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Home My WebLink About20150734 Ver 1_401 Application_20150715�` 1 • Ms Karen Higgins Division of Water Resources 401 & Buffer Permitting Unit 1617 Mail Service Center Raleigh, North Carolina 27699 -1617 RE Duke Energy Progress, Inc Asheville Steam Station Lake Julian Bank Stabilization Pre - Construction Notification Dear Ms Higgins Asheville Steam Station Duke Energy 200 CP &L Drive Arden NC 28704 Duke Energy Progress, Inc is submitting a Pre - Construction Notification for bank stabilization at its Asheville Steam Station site The project will stabilize and fix the erosion issues on one of the slopes of Lake Julian The scope is to add fabric and rip rap along the slope of the eroded bank Impacts will be limited to approximately 0 0495 acres of disturbance below the ordinary high water mark of Lake Julian It has previously been determined by the Army Corps of Engineers that the normal operating level of the Lake equals to the ordinary high water mark elevation 2161ft No wetlands will be impacted by the project Thank you for your assistance with this project If you have any questions or comments the permit application please contact me at (704)609 -5637 or brad loveland @duke- energv com Sincerely, d NQ Brad Lo land Duke Energy EHS -CCP Enclosure WpTF 2 0 1 50 T, 34 M Office Use Only Corps action ID no o c DWQ project no Form Version 1 4 January 2009 PAID Pre - Construction Notification -(MN) Form A Applicant Information 1 Processing 1 a Type(s) of approval sought from the Corps I 0 Section 404 Permit ❑ Section 10 Permit 1b Specify Nationwide Permit (NWP) number 13 or General Permit (GP) number 1c Has the NWP or GP number been verified by the Corps? I 0 Yes 1d Type(s) of approval sought from the DWQ (check all that apply) ❑X 401 Water Quality Certification — Regular ❑ 401 Water Quality Certification — Express ❑ No ❑ Non -404 Jurisdictional General Permit ❑ Riparian Buffer Authorization 1 e Is this notification solely for the record For the record only for DWQ because written approval is not required? 401 Certification ❑ Yes Q 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 1g Is the protect located in any of NC's twenty coastal counties If yes, answer 1h below 1 h Is the protect located within a NC DCM Area of Environmental Concern (AEC)? 2 Project Information For the record only for Corps Permit ❑ Yes ❑X No ❑ Yes ❑X No ❑ Yes ❑X No ❑ Yes ❑X No 2a Name of protect Embankment Stabilization at Lake Julian for Asheville Steam Station 2b County Buncombe 2c Nearest municipality / town Arden 2d Subdivision name N/A /II% 2e NCDOT only, T I P or state protect no 3 Owner Information 3a Name(s) on Recorded Deed Carolina Power &Light Company d /b /a Progress Ene�gy Iinas, +1!i� >I�l 'l 3b Deed Book and Page No 0828 & 0221 401�efLYgT�^ 3c Responsible Party (for LLC if TFRp Fso 3d applicable) Street address 200 CP &L Drive 5�1 3e City, state, zip Arden, NC 28704 3f Telephone no 828- 687 -5201 3g Fax no 3h Email address garry