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HomeMy WebLinkAbout20081333 Ver 2_401 Application_20130613CLearWater 'DR - i333U2 ClearWater Environmental Consultants, Inc. June 18, 2013 www.cwenv com Mr. David Brown US Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville, North Carolina 28801 -2638 Ms. Karen Higgins ^� NC Division of Water Quality WeBSCape Unit 1650 Mail Service Center Raleigh, North Carolina 27699 -- RE: The Pines Recreation Area (formerly known as Lake Glenville Swim Area and PFA) - Duke Energy Carolinas, LLC Jackson County, North Carolina Action ID 2008 - 02544; DWQ Project #08 -1333 Mr. Brown and Ms. Higgins, The attached Pre- Construction Notification (PCN) is being submitted on behalf of Duke Energy Carolinas, LLC represented by Mr. Travis Sinclair. The project site is located off Pine Creek Road in Glenville, Jackson County, North Carolina. The applicant is seeking a General Permit 30 for impacts associated with construction of a swim beach and pier on Lake Glenville. Should you have any questions regarding the attached PCN and supplemental information please do not hesitate to contact me at 828 -698 -9800. A copy of this package has been sent to Mr. David McHenry of the NC Wildlife Resources Commission and Mr. Bryan Tompkins of the US Fish and Wildlife Service for review. A copy of this application has also been submitted to Mr. Kevin Barnett of the NC Division of Water Quality, Asheville Regional Office. Respectfully, .0n&V+C4A- Rebekah L. Newton Project Biologist Copy Furnished: NC Division of Water Quality, Asheville — Kevin Barnett NC Wildlife Resources Commission — Dave McHenry US Fish and Wildlife Service — Bryan Tompkins 224 South Grove Street, Suite F Hendersonville, NC 28792 828 - 698 -9800 Tel 828- 698 -9003 Fax R. Clement Ri dle, . .S Principal Corps Submittal Cover Sheet Please provide the following info: 1. Project Name: The Pines Recreation Area (formerly known as Lake Glenville Swim Area and PFA) 2. Name of Property Owner /Applicant: Duke Enemy Carolinas, LLC, Attn: Mr. Travis Sinclair 3. Name of Consultant/Agent: ClearWater Environmental Consultants, Inc. *Agent authorization needs to be attached. 4. Related/previous Action ID numbers(s): Action ID 2008 - 02544; DWQ Project #08 -1333 5. Site Address: Pine Creek Road 6. Subdivision Name: N/A 7. City: Glenville 8. County: Jackson 9. Lat: 35.197782 °N Long: 83.161124 °W (Decimal Degrees Please 10. Quadrangle Name: Glenville 11. Waterway: Lake Glenville/ThoMe Reservoir 12. Watershed: Little Tennessee 13. Requested Action: _ Nationwide Permit #_ _ General Permit # 30 _ Jurisdictional Determination Request Pre - Application Request The following information will be completed by the Corps office: AID: Prepare File Folder Assign number in ORM Begin Date Authorization: Section 10 Section 404 Project Description/Nature of Activity/Project Purpose: Site/Waters Name: Keywords: &e,aw ter Department of the Army Wilmington District, Corps of Engineers Attn: Scott McLendon, Chief Regulatory Division PO Box 1890 Wilmington, NC 28402 -1890 -and- NC Division of Water Quality Attn: Karen Higgins 1650 Mail Service Center Raleigh, NC 27699 -1650 1, the current landowner /managing partner of the property identified below, hereby authorize C1earWater Environmental Consultants, Inc. (CEC) to act on my behalf as my agent during the processing of permits to impact Wetlands and Water of the US that are regulated by the Clean Water Act and the Rivers and Harbors Act. CEC is authorized to provide supplemental information needed for permit processing at the request of the USACE or DWQ. Property Owner of Record: Duke Energy Property Owner Address: Duke Energy Carolinas, LLC EC12Q / PO Box 1006 Charlotte, NC 28201 -1006 Phone Number: 704 - 382 -6920 The Pines Recreation Area Property Location: 1950 Pine Creek Road, Cullowhee, NC 28723 Owner/Managing partner Signature: rav in air Date: June 12, 2013 224 South Grove Street, Suite F Hendersonville, NC 28792 Phone: 828 -698 -9800 Fax: 828-698-9003 www.cwenv.com I 1 > y Office use Only: Corps action ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Pre - Construction Notification PCN Form A. Applicant Information 1. Processing 1 a. Type(s) of approval sought from the Corps: T10 Section 404 Permit El Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: or General Permit (GP) number: 30 1c. Has the NWP or GP number been verified by the Corps? C9 Yes ❑ No 1d. Type(s) of approval sought from the DWQ (check all that apply): ® 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization 1e. Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: ❑ Yes ® No For the record only for Corps Permit: ❑ Yes ® No 1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu fee program. ❑ Yes ® No 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ❑ Yes ® No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2. Project Information 2a. Name of project: The Pines Recreation Area (formerly known as Lake Glenville Swim Area and PFA) 2b. County: Jackson 2c. Nearest municipality / town: Glenville 2d. Subdivision name: n/a 2e. NCDOT only, T.I.P. or state project no: n/a 3. Owner Information p 3a. Name(s) on Recorded Deed: Duke Energy Carolinas, LLC ..,.� 3b. Deed Book and Page No. Deed Book 142; Page No. 336 JUN 3c. Responsible Party (for LLC if applicable): Duke Energy Carolinas, 9Y LLC; Attn: Mr. Travis S cl 3d. Street address: EC120 / Post Office Box 1006 �nd8 Charlotte, North Carolina 28201 Ar,11y 3e. City, state, zip: 3f. Telephone no.: 704 - 382 -6920 3g. Fax no.: n/a 3h. Email address: Usinclairaeduke-energy.com Page 1 of 11 PCN Form — Version 1.3 December 10, 2008 Version 4. Applicant Information (if different from owner) 4a. Applicant is: ❑ Agent ❑ Other, specify: 4b. Name: 4c. Business name (if applicable): 4d. Street address: 4e. City, state, zip: 4f. Telephone no.: 4g. Fax no.: 4h. Email address: 5. Agent/Consultant Information (if applicable) 5a. Name: R. Clement Riddle 5b. Business name (if applicable): ClearWater Environmental Consultants, Inc. 5c. Street address: 224 South Grove Street, Suite F 5d. City, state, zip: Hendersonville, North Carolina 28792 5e. Telephone no.: 828 -698 -9800 5f. Fax no.: n/a 5g. Email address: rebekah @cwenv.com Page 2 of 11 PCN Form — Version 1.3 December 10, 2008 Version B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): 7555 -62 -4564 1 b. Site coordinates (in decimal degrees): Latitude: 35.197782 Longitude: - 83.161124 (DD.DDDDDD) (- DD.DDDDDD) 1c. Property size: +/- 55 acres 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to Lake Glenville (Thorpe Reservoir) proposed project: 2b. Water Quality Classification of nearest receiving water: WS -III, B, HOW 2c. River basin: Little Tennessee 3. Project Description 3a. 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 site includes a picnic area known as The Pines and an unofficial swimming area. Land use in the vicinity is residential, commercial, and recreational. 3b. List the total estimated acreage of all existing wetlands on the property: There are no wetlands within the project boundary. 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: There are no streams within the project boundary. 3d. Explain the purpose of the proposed project: The purpose of the proposed project is to construct a public fishing pier and swimming area to allow for public fishing and swimming access on Lake Glenville. 3e. Describe the overall project in detail, including the type of equipment to be used: This project includes the construction of a single fishing pier and swimming area that will allow for public fishing access and swimming on this portion of Lake Glenville. The proposed fishing pier is 75 feet waterward and will include 730 square feet of impact. The swimming area will require discharge of 1500 cubic yams of sand and 3500 cubic yards of soil fill to develop a swimming area of 21,000 square feet. A retaining wall will be constructed above the swimming area to protect it from further erosion and allow access (handicap accessible) down to the swim area. A Milliken concrete cloth will be utilized to create the base of the swimming area. The concrete cloth will be placed on the lake bottom and cured while the lake is drawn down. 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / El Yes [D No ❑Unknown project (including all prior phases) in the past? Comments: 4b. If the Corps made the jurisdictional determination, what type ❑ Preliminary ❑ Final of determination was made? 4c. If yes, who delineated the jurisdictional areas? Agency /Consultant Company: Name (if known): Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. Page 3 of 11 PCN Form — Version 1.3 December 10, 2008 Version 5. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? ® Yes ❑ No ❑ Unknown 5b. If yes, explain in detail according to "help file" instructions. A permit application was submitted to the DWQ on August 29, 2008. This application was withdrawn by the DWQ on October 27, 2008. DWQ Project # 08 -1333. 6. Future Project Plans 6a. Is this a phased project? ❑ Yes ® No 6b. If yes, explain. Page 4 of 11 PCN Form — Version 1.3 December 10, 2008 Version C. Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ❑ Wetlands ❑ Streams - tributaries ❑ Buffers ® Open Waters ❑ Pond Construction 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. 