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Home My WebLink About20050612 Ver 4_401 Application_20120720t 9 Dewberry 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ARCHITECTS ENGINEERS CONSULTANTS Ravenwood Drive Culvert Replacement Pre - Construction Notification Permit Package Application City of Raleigh Dewberry Project # 73116900 July 18 2012 V@90-w[m J =.WATE14QUALITY DENR SUBMITTED BY Dewberry & Davis Inc 2301 Rexwoods Drive Suite 200 Raleigh NC 27607 919 881 9939 919 8819923 fax NC License No F 0679 SUBMITTED TO City of Raleigh NC Division of Water Quality 401/Wetlands Unit 1650 Mall Services Center Raleigh INC 27699 Dewberry I ' Reference City of Raleigh I Ravenwood Drive Culvert Replacement Dewberry Project No 73116goo tDear Ms Witherspoon Dewberry & Davis Inc 2301 Rexwoods Drive Suite 200 Raleigh NC 27607 3366 919 881 9939 919 881 9923 fax www dewberry com ' This project was formerly permitted as DWQ Project # 05 o612 Ver 3 Wake Co Simmons Branch 1030402 27 34 2 C NSW] Unfortunately the bidding and construction of this project was delayed and the permit expired March 13 2011 The City is now seeking to move forward with bidding and 1 construction and is resubmitting the project for permitting by NCDENR DWQ and USACE Enclosed are five copies of a Pre Construction Notification (PCN) Permit Application Package for the City of Raleigh Ravenwood Drive Culvert Replacement project including ' • Processing Fee of $240 • Five copies of the PCN Application Form ' • Five copies of the Stream and Buffer Impacted Areas Drawing • Five copies of Vicinity Map USGS Map and Soils Map • Five copies of the Delineation Map • Five copies of Project Drawings It is anticipated that 132 linear feet of stream will be impacted Approximately 38 linear feet of stream ' will be temporarily impacted during construction and approximately 94 linear feet will be permanently impacted It is anticipated that 8 705 square feet of the Neuse River Buffer will be impacted Approximately 7 794 square feet will be temporarily impacted during construction and approximately 911 ' square feet will be permanently impacted The enclosed information documents and describes the anticipated impacts ' Please call with any questions regarding this project Sincerely Dewberry & Davis Inc G G` Michael A Hanson PE LEED AP BD +C Enclosures W \projects \73116goo \Admin \Permits \Ravenwood 2012 \2012 05 22 Cover Letter docx 1 July 18 2012 Ms Lauren Withersp000n 1 NC Division of Water Quality 401 /Wetlands Unit 1650 Mail Service Center Raleigh North Carolina 27699 1650 Reference City of Raleigh I Ravenwood Drive Culvert Replacement Dewberry Project No 73116goo tDear Ms Witherspoon Dewberry & Davis Inc 2301 Rexwoods Drive Suite 200 Raleigh NC 27607 3366 919 881 9939 919 881 9923 fax www dewberry com ' This project was formerly permitted as DWQ Project # 05 o612 Ver 3 Wake Co Simmons Branch 1030402 27 34 2 C NSW] Unfortunately the bidding and construction of this project was delayed and the permit expired March 13 2011 The City is now seeking to move forward with bidding and 1 construction and is resubmitting the project for permitting by NCDENR DWQ and USACE Enclosed are five copies of a Pre Construction Notification (PCN) Permit Application Package for the City of Raleigh Ravenwood Drive Culvert Replacement project including ' • Processing Fee of $240 • Five copies of the PCN Application Form ' • Five copies of the Stream and Buffer Impacted Areas Drawing • Five copies of Vicinity Map USGS Map and Soils Map • Five copies of the Delineation Map • Five copies of Project Drawings It is anticipated that 132 linear feet of stream will be impacted Approximately 38 linear feet of stream ' will be temporarily impacted during construction and approximately 94 linear feet will be permanently impacted It is anticipated that 8 705 square feet of the Neuse River Buffer will be impacted Approximately 7 794 square feet will be temporarily impacted during construction and approximately 911 ' square feet will be permanently impacted The enclosed information documents and describes the anticipated impacts ' Please call with any questions regarding this project Sincerely Dewberry & Davis Inc G G` Michael A Hanson PE LEED AP BD +C Enclosures W \projects \73116goo \Admin \Permits \Ravenwood 2012 \2012 05 22 Cover Letter docx 1 Version 1 3 December 18 2008 401 Oversight/Express Permitting PCN Submittal Checklist ' ® The application fee (Checks may be made out to N C Division of Water Quality $240 00 for 401 Water Quality Certification with minor impacts $570 00 for 401 Water Quality Certification with major impacts ® Five (5) complete and collated copies of the PCN Application and