.
4.CONTRACTOR SHALL NOTIFY ALL AFFECTED PROPERTY OWNERS AND OBTAIN PERMISSION
FOR PROPERTY ACCESS PRIOR TO PROCEEDING WITH WORK.
5.CONTRACTOR SHOULD LOCATE ALL EXISTING UTILITIES WITHIN THE DEFINED PROJECT AREA
AS SHOWN IN THE EROSION CONTROL PLAN. CONTRACTOR SHALL NOTIFY ENGINEER IF
THERE ARE ANY DISCREPANCIES BETWEEN THE PLANS AND FIELD CONDITIONS.
6.CONTRACTOR SHALL WORK WITHIN ALLOWABLE CONSTRUCTION LIMITS-SENSITIVE
PROPERTY OWNERS.
7.CONTRACTOR SHALL MAINTAIN VEHICULAR ACCESS ALONG CASHIERS LAKE ROAD (SR 1113)
AT ALL TIMES.
8.STABILIZE CONSTRUCTION ENTRANCES AND ACCESS DRIVES WITH GRAVEL AND MULCH.
STAKE CLEARING LIMITS.
9.INSTALL ALL UPLAND SILT FENCE, AND OTHER MEASURES AS SHOWN ON PLANS, CLEARING
ONLY AS NECESSARY TO INSTALL THESE DEVICES.
10.ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NC
EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL AND US DEPT. OF
AGRICULTURE.
11.CALL FOR ON-SITE INSPECTION BY INSPECTOR AND ENGINEER.
12.CONTRACTOR SHALL LOWER THE LAKE FROM THE NWSE OF 3471 TO 3467. THE DEWATERING
OF THE LAKE SHALL BE A GRADUAL PROCESS AND THE MAXIMUM RATE OF DRAWDOWN IS 0.5'
PER DAY. THE WATER FROM THE LAKE DRAWDOWN SHALL BE BYPASSED TO THE EXISTING
CHATTOOGA RIVER. DURING THE LAKE DRAWDOWN PROCESS CONTRACTOR SHALL ENSURE
THE WATER BEING REMOVED FROM THE LAKE INTO THE RIVER IS FREE OF SEDIMENT. IF
SEDIMENT BECOMES A PROBLEM DURING THE DEWATERING PROCESS CONTRACTOR SHALL
CONTACT ENGINEER IMMEDIATELY.
13.ONCE THE LAKE IS LOWERED THE CONTRACTOR SHALL MAINTAIN MINIMUM BASE FLOW AT
ALL TIMES TO THE CHATTOOGA RIVER OF 0.5 CFS (7Q10 INFORMATION TAKEN FROM NSGS).
THE MINIMUM BASE FLOW SHALL BE ACCOMPLISHED BY USING EITHER MECHANICAL PUMP OR
SIPHON SYSTEM AND SHALL REMAIN IN OPERATION THROUGHOUT THE DREDGING AND
REFILLING PROCESS.
14.CONTRACTOR SHALL INSTALL & STABILIZE CONSTRUCTION ENTRANCES INTO LAKE BED.
15.CONTRACTOR SHALL INSTALL TEMP. SEDIMENT BASIN #1 WITH ALL ASSOCIATED TEMP.
DITCHES AND SILT FENCE AND TURBIDITY BAFFLES PRIOR TO ANY ACTIVITY WITHIN THE LAKE
BED.
16.ONCE CONTRACTOR HAS APPROPRIATELY INSTALLED TEMP. SEDIMENT BASIN #1,
CONTRACTOR SHALL BEGIN INSTALLING TD #1 TO ESTABLISH NEW STABILIZED BASE
CHANNEL WITH ASSOCIATED TEMPORARY CROSSINGS TO ALLOW UPPER BASIN BASE FLOW
TO BYPASS THE DREDGING AREA.
17.ONLY AFTER CONTRACTOR HAS ESTABLISHED AND STABILIZED TEMP. DITCH #1 SHALL
CONTRACTOR BE ALLOWED TO COMMENCE WITH ANY OTHER ACTIVITIES WITHIN THE LAKE
BED.
18.ALL WETLAND AREA DREDGING SHALL BE DONE IN AN UPSTREAM TO DOWNSTREAM
DIRECTION. THIS IS SO DISTURBED SEDIMENT CAN BE CAPTURED IN THE DOWNSTREAM
WETLAND. SEDIMENT CURTAINS SHALL BE USED TO ISOLATE THE DREDGE AND FILL AREAS
FROM OPEN WATER.