whisnant @pgnmail corn Page 1 of 10 PCN Form — Version 1 4 January 2009 4 Applicant Information (if different from owner) 4a Applicant is ❑ Agent ❑X Other, specify Duke employee 4b Name Brad Loveland 4c Business name (if applicable) 4d Street address 526 South Church St 4e City, state, zip Charlotte, NC 28202 4f Telephone no 704 - 609 -5637 4g Fax no 4h Email address Brad Loveland @duke- energy com 5 Agent/Consultant Information (if applicable) 15a Name 5b Business name (if applicable) 5c Street address 5d City, state, zip 5e Telephone no 5f Fax no 5g Email address Page 2 of 10 B Project Information and Prior Project History 1 Property Identification 1a Property identification no (tax PIN or parcel ID) lb Site coordinates (in decimal degrees) I Latitude 35 2825 1c Property size 2 Surface Waters 2a Name of nearest body of water to proposed project 2b Water Quality Classification of nearest receiving water 2c River basin 964465185400000 Longitude 82 32437 62229 acres French Broad River Class C French Broad 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 site is a coal fired steam electric generation site 3b List the total estimated acreage of all existing wetlands on the property 17 23 3c List the total estimated linear feet of all existing streams (Intermittent and perennial) on the property 8,898 3d Explain the purpose of the proposed project Slopes of Lake Julian embankment has erosion issues that need corrective action and stabilization to prevent further erosion from occurring 3e Describe the overall project in detail, including the type of equipment to be used See Attachment 1 4 Jurisdictional Determinations 4a Have jurisdictional wetland or stream determinations by the ❑X Yes ❑ No ❑ Unknown Corps or State been requested or obtained for this property / 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 AMEC Name (if known) Dicky Harmon 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 El Yes ❑X No ❑ Unknown this project (Including all prior phases) in the past? 5b If yes, explain In detail according to "help file" instructions 6 Future Project Plans 6a Is this a phased project? ❑ Yes ❑X No 6b If yes, explain Page 3 of 10 PCN Form —Version 1 4 January 2009 C Proposed Impacts Inventory If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this 1 Impacts Summary sites impacted 3a 3b 1a Which sections were completed below for your project (check all that apply) 3c 3d 3e 3f 3g Stream impact ❑ Wetlands ❑ Streams — tributaries ❑ Buffers ❑X Open Waters ❑ Pond Construction 2 Wetland Impacts length Permanent (P) or width If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted feet) 2a 2b 2c Choose one 2d 2e 2f Wetland impact Type of impact Type of wetland Forested Type of jurisdiction Area of number S4 I Corps (404,10) or impact Permanent (P) or S5 I DWQ (401, other) (acres) Temporary (T) S6 Ij Choose one W1 Choose one Choose one Yes /No - W2 Choose one Choose one Yes /No W3 Choose one Choose one Yes /No W4 Choose one Choose one I Yes /No W5 Choose one Choose one I