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Home My WebLink About20091333 Ver 1_401 Application_20091209LITTLE & LITTLE 0,,.),-1333 21 December 2009 Received by: Date: TRANSMITTAL SPAIP t§@[95W1A 0, DEC 2 i 2009 TO: Mr. Ian McMillan NC DENR DWQ Wetlands and Stormwater Branch, 401 Oversight/Express Permitting Unit 2321 Crabtree Blvd. Raleigh, NC 27604 FROM: Amy Mackintosh SUBJECT: Pullen Park - Lake Howell Repairs DENR. WATER QUALITY V&TLMD$, AND sTORM1MATER BRANCk We are sending to you via: Courier uantit Date Description 1 12/18/09 Check for $240 Submittal Fee 1 12/11/09 Agent Authorization Letter 5 12/21/09 PCN 5 Vicinity Map 5 USGS Quad map topo 5 NRCS Soils map 5 10/7/09 DWQ Stream Determination letter 5 12/21/09 Description of project scope 5 sets 12/21/09 Plan Sheets 1, 2, 2A, 3, 4 (11x17 size) 2 sets 12/21/09 Plan Sheets 2 & 2A - 24x36 size (50 scale) For your review Remarks: Copy: Jamie Shern, USACE David Shouse, City of Raleigh Parks & Recreation (transmittal only) L&L Project Number (pulap.61) Landscape Architecture / Planning PO Box 1448 Raleigh, North Carolina 27602 9191821-5645 Fax 831-2329 LITTLE & LITTLE 21 December 2009 Received by: Date: TRANSMITTAL TO: Mr. Jamie Shern US Army Corps of Engineers Raleigh Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 Wake Forest, North Carolina 27587 FROM: Amy Mackintosh SUBJECT: Pullen Park - Lake Howell Repairs We are sending to you via: FedEx uanti Date 1 12/11/09 1 12/21/09 1 1 1 1 10/7/09 1 12/21/09 1 set 12/21/09 Description Agent Authorization Letter PCN Vicinity Map USGS Quad map topo NRCS Soils map DWQ Stream Determination letter Description of project scope Plan Sheets 1, 2, 2A, 3, 4 (11x17 size) An electronic file of the application documents will be sent to you via email. For approval Remarks: Copy: NC-DWQ David Shouse, City of Raleigh Parks & Recreation L&L Project Number (pulap.01) Landscape Architecture / Planning PO Box 1448 Raleigh, North Carolina 27602 9191821-5645 Fax 831-2329 To: Mr. Jamie Shern US Army Corps of Engineers 6508 Falls of the Neuse Road, Suite 120 Raleigh, North Carolina 27615 AGENT AUTHORIZATION FORM PROPERTY LEGAL DESCRIPTION: Pullen Park PIN: 0793-99-7529 STREET ADDRESS: 420 Ashe Avenue, Raleigh, NC Property Owner: City of Raleigh The undersigned, registered property owner(s) of the above noted property, do hereby authorize Amy Mackintosh, of Little & Little Landscape Architects PLLC (Contractor / Agent) (.Name of consulting firm) to act on my behalf and take all actions necessary for the processing, issuance and acceptance of this permit or certification and any and all standard and special conditions attached. Property Owner's Address (if different than property above): City of Raleigh Parks & Recreation Dept. PO Box 590, Raleigh NC 27602 Telephone: 919-996-3285 We hereby certify the above information submitted in this application is true and accurate to the best of our knowledge. a Authorized Signature Authorized Signature Date: h'? L Date: , E) ?I6LIle- 8 Steer 0P- 1 3 3 3 o?oF w a rF9o? 1 1 > ? 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: ®Section 404 Permit ? Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: # 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 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 1 g. 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: Pullen Park Lake Repairs 2b. County: Wake 2c. Nearest municipality / town: Raleigh, NC 2d. Subdivision name: DEC `; Y 2009 2e. NCDOT only, T.I.P. or state project no: DENR.WATER QUALITY kWn TER BRANCH 3. Owner Information 3a. Name(s) on Recorded Deed: City of Raleigh 3b. Deed Book and Page No. DB 1988 Pg 277 3c. Responsible Party (for LLC if applicable): City of Raleigh Parks & Recreation Dept. - Diane Sauer, Director Contact: David Shouse 3d. Street address: PO Box 590 3e. City, state, zip: Raleigh, NC 27602 3f. Telephone no.: 919-996-4788 3g. Fax no.: 919-890-3299 3h. Email address: David.Shouse@ci.raleigh.nc.us Page 1 of 10 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: Amy Mackintosh 5b. Business name (if applicable): Little & Little Landscape Architects PLLC 5c. Street address: PO Box 1448 (5 W. Hargett St, Suite 1100) 5d. City, state, zip: Raleigh, NC 27602 5e. Telephone no.: 919-821-5645 5f. Fax no.: 919-831-2329 5g. Email address: amy.m@lal-la.com B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): 0793-99-7529 1 b. Site coordinates (in decimal degrees): Latitude: 35.7798 Longitude: - 78.6651 (DD.DDDDDD) (-DD.DDDDDD) 1 c. Property size: 47.66 acres 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to proposed project: Rocky Branch (27-34-6) 2b. Water Quality Classification of nearest receiving water: C;NSW 2c. River basin: Neuse Page 2 of 10 PCN Form - Version 1.3 December 10, 2008 Version 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: Site is a developed park surrounded by urban development. The project area is a lake constructed in the 1970s adjacent to Rocky Branch. The lake is edged by a concrete wall, encircled with paved pathways and used for paddle boats and as a visual amenity. The lake is separated from Rocky Branch by a long earthen dike and concrete spillway. 