20200305 Ver 1_PCN Form Submission_20200225

DWR
mrislon Of Water Re ..l
Pre -Construction Notification (PCN) Form
September 29, 2018 Ver 3
Initial Review
Has this project met the requirements for acceptance in to the review process?*
r Yes
r No
Is this project a public transportation project?*
r Yes r No
Change only if needed.
BIMS # Assigned
20200305
Is a payment required for this project?*
r No payment required
r Fee received
r Fee needed - send electronic notification
Reviewing Office*
Asheville Regional Office - [phone]
Information for Initial Review
1a. Name of project:
White Oak Reservoir Drag Rake Extension
Ia. Who is the Primary Contact?*
Alan Stuart
1b. Primary Contact Email:*
[e-mail]
Date Submitted
2/25/2020
Nearest Body of Water
White Oak Creek
Basin
Little Tennessee
Water Classification
C,Tr
Site Coordinates
Latitude: Longitude:
35.228719-83.632014
A. Processing Information
County (or Counties) where the project is located:
Macon
Is this project a public transportation project?*
r Yes r No
1a. Type(s) of approval sought from the Corps:
V Section 404 Permit (wetlands, streams and waters, Clean Water Act)
r- Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act)
1 b. What type(s) of permit(s) do you wish to seek authorization?
V Nationwide Permit (NWP)
r- Regional General Permit (RGP)
r- Standard (IP)
Version#*
1
What amout is owed?*
r $240.00
r $570.00
Select Project Reviewer*
Andrew Moore:eads\awmoore3
1c. Primary Contact Phone:*
[phone]

1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
Nationwide Permit (NWP) Number:
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
W 401 Water Quality Certification - Regular
r Non-404 Jurisdictional General Permit
r Individual Permit
03 - Maintenance
r 401 Water Quality Certification - E)iress
r Riparian Buffer Authorization
le. Is this notification solelyfor the record because written approval is not required?
For the record onlyfor DWR 401 Certification:
For the record onlyfor Corps Permit:
1f. Is this an after -the -fact permit application?*
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
C Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r- Yes r No
Acceptance Letter Attachment
1h. Is the project located in any of NC's twenty coastal counties?
r- Yes r No
1j. Is the project located in a designated trout watershed?
6 Yes C No
B. Applicant Information
1d. Who is applying for the permit?
W Owner r Applicant (other than owner)
le. Is there an Agent/Consultant for this project?*
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
Nanthala Power and Light Company
2b. Deed book and page no.:
2c. Responsible party:
Duke Energy Carolinas, LLC
2d.Address
Street Address
151 Bad Creek Road
Address tine 2
CKY
Salem
RD tal / Zip Code
29676
2e. Telephone Number:
[phone]
2g. Email Address:*
[e-mail]
State / Frmince / R�giw
South Carolina
Country
United States
2f. Fax Number:
r Yes r No
r Yes r No
C. Project Information and Prior Project History l"J
1. Project Information

1b. Subdivision name:
(d appropriate)
1c. Nearest municipality/ town:
Topton
2. Project Identification
2a. Property Identification Number:
2c. Project Address
Street Address
Wayah Road
Address Line 2
Qty
Topton
Fostal / Zip Code
28781
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
White Oak Creek
3b. Water Resources Classification of nearest receiving water:*
C,Tr
3c. What river basin(s) is your project located in?*
Little Tennessee
3d. Please provide the 12-digit HUC in which the project is located.
060102020304
4. Project Description and History
2b. Property size:
State / Rovince / Region
North Carolina
Country
United States
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
The project Will be completely with in the White Oak Reservoir which is part of the Nantahala Hydroelectric Station. There is an access road from Wayah Road that leads to a graveled
parking area that will act as the staging area for this project. The vicinity of the project is forested With some residential properties across Wayah Road.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
f Yes f No r Unknown
4d. Attach an 8 1/2 X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
Exhibit 1 Topo.pdf
1.25MB
4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
Exhibit 2 Soil.pdf 147.67KB
4f. List the total estimated acreage of all existing wetlands on the property:
None
4g. List the total estimated linear feet of all existing streams on the property:
620
4h. Explain the purpose of the proposed project:*
To provide better water intake to the tunnel and better operation of the trash rakes and conveyance of the materials downstream.