Yes /No W6 Choose one Choose one I Yes /No 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 (PER) or Type of Average Impact number intermittent (INT)? jurisdiction stream length Permanent (P) or width (linear Temporary (T) (feet) feet) S1 Choose one S2 Choose one S3 I Choose one S4 I Choose one S5 I Choose one S6 Ij Choose one 3h Total stream and tributary impacts 31 Comments Page 4 of 10 PCN Form — Version 1 4 January 2009 4 Open Water Impacts ❑ Yes ❑X No If yes, permit ID no 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 Area of impact (acres) Permanent (P) or type Temporary (T) 01 P Lake Julian Fill Lake 00495 O2 Choose one Choose 03 Choose one Choose O4 Choose one Choose below If any impacts require mitigation, tren 4f Total open water impacts I 00495 4g Comments 5 Pond or Lake Construction If pond or lake construction proposed, then complete the chart below 5a 5b 5c 5d 5e Pond ID number Proposed use or Wetland Impacts (acres) Stream Impacts (feet) Upland purpose of pond (acres) Flooded Filled Excavated Flooded Filled Excavated Pi Other P2 Choose one 5f Total 5g Comments 5h Is a dam high hazard permit required? ❑ Yes ❑X No If yes, permit ID no 51 Expected pond surface area (acres) 51 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, tren you MUST fill out Section D of this form 6a Project is in which protected basin? ❑ Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Other 6b 6c 6d 6e 6f 6g Buffer Impact Reason for impact Stream name Buffer Zone 1 Zone 2 number — mitigation impact impact Permanent (P) or required? (square (square Temporary (T) feet) feet) B1 Yes /No B2 Yes /No B3 Yes /No B4 Yes /No B5 Yes /No B6 Yes /No 6h Total Buffer Impacts 61 Comments Page 5 of 10 D Impact Justification and Mitigation 1 Avoidance and Minimization 1a Specifically describe measures taken to avoid or minimize the proposed impacts in designing protect See Attachment 1 lb Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques See Attachment 1 2 Compensatory Mitigation for Impacts to Waters of the U S or Waters of the State 2a Does the protect require Compensatory Mitigation for ❑ Yes ❑X 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 protects ❑ Permittee Responsible Mitigation 3 Complete if Using a Mitigation Bank 3a Name of Mitigation Bank Type Choose one Quantity 3b Credits Purchased (attach receipt and letter) Type Choose one Quantity Type Choose one 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 Choose one 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 6 of 10 PCN Form — Version 1 4 January 2009 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 Yes ❑X No buffer mitigation? 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 6c 6d 6e Zone Reason for impact Total impact Multiplier Required mitigation (square feet) (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 7 of 10 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 ❑X 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 2 Stormwater Management Plan 2a What is the overall percent imperviousness of this project? 