3b. List the total estimated acreage of all existing wetlands on the property: 0 Acres Wetlands, 2.64 Acres Jurisdictional Open Water (Lake Howell) 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 1325 LF 3d. Explain the purpose of the proposed project: Maintenance and repair of the existing manmade lake, including 1) repair and reinforcement of the perimeter walls, which are cracking in places and in danger of failing, 2) replacement (in the same location) of the existing intake pipe and gate valve, and 3) removal of accumulated sediment and debris. 3e. Describe the overall project in detail, including the type of equipment to be used: See attached Project Description 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: James Shern has corresponded with our firm via ® Yes ? No ? Unknown email regarding jurisdictional waters etc. on this site. DWQ made field determination for the Rocky Branch stream channel (subject to NRB) and determined that Lake Howell is not subject. 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: Little & Little Landscape Name (if known): Architects PLLC Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. Corps: Sept 1, 2009 email - Lake Howell determination, DWQ: Oct. 7, 2009 - letter of determination - NRB 5. Project History 5a. Have permits or certifications been requested or obtained for ? Yes ? No ® Unknown this project (including all prior phases) in the past? 5b. If yes, explain in detail according to "help file" instructions. No permits or certifications have been requested or obtained for work in the recent past. It is unknown what was required or obtained in the 1970s. 6. Future Project Plans 6a. Is this a phased project? ? Yes ® No 6b. If yes, explain. C. Proposed Impacts Inventory 1. Impacts Summary I a. Which sections were completed below for your project (check all that apply): ? Wetlands ® Streams - tributaries ® Buffers ® Open Waters ? Pond Construction Page 3 of 10 PCN Form - Version 1.3 December 10, 2008 Version 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 Type of jurisdiction impact number Type of impact Type of wetland Forested (Corps - 404, 10 Area of - Permanent (if known) DWQ - non-404, other) impact (P) or (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 ? Corps ? No ? DWQ 2g. Total wetland impacts 0 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 Average Impact number - (PER) or jurisdiction stream length Permanent (P) intermittent (Corps - 404, 10 width (linear or Temporary (INT)? DWQ - non-404, (feet) feet) (T) other) 10' at S1 ? P ®T Temporary coffer dam / erosion Branch Rocky ® PER ® Corps normal +/- 15' control ? INT ® DWQ water max level S2 ? P ? T ? PER ? INT ? Corps ? DWQ ? PER ? Corps S3 ? P ? T ? INT ? DWQ S4 ? P ? T ? PER ? INT ? Corps ? DWQ ? PER ? Corps S5 ? P ? T ? INT ? DWQ ? PER ? Corps S6 ? P ? T ? INT ? DWQ 3h. Total stream and tributary impacts /- 15 LF 3i. Comments: No permanent impact - temporary only. Page 4 of 10 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 Name of waterbody water (if applicable) Type of impact Waterbody type Area of impact impact (acres) number - Permanent (P) or Temporary T 01 ®P ?T Lake Howell Wall reinforcement Manmade lake 0.04 Ac Temporary access ramp and 02 ? P minor temporary discharges 0.45 Ac max ® T Lake Howell for construction access to lake Manmade lake (includes 0.1 ac max and wall forming and for ramp) installation 03 ? P ® T Lake Howell Removal of accumulated sediment Man-made lake 0 Ac discharge of fill 04 ? P ?T 4f. Total open water impacts 0.49 Ac 4g. Comments: The only permanent open water impact is the 6"-8" additional wall thickness associated with reinforcement of the existing perimeter wall, allowed as minor deviations to the structure's configuration or filled area under NWP #3 Maintenance paragraph (a). Any fill provided for temporary access will be removed. 