4i. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
The work is within the White Oak Reservoir. The reservoir is part of the Nantahala Hydroelectric Station that provides water for generation of electricity at the Station via a tunnel from
the White Oak Reservoir. The tunnel intake structure is to be extended and the trash rake system is to be replaced. The project is for the extension of the existing Intake/Drag Rake
Structure further out into the reservoir by approximately 17.5 feet. The project sequencing will be:
1. Drain the lake through existing dam valving allowing the flowto continue through the lake bottom in its original stream channel, all work is to be in the dry, all concrete will be allowed
to cure in the dry.
2. Install BMPs to protect the stream from runoff during construction and the work area from high flows during storm events. No cofferdams will be used within the stream channel.
3. Excavate the drag rake extension area down to competent rock via means of a vacuum truck - the vacuum truck will work from a previously constructed staging area adjacent to the
reservoir.
4. The excavated materials will be disposed of offsite in an approved Duke Landfill: White Oak Landfill in Haywood County
5. Core drill via hand operated drills into the competent rock to install threaded dowel roods to provide stability to the new structure.
6. Construct concrete forms for the drag rake extension foundation.
7. Pour concrete for the foundation via pumping from the staging area to the drag rake extension area.
8. Construct the concrete forms for the walls of the extension and pour via pump truck.
9. The extension foundation will impact an area of approximately 0.006 acre or 260 square feet.
10. Once the concrete has cured the new drag and trolley system will be installed for removal of accumulated floating debris.
11. The project is to start after the Trout Waters Moratorium ends on April 15, 2020.
4j. Please upload project drawings for the proposed project.
White Oak Civil Works Dwgs 95 % Submittal 2 15 19.pdf 2.15MB

5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
r Yes r No r Unknown
Comments:
All work will be in the dry within the White Oak Reservoir after it is drained.
5b. If the Corps made a jurisdictional determination, what type of determination was made?*
r Preliminary r Approved r Not Verified r Unknown r NIA
Corps AID Number:
5c. If 5a is yes, who delineated the jurisdictional areas?
Name (if known):
Agency/Consultant Company:
Other:
5d1. Jurisdictional determination upload
6. Future Project Plans
6a. Is this a phased project?*
r Yes r No
Are anyother NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed projector related activity?
� D. Proposed Impacts Inventory
1. Impacts Summary
la. Where are the impacts associated with your project? (check all that apply):
F Wetlands r- Streams -tributaries r Buffers
rJ Open Waters r- Pond Construction
4.Open Water Impacts
4a. Site # 4a1. Impact Reason
4b. Impact type
4c. Name of waterbody
4d. Activity type :114e.
Waterbody type
4f. Impact area
Fill
P
White Oak Reservoir
Fill
_11
Lake
0.01
4g. Total temporary open water Impacts: 4g. Total permanent open water impacts:
0.00 0.01
4g. Total open water impacts:
0.01
4h. Comments:
Actual impact is 0.006 acre or 260 square feet.
E. Impact Justification and Mitigation
1. Avoidance and Minimization
la. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
The size of the drag rake system was determined by the size of the existing trash rack system and opening to the water tunnel. The need for the
extension is necessary to provide better flow and easier removal of accumulated trash.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
BMPs will be used to protect White Oak Creek from impacts during the construction. Heavy equipment will not be used within the drained reservoir.
Excavation will be via vacuum truck and concrete will be pumped. The vacuum truck and the concrete truck will be operated from the parking/staging
area.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r Yes r No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:

Impact is less than 0.01 acre.
F. Stormwater Management and Diffuse Flow Plan (required by DWR)
1. Diffuse Flow Plan
la. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
r Yes r No
If no, explain why:
the Little Tennessee River is not included in the Riparian Protection Program
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
r Yes r No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
C Yes r No
Comments:
G. Supplementary Information
1. Environmental Documentation
la. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?*
r Yes r No
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)?*
r Yes r No
3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
r Yes r No
3b. If you answered "no," provide a short narrative description.
Project is to enhance the operation of the reservoir and has no effect on the surrounding communities to cause additional development.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes r Nor WA
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes f. No
5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
r Yes r- No
5c. If yes, indicate the USFWS Field Office you have contacted.
Asheville
5d. Is another Federal agency involved?*
r Yes r No
What Federal Agency is involved?
