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HomeMy WebLinkAbout20120802 Ver 1_401 Application_20120812L, 20120802 T.E. ALLEN ENGINEERING, P.C. Post Office Box 103 Rosman, North Carolina 28772 Phone (828) 877 -4883 Firm # C -1997 Fax (828) 877 -4893 August 21, 2012 SUBJECT: Kneisley Dam, James W. Kneisley Residence, Lot 58 Revised, Cedar Hill Subdivision, P.O. Box 1266, Cashiers, Jackson County, NC NC DWQ, 401 /Wetlands Unit 1650 Mail Service Center Raleigh, NC 27699 -1650 Dear DWQ: Enclosed, please find five (5) copies of the 401/404 application (PCN form). A check for the application review fee is also enclosed. This project is for a new reinforced concrete dam on the upper reaches of Rochester Creek, in the Cedar Hill Subdivision, Cashiers, North Carolina. Rochester Creek is classified as C; Tr:+ from its source to the Horsepasture River. Due to the topography, there is no opportunity for -an off -line impoundment on the parcel. The proposed dam is 68 -ft long and will have a hydraylic height of 8 -ft. The impountment will be 0.08 acre (3,528 Square feet). The impoundment vol will be approximately 0.32 Acre -Feet. The Owner reports that the parcel has approximately 900 linear feet of stream frontage. The total disturbed trout buffer will be 82 linear feet including the dam and impoundment. The impoundment is for recreational use and improved aquatic habitat. See attached Sketches SK -1 thru SK -7. By copy of this letter, a trout buffer variance is hereby requested from the NCDENR — Division of Land Resources (igpplicable). The buffer disturbance is less than ten percent of the stream frontage. All disturbed areas not to be filled or flooded will be vegetated pursuant to the seeding schedule in the Erosion and Sediment Control Planning and Design Manual. Two (2) full size plan sets have been submitted under separate cover to the NCDENR -DLR Dam Safety Engineer for review. An "exemption letter" dated July 5, 2005 was previously issued by the NCDENR Dam Safety. If you have any questions or require any additional information, please do not hesitate to contact me at (828) 877 -4883 or email teal leneng_kcitcom.net. Sincerely, r, G• A V, Te Allen, P.E. Consu ting Engineer D @ j o- AUG 2 4 2012 PENR . ands &�� ou,L1n . �1 k> Enclosures Copy Furnish w/ attachment: 401 PERMITTING Ms. Susan Wilson NCDENR Division of Water Quality 2090 US Hwy 70 Swannanoa, NC 28778 828 - 296 -4500 NC FISH & WILDLIFE PERMITTING NC Wildlife Res. Commission Old Fish Hatchery Attn: Mr. Dave McHenry 20830 Great Smoky Mtn. Expressway Waynesville, NC 28786 USACE 404 PERMITTING Mr. David Brown Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Ave, Room 208 Asheville, NC 28801 -5006 TROUT BUFFER VARIANCE Mr. Gray Hauser, Jr., PE Division of Land Resources Land Quality Section 1612 Mail Service Center Raleigh, NC 27699 -1612 JACKSON COUNTY PLANNING Mr. Tony Elders Land Development Administrator Jackson County Planning Office Jackson County Justice /Admin. Center 401 Grindstaff Cove Rd., Suite A -258 Sylva, NC 28779 5 copies of 401/404 PCN Application Form Check for application review fee 1 copy of 401/404 PCN Application Form and Sketches SK -1 thru SK -7 1 copy of 401/404 PCN Application Form and Sketches SK -1 thru SK -7 1 copy of 401/404 PCN Application Form and Sketches SK -1 thru SK -7 1 copy of 401/404 PCN Application Form and Sketches SK -1 thru SK -7 1 copy of 401/404 PCN Application Form and Sketches SK -1 thru SK -7 20 1 2080 2 \o�oF wArF'4pG Office Use Only: Corps action ID no. M o < 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: ®Section 404 Permit El Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: 29 or General Permit (GP) number: 1 c. Has the NWP or GP number been verified by the Corps? ® Yes ❑ No 1 d. 