5. Pond or Lake Construction If and or lake construction proposed, then com lete the chart below. 5a. 5b. 5c. 5d. 5e. Pond Proposed use or purpose of pond Wetland Impacts (acres) Stream Impacts (feet) Upland ID (acres) number 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: Page 5 of 10 PCN Form - Version 1.3 December 10, 2008 Version 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 an 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 Reason for impact Buffer Zone 1 impact Zone 2 impact number - Stream name mitigation (square feet) (square feet) Permanent required? (P) or Temporary T 61 ? T T Wall Reinforcement/replacement " Rocky Branch El Yes ®No 0 410 sf thickness add 8 B2 ? p ®T Sediment removal Lake Howell ? Yes ®No max 1,440 sf (temporary- max 10,342 sf (temporary) within lake) B3 ? P ®T pipe replacement Rocky Branch ? Yes ® No max 600 sf (temporary) max 400 sf (temporary) 6h. Total buffer impacts 2040 11742 sf 6i. Comments: NRB impacts will occur in areas that are within 50' of Rocky Branch but drain away from Rocky Branch into Lake Howell. The only permanent impact will be 410 SF of thickened wall around the pond. 92% of NRB disturbance will be a temporary impact (sediment removal) to unvegetated lake bottom. No woody vegetation will be disturbed in buffer areas except for removal of 3 crabapple trees at existing pipe intake (these trees are in poor condition, with many exposed roots. One is directly on top of existing intake pipe). Pipe location will be in same location as existing - no increase in existing footprint. 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 lake is man-made with concrete perimeter wall and has no aquatic vegetation. It is fed by a recirculating water system, and rainfall on the lake, occasionally topped off via an existing intake pipe from Rocky Branch. The lake will be temporarily drained down for the project to provide dry access for construction equipment and to contain any sediment disturbed during construction so as to protect Rocky Branch from sediment discharge. Wherever possible work will be done from the edges of the pond. Except the few areas where the existing wall is too damaged to repair, it will be repaired and reinforced rather than removed and replaced, to minimize disturbance. Repair will be done from the lake side, with the reinforcing placed on top of the existing concrete footing, to minimize disturbance to the earthen banks and vegetation behind the existing wall. The existing intake pipe will be used as a sleeve for the replacement pipe, which will be a slightly smaller diameter than the existing one. Erosion control measures will be installed to protect the adjacent stream during the project. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Small tracked equipment will be used on the dry lake bottom to minimize temporary impacts. It will be either lowered from the walls or a temporary ramp constructed for this project at the upper end of the lake. Logging mats will be used on the lake bottom rather than temporary fill, if necessary to provide an access route for the equipment. Page 6 of 10 PCN Form - Version 1.3 December 10, 2008 Version 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. 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). Page 7 of 10 PCN Form - Version 1.3 December 10, 2008 Version 6h. Comments: 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. Comments: The proposed work will not affect the existing diffuse flow into Rocky ? Yes ® No Branch. The portion of the NRB affected by this work is geometrically adjacent to Rocky Branch but flows away from it into Lake Howell. No changes to the existing drainage patterns are proposed. 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: No changes to the imperviousness of the site are proposed. The project is to maintain and repair existing conditions. 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? City of Raleigh (not applicable) ? Phase II ? NSW 3b. Which of the following locally-implemented stormwater management programs ? 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 ? Yes ? No attached? 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No Page 8 of 10 PCN Form - Version 1.3 December 10, 2008 Version 5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No 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 ? 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)? 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 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. This project is for maintenance of existing features in an existing park and does not change the land use or promote additional development. 