supporting documentation (instead of providing 5 copies of the full size plans you may provide two copies of full size plans along with three copies of 11 X 17 plans) ❑ Stormwater Management Plan (if applicable — see PCN Form Help ile Section E p ) 1) Please provide three (3) copies of the stormwater management plans along with all supporting information pertaining to this protect including the following a Entire site development/layout plans delineating all drainage areas b Design calculation sheets for all proposed BMP(s) sized for both on site and off site drainage c BMP supplements for each proposed BMP and Required Items Check List (http //h2o enr state nc us /su /bmp forms htm) along with all ' required items d A Notarized Operation & Maintenance Agreement for each stormwater management facility t e Detailed construction drawing sheets shall include (i) Erosion and sediment control plans (ii) Installation and planting schedules for the proposed BMPs (iii) Appropriately scaled plan views and cross sectional details of ' all BMPs and associated components — inlet and outlet structures forebay respective zones and pertinent elevations ' ❑ If your project is located within a State implemented Riparian Buffer Rule Area submit the following along with site plans and PCN form 1) Three (3) copies of the details for on site diffuse flow provisions (refer to ' http Hh2o enr state nc us /su /bmp_ forms htm) ❑ DWQ Stream Determination Forms for streams on property and DWQ determination letter for wetlands or streams (if applicable) The following is the most critical of all the information that you must provide The quality and detail of the information will often determine the expeditiousness of the review The following is a checklist of the types of pertinent information required at a minimum Maps and Plans ' X The most recent version of the 1 24 000 USGS Topographic Map Please cleanly draw or delineate the site boundaries on the topographic map X The most recent version of the bound and published County NRCS Soil Survey Map (required for projects within the Neuse River Basin Tar Pamlico River Basin ' Randleman Lake Watershed and the Catawba River Basin also recommended for all projects) Please cleanly delineate the site boundaries etc on the map If the delineation obscures any of the features it is recommended that a clean copy be ' provided Copies of the current soil survey and /or soil survey map sheets can be I tVersion 1 3 December 18 2008 ' obtained from the local NRCS County Office (http Hwww nc nres usda gov /) GIS soil layers are not acceptable ' X Vicinity map Please clearly mark the location and approximate boundaries of the property and project on the map Please indicate north arrow and scale Please ' include applicable road names or State Road numbers X The Site Plan The most critical map to be provided is the site plan You must provide full sized plans The following is the minimum list of plans that are typically needed X Proposed Impacts All impacts to jurisdictional and non Jurisdictional wetland ' stream water features and State regulated buffers must be shown and labeled on the site plans at a scale no smaller than 1 = 50 All excavation fill flooding stabilization and other impacts that will be conducted in or near jurisdictional and ' non Jurisdictional wetland stream water features and State regulated buffers must X Pre construction /Pre existing conditions This sheet (or sheets) must include ' • All Jurisdictional and non jurisdictional wetland stream water features State regulated buffers (delineated into Zones 1 and 2) • Topographic contours with elevations ' Any existing structures and impervious areas • Existing utility lines and easements • Existing roads culverts and other pertinent features ' • North arrow and the scale (1 50 scale is recommended) X Proposed conditions This sheet (or sheets) must include • All jurisdictional and non Jurisdictional wetland stream water features State regulated buffers (delineated into Zones 1 and 2) • Lot layout (if a subdivision is proposed) lots must be developable without further impacts to iurisdictional and non iurisdictional wetlands, streams water features and State regulated buffers Building envelopes must be provided when streams wetlands riparian buffers or water features exist on a lot • All built out structures and impervious cover • Final grading contours with elevations • All utilities and easements (including septic fields on all lots within 100 feet of stream wetland or water features if applicable) • Impacted areas — these should correspond with the Impact numbers listed on your PCN form X Drainage Plans Final drainage plans must include the following • Locations