2b. 2c. 2d. 2e. 2f. Wetland impact Type of jurisdiction number — Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact Permanent (P) or (if known) DWQ — non -404, other) (acres) Temporary T W1 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W2 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W3 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W4 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W5 ❑ P [IT ❑ Yes ❑ Corps ❑ No ❑ DWQ W6 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ 2g. Total wetland impacts 2h. Comments: 3. Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this question for all stream sites impacted. 3a. 3b. 3c. 3d. 3e. 3f. 3g. Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact number - (PER) or (Corps - 404, 10 stream length Permanent (P) or intermittent DWQ — non -404, width (linear Temporary (T) (INT)? other) (feet) feet) S1 ❑ P [IT ❑ PER ❑ Corps ❑ INT ❑ DWQ S2 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S3 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S4 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S5 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S6 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ 3h. Total stream and tributary impacts 3i. Comments: Page 5 of 11 PCN Form — Version 1.3 December 10, 2008 Version 4. Open Water Impacts If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number - (if applicable) Type of impact Waterbody type Area of impact (acres) Permanent (P) or Temporary T 01 ®P ❑ T Lake Glenville Fishing Pier Lake 0.017 (730 sq. ft.) 02 ®P ❑ T Lake Glenville Swim Beach Lake 0.482 (21,000 sq. ft.) 03 ❑P ❑T 04 ❑P ❑T 4f. Total open water impacts 0.499 AC 4g. Comments: 5. Pond or Lake Construction If pond or lake construction proposed, then complete the chart below. 5a. 5b. 5c. 5d. 5e. Wetland Impacts (acres) Stream Impacts (feet) Upland Pond ID Proposed use or purpose (acres) number of pond Flooded Filled Excavated Flooded Filled Excavated Flooded P1 P2 5f. Total 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes ❑ No If yes, permit ID no: 5i. Expected pond surface area (acres): 5j. Size of pond watershed (acres): 5k. Method of construction: 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below. If any impacts require mitigation, then you MUST fill out Section D of this form. 6a. ❑ Neuse C] Tar-Pamlico ❑Other: Project is in which protected basin? ❑ Catawba ❑ Randleman 6b. 6c. 6d. 6e. 6f. 6g. Buffer impact number - Reason Buffer Zone 1 impact Zone 2 impact Permanent (P) or for Stream name mitigation (square feet) (square feet) Temporary T impact required? 61 ❑P [IT El Yes ❑ No B2 ❑P ❑T ❑Yes ❑ No B3 ❑P ❑T ❑Yes ❑ No 6h. Total buffer impacts 61. Comments: Page 6 of 11 PCN Form - Version 1.3 December 10, 2008 Version D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. The project has been designed to minimize impacts. The retaining wall proposed will be well above the full pool elevation of the lake. The pier has been designed and will be constructed perpendicular to the shoreline. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. The lake will be drawn down for construction reducing potential impacts at the site. 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? ❑ Yes ® No 2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps 2c. If yes, which mitigation option will be used for this project? ❑ Mitigation bank ❑Payment to in -lieu fee program ❑ Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: 3b. Credits Purchased (attach receipt and letter) Type Quantity 3c. Comments: 4. Complete if Making a Payment to In -lieu Fee Program 4a. Approval letter from in-lieu fee program is attached. ❑ Yes 4b. Stream mitigation requested: linear feet 4c. If using stream mitigation, stream temperature: ❑ warm ❑ cool []cold 4d. Buffer mitigation requested (DWQ only): square feet 4e. Riparian wetland mitigation requested: acres 4f. Non - riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: 5. Complete if Using a Permittee Responsible Mitigation Plan 5a. if using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. Page 7 of 11 PCN Form — Version 1.3 December 10, 2008 Version 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ 6a. Will the project result in an impact within a protected riparian buffer that requires buffer mitigation? ❑ Yes ❑ No 6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the amount of mitigation required. Zone 6c. Reason for impact 6d. Total impact (square feet) Multiplier 6e. Required mitigation (square feet) Zone 1 3 (2 for Catawba) Zone 2 1.5 6f. Total buffer mitigation required: 6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund). 