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. Not Applicable Page 9 of 10 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? ? Raleigh 5c. If yes, indicate the USFWS Field Office you have contacted. ? Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? NC Natural Heritage Program Database for Raleigh West Quad map (updated 8/2/2009, searched 12/2/2009); NCNHP 2008 lists of rare plants & animals. Project area does not include habitat conditions where listed species are likely to be found. Lake Howell is a man-made, managed lake. Rocky Branch is a riprapped channel through the project site, and will not be impacted by this project. The plants in the project area are ornamental plantings. 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? NC Natural Heritage Program Database for Raleigh West Quad map (updated 8/2/2009, searched 12/2/2009); NCNHP 2008 lists of rare plants & animals. Project area does not include habitat conditions where listed species are likely to be found. Lake Howell is a man-made, managed lake. Rocky Branch is a riprapped channel through the project site, and will not be impacted by this project. 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? Pullen Park is listed on the National Historic Register. The project will not impact historic resources - the lake and environs were constructed in the 1970s, much later than the period of significance. The project is for maintenance and repair of existing structures which are not historically significant. 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: 8c. What source(s) did you use to make the floodplain determination? FEMA Maps - FIRM Map Panel 20060512 Amy R. Mackintosh ' Dec2009r 21, ' plicant/Agent's Signature s Printed Name Applicant/Agent (Agent's signature is valid only if an authorization letter from the applicant Date is provided.) 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QUADRANGLE LOCATION State q ['7 Interstate Route U.S. Route 0 FEET TUM OF 1929 AL DATUM OF 1988, SUBTRACT 1 FOOT) 1 Southeast Durham 20o Z .TIPLY BY 0.3048 1 2 8 2 Bayleaf 3 CWake ary Forest 4 Cary "`'ol l.. ? l 'G`t ?P-D JL,J % ! Vt ?y? PA-/C/j1 tVrN- 4 5 5Raleigh East VAT T7i(_TJ 111CCT XT0 ?>a ALL 'R. ?{??rt 2,S TH CAROLINA - SHEET NUMBER 58 _ 'may l ? 1 B ' ? CZ , v -! 1 CeC2 4 _ €cE CeC i ARe (:, •'' .?;? RALEIGH CIC3 .. w Ce8'2". CI I to C II CIC3 fA?,?/ CeB2 ! j Pm a Ma 0 C ? ?t? ? .: k ' P:.R CeF Ce r.? ,?5 Y t CIC3 G 604' r ! t I ! ` \ a t s? Ce82 Ce[72? P? fq AC I ?y ?? eD i tali 3 t y ?` , /'•J ,?. ?-CIES 1 's?1-1 t - ? ?. ? _? - 1'a' "?-''?t `, ?f ? 'C? ? ?. r . npe CeC2 / Cm r t I?f .? CeC2 ?CeD t_- f , ktR //? II 11 rrr / c CC, `.; CIE3 L! r `, G/ / ems) ?'? e CCU? G` rI i Y ., ti __c",+--•,i "F /? b?7` 2 ` {' A118i''? j F u? Cl I/ C `s V- CeF ?? 1 )?? ; ,C •'' 1 j ? / Cep/ ? + ?J? h? ?' + I? 1_ /? ,. 11 - '! . R)', '1 Cec) J f (11 (/ { + I j E 4i 1 t.eF,?? (((fff? GcF 2 f r° C- ) f? 1 ?r?r ?? •, /??`) AEC /.. ?t_ ??--':. I '?.???? ? s :? ? `c ? ?:?1 ? ?? ,? i cec2 u f t . y/ 4 , Co i n! C, t11 t \ II j Cm \ {?C CgB2 v CcD wo Cm P.ft1 4 t r?CgB2 CeF 7 . 1 f /,' d {? , CeF u'CIB3_ see, CeF CeF /f ' Ce C? D eF r .r?? # U°j , N:.vF \. 'p. Ci +, 44 ? CeF . r C&6'4 an Ge y Ic ? _?- CgC2 CgC2 CeC2 u \t\/A K-8 GvVN Ty SDI >?S fz T' ?L)T+A NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Governor Director Dee Freeman Secretary October 7, 2009 Amy Mackinstosh Little & Little Landscape Architects PLLC PO Box 1448 Raleigh, NC 27602 2 24 't, - t 9 ? F X r ! 3 3 y OCT -8 2009 NBRRO#09-131,, Wake County BASIN: ® Neuse (15A NCAC 2B .0233) ? Tar-Pamlico (15A NCAC 2B .0259) ? Ephemeral/Intermittent/Perennial Determination ? Isolated Wetland Determination Project Name: Pullen Park Location/Directions: Features are located at Pullen Park in Raleigh Subject Stream: UT to and Rocky Branch Date of Determination: August 20, 2009 *E/I/P = Epherneral/Internrittent/Perennial Feature E/I/P* Not Subject Subject Start@ Stop@ Stream Form Pts. Soil Survey USGS To o Pond A X X Pond B X X X A (Rocky Branch) X X X B X X Explanation: The feature(s) listed above has or have been located on the Soil Survey of Wake County, North Carolina or the most recent copy of the USGS Topographic map at a 1:24,000 scale. Each feature that is checked "Not Subject" has been determined not to be a stream or is not present on the property. Features that are checked "Subject" have been located on