FERC
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut any trees in order to conduct the work in waters of the U.S.?
r Yes r No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
r Unknown

5h. Does this project involve the construction/installation of a wind turbine(s)?'
r Yes r No
51. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
Personal Communication with Bryan Tompkins USFWS please attachment
Consultation Documentation Upload
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
r Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
See Attachment below
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
r Yes r No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
Whiteoak Dam has historic significance. Historic Properties Management Plan as approved by the FERC.
7c. Historic or Prehistoric Information Upload
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain?*
r Yes r No
8b. If yes, explain how project meets FEMArequirements:
Per Macon County's review of the of Duke Energy's assessment and no -rise letter signed by a Professional Engineer, project meets FEMA
requirements.
8c. What source(s) did you use to make the floodplain determination?*
A Floodplain Development Permit from Macon County was required and issued to Duke Energy for the project.
Miscellaneous
Comments
Mr. David Brown with the USACE was contacted about this project. Fie responded that the project was covered under NWP3 and that a Pre -Construction Notification was not needed
prior to construction of the project. His email response is uploaded here.
Mr. Bryan Tompkins with the USFWS was also contacted concerning this project. He responded that the USFWS had no objection to the project as proposed. His email response is
uploaded here.
Miscellaneous attachments not previously requested.
David Brown Email.pdf 140.84KB
White Oak USFWS Email Response.pdf 206.15KB
Signature
*
rJ By checking the box and signing below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• 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");
• 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 PCN form.
Full Name:
ALAN STUART
Signature
!'Mast 6��ilr EG
Date
2/25/2020

Drawing Path: F:\GIS Projects\Temp Projects\7126-19-034 White Oak Drag Rake Project\Figures\Exhibit 2 Topo.mxd plotted by RWalker 12-11-2019Scale:
Date:
Project Number
Exhibit No.
11 " = 750 'Topographic Surface Features
³
1,300 0 1,300650 Feet
White Oak Reser voir
7126-19-034
2/7/2020White O ak Reser voir - Drag Rake ExtensionDuke Energy Macon County, North Carolina
THIS EXHIBIT WAS DEVELOPED USING INFORMATION AND DATA FROM THE FOLLOWING SOURCES:
- USGS TOPO QUAD - TOPTON NC PLEASE NOTE THIS EXHIBIT IS FOR INFORMATIONAL PURPOSES ONLY.IT IS NOT MEANT FOR DESIGN, LEGAL, OR ANY OTHER USES. THEREARE N O GUARANTEES REGARDING ACCURACY. S&ME, INC. ASSUMESNO RESPONSIBILITY FOR ANY DECISION MADE OR ANY ACTIONS TAKEN BY THE USER BASED UPON THIS EXHIBIT
REFERENCE:
SoF
SoF
SoF
SoF
SoE
W SrE
ChF
Drawing Path: F:\GIS Projects\Temp Projects\7126-19-034 White Oak Drag Rake Project\Figures\Exhibit 4 Soil.mxd plotted by RWalker 02-07-2020Scale:
Date:
Project Number
Exhibit No.
21 " = 100 'NRCS Soil Associations
³
100 0 10050 Feet
7126-19-034
2/7/2020White O ak Reser voir - Drag Rake Ex tensionDuke EnergyMacon County, N or th Caroli na
Legend
ChF - Cheoah Channery Loam 50 to 95 Percent Slopes
SoE - Soco-Stecoahh Complex 30 to 50 Percent Slopes
SoF - Soco-Stecoahh Complex 50 to 95 Percent Slopes
SrE - Spive y-Santeetiah Complex 30 to 50 Percent Slopes
W - Water
THIS EXHIBIT WAS DEVELOPED USING INFORMATION AND DATA FROMTHE FOLLOWING SOURCES:
- NRCS SOIL ASSOCIATIONS VIA WEBSOIL SURVEY - 2019
PLEASE NOTE THIS EXHIBIT IS FOR INFORMATIONAL PURPOSES ONLY.IT IS NOT MEANT FOR DESIGN, LEGAL, OR ANY OTHER USES. THEREARE NO GUARANTEES REGARDING ACCURACY. S&ME, INC. ASSUMESNO RESPONSIBILITY FOR ANY DECISION MADE OR ANY ACTIONS TAKEN BYTHE USER BASED UPON THIS EXHIBIT
REFERENCE:
White Oak Reser voir
1
Ronald Haden Walker
From:Brown, David W CIV USARMY CESAW (US) <[e-mail]>
Sent:Thursday, January 2, 2020 1:59 PM
To:Ronald Haden Walker
Cc:Annino, Amy M; [e-mail]
Subject:No Army Corps of Engineers Notification Required for Use of NWP 3 - White Oak Drag
Rake Extension (UNCLASSIFIED)
Attachments:2017NWP03.pdf
CLASSIFICATION: UNCLASSIFIED
S&ME, Inc.