0001% 2b Does this project require a Stormwater Management Plan? ❑ Yes ❑X No 2c If this project DOES NOT require a Stormwater Management Plan, explain why Does not meet the impervious surface requirement to require a stormwater management plan 2d If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan 2e Who will be responsible for the review of the Stormwater Management Plan? 3 Certified Local Government Stormwater Review 3a In which local government's jurisdiction is this project? 3b Which of the following locally - implemented stormwater management programs apply (check all that apply) 3c Has the approved Stormwater Management Plan with proof of approval been attached? 4 DWQ Stormwater Program Review 4a Which of the following state - implemented stormwater management programs apply (check all that apply) 4b Has the approved Stormwater Management Plan with proof of approval been attached? 5 DWQ 401 Unit Stormwater Review 5a Does the Stormwater Management Plan meet the appropriate requirements? 5b Have all of the 401 Unit submittal requirements been met? 1 1 Buncombe County ❑ Phase II ❑ NSW ❑ USMP ❑ Water Supply Watershed ❑ Other ❑ Yes ❑ No ❑Coastal counties ❑HQW ❑ORW ❑Session Law 2006 -246 ❑ Other ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No Page 8 of 10 PCN Form — Version 1 4 January 2009 F Supplementary Information 1 Environmental Documentation (DWQ Requirement) 1 a Does the project involve an expenditure of public (federal /state /local) funds or the ❑ Yes ❑X 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 El 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, E] Yes ❑X No or Riparian Buffer Rules (15A NCAC 2B 0200)? 2b Is this an after - the -fact permit application? El Yes ❑X 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 ❑X 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 Page 9 of 10 PCN Form — Version 1 4 January 2009 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 ❑X No habitat? 5b Have you checked with the USFWS concerning Endangered Species Act El Yes ❑X No impacts? 5c If yes, Indicate the USFWS Field Office you have contacted 5d What data sources did you use to determine whether your site would Impact Endangered Species or Designated Critical Habitat? US Fish and Wildlife Critical Habitat Portal 6 Essential Fish Habitat (Corps Requirement) 6a WIII this project occur in or near an area designated as essential fish habitat? I ❑ Yes ❑X No 6b What data sources did you use to determine whether your site would impact Essential Fish Habitat? NOAA EFH mapper 7 Historic or Prehistoric Cultural Resources (Corps Requirement) 7a WIII this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation ❑ Yes ❑X 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? HPOWEB GIS Service Straun (Alexander Robertson House) is the closest but not close to the site Its 1 6 miles away and I -26 separates the site 8 Flood Zone Designation (Corps Requirement) 8a WIII this project occur in a FEMA - designated 