the property and possess characteristics that qualify it to be a stream. There may be other streams located on your property that do not show up on the maps referenced above but, still may be considered jurisdictional according to the US Army Corps of Engineers and/or to the Division of Water Quality. This on-site determination shall expire five (5) years from the date of this letter. Landowners or affected parties that dispute a determination made by the DWQ or Delegated Local Authority that a surface water exists and that it is subject to the buffer rule may request a determination by the Director. A request for a determination by the Director shall be referred to the Director in writing c/o Cyndi Karoly, DWQ Wetlands/401 Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Individuals that dispute a determinatioR°e Caroli ona Ntuma!!y North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Internet www.ncwaterquality.org 1628 Mail Service Center Raleigh, NC 27699-1628 Phone (919) 791-4200 Customer Service FAX (919) 571-4718 1-877.623-6748 An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper Pullen Park Wake County October 7, 2009 Page 2 of 2 by the DWQ or Delegated Local Authority that "exempts" a surface water from the buffer rule may ask for an ad judicatory hearing. You must act within 60 days of the date that you receive this letter. Applicants are hereby notified that the 60-day statutory appeal time does not start until the affected party (including downstream and adjacent landowners) is notified of this decision. DWQ recommends that the applicant conduct this notification in order to be certain that third party appeals are made in a timely manner. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699-6714. This determination is final and binding unless you ask for a hearing within 60 days. The (owner/future owners) should notify the Division of Water Quality (including any other Local, State, and Federal Agencies) of this decision concerning any future correspondences regarding the subject property (stated above). This project may require a Section 404/401 Permit for the proposed activity. Any inquiries should be directed to the Division of Water Quality (Central Office) at (919)-733-1786, and the US Army Corp of Engineers (Raleigh Regulatory Field Office) at (919)-876-8441. Respectfully, Martin RichmoAd Environmental Specialist y cc: Wetlands/ Stormwater Branch, 2321 Crabtree Blvd, Suite 250, Raleigh, NC 27604 RRO/SWP File Copy / 9-/3/ - `v e U r? f Crrs 4bF a \\ t ?. Y R CaC2 4b q Q W, l7r EnC2 09 - M ,I i I 9 Pullen Park - Lake Howell Maintenance - Raleigh, NC Scope of Work - 12/21/2009 Page 1 Proposed Lake Howell Maintenance & Repairs Pullen Park, Raleigh NC (Wake County The purpose of this work is to maintain and repair the functionality of the existing lake, including its intake pipe for regulating water level, its containment walls, and its original water depth. 1. Remove accumulated sediment from bottom of Lake Howell (by Parks & Rec staff prior to start of main Pullen Park renovation project) • Drain the lake to dry out the bottom sediment by opening the valve on the outlet structure. Drain lake sufficiently to dry most of the lake bottom. Water may or may not remain in the lowest part of the lake. • Turn off recirculating pump and drain down upper pond to provide 2 ft of freeboard below top of outlet riser. • Remove and relocate or properly dispose of fish in Lake Howell. • See "Construction methods and conditions" below for lake bed access and equipment. • A drag line may be used to remove sediment and debris from lowest portion of lake. • Move sediment to designated areas along the perimeter and load directly onto trucks for lift and stockpile in upland area(s) outside the lake. Any piles of sediment temporarily stored within the lake bed shall be removed from the lake by the end of each working day. • See "Construction methods and conditions" below for more information. 2. Replace existing 12" inlet pipe and gate valve between Rocky Branch and Lake Howell (bv contractor for Pullen Park renovation project) • Install approved sediment control device or coffer dam at upper end of existing pipe to prevent sediment discharge into Rocky Branch. • Open valve to drain inside of coffer dam, seal as necessary to prevent flow from Rocky Branch and rout out pipe to full 12" diameter. • Remove existing valve. • Install 8'7165 psi (DR 25) inside of existing pipe from lake side to Rocky Branch, working from lake end of pipe. • Grout to fill voids between old pipe (inside) and new pipe outside. • Install valves on both ends. • Back fill ends with compacted soil/stone and stabilize. • Close valves and pump water into coffer dam, checking to assure that grout has sealed void between old pipe and PVC insert. • Remove coffer dam and any other sediment control devices. • See "Construction methods and conditions" below for more information. 