Greenville, SC
Ronald Walker,
Reference is made to your e-mail of December 17, 2019, to utilize Nationwide Permit 3 (NWP 3), which authorizes
activities in waters of the U.S. (WoUS) associated with maintenance. The work you described includes extension of the
existing intake structure and replacement of the drag rack system at Duke Energy's White Oak Reservoir in the Aquone
community of Macon County, North Carolina. Coordinates are 35.22871 N, -83.63201 W. As described, the proposed
project would involve approximately 0.007 acres of new fill impacts to White Oak Creek.
On March 19, 2017, the regional conditions of NWP 3 pertaining to notification requirements changed. These changes
affect the requirements for submittal of pre-construction notification for work conducted in the western counties of
North Carolina. Based upon details provided for your project, you are not required to submit pre-construction
notification to our office. You may proceed with your work as proposed provided it is accomplished in accordance with
all the conditions of the attached NWP 3.
Your project is located in a North Carolina Wildlife Resources Commission designated trout watershed. Per regional
condition 1.2, no work in streams at this location can be conducted between October 15 and April 15 during the trout
waters moratorium.
This statement does not preclude the need to obtain other applicable federal, state, or local authorizations for your
project. The changes to NWP 3 may not affect the pre-construction notification requirements to receive the required
corresponding Clean Water Act Section 401 Water Quality Certification from North Carolina Division of Water Resources
(DWR). Please contact Amy Annino, at 828-296-4500, to determine the required pre-construction notification/permit
application submittal process for DWR.
If you have any questions regarding this information, you may contact me at 828-271-7980 x. 4232.
Sincerely,
David Brown, PG
Regulatory Specialist/Geologist
USACE Wilmington District-Asheville Regulatory Field Office
151 Patton Avenue, Room 208
Asheville, NC 28801-5006
828-271-7980, ext. 4232
[e-mail]
CLASSIFICATION: UNCLASSIFIED
1
Ronald Haden Walker
From:Tompkins, Bryan <[e-mail]>
Sent:Friday, January 10, 2020 9:21 AM
To:Ronald Haden Walker
Subject:Re: [EXTERNAL] White Oak Reservoir Drag Rake Extension
Good morning Mr. Walker. As you mentioned, I did receive an email with Mr. David Brown's response concerning PCN
submittal on the White Oak Reservoir Drag Rake Extension project. I appreciate you forwarding me the
additional information for our review and comments on the project. I have reviewed the information you provided and
the USFWS has no objection to the project as proposed. Also, according to our records, no federally listed species or
their habitats occur in the project area. Therefore, we believe the requirements under section 7 of the Act are
fulfilled. However, obligations under section 7 of the Act must be reconsidered if: (1) new information reveals
impacts of this identified action that may affect listed species or critical habitat in a manner not previously
considered, (2) this action is subsequently modified in a manner that was not considered in this review, or (3) a
new species is listed or critical habitat is determined that may be affected by the identified action.
We appreciate the opportunity to review this project. Please contact me at 828/258-3939, Ext. 42240, if you have any
questions. In any future correspondence concerning this project, please reference our Log Number 4-2-20-105.
Bryan Tompkins
U.S. Fish and Wildlife Service
160 Zillicoa Street
Asheville, North Carolina 28801
828/258-3939 ext.42240 (office)
828/450-7586 (cell)
NOTE: This email correspondence and any attachments to and from this sender is subject to the Freedom of Information Act (FOIA) and
may be disclosed to third parties.
On Tue, Jan 7, 2020 at 10:28 AM Ronald Haden Walker <[e-mail]> wrote:
Bryant
You were copied on a response to me from David Brown concerning the need for a PCN submittal. He
responded that a PCN would not be needed for the proposed work within the White Oak Reservoir. My
initial email to David with the project details and his response are attached.
On behalf of Duke Energy we are requesting your response for any authorizations that may be needed from
your office prior to the project starting in late April 2020. Please let me know if you need additional
information.