6h. Comments: Page 8 of 11 PCN Form — Version 1.3 December 10, 2008 Version E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1a. Does the project include or is it adjacent to protected riparian buffers identified ❑ Yes ® No within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse flow plan included? If no, explain why. ❑ Yes ❑ No Comments: 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? <13.5 % 2b. Does this project require a Stormwater Management Plan? ® Yes ❑ No 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: The applicant will be submitting a stormwater management plan to the DWQ Stormwater Program for review and approval. ❑ Certified Local Government 2e. Who will be responsible for the review of the Stormwater Management Plan? ® DWO Stormwater Program ❑ DWQ 401 Unit 3. Certified Local Government Stormwater Review 3a. In which local government's jurisdiction is this project? ❑ Phase II 3b. Which of the following locally - implemented stormwater management programs ❑ NSW ❑ USMP apply (check all that apply): ❑ Water Supply Watershed ❑ Other: 3c. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ❑ No attached? 4. DWQ Stormwater Program Review ❑ Coastal counties ® HOW 4a. Which of the following state4mplemented stormwater management programs apply ❑ ORy (check all that apply): ❑ Session Law 2006 -246 ❑ Other: 4b. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ® No attached? S. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ❑ Yes ❑ No 5b. Have all of the 401 Unit submittal requirements been met? ❑ Yes ❑ No Page 9 of 11 PCN Form — Version 1.3 December 10, 2008 Version F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1a. Does the project involve an expenditure of public (federal /state/local) funds or the El Yes No use of public (federal /state) land? 1 b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State ❑ Yes ❑ No (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1c. if you answered "yes" to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.) ❑ Yes ❑ No Comments: 2. Violations (DWQ Requirement) 2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ❑ Yes ® No or Riparian Buffer Rules (15A NCAC 2B .0200)? 2b. Is this an after -the -fact permit application? ❑ Yes ® No 2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): 3. Cumulative Impacts (DWQ Requirement) 3a. Will this project (based on past and reasonably anticipated future impacts) result in ❑ Yes ® No additional development, which could impact nearby downstream water quality? 3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy. If you answered "no," provide a short narrative description. The area that is proposed for improvements is an area that is already being used by people wanting to recreate at the lake. Improving this area will not result in further development that would impact downstream water quality. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Pump and haul toilets will be utilized on site. Page 10 of 11 PCN Form — Version 1.3 December 10, 2008 Version 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or ❑ Yes ® No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ❑Yes ®No impacts? 5c. If yes, indicate the USFWS Field Office you have contacted. [I Raleigh ❑ Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? FWS county data and Natural Heritage Program Virtual Workroom. 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ❑ Yes ® No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? South Atlantic Habitat and Ecosystem IMS. Impact will not occur in a marine system. 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 ❑ Yes ® No status (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? National Register of Historic Places records maintained by the NC State Historic Preservation Office (SHPO) and available on SHPO's HPOWEB GIS Service. There is one listed property within 3 miles of the project site: Thorpe Dam and Spillway (SHPO Reference # JK0382) located approximately 0.5 mile from the project site. The Thorpe Dam and Spillway was "determined eligible" in 1999. It is the opinion of CEC, that proposed activity is not likely to threaten the integrity of this site. 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA - designated 100 -year floodplain? ® Yes ❑ No 8b. If yes, explain how project meets FEMA requirements: A floodplain development permit was issued by Jackson County on May 29, 2013 (Permit # 2013 -F66) 8c. What source(s) did you use to make the floodplain determination? FEMA Map Service Center — Map Number 3700755500J. NC Floodplain Mapping Program — Digital Flood Insurance Rate Map (DFIRM) panel 7555 (effective 04/19/10). Applicant/Agent's Printed Name Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 11 of 11 PCN Form — Version 1.3 December 10, 2008 Version The Pines Recreation Area O n . " O rn O Q it CD , ^WS l 1 J � � s • p � , � � .. 