3. Repair existing walls around the perimeter of Lake Howell (by contractor for Pullen Park renovation project) • Drain the pond sufficiently to provide dry access to the base of the perimeter wall. • Excavate as needed to install concrete wall reinforcement and footing, as shown on the details on Sheet 3 of the plans. Temporary discharge of fill during construction of wall and footings shall be limited to the 7' average width work zone shown on Sheet 2. Pullen Park - Lake Howell Maintenance - Raleigh, NC Scope of Work - 12/21/2009 Page 2 • Repair voids and cracks in existing wall and install concrete wall reinforcement and footing. • Backfill as needed around the footing. • Allow concrete to harden and cure for 7 days before refilling lake. • Refill lake with water after completion of all repair work and removal of equipment by opening intake valve from Rocky Branch. Partially fill lake to base of perimeter wall and allow to settle for 15 days or until most turbidity has cleared before continuing to fill the lake. • See "Construction methods and conditions" below for more information. Construction methods and conditions: • A sedimentation and erosion control plan must be approved by NCDENR-DLQ before beginning any land disturbance. • Any material excavated as part of this work will be temporarily stored near the place of work in a non-vegetated upland area above the top of bank, and either replaced and stabilized or removed from site. Sediment control measures will be installed to contain any sediment temporarily stockpiled on site. • Hand methods or small equipment, similar in size to a Bobcat or Dingo, will be used to do any work within the lake bottom and near the stream bank (for intake pipe and valve replacement). Equipment will be lowered into the lake from the side walls or will access the lake bed via temporary earth ramp on north side of lake (see plan for location). Temporary earth ramp, if provided, will be removed at end of project. • Logging mats will be used within the lake bottom to provide access routes for wall repair or sediment removal if the lake bottom does not provide firm enough support after the lake is drained. • All existing trees within NRB will be preserved with the exception of 3 existing Crabapples located along the lake bank at the lake end of the the inlet pipe. These trees are in fair to poor condition, with roots exposed by bank erosion. One is located directly over the pipe. 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LL N l6 N ? )- L O c 1D U' w mr- +' °° u?3 o? to m J m OL OL O O It r N N -F- U) m U N O O O N N v V V) re- O Z I a ve xl5 In n e I e ~J ce in Same r am o e re a em orar a i5 in i e ~s oca ion u51n ex or cons ruc Ion acce a - roxima e Size a l I / a5 5eeve ~ a ' n ® Oca 10 ~ I a ~ 0 . ~ ~ e ~ ~ ,P _f_-_-_ ~ ~ ~ ~ ~ , + . i ~ _ U i•___i _ ~ ~ , i I I (Ill . . ® 9 i - ` '-""~ti' II~~IIII~II ' ~ ' 1, I \ 1 ~ sw ON' I Il~illl ~~I . ~ o - •-I ~ .aw~oo~s'~ ~l urarn sxar + 1 + 1 ~ ~ ~ 1 IIII Iljl~ll ~ / I'mo' -~m i-- _ ~ _ .r ~ ao~aam l I III IIII~iII / - / I ~ I I / 1 ~ 1 Ii~llil III ~a v v I I I I ill 1111111 / / " I I „v - Iil~ II II / '_v i v i v A _ / ~ , + + ~ ~ 1 VIII I ------~--~'y ~ ~ i ~ ~ ~ v 11111 IIII ' . s / .aracav ' ~ypp,~~ ~J2a,`__ / ~ ~ w ~ ~.1"WePYt , , 1 _ III~UIl Lill. > ` _N OD_kP _ tkYeg', ~^<Pl~iua\1~ / ~ ~ ~o^ ~ i ~ _ 4V11 111 . i / % s~'_ ~ i ~vA v ~ ~ - / ~ ~ ~ ~ A ~ - 1, . 111111b'VAA , / ~.7M6nJw' / _ - - ~ ` loElacw n ~a V~~ - ~ ~ ~ \ / I 11111\4'Sa\\ / i~ ~ ` /I ~ ~v~ J / / ~ ~ 1111 vvvv UVA / / \ ~A v v v v v ~ m.,~~ _ --i o / / / - _ - •r ~ / v. v vv v v v` sal / ~ ~ • / ~ an~vvv~lu~ ~ / _ _ ~ \ + ~ J /sly"I4T U\ III illNN'I A - ~ I / i' \ \~v~ v v ~,Q T V ` ~ A ~ ~ I I'illlllll~`` ^ ~~i ~'i'~r/ /i-'-'~~1\\ \\.37~*\\ ~ \ _ 375,x---~/ i ~ _4 _ _ i b '315'='^~ ~ ~i/ 'i ~ ~ / \ _ e. - t u / G A ~ dn' ~ ` 320' ~ ~v .I` v I i - ~ - _ _ ~ 330\ - I ~ 11// ' / \ \ ~~~~`:.ar \ Q ~ \ ~ ~ KY BRANCH CRS' Emu~r---" i ° / / / vvv v 1~~ _ - ~ =rw, ' ~ w v / A ^~A cr. A w / ~r l r l~ / i ' ~ \ \ V A~ ~ ~ - StiRU~ i' X320" 11 . V A 1~ r / ~ t i l l ~ / / . v~ \ ~ ` ~ _ 3 _ a_-_ , 1 ~ ~ ~Q ~ ~ , ~ ~ ~ . vvvv vv vvy`~'~v ~1;~'~~ l ( lam' vv vv ~ a ~ _ ' - ~ i ~i ~ ~ x,.325.., \ \ ~ \ ~x I I \ " f \ vvvvvvJvbvv ~ ~.,vv~, v vvv I~~ II A ~ , 11 ~ , ~ I / vv v ~ A A ' ~v v ''A vv ~ x) n vvvgvvvPvv`vvJv~ v\v v\hv• III I 1 1 11 , I I , v v v Xining ~~~~ce 4~Y '~~rf ; ; . = , , y~,. , ~ ~ - . ~ , vv'~l~vvvv~,pvvp• v ~ i,v, f ~ ~ I ~ I v ~ 1 11 v vv ~ ~ v ~ _ vvvv ov v ;vvv r. I ~ \ v 1 `.A v ~ ~ v ~ ~ - LAKE htOWELL C4 1 JURIS TIONAL A1A~ VA~A\A t Ill A__J V.