19.INSTALL SILT FENCE AND OTHER MEASURES AS SHOWN ON PLANS, CLEARING ONLY AS
NECESSARY TO INSTALL ALL DEVICES WITHIN THE LAKE BED AREA.
20.LAKE SHALL BE DEWATERED TO AN ELEVATION OF 3467 AFTER STORM EVENTS AS NEEDED
PER SEQUENCE DESCRIBED IN ITEM #12.
21.THE CONTRACTOR SHALL DILIGENTLY AND CONTINUOUSLY MAINTAIN ALL EROSION CONTROL
DEVICES AND STRUCTURES. EROSION CONTROL MEASURES SHOULD BE CHECKED
PERIODICALLY AND AFTER EVERY RAINFALL EVENT. REPAIRS SHALL BE MADE IMMEDIATELY
AS REQUIRED. INSPECTION AND REPAIR REPORTS SHALL BE KEPT BY THE CONTRACTOR AND
PROVIDED TO THE STATE EROSION CONTROL AGENT UPON REQUEST.
22.CALL GEOTECHNICAL CONSULTANT FOR SITE INSPECTION PRIOR TO GRUBBING OR PLACING
FILL.
23.CONTRACTOR SHALL MAINTAIN ONE LANE OF TRAFFIC ON CASHIERS LAKE ROAD (NCDOT SR
1113) AT ALL TIMES.
24.WHEN SITE HAS BEEN PERMANENTLY STABILIZED, REMOVE EROSION CONTROL DEVICES AND
APPLY PERMANENT SEEDING IN AREAS OF DISTURBANCE.
25.COORDINATE WITH EROSION CONTROL INSPECTOR PRIOR TO REMOVAL OF EROSION
CONTROL MEASURES.
26.UPON COMPLETION OF THE CONSTRUCTION ACTIVITIES AND STABILIZATION THE LAKE WILL
BE GRADUALLY REFILLED, THIS WILL BE ACCOMPLISHED BY THE CONTRACTOR MAINTAINING
THE MINIMUM BASE FLOW AT ALL TIME TO THE CHATTOOGA RIVER OF 0.5 CFS (7Q10
INFORMATION TAKEN FROM NSGS). THE MINIMUM BASE FLOW SHALL BE ACCOMPLISHED BY
USING EITHER MECHANICAL PUMP OR SIPHON SYSTEM. FLOWS FROM THE DAM TO THE
CHATTOOGA RIVER MUST BE MAINTAINED AT ALL TIMES AT 70% OF THE INCOMING FLOW
DURING LAKE REFILL.
EXISTING
PAVEMENT
FILTER CLOTH AND/OR AS
SPECIFIED BY ENGINEER
EXISTING
GROUND
PROVIDE APPROPRIATE TRANSITION BETWEEN
STABILIZED CONSTRUCTION ENTRANCE AND PUBLIC
RIGHT-OF-WAY
PROFILE
EXISTING
PAVEMENT
EXISTING
GROUND
PLAN VIEW3" - 5" CLEAN STONE
CONSTRUCTION SPECIFICATIONS
STONE - USE COARSE AGGREGATE (3"-5" STONE).
LENGTH - AS EFFECTIVE, BUT NOT LESS THAN 100 FEET.
THICKNESS - NOT LESS THAN EIGHT (8) INCHES.
WIDTH - NOT LESS THAN FULL WIDTH OF ALL POINTS OF INGRESS OR EGRESS.
WASHING - WHEN NECESSARY, WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN WASHING IS
REQUIRED, IT SHALL BE DONE ON AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT TRAP OR SEDIMENT BASIN.
ALL SEDIMENT SHALL BE PREVENTED FROM ENTERING ANY STORM DRAIN, DITCH, OR WATERCOURSE THROUGH USE OF SAND BAGS, GRAVEL, BOARDS OR
OTHER APPROVED METHODS.
MAINTENANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC
RIGHT-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT OF ANY
MEASURES USED TO TRAP SEDIMENT. ALL SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED ONTO ADJACENT PAVED ROAD SURFACES MUST BE
REMOVED IMMEDIATELY.
2- 8'x10' METAL GRATES MAY BE USED. GRATE SHALL BE 25' AWAY FROM PAVEMENT AND APPROPRIATE SEDIMENT CONTROL TRAPPING DEVICE SHALL BE
USED AT GRATE OUTLET POINT. SEE STABILIZED CONSTRUCTION ENTRANCE/EXIT WITH CORRUGATED STEEL PANELS DETAIL E-2.