Thank You
2
Ronald H. Walker
Project Manager
Project Scientist
S&ME
48 Brookfield Oaks Drive, Suite F
Greenville, SC 29607 map
O: 864.297.9944
M: 864.590.3569
www.smeinc.com
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FRM—FHOF-00023. Rev. 71
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DUKE
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REGULATED RENEWABLES -HYDRO WEST
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WHITE OAK DRAG RAKE -CIVIL WORKS
95% Package for Replacement of Drag Rake
February 15, 2019
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CIVIL WORKS
DRAWING LIST
SEQ NO.
DRAWING NUMBER
DRAWING TITLE
1
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COVER SHEET/DRAWING LIST
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GENERAL SITE LAYOUT AND NOTES
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INTAKE EXTENSION - PLANS
4
S-02
INTAKE EXTENSION - SECTIONS
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\ 1. ALL DIMENSIONS ARE SHOWING U.S. UNITS.
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I TRASHRACK EQUIPMENT ILLUSTRATED IN THESE DRAWINGS WILL BE
EXISTING LOW LEVEL OUTLET PROVIDED BY OTHERS.
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E 617253.878 E 617263.847
N 570433.468 N 570434.284 SITE PLAN
SCALE: 3/16" = 1'-O"
NOTES: CONTRACTOR/VENDOR INFORMATION SEAL WHITE OAK DRAG RAKE
� FOSSIL HYDRO OPERATIONS DUKE
FACILITY: UNIT: SYSTEM: ENERGY®
Stantec
TITLE:
PRo�Ecr No: cc No: w.o. No: GENERAL SITE LAYOUT
SIZE: SCALE: PLOT: AND NOTES
ANSI—D NONE 1=1
DWG NO. REV. TITLE REV. DESCRIPTION DRAWN CHKD APPRVD DATE THE ABOVE IS RESERVED FOR VENDOR'S LOGO, NAME, ADDRESS, THE ABOVE IS RESERVED FOR THIS DRAWING IS THE PROPERTY OF DUKE ENERGY. SHT DWG NO: REV:
DRAWING REFERENCES DRAWING REVISIONS TELEPHONE NUMBER AND ANY REQUIRED REFERENCE NUMBERS. ALL PROFESSIONAL ENGINEER SEAL AND IS NOT TO BE REPRODUCED OR USED FOR ANY PURPOSE C-01
DRAWINGS TO BE PRODUCED IN AUTOCAD RELEASE 2000 OR LATER. USE INK - DO NOT EMBOSS EXCEPT AS SPECIFIED BY DUKE ENERGY.
VAULT CODE: D-
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User: rytan
WHITE OAK DRAG RAKESCALE: 1/2" = 1'-0"PLAN @ EL 2912.02'-3"2'-3"4'-4"6'-7"6'-7"3'-5"10'-0"1'-4"6
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"EL 2912.00STEEL GRATINGEL 2912.00(SEE NOTE 3)ƒƒT/BASE SLABEL 2900.00T/BASE SLABEL 2900.00#8 @ 12"#6 @ 12"#6 @ 12"#8 @ 12"#6
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#6 @ 12, EFTROLLEY TRACKSUPPORTEL 2913.75#6 @ 12"(SEE NOTE 2, TYP)AS-02AS-02BS-03BS-032