__ ~J ~ \ A A~ A \V A VA ~ M\ \ ~ I 1 11~ I ~ ~ ~ A~ ~ _----I ~V ~v lS~ ~ A ~ ~V V A ~ V 1 ~ ~ ~ \ WATER. NOT UBJ T T NR8) _ 1, ~ k~ 1 V 11 V A. A l \ 1 1 1 ~ ~ V ~~5^ V ~ V A\ ./J ~ 1 v,~v, v, •v vvv v ,~v, ~ , , , , a e are alr v~ 1 _SAROIdSft-____ \ / vv v, ' .vvv ` v1, ~ ~ ~ ~ ' 1 ~ A I ' \ ~ ~ VA~ V~\w vv\ 1 \ ,1 \ ~ A I I ~ A\ ~ MAINTENANCE TA55i 1 `VA A A 1 ~ A ~ ~ ~ ~ I ~ , ~ - ~ ~~~rs~~ 1) Dra(n lake Ctemporary) = 2) Remove accumulated sediment \ : ~ \ - / ~ new ace o wa ~ ~ ~ , ~ ~ 3) Repair + reinforce perimeter walls per details I vvvv` vv / Q~ vv. ~ ~ I" V A V ~ ~ I .w Q l ~ L ~ \ \ / ~ , , ~ -y ~ -'3s~~ ~ ~ , ~ y~` _ ~ , , , N~ and plan notes. I „vvvv v,,,, : ,..,,v e ai ~ vv .v.~. I , v ~ ' 1 ~y\y - , 1- _ 4) Replace existing inlet pipe + valve In existing I 1 1 vvv v V~ V v.A ~ ~ e I ~ ! / v~.vv v •vvvv A ~ v ~ A , ~ I 1 ~ ~ v'~'~54~ 4 ~ AV I` v I V~A V Aw\ ~QA\ 1 A~ ~ ~ ~i,- ~ ~1,' , ~ location. f 1 !i V vv ~ vvvv \-v ~ \ l IIII 0 v v0"+PAv ~ I v~~~ v t \ \ \ ~ 1 1 r,' ~ ~~T ~ t I ~v __I v`vv`v vvvv 1~ - V \ \ , \~\\\.R I ~r , I - or area a aye ~ Q I° ~ V ~ A,, vv~p vv ~vvV vv A l ~ ~ J \ \ I A \ ~ ~ vv Qvw NAVA~~" Av ' ~ \ 1 ~ ~ ~ ~ ~ ~ , ~ 1~Wo; k will be done from the sides of the lake 1 h ~ 70,` - \ \ r ve roue ~ 4 ~ \ ~ ~\\\Q\ \ \ _ \ ~ ~ s ~ ; ~ and/or small tracked equipment will be used within ~ ~ ~ ~ ;~~;y,~ ~ the lake bed to remove sediment and perform wall . ~ \ \ avers e wl ~ i ~ ~ ~ repairs. a , ~ _ ~ v ~ ~ ` ~ ; ~ 2. Any equipment will be lowered from the sides of ~ ~ ~ the lake or will access the lake bed via a ~ ; ~ temporary earth ramp to be constructed at the ~ ~ location shown, if needed. Any temporary fill placed ee ~ ~ ~ ~ 1`,,.~.~, 1+ ~ ~LY,~++ for the lake access ramp will be removed by the ~ - end of the project. ~ v ~ v ~ ~ ; " ~ 3. Beyond the temporary ramp, any temporary one ~ ~ ~ ~ \ , \ \ ~ _ ~ , P~ ' ' discharges associated with the wall repairs and ~ - r. ~ A .w x"m ~ ~c\ ` ~,~-`p -__v, ~ vim:; ~ \ \ \ 1 i ,SAM ~ replacement will occur in the T average width work qrR ~ i' ~ i ~ ~`V ~~'t r l _ \ , , area shown at the base of the perimter wall .and ~b \ ~ ~~~~;y~'.{~y-fir ~Q-" A ~~•o ~ A \ \ \ \ - ~ ~ ~ % ~ wil be removed at the end of the project. This ' ! / / o~. / vv,__r'` ~ ~ ; work area, including ramp area, shall not exceed ~ „s~ ~ U+, ~ ~ f, , 0.45 Ac. _ Imo.. Z ~2~ ,y + ~ , 7 ~ ~ \ 4. Within the lake bed equipment will either travel 4 _ _ ' ~ on the existing lake bed or on temporary logging - _ i3 ~~/fi I 1 our ~ ~ ! 315"•-.~.:_".=~~:~~~,-,.-__-~, ` ~ mats. 05- ` ~ ~ ~ ~ ~ 5. A Sedimentation/Erosion Control Plan will be t ~ ~ \ .~1 , - - - - ~ ~ti,,~ ~ submitted to NGDE~IR-DLQ for approval prior to ~L E .V~ w 1 ~_.°,~.t =~~~~~__35,^___-==;~,;~ start of construction or ground disturbance. w _ / ~ ~ I - ti-,~,~ ® 3 ~ , ~ ` 6. No trees will be disturbed in the NRB except . , - ~l. Ix..n C~ I~VUn EN40x5: \ SS IR EE ~ ~ ~ ~ _ ~ ~ ~~~~~~`~~y~ ~ ~ ~ ~ ~ as noted at Inlet pipe. R illkul[SS•L7 kaiL >t' 11Cai~;.0 ~ \ ~ ~ 106 ~F' _ ~ - 7. Lake lioweii existing water area at normal water t~ ~I,~_, -ti. ~ . ~ , , elevation 2.64 Ac. j ~ ' ~ Proposed water area at end of project= 2.G0 Ac._ ° ~ _ _ ~ ~ ~ y~ C0.04 Acre decrease due to additional 8" ,I I ~ ~ ~ ~ o thickness of perimeter -wall at normal water ~ elevation) c ~ l- -315'" ~ ~C q„1 ~ ; d ?rf J i r 4,F ° ~ ~ ~ ~ \ \ ~ r/ll r j m.„ ~ LIFT LITTLE e~ Lake Hawell Repairs - 404/4011mpacts PO gOX 1448 RALBJCH= N.C. 27502 818/827-5645 12-21-200q - To GOi`. 1)WQ ~ ~ tJC~ alien ark ® t 83C.~p.~q~~~uuhtlir 420 Ase Avenue, aleagh, NC '°'~R~~ 50 25 0 50 100 NORT} NOR,iH Scale: 1"=50' Project pulap.61 Sheet: 2 _ ~ emove xis in e + ave - xis m ne i ra a e ree5 in - 'n s me o ere ace i a oor con i ion wi , i u5in exi5 m i e • oca ion e ore roo ti 1 i 5 5eeve a ' ~ ® e e n 0 e ° ~ ° ° '%-E5~ 3 nn it ~ ~ ~ ~ - ~ ~ l ~ ~ ~ .ir nw~r ~ I I ~ ~ t ui~nn~ul _ / - "ors 9wd,Kl i-_ ~ - in I _ i - v 1~ t ~ ~v~axo' ~~~II~III~~III ~4~t' I ~ ~ I / ~ I ~ i ~ ~J„'-'---' I i ~ n, iui lil r , ~ - V v i ~ ~ ~ ~ I hni,n ~ I ~ I ~ ~ I ~ i t 1 ~ ~ ~ ~ ~ , 1 111 I i ',---,ar~aoM a2o~~- / ~ ~~`,•~~p~ ~ ,1 1 _d'pfllK' SIP tlOEIT ~^~P / ~ ~ 1 1 I / A,-,_-~- A ~ ~ II 11 411 i~~ ~sA00[t~'l PY paetT ` / ~v~~ ~ ~ ~ v ~ - 111 Ih\ s w~ / .IC `~._-_-~PJra37!