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 1 e. Is this notification solely for the record For the record only for DWQ 401 For the record only for Corps Permit: because written approval is not required? Certification: ❑ Yes ® No ❑ Yes ® No 1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation ❑ Yes ® No of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu fee program. 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑ Yes ® No below. 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2. Project Information 2a. Name of project: KNEISLEY DAM (See attached sketches SK1 thru SK7) 2b. County: JACKSON 2c. Nearest municipality / town: CASHIERS 2d. Subdivision name: CEDAR HILL SUBDIVISION 2e. NCDOT only, T.I.P. or state N.A. project no: 3. Owner Information 3a. Name(s) on Recorded Deed: JAMES KNEISLEY 3b. Deed Book and Page No. BOOK 1681 PAGE 606 3c. Responsible Party (for LLC if applicable): 3d. Street address: P.O. BOX 1266 3e. City, state, zip: CASHIERS, NC 2871'A'7 ` 3f. Telephone no.: 828 - 743 -9096 3g. Fax no.: 828 - 421 -7497 AUG 3h. Email address: jwkincnc @hotmail.com Wedando a A R OuAI � &anTMfi 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. AgentlConsultant Information (if applicable) 5a. Name: Mr. Terry E. Allen, PE 5b. Business name (if applicable): T.E. ALLEN ENGINEERING, PC 5c. Street address: P.O. BOX 103 5d. City, state, zip: ROSMAN, NC 28772 5e. Telephone no.: 828 - 877 -4883 5f. Fax no.: 828 - 877 -4893 5g. Email address: tealleneng@citcom.net 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): 7582 -32 -1704 1 b. Site coordinates (in decimal degrees): Latitude: 35.117987 Longitude: - 83.07131 (DD.DDDDDD) (- DD.DDDDDD) 1 c. Property size: 4.39 acres 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to ROCHESTER CREEK proposed project: 2b. Water Quality Classification of nearest receiving water: C; TROUT 2c. River basin: SAVANNAH 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 is situated on a 4.39 Acre parcel in the Cedar Hill Subdivision in Cashiers, NC. The site is wooded and heavily vegetated. Rochester Creek crosses the parcel from east to west. 3b. List the total estimated acreage of all existing wetlands on the property: None within project site. 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 900 LF ( + / -) 3d. Explain the purpose of the proposed project: To create a small impoundment for private recrational use and aquatic habitat. 3e. Describe the overall project in detail, including the type of equipment to be used: Install new reinforced concrete arch dam across the upper reaches of Rochester Creek. The Dam is to be situated downstream from the base of the existing falls on Rochester Creek. The Dam is to have a Hydraulic Height of 8 -Ft, Centerline Length 68 -Ft, Impoundment surface area 0.08 acres, and Impoundment vol 0.32 Ac -Ft. The principle spillway shall be a bottom draw cold water release type suitable for trout waters. Due to the steep topography bordering the the site, an off -line pond is not feasable. See attached Sketches Sk1 thru SK7. The creek will be temporarily diverted (piped) around the Dam site to create a dry work area. The length of the temporary diversion culvert will not exceed 149 - Ft. The construction work will be accomplished by using the smallest equipment capable of safely perform the subgrade excavation. Equipment shall work from dry work area created by the stream diversion. No equipment will be placed in the creek. Sould the dry work area need to be dewatered during construction; sedimentation and turbidity will be controlled by pumping. All dewatering discharge shall have a turbidity of not more than 10 NTUs above background or as otherwise specified in DWQ's Turbidity Standards (15A NCAC 02B.0211(3.)