and pertinent elevations and sizes of the stormwater collection system and drainage ways • All inlets and outlets must also be shown with pertinent elevations (All outlets to wetlands must be at a non erosive velocity, generally less than 2 ft/sec during the peak flow from the 10 yr storm) ' • Scaled stormwater BMPs must also be indicated as required by DWQ rules and policies • In certain cases (see Section E of PCN form) final stormwater management ' plans must also be provided (see Stormwater Management Plan Checklist) X Proposed Impacts All impacts to jurisdictional and non Jurisdictional wetland ' stream water features and State regulated buffers must be shown and labeled on the site plans at a scale no smaller than 1 = 50 All excavation fill flooding stabilization and other impacts that will be conducted in or near jurisdictional and ' non Jurisdictional wetland stream water features and State regulated buffers must 1 1 1 1 1 i 1 0 1 1 1 1 1 t Version 1 3 December 18 2008 be indicated Please provide cross sectional details showing the provisions for aquatic life passage (burial of culvert 20% for culverts <_ 48 inches and 1 foot for culverts > 48 inches) Wetland Impacts ❑ Precise grading and final elevation contours must be provided Existing vegetation and any clearing must be specified ❑ All subsurface utility lines must indicate the location of anti seep collars Construction detail for anti seep collars must be provided ❑ Roadway or other crossings of riparian wetlands may require floodway culverts to maintain existing hydrological conditions ❑ Plans should show that the hydrology of remaining wetlands on the site will be maintained Stream Impacts X Stream impacts must be clearly shown on the plans The centerline as well as the banks of the stream must be surveyed or located by GPS for the portion of the stream to be impacted X The inlet and the outlet of all culverts should be aligned with the stream as much as possible Inlet and outlet elevations and streambed elevations should be indicated Any inlet or outlet protection must be shown and enumerated on the impact map(s) ❑ For bottomless culverts or other spans a vertical cross section should be provided that shows the minimum distance from each span to each stream bank the stream cross section the height of the span above the stream and the minimum distance from the edge of each footer to each stream bank Additionally please provide a signed and sealed geotechnical report of subsurface soils at the proposed bottomless culvert location The report must comply with the Division of Highways — Guidelines for Drainage Studies and Hydraulic Design prepared by A L Hankins Jr State Hydraulics Engineer 1999 X Multiple culverts or sectioned box culverts typically require the use of sills off setting or other means to match the cross section of the existing stream (in order to maintain stream stability and provide aquatic life passage) A vertical cross section of the culverts should be shown overlain with the up and downstream stream cross section including the stream flood prone area ❑ Impacts associated with dam construction must indicate and enumerate all fill associated with the dam footprint spillway and any bank stream bank stabilization The length of stream impounded must also be indicated and enumerated 1 1 f! 1 `I 1 1 1 1 1 1 1 O�O,� W A rFR9 � T US- 0LPI&..v'� Office Use Only Corps action ID no DWQ project no Form Version 13 Dec 10 2008 Page 1 of 12 PCN Form — Version 1 3 December 10 2008 Version Pre - Construction Notification (PCN) Form A Applicant Information 1 Processing la Type(s) of approval sought from the Corps ®Section 404 Permit ❑Section 10 Permit 1b Specify Nationwide Permit (NWP) number NWP 3 or General Permit (GP) number is Has the NWP or GP number been verified by the Corps? ® Yes ❑ No 1d Type(s) of approval sought from the DWQ (check all that apply) ® 401 Water Quality Certification — Regular ❑ Non 404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ® Riparian Buffer Authorization 1e Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification ❑ Yes ® No For the record only for Corps Permit ❑ Yes ® No 1f Is payment into a mitigation bank or in lieu fee program proposed for mitigation of impacts? If so attach the acceptance letter from mitigation bank or in lieu fee program ❑ Yes ® No 1g Is the project located in any of NC s twenty coastal counties If yes answer 1 h below ❑ Yes ® No 1h Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2 Project Information 2a Name of project Ravenwood Drive Culvert Replacement 2b County Wake I n.,n a 2c Nearest municipality / town Raleigh 2d Subdivision name N/A 2e 3 NCDOT only T I P or state N/A project no