AS SHOW IN PLANS
15' MIN.STABILIZED CONSTRUCTION ENTRANCE/ EXIT4" MIN.4" MIN.AS SHOWN IN PLANS
3"-5" CLEAN STONE
1.
2.
3.
4.
5.
6.
7.
SILT FENCE OR BARRIER TO
PREVENT SHORT CIRCUIT
(7.5cm)
(5cm-12.5cm)
(30 cm)
(15 cm)6"
(15 cm)
PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. NOTE: WHEN USING
CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN.
BEGIN AT THE TOP OF THE SLOPE BY ANCHORING THE BLANKET IN A 6" (15cm) WIDE TRENCH WITH APPROXIMATELY 12" (30cm) OF BLANKET
EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE BLANKET WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm)
APART IN THE BOTTOM
OF THE TRENCH. BACK FILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30cm)
PORTION OF THE BLANKET BACK OVER SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES
SPACED APPROXIMATELY 12" (30cm) APART ACROSS THE WIDTH OF THE BLANKET.
ROLL THE BLANKETS DOWN ACROSS THE SLOPE. BLANKETS WILL UNROLL WITH THE APPROPRIATE SIDE AGAINST THE SOIL SURFACE. ALL
BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE
PATTERN
GUIDE. WHEN USING OPTIONAL DOT SYSTEM, STAPLES/STAKES SHOULD BE PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO
THE APPROPRIATE STAPLE PATTERN.
THE EDGES OF PARALLEL BLANKETS MUST BE STAPLED WITH APPROXIMATELY 2"-5" (5cm-12.5cm) OVERLAP DEPENDING ON BLANKET TYPE. TO
ENSURE PROPER SEAM ALIGNMENT, PLACE THE EDGE OF THE OVERLAPPING BLANKET (BLANKET BEING INSTALLED ON TOP) EVEN WITH THE
COLORED SEAM STITCH ON
THE PREVIOUSLY INSTALLED BLANKET.
CONSECUTIVE BLANKETS SPLICED DOWN THE SLOPE MUST BE PLACED END OVER END (SHINGLE STYLE) WITH AN APPROXIMATE 3" (7.5cm)
OVERLAP. STAPLE THROUGH OVERLAPPED AREA, APPROXIMATELY 12" (30cm) APART ACROSS ENTIRE BLANKET WIDTH.
NOTE: IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15cm) MAY BE NECESSARY
TO PROPERLY ANCHOR THE BLANKETS.
1
4
2
5
3"
2"-5"
12"
6"
3
1.
2.
3.
4.
5.
EROSIONAL CONTROL BLANKET DETAIL
PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED.
BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET IN A 6" (15cm) DEEP X 6" (15cm) WIDE TRENCH WITH APPROXIMATELY 12" (30cm) OF BLANKET
EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE BLANKET WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm) APART IN
THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30cm)
PORTION OF BLANKET BACK OVER SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED
APPROXIMATELY 12" (30cm) ACROSS THE WIDTH OF THE BLANKET.
ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL. BLANKETS WILL UNROLL WITH APPROPRIATE SIDE AGAINST THE SOIL
SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN APPROPRIATE LOCATIONS LOCATIONS AS SHOWN
IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM, STAPLES/STAKES SHOULD BE PLACED THROUGH EACH OF THE COLORED DOTS
CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN.
PLACE CONSECUTIVE BLANKETS END OVER END (SHINGLE STYLE) WITH A 4"-6" (10cm-15cm) OVERLAP. USE A DOUBLE ROW OF STAPLES STAGGERED 4" (10cm)
APART AND 4" (10cm) ON CENTER TO SECURE BLANKETS.
FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm) APART IN A 6"
(15cm) DEEP X 6" (15cm) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING.
ADJACENT BLANKETS MUST BE OVERLAPPED APPROXIMATELY 2"-5" (5cm-12.5cm)(DEPENDING ON BLANKET SIZE) AND STAPLED.
IN HIGH FLOW CHANNEL APPLICATIONS, A STAPLE CHECK SLOT IS RECOMMENDED AT 30' TO 40' (9M-12M) INTERVALS. USE A DOUBLE ROW OF STAPLES
STAGGERED 4" (10cm) APART AND 4" (10cm) ON CENTER OVER ENTIRE WIDTH OF THE CHANNEL.