(k.)). To satisfy the required turbidity limit, the dewatering pump discharge shall be filtered through a Bag Filtration Unit equal to Model BF -400 from Rain- for -Rent with a 100 to 1 micron nominal rating (P.O.C. at Rain - for -Rent is Jeremy at 704 - 393 - 3345). The turbidity level of all discharge shall be monitored with calibrated turbidity meters and the filtration equipment shall be adjusted as necessary to insure compliance with Water Quality Standards. The water downstream of the work area shall likewise be monitored with calibrated turbidity meters and the turbidity control measures shall be adjusted as necessary to insure compliance with Water Quality Standards. Uncured concrete shall not be allowed to come into direct contact with surface waters. This will be accomplished by establishing a "dry work area" as described above. "High Early" concrete shall be used in the work to minimize curing time. Page 3 of 11 PCN Form — Version 1.3 December 10, 2008 Version 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project (including all prior phases) in the past? Comments: ❑ Yes ❑ No ® Unknown 4b. If the Corps made the jurisdictional determination, what type of determination was made? ❑ preliminary ❑ Final 4c. If yes, who delineated the jurisdictional areas? Name (if known): Agency /Consultant Company: Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. 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. 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 1 a. 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 ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W6 ❑ P ❑ T ❑ Yes El Corps El 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 ❑ T Concrete Dam Rochester Creek ® PER ❑ INT ® Corps ® DWQ g 10 S2 ®P ❑ T Impoundment behind Dam (0.08 Rochester Creek ® PER INT ® Corps ®DWQ 8 72 Acres) S3 ❑ POT Temporary Creek Diversion (Pipe Rochester Creek ® PER ❑ INT ® Corps ® DWQ 8 149 Around) 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 149 3i. Comments: Impacts are necessary to Construction Dam and Pond. 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 02 ®P ❑T 03 ❑P ❑T 04 ❑ PEI T 4E Total open water impacts 4g. Comments: S. 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 Rochester Creek 72 10 0.08 P2 5E Total 1 72 10 0.08 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes No If yes, permit ID no: 5i. Expected pond surface area (acres): 0.08 Acres 5j. Size of pond watershed (acres): 50 Ac +/- 5k. Method of construction: Concrete Placement 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 ❑ 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 impact required 61 ❑P ❑T ❑Yes ❑ No B2 []PMT El Yes ❑ No B3 ❑P ❑T ❑Yes ❑ No 6h. Total buffer impacts 6i. 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. Work shall be performed during periods of normal flow or low flow. No work shall be performed during high flow or flood conditions. No work shall be performed when unusually severe weather is forecasted. The work area shall be secured and protected from scour and erosion when high flow and severe weather is forecasted. Work shall be performed in- the -dry to the extent practicable. Sand bags shall be used as a coffer dam for the temporary creek diversion (pipe around) to create a dry work area for the Dam construction. No equipment shall be placed in the creek water. A dry work area will be created to comply with Water Quality Standards. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. To minimize disturbance during construction, the work will be accomplished with the smallest mechanical equipment practicable, and equipment will be located in the dry work area after the creek has been diverted. No equipment shall be located in the creek water. Sand bags and turbidity curtains will be used around the work area. The upland disposal area for the excavated materials from the footer excavation have no return water and there will be no wetlands impacted. Concrete placement will be accomplished "in the dry" by installing a sand bag coffer dam around the proposed work area. The dewatering discharge will be filtered to DWQ Water Quality Standards prior to release. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for ❑ Yes ® No impacts to Waters of the U.S. or Waters of the State? 2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps ❑ Mitigation bank 2c. If yes, which mitigation option will be used for this El Payment to in -lieu fee program project? ❑ 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 Page 7 of 11 PCN Form —Version 1.3 December 10, 2008 Version 5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. 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: Should project exceed 10% or 1 00' in 1000', a trout buffer waiver will be sought from NCDENR - Div of Land Resources 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 1 a. 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? % 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: ❑ Certified Local Government 2e. Who will be responsible for the review of the Stormwater Management Plan? ❑ DWQ 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 ❑ HQW 4a. Which of the following state - implemented stormwater management programs apply ❑ ORW (check all that apply): ❑ Session Law 2006 -246 ❑ Other: 4b. Has the approved Stormwater Management Plan with proof of approval been attached? ❑ Yes ❑ No 5. 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) la. Does the project involve an expenditure of public (federal /state /local) funds or the ❑ Yes ® No use of public (federal /state) land? 1b. 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)? 1 c. 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 ❑ Yes ❑ No letter.) 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 26 .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. 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. N/A 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 habitat? ❑ Yes ® No 5b. Have you checked with the USFWS concerning Endangered Species Act impacts? ❑ Yes ® No 5c. If yes, indicate the USFWS Field Office you have contacted. El Raleigh ❑ Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? 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? 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 (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? ❑ Yes ® No 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA- designated 100 -year floodplain? FEI es ❑ No 8b. If yes, explain how project meets FEMA requirements: 8c. What source(s) did you use to make the floodplain determination? FEMA Firm Map James W. Kneisley Applicant/Agent's Printed Name .. AM 1A 8 -21 -2012 Date Applicant/Agent's i ture (Agent's signs a is valid only if an authorization letter fro the applicant is provided.) Page 11 of 11 PCN Form — Version 1.3 December 10, 2008 Version N o D rn � J D u r rn (n c K M v r D Z M X Z G7 C7 O Z O Z (n i i Z O �2 Vd r--i r U) L'J rrl l 1 00 vO W ONDw 3 0v 9 I S a o 0�. (Dmy'm l7 .N.