100 -year floodplain? ❑X Yes ❑ No 8b If yes, explain how project meets FEMA requirements Protect is placement of filter fabric and rip rap to prevent further erosion of the banks of Lake Julian 8c What source(s) did you use to make the floodplain determination? NC Floodmap com &j Lc�� C.,A - ao 1 s 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 10 of 10 are 4 e 4 A 3 4 5 ENERGYO � ASHEVILLE LAKE JULIAN DAM (STATE ID NO. BUNCO-08$�;� -! SHORELINE EROSION REPAIR PROJECT (ISSUE ASH -129) WO ASHEVILLE STEAM ELECTRIC PLANT BUNCOMBE COUNTY, NORTH CAROLINA JUNE 2015 `SITE1.•I LOCATION MAP r .. N NOT TO SCALE ORM OWNER CONTACT INFDU C9fjT��IR OWNER E ENAOERGY CAROLINAS INC. RUNG ftll FIRMINEEJj WH ELER ENVIRONMENT AND INFRASTRUCTURE PROJECT ADDRESS: 200 CPBL DRIVE ADDRESS: 4021 STIRRUP CREEK DRIVE SUITE 100 J LU ARDEN, NC 28704 U) DURHAM, NC 27703 CONTACT. DANIEL T. ZAKARY. P CONTACT. RICHARD S. AUGER, P . REGISTERED NC 008169 PHONE: (704) 604 -4879 PHONE. (919) 949 -2281 EMAIL: DANIEL.ZAKARY @DUKE- ENERGY. COM EMAIL. SCOTT.AUGER @AMEC. COM W 1 1 2 3 PROJECT NOTES THE PROJECT WILL CONSIST OF THE PLACEMENT OF RIPRAP MATERIAL FOR STABILIZATION OF SHORELINE EROSION ALONG THE SOUTH ABUTMENT AREA OF THE ASHEVILLE LAKE JULIAN DAM LOCATED AT DUKE ENERGY'S ASHEVILLE STEAM ELECTRIC PLANT NEAR ARDEN, IN BUNCOMBE COUNTY, NORTH CAROLINA. THE SHORELINE EROSION IS IN NATURAL GROUND BETWEEN THE SOUTH ABUTMENT OF THE DAM AND THE SPILLWAY FOR ASHEVILLE LAKE JULIAN. THE RIPRAP MATERIAL WILL BE PLACED FOR SHORELINE REPAIR OVER THE APPROXIMATE LIMITS AND CONSISTENT WITH DETAILS AS SHOWN ON DRAWING 4098 -1. NOTES ARE INCLUDED ON DRAWING 4098 -1 TO DESCRIBE THE REQUIREMENTS FOR MATERIALS AND INSTALLATION ASSOCIATED WITH THE SHORELINE REPAIR WORK. THE LAND AREA POTENTIALLY DISTURBED BY THE SHORELINE REPAIR WORK IS ESTIMATED TO BE APPROXIMATELY 0 0 ACRES. DAM DESCRIPTION (FROM NCDENR INVENTORY OF DAMS) STATE ID: BUNCO -088 NID: NCO5712 DAM NAME: ASHEVILLE LAKE JULIAN DAM (KNOWN LOCALLY AS THE ASHEVILLE COOLING LAKE DAM) HAZARD CLASSIFICATION. HIGH WATERSHED- FRENCH BROAD RIVER ISSUED FOR PERMITTING SHEET INDEX SHEET# SHEET TITLE 4098 -0 COVER SHEET 4098 -1 REPAIR DETAILS 4 5 v(� DUKE ENERGY. .may nyR� Q�� PJ o s; amec foster wheeler M1EC FOSTER WHEELER Enwwmeit 81r.nrtu En .m� rmwv o.ixDw.E. vrt.n Dinrric mm nprc naw+wa.rrnw+«n uareuE 1ceo r.�m c armor. can DES D.x CMx — U Z cr W Q a- J LU U) W cr Z Z O Q 0 t� M W cn U) W N W uj cr Z 0 Q (n (0 a :DW W 0 w Y� U W g�' — Y g a J UJI J J_ W > _ W c/5 � Q sCUE Q —« col" �D col" A 4098 -0 I C C F F R ; B .A 1 1 2 3 EROSION REPAIR PLAN VIEW GRAPHIC SCALE ( IN FEET ) 1 Inch - 20 N. :e v' F.OM01e a3' � .MN�.f�• W . .. a,.aa..