`. ` ~~n v.wv ~ i / A ~ , ~ ~ _ ® 1 1 1 ~ ~ 1 1 ~ 1-~r...a ~ ~ 1 f ~ _ . t1 v l l/ i - ~~~1°`~w~ iii w 'ten ~I r 1 ^ _ - i~ I r i l y ?W IOLLI 1 A 1 e ~ ~ VAS ~ v~~ ~ ~V~.. - - ~ ~ ~ • ~ i ~ i _ X11 ~ _ _ ~ l /i v ~.k.~~ V ~ ~ / ~ i ! ~ - - ~ ~ ~ 1 - s ~ + I I/ / / J ~ ~ ~ ~ ram °v` -a~ _ , ® 1 / li/~~/~~~' .x.`•_10' _'-_-3zo~~. V s--,. . _325--,•' _ - _ ~ ~ ~ _ _ _ _ - IR i - - BRAN ~ , , , - , 1 1 1 CREEK +~c,~ . / ~ _ 1,. v 1 ~ V i i, ~ _ d<5 ~ 3~~, ~ 1 ~ v it iila r /3~y. - vv / ~ v 1 1 ~ ~ ~ ~ / / / . ~ ~ ~ - - - SNR . ~ i \ vA V A~1 ~1 71l / ~,/y/ ~ _ A`. ~ v V A~1AII I! ~ ~ 1 ~aq Y"l / ~ -~~1 ~ - ~~~ss ~ ~ - v. v`v 1 v el\111 ~ ~ ~ ~ / / / / / r ; / / , ` ~ ` y - vvvv `v v v v,~ 1 v 1 hl i i ~ i 1 ~ I ~ / ~ vv v~ vvv v v~ A A~ 111 1 e 1 1 1 1 ~ 1 / i/--'' ` V ~V `~A,~ - A \ ~O A ~A~ ~QAAA ~ P }l 111111 I I 11 1 1 Il ~ ~ I j ~/1I~- % - ~ ~ \ ~ - ~ \ \ 1 y ~i111 I I i 1 1 1 1 t \ / ~ / / \ \ / ~ ` ~ - s lair ` / ~ ~ ~ ~~~`+-ith-~1~-~-. vv vvwovw`~' v\ el ill I i `I ~ 11 1 v v / ~ ~ ~ vv , . ~ vv, .v . ~ 11 ~ 1 - v ~ 1 r ~ntr ' .r wlr ~ ~U ~ ~ ~ - - - - - - 111. it\I, ~ ~ A 1 - ~ ` ~ ~ ~ ~ ~ LAKE HOWELL 0401 JU~ISOIGTIONAL 11\1, J \ 1 11 \ _ 1 \ \ \ 1 1 11~A. ~ v- ~ A ~ Jhrr. A A ~ A 1d A V ~ ~ A A 11 ~V v~ ~3j5, 1 ~ 1 a e a re air 1 \ v~v 1 A i Z~ 1 1 1 ~ ~~5'~ i VII\~ A 1 1 ~~.Ji~ V A ~ l ~ - v~A ' ' WATER. NOT SU~JEGT T4 NRB) ~ / ,11~ ~,1v 1 -~__---1 ~ ; ~ em orcemen new \ _ _-_SdRO~JSEI-___- ~ - " ~ k MAINTENANCE T ~,,;,vv~ ace o wa e ai ~ 9YV ~ 1 - ~~`~m, -e~'"' 1) Drain lake Ctemporary) ~ ~~vvv~~ .4 - J~5' ~1 ~v~ ~ ~vvvvv ~ - 1 ~ ~ 2) Remove accumulated sediment • ~ vvvv ~.~v;v:. ; ~ ~ . ee ~ ~ ~ ~ , u,., % l 3) Repair d- reinforce perimeter walls per details ~ w~dvv Jv~ ~A~ V 1 ~ ~ ` ~~V`. • t -vP~JvvA ~\Q~~ :.Ir.' ~~vvv~v ~ - ~ ~ ' ~ ~ ~~a'- ~ ~ and plan notes. . 1, vvv,,,v,, o:v in one v,~a~v~ a,v~;v v ' ~ 1, 4) Replace existing inlet pipe + valve in existing • 1 \ ~~~v~y bhpvv ~ ~ 1 , location. ~ ~ ~ 1 1 Awv vvOv~\ 1 ~ v ~ ~ \ ~ e imen e ri5 remova ~8 \ - vvwvJvv ~wV~~~~ moval DTI®~~ , ~ ~~~2 4 or em orar E ~ ~ . .us ~ ~ ~ . 1. Work will be done from the sides of the lake \ s i5 ur ante or wa re air - 'r ~w~ ~ / ~~~~J`i-"-`~ l`m~'? i^\; ~ and/or small tracked equipment will be used within epa~ i ~ the lake bed to remove sediment and perform wall - - z 3.,,- ` a - - ~ ~ ~ ib - 1~ ,J. ~ - s in one )ne ~ ~ ~ 5`e I nt debrl~ repairs. e acemen ~ _ ,ate , ~ ~ 2. An a ul ment will be lowered from the sides of ~~'e11~OV~) - ~ y q P , , / ~ ~ / the lake or will. access the lake bed. via a ,.~~,4 41 5 f i n N R B Zone 1 ~ temporary earth ramp to be constructed at the /~T \ location shown. if needed. Any temporary fill placed - ~ :Cc ~ ~ - - . JIW~Y \ for the lake access ramp will be removed by the ~y/ i one ~ - end of the project. ~ / ~ 3. Beyond the temporary ramp, any temporary T ' i ~ ~ discharges associated with the wall repairs and ~ i L ~ • r:;•~~ ,%~"M ~ ~ ~ ~~ti ~ ; ; replacement well occur In the 7' average width work • , % ~ ~ area shown at the base of the perimter wall and - ~,o,, , Y ' 9 ~ ~ wil be removed at the end of the project. This i C~ ~ ~ 1 ` work area, including ramp area, shall not exceed w~ , 0.45 Ac. c' , ` NEU izv ~ ONE 2 R R - ' ~ ~ ~ ,,r p ~ 4. Wlthln the lake bed equipment will either travel ~~D'V A.~~C: ?~~:x y_ ~ ~ ~ ~ , ~ on the existing lake bed or on temporary logging GKY B ANG~t) - R ~:z ~ ~ ~ = „ , ,a ~ ~ mats. 1 ~ ~ ~ ~ 5. A Sedimentation/Erosion Control Plan will be 5 IV E Z N 1 ~ ~ B 0 R ~ R - ~ - ~ E L or approval prior to - ` ~ ~ ' ~ ~ submitted to NGD NR-D Q f `r~- 3 ~ - Start of construction or ground disturbance. ~ 0 YBANI~ ~ R ~j . man ~a mica, mewuis. u~r ~ a ~,:~r~~/%~ j _ " ~ , o~ ~ ~ ~ 6. No trees will be disturbed in the NRB except ~..t j = ~ , ~ / ~ j;~ as noted at inlet pipe. l ' - ~ ~ ' 7. Lake Rowell existing water area at normal water ~ ~ ' ® ~ r~ ~ elevation 2.64 Ac. . • ~ ~ r~ Pro osed w t r r p a e a ea at end of project 2.60 Ac. ® _ j ~ ~ C0.04 Acre decrease due to additional 8" ' ' ' _ ' ~ thickness of perimeter wall at normal water ~ ~ ~ , , elevation.) ~ ~ ~ \ --a,s- ~ i - Lake .Howell Repairs - IVRB Impacts ~I ~'T.~E LITTLE' PO BOX 1449 RALBlCB. N.C. 27602 919/821-5645 idle j''k 12-21-200q - To 1)WQ so z5 0 50 ~o0 420 Ase Avenue, aleigh,lVC NORTH NORTH Scale: 1"=50' Project _pula~.61 Sheet: 2A