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"STRUCTURAL DESIGN CRITERIA: (CONT.)5.WIND 111 MPH BASIC WIND SPEED SURFACE ROUGHNESS = CATEGORY C EXPOSURE CATEGORY = C IMPORTANCE FACTOR = 1.06.SEISMIC Ss = 0.402 S1 = 0.111 SITE CLASS = B (ROCK) IMPORTANCE FACTOR = 1.0 SEISMIC DESIGN CATEGORY = BDESIGN PARAMETERS:1.BEARING CAPACITY OF ROCK = 16,000 PSF2.SLIDING STABILITY MINIMUM FACTOR OF SAFETY = 1.3 (W/O COHESION, UNUSUAL)3.OVERTURNING STABILITY = RESULTANT WITHIN THE MIDDLE 1/3 OF BASE4.FLOATATION STABILITY MINIMUM FACTOR OF SAFETY = 1.2 (UNUSUAL)NOTES:1.ANCHORS FOR TROLLEY TRACK SUPPORTS TO BE PROVIDED AND LOCATEDBY TRASHRAKE MANUFACTURER.2.CONTRACTOR TO LOCALLY ADJUST REINFORCEMENT AS REQUIRED TOAVOID TRASHRACK ANCHORS.3.PROVIDE STEEL GRATING IN 3 PANELS OF APPROXIMATELY EQUAL WEIGHT.4.INTAKE EXTENSION WALLS SHALL NOT BE BACKFILLED.GENERAL NOTES FOR CONCRETE:1.CONCRETE WORK SHALL CONFORM TO ACI 301, SPECIFICATIONS FORSTRUCTURAL CONCRETE.2.ALL REINFORCEMENT DETAILING AND PLACEMENT SHALL CONFORMTO ACI 318-14, BUILDING CODE REQUIREMENTS FOR STRUCTURALCONCRETE, UNLESS OTHERWISE NOTED.3.A 2" CONCRETE COVER FOR REINFORCEMENT SHALL BE PROVIDED.4.ALL STRUCTURAL CONCRETE SHALL HAVE A MINIMUM 4,500 PSICOMPRESSIVE STRENGTH.5.ALL LEAN CONCRETE SHALL HAVE A MINIMUM 3,000 PSICOMPRESSIVE STRENGTH.6.PROVIDE TOOLED EDGES FOR ALL CONSTRUCTION ANDCONTRACTION JOINTS ON SURFACES WHERE FLOAT OR STEELTROWEL FINISH IS REQUIRED.7.CONCRETE SURFACES EXPOSED TO THE FLOW OF WATER SHALL BESMOOTH AND FREE FROM SPALLS, HONEYCOMBS AND/OR POCKETS.8.ROUGHEN SURFACES OF PLACEMENTS AT CONSTRUCTION JOINTS(CONSTRUCTION JOINT TREATMENT).9.PROVIDE A 1/2" CHAMFER ALONG ALL EXPOSED CORNERS.GENERAL NOTES FOR METALWORK:1.ALL STEEL SHALL BE WELDED CONSTRUCTION AND GALVANIZEDUNLESS NOTED OTHERWISE.2.ALL SHEARED EDGES SHALL BE GROUND SMOOTH.3.ALL WELDS SHALL BE 3/16" CONTINUOUS FILLET WELDS, E70XXELECTRODE, UNLESS OTHERWISE NOTED.4.ALL CORNERS OF FRAMES SHALL BE MITERED AND WELDED INACCORDANCE WITH APPROVED SHOP PRACTICE.5.GRIND WELDS SMOOTH AND FLUSH ON BEARING AND EXPOSEDSURFACES.MINIMUM DEVELOPMENT AND LAP SPLICE LENGTHBAR SIZEMIN. DEVELOPMENT LENGTHMIN. LAP SPLICE LENGTH#312"16"#414"19"#518"23"#621"28"#731"40"#835"46"STRUCTURAL DESIGN CRITERIA:DESIGN CODES:1.ACI 318-14, BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE.2.ASCE 7-16, MINIMUM DESIGN LOADS FOR BUILDINGS & OTHER STRUCTURES.3.ASCE 37-14, DESIGN LOADS ON STRUCTURES DURING CONSTRUCTION.DESIGN LOADING:1.DEAD ACTUAL WEIGHTS OF CONSTRUCTION MATERIALS AND FIXED EQUIPMENT UNIT WEIGHT OF CONCRETE = 150 PCF UNIT WEIGHT OF STEEL = 490 PCF UNIT WEIGHT OF WATER = 62.4 PCF2.LIVE UNIFORM = 75 PSF CONCENTRATED = 300 LB TRASH RAKE TROLLEY SUPPORT COLUMN LOAD: VERTICAL = 16,000 LBS VERTICAL + 20% IMPACT LATERAL = 620 LBS LONGITUDINAL = 1,600 LBS (NOT CONCURRENT WITH LATERAL LOAD)3.HYDROSTATIC MAXIMUM RESERVOIR LEVEL = EL. 2912.0 MAXIMUM HEAD DIFFERENTIAL = 10-FT4.ICE 417 PLF HORIZONTAL LOAD APPLIED AT TOP OF WATER SURFACEEXISTING INTAKESTRUCTURETRASHRACKNOT SHOWNANCHORS FOR TROLLEYTRACK SUPPORTS NOTSHOWN (TYP, NOTE 1)REMOVE EXISTING GUARDRAIL,TRASHRACKS AND FRAMEFROM THE UPSTREAM FACEOF THE EXISTING INTAKEREMOVABLE GUARDRAIL(SEE NOTE 1, DWG S-02, TYP)EXISTING INTAKESTRUCTURE2'-3"4'-4"4'-4"
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"2'-0"1'-5"10'-0"SCALE: 1/2" = 1'-0"PLAN @ EL 2905.0CS-034'-2"CL INTAKESTRUCTURE EXTENSIONCL INTAKESTRUCTUREEXTENSION2'-0"3'-2"5'-0"2'-0"4'-2"2'-0"2
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6'-7"T/TROLLEY TRACKSUPPORTEL 2913.75CS-032'-3"4'-4"2'-0"DS-044'-4"4'-4"2'-3"6'-7"6'-7"CONTRACTIONJOINT 1'-3"“CONTRACTIONJOINTFLOW1
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"GENERAL NOTES FOR REINFORCEMENT:1.ALL REINFORCEMENT SHALL BE ASTM A615, GRADE 60.2.DEVELOPMENT AND LAP SPLICE LENGTHS SHALL BE AS FOLLOWS:
WHITE OAK DRAG RAKE2'-6"1'-0"1'-4"10'-8"2'-3"1'-4"T/TROLLEY TRACKSUPPORT EL 2913.75T/STEEL GRATINGEL 2912.00T/BASE SLABEL 2900.001616S-01SCALE: 1/2" = 1'-0"SECTIONAS-042S-043#6 @ 12, EF#6 @ 12"#6 @ 12", EF
#8 @ 12", EF#6 @ 12", EF
#6 @ 12", EF
#6 @ 122'-0"10'-0"#8 @ 12", EF#6 @ 12"4'-0" MIN3 - #6, EF#6 @ 12"EXISTING INTAKESTRUCTUREEXISTING INTAKESTRUCTURET/ROCK1'-9"LEAN CONCRETE4 - #8#6 @ 12REMOVABLE GUARDRAIL(SEE NOTE 1, TYP)S-0411.PROVIDE SINGLE AND/OR DOUBLE FACEMOUNTED REMOVABLE GUARDRAIL, EDGEFALL PROTECTION, LLC, OR APPROVEDEQUAL.NOTES:EXCAVATE TOCOMPETENT ROCK14FLOWEXISTING INVERTEL. 2900.00EL VARIES6"MAX. EL 2912.00NORMAL EL 2910.00FLOW14CONTRACTION JOINT
WHITE OAK DRAG RAKE#6 @ 12"CL INTAKESTRUCTUREEXTENSIONS-01SCALE: 1/2" = 1'-0"SECTIONB2'-0"4'-7"4'-7"2'-0"6'-7"6'-7"13'-2"4'-4"4'-4"2'-3"1'-9"12'-0"2'-3"T/STEEL GRATINGEL 2912.00T/TROLLEY TRACKSUPPORT EL 2913.75#8 @ 12"#6 @ 12"
#6 @ 12"T/BASE SLABEL 2900.0014LEAN CONCRETE6'-7"6'-7"13'-2"T/STEEL GRATINGEL 2912.00CL INTAKESTRUCTUREEXTENSIONS-01SCALE: 1/2" = 1'-0"SECTIONCS-044FLOATFINISH (TYP)STEEL TROWELFINISH#6 @ 12"S-0452'-3"#6 @ 12"#6 @ 12"2'-3"4'-4"4'-4"2'-3"#6 @ 12"#8 @ 12"12'-0"2'-3"