Owner Information W@dends Ty AII W bm Aran 3a Name(s) on Recorded Deed City of Raleigh 4 3b Deed Book and Page No Deed Book 2943 12807 01768 Page No 726 1046 342 3c Responsible Party (for LLC if applicable) Carl Dawson Public Works Director 3d Street address 222 West Hargett Street 3e City state zip Raleigh NC 27601 3f Telephone no 919 996 4093 3g Fax no 919 996 7638 3h Email address carl dawson@ci raleigh nc us Page 1 of 12 PCN Form — Version 1 3 December 10 2008 Version 1 1 t n 1-1 i Ll 1 1 7 1 1 1 1 I I 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 Mike Hanson P E 5b Business name (if applicable) Dewberry & Davis Inc 5c Street address 2301 Rexwoods Drive Suite 200 5d City state zip Raleigh NC 27607 3366 5e Telephone no 919 881 9939 5f Fax no 919 881 9923 5g Email address mhanson @dewberry com Page 2 of 12 1�� 1 1 1 1 1 1 1 1 11 1 1 1� B Project Information and Prior Project History 1 Property Identification 1 a Property identification no (tax PIN or parcel ID) 0783389250 0783389131 0783482014 and City of Raleigh ROW lb Site coordinates (in decimal degrees) Latitude 357777 Longitude 787166 (DD DDDDDD) ( DD DDDDDD) 1c Property size N/A — Project in ROW 2 Surface Waters 2a Name of nearest body of water (stream river etc ) to Simmons Branch proposed project 2b Water Quality Classification of nearest receiving water C NSW 2c River basin Neuse 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 existing culvert consists of one 65 linear ft concrete pipe 5 ft diameter groove end entrance pipe projecting from fill and one 65 linear ft concrete pipe horizontal ellipse (4 9 ft (W) x 3 ft (H)) square edge with headwall The general landuse surrounding the area is Residential 3b List the total estimated acreage of all existing wetlands on the property 0 3c List the total estimated linear feet of all existing streams (intermittent and perennial) on the property Work is within a City of Raleigh Right of Way in Simmons Branch 3d Explain the purpose of the proposed project The purpose of the proposed work is to reduce the frequency of flooding to houses upstream of Ravenwood Drive and on the roadway by providing additional flow area so that backwater during large events will be reduced The middle culvert will be constructed 6 inches lower than the two outer culverts to maintain a low flow channel Rip rap upstream and step pools downstream of the culverts will be included to maintain stability of the stream and prevent erosion 3e Describe the overall project in detail including the type of equipment to be used Construction activity will include the removal and replacement of approximately 100 linear feet of roadway and embankments foundation excavation for and construction of three 71 ft long 4 ft high by 8 ft wide reinforced concrete box culverts with the middle culvert 6 inches lower than the two outer culverts to maintain a low flow channel minor grading at the culvert ends to tie existing ground to proposed culvert inlets and installation of the minimum length of rip rap required for stabilization for inlet protection and step pools for outlet protection It is anticipated that earth moving equipment such as hydraulic excavators and /or bulldozers will be used Project also includes construction of a temporary access road around the site The access road will be in use while existing culverts are removed and box culverts are constructed The access road is required to construct the work and the road is a dead end road Access must be maintained at all times for safety 4 Jurisdictional Determinations 4a Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property ❑ Yes ® No ❑ Unknown / project (including all prior phases) in the past? Comments 4b If the Corps made the jurisdictional determination what type ❑ Preliminary ❑ Final of determination was made 4c If yes who delineated the jurisdictional areas? Agency /Consultant Company Name (if known) Other 4d If yes list the dates of the Corps jurisdictional determinations or State determinations and attach documentation Page 3 of 12 PCN Form — Version 1 3 December 10 2008 Version 1 1 1 1 t 1 1 1 1 1 1 1 B Project Information and Prior Project History 5 Project History 5a Have permits or certifications been requested or obtained ® Yes ❑ No ❑ Unknown for this project (including all prior phases) in the past 5b If yes explain in detail according to help file instructions A 401 permit (DWQ Project # 05 0612) was issued from DWQ on 5/6/05 and updated on 2/27/06 The permit expired on 2/27/08 A 404 permit was issued from Corps on 6/17/05 The permit expired on 3/18/07 The 404 permit was issued by default because the permit was not reviewed within the 45 days review time limit 6 Future Project Plans 