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NORTH CAROIJNA !Ili I 11 I 2 i BARmE 40 WA®OONER SC SUMNER & M v CANNON, INC. f� -'Q V EMBINEERa PLANNERS LANDSCAPE ARDNREDTB AND SURVEYORS ti0 arem Sn t.9e1. ZOO Cnatten.S,G?w STC 1110x! IQLiIa -]ea r1Y tfDIAhNTI Representative Photographs Photographs Photo 1. Existing recreational area. Photo 2. Existing parking area on south side of road. Photo 3. Existing parking area on north side of road. Photo 4. Water's edge. Agency Correspondence Sinclair, Travis L From: Mark A_Cantrell @fws.gov Sent: Friday, October 05, 2012 1:50 PM To: Sinclair, Travis L Subject: RE: Duke Energy's proposed Pines Recreation Area (swim area)on Lake Glenville Travis: Thanks fo rthe clarification on the drawdown. I do not object to the designs or the installation as described. thanks, Mark "Sinclair, Travis L" < Travis .Sinclair@duke- energy.com> 10/05/2012 01.31 PM Mark, To "Mark A Cantrell@fws gov" <Mark_A_Cantrell@tws.gov> cc Subject RE- Duke Energys proposed Pines Recreation Area (swim area)on Lake Glenville Thanks for the response. Currently the installation plan is to install and cure the concrete in the dry with a lake draw down below the toe end of the cloth. Hydro Operations current proposed plan would be draw the lake down 12ft using gate operations. The gates are 12ft in height, thus after the 12ft draw down Hydro Operations will then use the hydro power plant to generate to further draw the lake down. In the event inflows into the lake from rain outpace the ability for the station to pull down the lake beyond 12 ft, then a small portion of the cloth will extend into the water. This will be a relatively small portion of the cloth as it protects the 2:1 slope of the rip rap (right hand side of the detail provide in the plans). The vast majority of the cloth will be installed and cured in the dry utilizing the 12ft draw down controlled by the gate. Again any installation in the water will be minimized and will only happen if inflows outpace the ability to draw down the lake. I am currently not planning to attend the meeting on Oct. 2e, however if you believe it would beneficial to discuss with you and others onsite I can make sure I am there. Thanks, Travis L. Sinclair Water Strategy, Hydro Licensing and Lake Services Duke Energy Carolinas, LLC 526 S Church Street, EC120 I Charlotte, NC 28201 -1006 o 704 - 382 -6920 I c 704- 681 -2703 1 f 704- 382 -8614 travis.sinclair @duke- energy.com I www.duke- energy.com From: Mark-kCantrell@fws.gov Cantrell @fws.gov [mailto:Mark A Cantrell @fws.gov] Sent: Friday, October 05, 2012 1:03 PM To: Sinclair, Travis L Subject: Re: Duke Energy's proposed Pines Recreation Area (swim area)on Lake Glenville Travis: The designs and this concrete cloth product look like they will be appropriate for the site. The berm and fabric underlay will hopefully reduce the rate of sand loss from the swim area and beach, and provide a good swimming substrate. I am most concerned about the pH of the concrete cloth during curing, especially if it is done in or near the water. The Table 4 specs show pH of 11 - really base, approaching caustic. Ammonia has a pH of 11. Will the concrete cloth be cured in the dry? Will the reservoir be drawn down below the concrete cloth /berm area during installation? I will not be available for the Oct 15th meeting, but I think we will be in the Pines Recreation Area with Steadman on Oct 26th.. thanks, Mark A. Cantrell U.S. Fish & Wildlife Service 160 Zillicoa Street Asheville, NC 28801 828/258 -3939, ext 227 mobile: 828/215 -1739 "Sinclair, Travis V <rravis .Slnclalr@duke- energy.com> 10/05/2012 10:10 AM Mark, To "Mark A Cantrell@tws.gov" <Mark_A cantrell@fws.gov> cc Subject Duke Energys proposed Pines Recreation Area (swim area)on Lake Glenville I hope this note fords you well. Duke has been discussing best management practices and operational feasibility for the construction of the swimming area at the Pines Recreation Area on Lake Glenville. One proposed alternative solution is to utilize concrete cloths to assist in the stabilization and constructability of the swim area while attempting to minimize lake draw down. I have not personally used the concrete cloth, however I have researched the product and provide that research below. I have attached a number of items listed below and I am requesting you review and provide some feedback. From a construction and engineering stand point this alternative is a solid, feasible solution. You have the experience and expertise from the aquatic fish and habitat view and your feedback would be most helpful. Per our License and approved Recreation Management Plan we are planning to construct this site next year, which means we intend to seek full permits later this