• I y 1't 1 , END REPAIR AT LIMITS FOR ROCK EaI«+ qy' ON DAM FACE (rw I �V I SHORELINE REPAIR NOTES T aw.fsn�/ I' I 1 1 1 l p 4 i, k,- n 1 ! LAKE THE SLOPE PROTECTION PROVIDED FOR THE SPILLWAY ENTRANCE II y 1 } 1 „« :•�� \} } (COOLING PONO� SECTION A —A CHANNEL. ¢O � \ 1 I \ � 1 1 wM.nm AREA SHALL BE RELOCATED OR REMOVED AS DIRECTED BY THE N J_ ) o< Q ' ) .... I r I (NWL) ELEVATION 2161.0 FEET SHALL BE PREPARED BY REMOVAL_ C F ALL LOOSE ROCKS, STICKS OR OTHER MATERIAL THAT COULD POTENTIALLY CAUSE DAMAGE TO THE GEOTEXTILE COVER. TREES AND BRUSH SHALL BE COMPLETELY REMOVED INCLUDING ROOTS SLOPE VARIES Q a. q i i O FROM THE REPAIR AREA. GRASS SHALL BE CUT CLOSE TO THE ��7JJJ Y \\ / awli 1 '••� 1��1� I'1 /. g /. 'v PRIOR TO PLACEMENT OF THE GEOTEXTLE COYER, IT IS INTENDED THAT THE EXISTING GRASS VEGETATIVE COVER SHALL r 3 EROSION REPAIR PLAN VIEW GRAPHIC SCALE ( IN FEET ) 1 Inch - 20 N. :e v' F.OM01e a3' � .MN�.f�• W . .. a,.aa..• I y 1't 1 , END REPAIR AT LIMITS FOR ROCK EaI«+ qy' ON DAM FACE (rw I / �V I SHORELINE REPAIR NOTES aw.fsn�/ I' I 1 1 1 l p 4 i, k,- n 1 i p'I THE SLOPE PROTECTION PROVIDED FOR THE SPILLWAY ENTRANCE SECTION A —A CHANNEL. ¢O � \ 1 I \ � 1 1 wM.nm AREA SHALL BE RELOCATED OR REMOVED AS DIRECTED BY THE N J_ ) o< Q 0 Or ) p I (NWL) ELEVATION 2161.0 FEET SHALL BE PREPARED BY REMOVAL_ C F ALL LOOSE ROCKS, STICKS OR OTHER MATERIAL THAT COULD POTENTIALLY CAUSE DAMAGE TO THE GEOTEXTILE COVER. TREES AND BRUSH SHALL BE COMPLETELY REMOVED INCLUDING ROOTS SLOPE VARIES Q a. q i i O FROM THE REPAIR AREA. GRASS SHALL BE CUT CLOSE TO THE ��7JJJ Y / �V I SHORELINE REPAIR NOTES aw.fsn�/ t. THE SHORELINE REPAIR IS REWIRED TO COVER THE EROSION RIPRAP ANGLE OF REPOSE l p SCARP LOCATED BETWEEN THE ROCK FACE OF THE DAM AND ( 1:1 ) SLOPE MIN. 3' MIN, DEPTH NCDOT - EROSION SCARP (VARIES) 6" MIN. DEPTH NCDOT 157 STONE CLASS 2 RIPRAP BEDDING LAYER FOR PLACEMENT THE SLOPE PROTECTION PROVIDED FOR THE SPILLWAY ENTRANCE SECTION A —A CHANNEL. ¢O GRAPHIC SCALE ( IN FELT) 1 hwh . 2 fL ISSUED FOR PERMITTING 2. EXISTING SIGNAGE OR OTHER FIXED OBSTRUCTIONS IN THE REPAIR AREA SHALL BE RELOCATED OR REMOVED AS DIRECTED BY THE N J_ OWNER (DUKE ENERGY). ,ELI wT Q 0 Or 1 THE SLOPE /GROUND SURFACE ABOVE THE NORMAL WATER LEVEL p Q (NWL) ELEVATION 2161.0 FEET SHALL BE PREPARED BY REMOVAL_ C F ALL LOOSE ROCKS, STICKS OR OTHER MATERIAL THAT COULD POTENTIALLY CAUSE DAMAGE TO THE GEOTEXTILE COVER. TREES AND BRUSH SHALL BE COMPLETELY REMOVED INCLUDING ROOTS SLOPE VARIES Q a. q i i O FROM THE REPAIR AREA. GRASS SHALL BE CUT CLOSE TO THE ��7JJJ Y (,l GROUND SURFACE BUT OTHERWISE SHALL NOT BE REMOVED g Tn �y PRIOR TO PLACEMENT OF THE GEOTEXTLE COYER, IT IS INTENDED THAT THE EXISTING GRASS VEGETATIVE COVER SHALL a -9 REMAIN IN PLACE TO PROVIDE FOR SURFACE STABILIZATION (( J LLI DURING CONSTRUCTION. 4. THE GROUND SURFACE BELOW THE NWL ELEVATION 2161.0 FEET I — SHALL BE PREPARED IN A SIMILAR MANNER TO THAT ABOVE THE W NWL PRIOR TO PLACEMENT OF THE GEOTEXTILE COVER. IT IS N INTENDED THAT REMOVAL OF LOOSE MATERIAL WILL BE AS NOTED PERFORMED BY HAND TO MINIMIZE DISTURBANCE OF THE GROUND _ SURFACE BELOW THE WATER LEVEL. 