6a Is this a phased project? ❑ Yes ® No 6b If yes explain Page 4 of 12 1 1 P 1 t 1 1 1 1 1 Fi 1 1 1 1 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 ❑ Corps ❑ No ❑ DWQ 2g Total wetland impacts 2h Comments 3 Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site then complete this question for all stream sites impacted 3a 3b 3c 3d 3e 3f 3g Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact number (PER) or (Corps 404 10 stream length Permanent (P) or intermittent DWQ — non 404 width (linear Temporary (T) (INT)? other) (feet) feet) S1 ❑ P ® T Temporary impact during Simmons Branch ® PER ® Corps 14 14 construction INT ❑DWQ S2 ® P ❑ T Restoration/ Riprap Simmons Branch ® PER ❑ INT ® Corps ❑ DWQ 24 32 Stabilization S3 ® P ❑ T Restoration/ Riprap Simmons Branch ® PER ® Corps 31 62 Stabilization ❑ INT ❑ DWQ S4 []POT Temporary impact during Simmons Branch ® PER ® Corps 17 24 construction INT ❑DWQ S5 ❑ P ❑ T ❑ PER ❑ Corps ❑ IN ❑ DWQ S6 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ 3h Total stream and tributary impacts 132 ft Page 5 of 12 PCN Form — Version 1 3 December 10 2008 Version �l 1 1 1 1 i 1 1 [i 1 t 1 1 1 1 31 Comments Width is measured from widest area along impact Temporary impacts total 38 linear feet Permanent impacts total 94 linear feet 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 indiv ualIV list all open water impacts below 4a Open water impact number — Permanent (P) or Tem ora T 4b Name of waterbody (if applicable) 4c Type of impact 4d Waterbody type 4e Area of impact (acres) 01 ❑P ❑T 02 ❑P ❑T 03 ❑P ❑T 04 ❑P ❑T 4f Total open water impacts 4g Comments 5 Pond or Lake Construction If pond or lake construction proposed then complete the chart below 5a Pond ID number 5b Proposed use or purpose of pond 5c Wetland Impacts (acres) 5d Stream Impacts (feet) 5e Upland (acres) 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 51 Expected pond surface area (acres) 51 Size of pond watershed (acres) 5k Method of construction Page 6 of 12 1 P--, 1 1 1 1 1 1 1 J 1 1 1 t 6 Buffer Impacts (for DWO) 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 for Buffer Zone 1 impact Zone 2 impact Permanent (P) or impact Stream name mitigation (square feet) (square feet) Temporary T required? Stream ❑ Yes 61 ❑ P ®T Restoration/ Simmons Branch ® No 1122 275 Stabilization Stream ❑ Yes B2 ®P ❑ T Restoration/ Simmons Branch ® No 202 0 Stabilization B3 ❑ PH T Stream Restoration/ Simmons Branch ❑ Yes 874 0 Stabilization ® No B4 ❑ P ®T Stream Restoration/ Simmons Branch ❑ Yes ® No 1480 927 Stabilization B5 ® P ❑ T Stream Restoration/ Simmons Branch ❑ Yes 444 0 Stabilization ® No B6 ®P ❑ T Stream Restoration/ Simmons Branch ❑ Yes 265 0 Stabilization ® No B7 ❑ P ®T Stream Restoration/ Simmons Branch ❑ Yes ® No 1977 1139 Stabilization 6h Total buffer impacts 6364 2341 61 Comments Temporary impacts in buffer areas are for contractor access to Simmons branch to replace culvert and stabilize banks installation of E &SC measures to protect stream and surrounding properties and construction of a temporary access road for traffic flow while culvert is replaced Permanent impacts are for installation of permanent turf reinforcement mat and nprap stabilization Page 7 of 12 1 1 1 t 1 1 1 1 1 1 1 [7 D Impact Justification and Mitigation 1 Avoidance and Minimization la Specifically describe measures taken to avoid or minimize the proposed impacts in designing project The culvert replacement is required to minimize flooding The replacement has been designed to disturb the minimal length of stream required for the culvert replacement Proposed stream restoration /stabilization techniques and outlet protection will protect the stream from future erosion The inlet and outlet protection measures have been minimized to include only the measures needed to prevent erosion and stabilize the stream bank 1 b Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques Contractor will minimize impacts to stream and buffers by working within permitted project limits 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 El Payment to in lieu fee program ❑ Permittee Responsible Mitigation 3 Complete if Using a Mitigation Bank 3a Name of Mitigation Bank 3b Credits Purchased (attach receipt and letter) Type Quantity 3c Comments 4 Complete if Making a Payment to In lieu Fee Program 4a Approval letter from in lieu fee program is attached ❑ Yes 4b Stream mitigation requested linear feet 4c If using stream mitigation stream temperature ❑ warm ❑ cool ❑cold 4d Buffer mitigation requested (DWQ only) square feet 4e Riparian wetland mitigation requested acres 4f Non riparian wetland mitigation requested acres 4g Coastal (tidal) wetland mitigation requested