year. However, we want your feedback and input before we move forward with this alternative. Joe Carriker and myself will be meeting with the Army Corp in Asheville on October 15'b. If you are available that day then we could meet you at your office and discuss. Attached Documents: a Engineering Design Plans — Concrete Cloths shown on the plan sheet and in the details for the swim beach. • Milliken Concrete Cloth Date Sheet • Milliken Concrete Cloth Users Guide • Milliken Concrete Cloth Case Study — The cloth was placed (submerged) into the lake and used as a boat ramp extension ■ CTL Environmental Test of the Concrete Cloth — Lab test verifying the use of the system in water applications. I look forward to hearing you insight and feedback soon as we approach the time to seek full permits. Please call if you have questions on our thoughts and installation process. Sincerely, Travis L. Sinclair Water Strategy, Hydro Licensing and Lake Services Duke Energy Carolinas, LLC 526 S Church Street, EC12Q I Charlotte, NC 28201 -1006 o 704- 382 -6920 1 c 704- 681 -2703 1 f 704 -382 -8614 travis.sinclair @duke - energy.com I www.duke - energy.com [attachment "Milliken—CC UserGuide.pdf' deleted by Mark A Cantrell /R4 /FWS /D01] [attachment "Milliken—Concrete Cloth _CaseStudy.pdf' deleted by Mark A Cantrell /R4 /FWS /D01] [attachment "CTL Environmental Testing 090712.pdf' deleted by Mark A Cantrell /R4 /FWS /D01] [ attachment "Milliken_CC_DataSheet.pdf' deleted by Mark A Cantrell /R4 /FWS /D01] [attachment "The Pines Recreation Area Design Drawings (10- 4- 12).pdf' deleted by Mark A Cantrell /R4 /FWS /D01] Rebekah Newton From: Clement Riddle Sent: Friday, June 07, 2013 3:07 PM To: Rebekah Newton Subject: FW: The pines and concrete cloths From: McHenry, David G. fmailto :david.mchen[y(@ncwildlife.orgj Sent: Monday, May 13, 2013 2:46 PM To: Dement Riddle Cc: Yow, David L; Wheeler, A. Powell; Goudreau, Chris J.; Mark A Cantrell@)fws.g Subject: RE: The pines and concrete cloths Hey Clement, We understand that this will be done on the "dry" lake bed during a fall draw -down. The blanket will be placed and sprayed with water to allow it to cure. We don't anticipate any major adverse effects of this on fisheries in the lake, though we do recommend coordinating the work with a dry period and minimizing the run -off of set -up water, if applicable. Thanks for checking with WRC. Dave From: McHenry, David G. Sent: Monday, May 06, 2013 8:55 AM To: Goudreau, Chris J.; Mark A Cantrell(afws.gov Cc: 'Clement Riddle; Yow, David L; ( Dowell .wheelerancwildlife.org) Subject: RE: The pines and concrete cloths http://concretecloth.m!Iliken.com/Paizes/home.aspx Gentlemen, Mr. Riddle sent me this information about a "concrete blanket" product that Duke wants to use I believe to form a base for a beach swim area on Lake Glenville. In addition to the video links showing its use for a boat ramp extension, above is the product website. The website MSDS mentions an exothermic reaction and elevated pH 11 -11.5 when contacted with water, but I do not know what the zone of "effect" there would be in the lake. For other past projects, I've looked at some research on the use of grout in streams; it causes pH rises up to 12 that obviously decreases in time and distance proportional to flow. Anyway, is anyone familiar with the use of this material? Are there any concerns with its use in the lake? Do you have any suggestions for mitigative measures, if needed? Any suggestions would be much appreciated. Thank You Dave McHenry NCWRC Habitat Conservation Biologist 828/452 -0422 x24 From: Clement Riddle fmailtoxlement(ftwenv.coml Sent: Thursday, April 25, 2013 8:19 AM To: McHenry, David G. Subject: FW: The pines and concrete cloths David, Here is the concrete blanket that we talked about. Clement From: Wiatt Wehunt fmailtlo :Wiatt.WehuntCalbwsc.net Sent: Thursday, Apol18, 2013 5:31 PM To: Clement Riddle Subject: The pines and concrete cloths Clement, A little more info on the concrete cloth. Below is a link to YouTube of case study done on the East Fork Boat Ramp Extention (I'm not sure where the East Fork is) where they installed the cloth in the wet by grading the lake bottom, pulling the cloth out and sinking it into the water. I've also added a link to the "concrete tent" video. Additionally, Travis Sinclair has already spoken to Mark Cantrell at the US Fish & Wildlife about this product, sent information and has letter from Mark saying that they are ok with the use of this product in this application. Watch the video's below, very interesting. http : / /www.youtube.com /watch?v =R foWuak0v4 http.-/Iwww.youtube.com/watch?v=VblpdvvoVoQ Matt Wehunt, P.E. 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