THE TERMINAL END OF BLANKETS MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm) APART IN A 6" (15cm) DEEP X 6" (15cm)
WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING.
CRITICAL POINTS
A) OVERLAPS AND SEAMS
B) PROJECTED WATER LINE
C) CHANNEL BOTTOM/SIDE SLOPE VERTICES
NOTE:
* HORIZONTAL STAPLE SPACING SHOULD BE ALTERED IF
NECESSARY TO ALLOW STAPLES TO SECURE THE CRITICAL
POINTS ALONG THE CHANNEL SURFACE.
** IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE
LENGTHS GREATER THAN 6" (15cm) MAY BE NECESSARY TO
PROPERLY ANCHOR THE BLANKETS.
CB
A
4
6
7
5
8
1
3
6"
12"
2
(15 cm)
6"(15 cm)
(30 cm)
(5cm-12.5cm)
2"-5"
(15 cm)6"
(15 cm)6"
4"(10cm)
4"
4"-6"
(10cm-15cm)
1.
2.
3.
4.
5.
6.
7.
8.
EROSIONAL CONTROL BLANKET DETAIL
EROSION CONTROL DETAILS
N/A
RRW
MBT
MBT
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(NOT TO SCALE)
NTS
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
NOT FOR
CONSTRUCTION
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
1 10.01.18NCDENR
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NC
2 07.12.19NCDENR
TURBIDITY CURTAIN DETAILS N.T.S.
CONSTRUCTION ENTRANCE N.T.S.EROSION CONTROL BLANKET DETAIL N.T.S.EROSION CONTROL BLANKET DETAIL N.T.S.
DIRTBAG DETAIL N.T.S.
N.T.S.EROSION CONTROL DEWATERING
EROSION CONTROL DETAILS
N/A
RRW
MBT
MBT
C3-04
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(NOT TO SCALE)
NTS
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
NOT FOR
CONSTRUCTION
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
1 10.01.18NCDENR
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NC
2 07.12.19NCDENR
SEDIMENT TRAP DETAIL N.T.S.
EMBANKMENT MATTING DETAIL N.T.S.
TEMPORARY STREAM CROSSING N.T.S.
NOTE: CONTRACTOR TO VERIFY EXISTING
CONDITIONS, TOPOGRAPHY, AND STREAM
PROFILES BEFORE CONSTRUCTION BEGINS.
TEMP. DIVERSION DITCH TABLE
NUMBER TYPE BOTTOM
WIDTH (FT)
MIN. DEPTH
(FT)
1 TRAPEZOIDAL 6 3.76
2 TRAPEZOIDAL 6 3.76
3 TRIANGULAR N/A 1.04
4 TRIANGULAR N/A 1.04
5 TRIANGULAR N/A 1.31
6 TRIANGULAR N/A 0.74
7 TRIANGULAR N/A 0.59
NOTE: ALL DITCHES SHALL BE DESIGNED AT A LONGITUDINAL SLOPE OF
1.0%, CHANNEL SLOPE OF 3.5:1, AND LINED WITH 6" DIAMETER RIPRAP (d50).
EROSION CONTROL DETAILS
N/A
C3-05
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(NOT TO SCALE)
NTS
SEAL
SHEET NUMBER
SHEET TITLE
LANDDESIGN PROJ.#
SCALE
PROJECT
NORTH
NO.DESCRIPTION DATE
REVISION / ISSUANCE
ORIGINAL SHEET SIZE: 24" X 36"
NOT FOR
CONSTRUCTION
VERT:
HORZ:
CHECKED BY:
DRAWN BY:
DESIGNED BY:
100 S. ORANGE AVE., SUITE 700
ORLANDO, FL 32801
407.270.7800
WWW.LANDDESIGN.COM
ENG. FIRM LICENSE # C-9520
CASHIERS LAKE
DREDGING PLAN
8118068
1 10.01.18NCDENR
SEAL
CASHIERS TOWNSHIP
JACKSON COUNTY, NC
2 07.12.19NCDENR
ARCH CULVERT CROSS-SECTION N.T.S.
10 5'-2"3'-0" MIN.ARCH CULVERT PROFILE N.T.S.5'-2"TYPICAL KESTONE WALL CROSS-SECTION N.T.S.3'-0" MIN.3'-0" MIN.

Attachment B
Cashier Lake Dredging Plan
Revised July 12, 2019

REVISED 7/10/19