5. TH E PREPARED GROUND SURFACE SHALL BE INSPECTED AND ACCEPTED BY THE RESPONSIBLE ENGINEER AND OWNER PRIOR TO - EXISTING TOPOGRAPHIC PLAN VIEW SURVEYING NOTES PROCEEDING WITH THE REPAIR WORK. 1. TOPOGRAPHIC INFORMATION AND SITE FEATURES INDICATED ON 6. GEOTEXTILE MATERIAL SHALL BE PLACED AND ANCHORED OVER THE REPAIR AREA CONSISTENT WITH THE LIMITS SHOWN ON THIS THE DRAWINGS IS BASED ON 2014 SURVEY BY ED HOLMES @ DRAWING. THE GEOTEXTILE MATERIAL SHALL BE MIRAFI 110ONC 2" ASSOCIATES LAND SURVEYORS. PA. OR EOUAL AS APPROVED BY THE RESPONSIBLE ENGINEER. THE GEOTEXTILE MATERIAL SHALL BE OVERLAPPED AT SEAMS FOR AT 2. ALL DISTANCES SHOWN ARE GRID DISTANCES IN U.S SURVEY LEAST 2 FEET AND ANCHORED IN ACCORDANCE WITH FEET UNLESS OTHERWISE NOTED. THE COMBINED SCALE AND RECOMMENDATIONS. THE EDGE THE N ELEVATION FACTOR UTILIZED IS 0.99976110. TO CONVERT GRID GEOTEXTILE MATERIAL A MATERIAL ALONG THE TOP OF SLOPE SHALL BE DISTANCES TO GROUND DISTANCES, DIVIDE BY THIS FACTOR. ANCHORED BY A MINIMUM DEPTH 2 FEET AS SHOWN ON THE ANCHORED 2' ANCHOR TRENCH FOR 3. THIS SURVEY IS ORIENTED TO N.C. GRID. NAD83 BY STATIC GPS DRAWING. THE CONTRACTOR'S INSTALLATION PLANS AND DETAILS GEOTEXTILE AT TOP FILLED OBSERVATIONS UTILIZING NCGS MONUMENT 'EBASCO 1*. FOR THE GEOTEXTILE MATERIAL SHALL BE RENEWED AND APPROVED BY THE REPONSIBLE ENGINEER PRIOR TO PROCEEDING WITH NCDOT SI STONE GRAPHIC SCALE 4. ELEVATIONS SHOWN HEREIN ARE ESTABLISHED BY OPUS WITH THE WORK. 7. A BEDDING LAYER CONSISTING OF 6 INCHES OF NCDOT STANDARD SOLUTION OF GPS OBSERVATIONS ON NCGS MONUMENT "EBASCO SPECIFICATION SIZE /57 STONE SHALL BE PLACED OVER THE 1', AND ARE RELATIVE TO THE NAVD8B DATUM. THE MINOR AND GEOTEXTILE FOR THE LIMITS SHOWN. NO COMPACTION IS 1 1 MAJOR CONTOUR INTERVALS ARE V AND 5' RESPECTIVELY. REOUIRED FOR THE BEDDING LAYER. I B. RIPRAP MATERIAL SHALL THEN BE PLACED TO THE LIMITS AND ( IN FEET ) S. NO NEW GPS OBSERVATIONS MADE AT DATE OF SURVEY GENERAL CONFIGURATION SHOWN ON THIS DRAWING. THE 1 inch . 20 N. SURVEY BASED ON GPS CONTROL DATA ESTABLISHED BY ED HOLMES 4 ASSOCIATES IN NOVEMBER 2009. MAXIMUM HEIGHT FOR DROPPING INDIVIDUAL PIECES OF RIPRAP SHALL BE LIMITED TO 1 FOOT. 1 I 2 I 3 I 0 LAKE $ JULIAt, % (cmuNG PONG, y nwew'�hw°y;oK�,' RIM fln A s START REPAIR AT SPILLWAY RIPRAP SLOPE PROTECTION VARIES 4 (4' MIN.) 4 W�y1 O 5 RIPRAP ANGLE OF REPOSE (1:1 SLOPE MIN.) OVERLAP STONE BEDDING MATERIAL WITH GEOTEXTILE BY 4' MIN. 1 5 R e 8 d D x o� DUKE ENERGY. Ax. ONO PJC+,: 1. t, amec foster wheeler NEC FOSTER WHEELER E.A. MF.�If En aYl t11.1010tO'WLaunf Nf noe nfan4tmhr nul� a.awl L�.IE MCBB Ft>m MC �¢OOr GS.i �V I NORMAL WATER LEVEL Z cr EL. 2161.0 —� p 4' MIN. 3' MIN, DEPTH NCDOT - EROSION SCARP (VARIES) 6" MIN. DEPTH NCDOT 157 STONE CLASS 2 RIPRAP BEDDING LAYER FOR PLACEMENT BELOW SCARP. SECTION A —A TYPICAL REPAIR SECTION ¢O GRAPHIC SCALE ( IN FELT) 1 hwh . 2 fL ISSUED FOR PERMITTING 1 5 R e 8 d D x o� DUKE ENERGY. Ax. ONO PJC+,: 1. t, amec foster wheeler NEC FOSTER WHEELER E.A. MF.�If En aYl t11.1010tO'WLaunf Nf noe nfan4tmhr nul� a.awl L�.IE MCBB Ft>m MC �¢OOr GS.i v.fn v 2 2 U Z cr W Q J a J W Lu E'L o ¢O B N J_ ,ELI wT Q 0 Or Q� p Q Q a. Ud Lij Y gv — g o a , J LLI W Q AS NOTED rAOIfC. „o. - 6468144098 cash. coNm ,a A v.fn v 2 2