� fp X � O. 7 O�ZNOO 3 i0 0 01 1D O W 3 KNEISLEY DAM T.E. 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ALLEN ENGINEERING PC OY o ° o � o m T M 0 m= X(A + 'WM 0 3 g re o° c � (en) Fn-+M o 0 M (� s� m O v A Cedar Hill Subdivision ° -_° o � o ° m 0 i9 CL z x O tu FAX (8m m- w .zai : ftft. d ° 6 ' 1 `c C r•i z m < c)M c vo �M / Nv=!I --1 0 0 0o " z w n 00 m N O�yzl+� I N o D °D >;U FE ;a in m 0£4£ 1i A OD mm o D N r my x x x °° X cCi'^z .,° DZ -n mm in rA c i; mz J D vm� 4 +rn3 �� Mo II r a'''n Pc -n o s 0 ..3 5�D I 0) (n O r*i -< N Z rn - '- - -__ - m �'-- _ - -�:�- �"' --ip rr V Z G \ x v \ •'•' m z EVE AEVG _ \ \ �. 5; D z ` \'��.' \ �• .1 ���� x � .x, ` oom ` o x M m \ x M x \ m D \ , x D M vv_m r \ ` \\ Sad O C \ x`�\ O x zrr- r rr v_i Z \\ w m mm C� rmir�* xDAr� tnvmXZV •� Cq �w 0 (�� � ;0> fN*i�.C20 J. AA z w N OV V 2 �Z MW 0>_r- D � { -A >� M-0 AA Uf �p j, D �� N --jM N� _Or—CO il �mmvr l OD r�* { V) OD c N N� q *; °�� Z5 D D � m 0 o zzm�zv ?o m3 � � rn �� R° D�i0A� m D n I 50 rn0 A1rDODO N n 3 N 0 r 5 - 0 IC 0 O ;0 i KNEISLEY DAM James W. Kneisley Residence T.E. ALLEN ENGINEERING PC OY o ° o � o m T Lot 58 Revised + 'WM 0 3 g re � (en) Fn-+M o 0 M (� Cedar Hill Subdivision ° -_° o � o Cashiers, NC 28717 FAX (8m m- w .zai : ftft. d ° 6 ' 1 `c KNEeLE Y DAM Ames W.K«.mY�s. «e T.E. ALLEN ENGINEERING P 03 / °& �| | \ ms_ _ .(0 \� || | Lot q�v�d \ (f / | Cedar +HS « »mrn \� 2( - Cashiers, NC A717 _ _: __ % 3 f�\ . � � e p k � § i \ z n K o ;, ■ «� / | }M a xM fill." � i! ■E - |!!# f rir� El `! ., �� B� £2H fUN �� , / �k k _o 0 / 0� LI x « • cm 3 V.0 & ■ §| & <3 §M �f COE / ( §� {§ 9 // j (2 -q #M .j ± y� / ? o KNEeLE Y DAM Ames W.K«.mY�s. «e T.E. ALLEN ENGINEERING P 03 / °& �| | | ms_ _ .(0 \� || | Lot q�v�d ___ _ (f / | Cedar +HS « »mrn 2( - Cashiers, NC A717 _ _: __ 3 vm g Z r D r r� mm D� c mD 3z M= N H iA n 1 n I N O A a Z 0 \ M A M p M pD I v 0 rn M D M r m D O Z 22 ~ A w p 1 iy m= mo 'm R E _ E = 2 E = B $R�u o a C O - 0 " g3 m ^ C 31 v 5 m J O t�a J�300WC- '+O0f O'01 0 -w(n 0A W QnCN fDO'C- N WO j y (D 0, 0_ ._ _ V rt O p. 3 0 a n N n C oD�r -W0 0C'o�?5ono -m Woov ec� v oc'<m ° <3.0FM 0 10 n .p. N �, ° y 7_ �1 7 0, O Z O. p F fp'1 Q _ 7 m rt A r°i n o A D p C F G-3 S 0 �� , -1 �p y 0 n 7 p 0 7 p. D d0 y p a fD O � 0 O O O C O 0 O. fi G 7 j rt p f*1 p 7 y >�n0 O y� C p Z 5 o'= 7 0 7 p,0 O .0 3- �p ro y 0 `< fnD 0 3� S 31.0 3 M m= _4 9 (D i s a 3 p y o � G.� < 0 .ZVI Nn7 y o- .0olOONpV � o.'_ " N N p O' m03 m \I O y O ry+ a s W O 7 r 7 n m fD y .. p 3 c p. 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O O 0 0 U 0 m" .f�.<a O' n p 7p' p 0 5 > o •< 0. D V j x 3 o B. O p °_ 03.a 2.,ay C° 3-, -0 0010X m V rt0rt rty. .'a0< c=Da(niCcni3�0�,0x.o,o3c� rt30'< 'o w X00 or 3 (-)no CM) 0_go+.7 a- 0 v =° O o a° 4 x7 c tr p V a °p o o E3 0`� am m 0 a 3 0� o o 0 3 3 x o a r� n GAO 0. X y O� 0,�_, O p-� j O m O O. O ^'0 53 O�pO n Np� wO N.O fO 3.603 'o CL <0O y i -0 d =-AV O p A 3'o MO 7 n O f p N n N ;0 f 7 O .. - 0 0 00 -t0 0 n 7 .