#6 @ 12"T/BASE SLABEL 2900.001414LEAN CONCRETESTEEL TROWELFINISH#6 @ 12"#6 @ 12"#6 @ 12"T/INTAKE STRUCTUREEXTENSION EL 2912.00#6 @ 12"EXCAVATE ROCK AS REQUIREDBASED ON FIELD CONDITIONSTO COMPETENT ROCKEXCAVATE TO COMPETENT ROCK14#8 @ 12"#8 @ 12"
WHITE OAK DRAG RAKE6"2'-3"14R = 1"#6 @ 12" O.C.#6 @ 12" O.C. (TYP)T/BASE SLABEL 2900.001'-0"1'-4"#3 STIRRUPS@ 12" O.C.#6#6EL 2912.001'-4"1'-0"2'-0"EL 2912.00#6#3 STIRRUPS@ 12" O.C.#6S-02SCALE: 2" = 1'-0"DETAIL1S-02SCALE: 2" = 1'-0"DETAIL2S-02SCALE: 2" = 1'-0"DETAIL3S-03SCALE: 2" = 1'-0"DETAIL41/4"3/8" x 4" HEADED CONCRETE STUD ANCHOR@ 24" MAX AND WITHIN 6" OF EACH OTHERBANDING BAR#6 @ 12
#6 @ 12"2'-3"EL 2912.00NO SCALEGRATING DETAILSEE GRATING DETAILSEE GRATING DETAILGALVANIZED STEELEMBEDDED FRAMEGALV. STEEL GRATING (19-W-4)LOAD BARS = 2 1/2" x 3/16" @ 1 3/16" O.C. SERRATEDCROSS BARS = 3/8" @ 4" O.C.FASTENERS = 4 SADDLE CLIPS PER PANEL#6 @ 12
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6 - #6EL 2912.002'-3"#8 @ 12"#6 @ 12"TROLLEY TRACKSUPPORTCJTOOLED EDGE (TYP)SEE GRATING DETAILS-03SCALE: 2" = 1'-0"DETAIL5#8 @ 12"#8 @ 12"FLOAT FINISHSEE GRATING DETAILPROVIDE AN EDGE DISTANCE OFAT LEAST 6" TO ANCHOR (TYP)TROLLEY TRACK SUPPORTAND ANCHORS BYTRASHRAKE MANUFACTURER1.STEEL GRATING AND EMBEDDED FRAMESSHALL BE FABRICATED PER NAAMMSTANDARDS AND TOLERANCES AND SHALLBE HOT-DIP GALVANIZED PER ASTM A123AFTER FABRICATION.NOTES:#6 @ 12" O.C.#8 @ 12"2'-0"TROLLEY TRACK SUPPORTEL 2913.751'-3"1'-0"ELEVATION TO BE DETERMINED INFIELD BASED ON EXISTING WALKWAY#8 @ 12"#8 @ 12"EL 2912.00#6 @ 12" (TYP)#6 @ 12"S-01SCALE: 2" = 1'-0"SECTIONDCONTRACTION JOINTLEAN CONCRETENOT SHOWN#8 @ 12"#8 @ 12"
User: rytan
WHITE OAK DRAG RAKE8'-0"#6 @ 12"#6 @ 12"8'-0"3'-0"#6 @ 12#6 @ 12"#6 @ 1241NON SHRINK GROUTCREST EL 2903.00CL CRESTA_8'-0"_SCALE: 1/2" = 1'-0"SECTIONASCALE: 1/2" = 1'-0"DETAIL1FLOWEXISTING CONCRETE DAMTROLLEY TRACK CONCRETE SUPPORTFOUNDATION (SEE NOTES 1 AND 2)EMBEDMENT PERTRASHRAKE TROLLEY TRACKSUPPORT MANUFACTURERTROLLEY TRACK SUPPORT, BASEPLATE AND ANCHORS BYTRASHRAKE TROLLEY TRACKSUPPORT MANUFACTURERTHICKNESS PER TROLLEY TRACKSUPPORT MANUFACTUREREXTENTS OF ROCK EXCAVATION BASED ONSUPPORT LOCATIONS AND ELEVATIONS PERTRASHRACK MANUFACTUREREXCAVATE DOWNTO COMPETENT ROCKC-01SCALE: 1/2" = 1'-0"DETAIL2C-011.TROLLEY TRACK SUPPORTS AND EMBEDDED ANCHORSNOT SHOWN. TROLLEY TRACK SUPPORTS SHALL BECENTERED ON CONCRETE FOUNDATION. TROLLEYTRACK SUPPORT ANCHORS SHALL BE LOCATED ATLEAST 6 INCHES FROM EDGE OF CONCRETE.2.FOUNDATION DESIGN IS BASED ON PRELIMINARYLOADS AND LOCATIONS. FOUNDATION DESIGN TO BEREVIEWED BY THE ENGINEER PENDING RECEIPT OFFINAL DESIGN FROM TRASHRAKE TROLLEY TRACKMANUFACTURER.NOTES:“/($1&21&5(7(