< 7c ex 0 y a 0 S �a v�t0< c�D ° ao c�v m ^v 1c 0�� Ir0 0 'S O 0 rt 3 O fD O 7 O 0 fD Q y p 31-0 on 0a O p °a = m � 0 a a � O cD v 0 0 0. O 1r rr -e•-� t' - 8 7' -s• O R ES� O 8 O E? �� —411 EE = °� =_ Z. 8 �^ KNEISLEY DAM T.E. ALLEN ENGINEERING PC o g S� o _ o ao �R aI + /� V `IAU Cx zo'mw Mz00 Z z = A W-0 Z CQ F9 r. �s m r n� g9 m S� `^ KNEISLEY DAM T.E. ALLEN ENGINEERING PC 0 ; Y James W. Kneisley Residence + o E' 'y o `_D Lot 58 Revised 'WM CNWM 2ffm Q 3 Cedar Hill Subdivision (am 00 0, 0 Cashiers, NC 28717 FIX m ,,,�;„�,,i > > `< . I Trash Guard required over top of Outer Riser Pipe (not shown for clarity) Top of Abutment Elev 3434.5r ......... -- I I Upper Weir ® 3433 ............................ - -i ......................... Lower Weir ®3432- • ,,.j --- -� - - -- -- C 3 T T � ;• � vt� 18" Gate Valve (C.I. Body) at discharge end of Principle Spillway Pipe ADEKA ULTRA SEAL P -201 ---' PUTTY (1- 800 - 999 -3959) OR APPROVED EQUAL AROUND P.V.C. PIPE AT ANTI -SEEP COLLAR. PLACE IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS. PLACE CONCRETE IN A MANNER WHICH DOES NOT DAMAGE OR DISPLACE PUTTY. Dia Riser Pipe 60" Dia Outer Pipe -� -- - - -- Normal Pool Elevation 3432 COLD WATER INTAKE REQUIRED o� I l l l i l l l l l l ro 1 1 1 1 1 1 i i i r rat i ^pI �I }{L7qt �i.p L l V L C.L L 4kC L h L •, t. L J. L L L #4 restraint hoops ® 5" O.C. 18' Concrete Anti - floatation Collar 18" Gate Valve (C.I. Body) Bottom Drain Valve FOOTER AT LOWER WEIR SECTION AND BENEATH RISER & BARREL SHALL BE 16" THICK. PRINCIPLE SPILLWAY - LONGITUDINAL SECTION Not to Scale Trash Guard required over top of Outer Riser Pipe (not shown for clarity) #5 Transverse bars ® 24" O.C. - - -�_ - (double top mat) 4 #5 Longitudinal bars (double top mat), parallel to barrel' pipe \J Concrete Anti- floatation Collar #4 restraint hoops ® 5" O.C. rn 7;� M - X -- Normal Pool Elevation 3432 \ / COLD WATER INTAKE REQUIRED v TOP OF Awn- RDATATION COUAR ..................... ,-..+ M TOP OF FOaTER I See Sheet C -3 for Footer I I requirements I-8,�1 FOOTER AT LOWER WEIR SECTION AND BENEATH #4 restraint hoops ® 5" O.C. Rock Pinning required, but RISER & BARREL SHALL not shown for clarity BE 16" THICK. PRIN[:IPI F CPII I WAY — TRANIC\ /FRCP- cP-rTlOKI Not to Scale SEE FULL SIZE PLAN SHEETS C -1 & C -2 FOR ADDITIONAL REQUIREMENTS. p KNEISLEY DAM James W. Kneisley Residence T.E. ALLEN ENGINEERING PC � - �; o -a o o z o Lot 58 Revised 103 9 W ^` 3 �� � �rrt ce, 'o & Cedar Hill Subdivision ��� z c o N Cashiers, INC 28717 rNC #4 Bars 12" O.C. each way, compression face steel X �I L ,off REINFORCED CONCRETE DAM 2 -1/2" CL Wall Reinforcing, Tension Face, See Table W1 Horizontal Wall Reinforcing, Tension Face, See Table W1 Vertical Dowel Bar, size and spacing to match Tension Face Vertical Wall Bar, See Table Wt. Lap Splice to be 60 bar diameters. 2"x6" Keyway )9"x6" PVC Waterstop, continuous. Rock Pins to have 6" Top Hook All footers shall bear on satisfactory & stable rock subgrade having a minimum bearing capacity of 6,500 PSF ' Cut —Off Key required into subgrade rock, 2 —FT minimum depth L-1 below bottom —of— footer. #5 Vertical Keyway Dowel Bar ® 12" O.C. & #5 bottom bar continuous. B Three (3) Rows of #8 Epoxy Coated rebor rock pins embedded 5 —Ft into sound subgrade rock and secured in place with Simpson SET /ET Epoxy or equal. Pin spacing to be 24" on center each row, 11.1 LU staggered spacing between rows. REINFORCED CONCRETE DAM DETAIL Not to Scale SEE FULL SIZE PLAN SHEETS C -1 & C -2 FOR ADDITIONAL REQUIREMENTS. ri KNEISLEY DAM James W. Kneisley Residence Lot 58 Revised Hill Subdivision Cashiers, NC 28717 T.E. ALLEN ENGINEERING PC 103 Mlffift WM UMu 2gM o (M n- I ) a .,,,a; tedhmm a Mt �; o v ° o 3 o $ 'Cedar o :o 3 0 '