acres 4h Comments 5 Complete if Using a Permittee Responsible Mitigation Plan 5a If using a permittee responsible mitigation plan provide a description of the proposed mitigation plan Page 8 of 12 PCN Form — Version 1 3 December 10 2008 Version 1 n 1 1 L� 1 1 1 1 1 6 Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWO 6a Will the project result in an impact within a protected riparian buffer that requires ❑ Yes ® No buffer mitigation2 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 Stream restoration /stabilization 6364 3 (2 for Catawba) 0 Zone 2 Stream restoration /stabilization 2341 15 0 6f Total buffer mitigation required 0 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 Mitigation is not required for steam restoration and stabilization A large portion of the buffer disturbance will be a temporary impact which does not required mitigation Page 9 of 12 t t 1 1 1 J L fl 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 El 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 Work is culvert replacement in a stream Diffused flow is not possible 2 Stormwater Management Plan 2a What is the overall percent imperviousness of this project? No change in impervious area 2b Does this project require a Stormwater Management Plan? ❑ Yes ® No 2c If this project DOES NOT require a Stormwater Management Plan explain why The work proposed is for replacement of an existing culvert under a roadway and stabilization of the stream bank immediately upstream and downstream of the culvert 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? ❑ DWO Stormwater Program ❑ DWQ 401 Unit 3 Certified Local Government Stormwater Review 3a In which local governments 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 attached9 4 DWO Stormwater Program Review ❑ Coastal counties 4a Which of the following state implemented stormwater management programs apply ❑ HQW ❑ 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 10 of 12 PCN Form — Version 1 3 December 10 2008 Version 1 1 [I I1 u 1 1 1 1 t t 1 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? lb 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 (DWO 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 11 of 12 PCN Form — Version 1 3 December 10 2008 Version 1 1 u 1 t r ri Ii t t 1 t t 1 1� 5 Endangered Species and Designated Critical Habitat (Corps Requirement) 5a Will this project occur in or near an area with federally protected species or ❑ Yes ® No habitat? 5b Have you checked with the USFWS concerning Endangered Species Act ❑ Yes ® No impacts? 5c If yes indicate the USFWS Field Office you have contacted E:1 Raleigh ❑ Asheville 5d What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? Email correspondence with Corps of Engineers 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? Email correspondence with Corps of Engineers 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 ® 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? Email correspondence with Corps of Engineers 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 Applicant/Agent s Printed Name Date Applicant/Agent s Signature (Agents signature is valid only if an authorization letter from the applicant is provided Page 12 of 12 Legend Simmons Branch Land Parcels Street Centerlines T j White Oak Lake w C X O Z D M O� BLVD CHAPEL HILL 0. 9 Asti 9�� \sue — �"o oti �a o � w o G z co Z Y m w z Location: Wake County, Raleigh, NC Ravenwood Culvert Location KAPLAN CIR VD Project Watershed SWALLOW -I / R[b I � stj , Site Vicinity Map N City of Raleigh o 500 1,00 ee Ravenwood Culvert Replacement 1 inch equals 1,000 fe 1 978 ° 44' 0.00" W I I 1 9 78 ° 43 0.00 V1� Q78 ° 42 0.00 V1� 1 1 vro ww u.uu vv U /b'43' U.UU" W ' ' 1 078 °42' 0.00" W Name: RALEIGH WEST Location: 035146'37.61"N 078,42'59.61"W Date: 2/11/2009 Scale: 1 inch equals 2000 feet Copyright (C) 1998, Maptech, Inc. / J l •'� l tl Ck _ F �/ r O i o v � `�•'•�,•��\ / � B i p .ti �` I • \ �) 1 �� _.�._" �� 4 -.,.' ! �('�•f ,rte t ..:�G .,pp� r �1:� ••'I• ` �5 r. ., � � \.._ta@t }� "!'p y.: ; " � t ;;ems �� . � � • � ' / • 1 l2 �7. �, � Z ` o f a i • 1 rte` �J Iii .. � ,ter y r ' %• 4i�t � * '' • '�� ' , tV� - Ravenwood � ,.�.��, > . lC �, ':�. Drive Culvert ti �.• - -..// i ��✓ O �, o 1�l"' . � • •. 7 I/ • .� J - 1� r . (O O vro ww u.uu vv U /b'43' U.UU" W ' ' 1 078 °42' 0.00" W Name: RALEIGH WEST Location: 035146'37.61"N 078,42'59.61"W Date: 2/11/2009 Scale: 1 inch equals 2000 feet Copyright (C) 1998, Maptech, Inc. Is N I I LL I I A I I Q till I I I ;t! I I'] Streams White Oak Lake Ravenwood Watershed Delineation Map N Ravenwood Culvert Replacement ° 1,000 2'O Feet City of Raleigh 1 inch equals 1,000 feet / CO / / a LU Z LLI trill OCL 22 LLL Lux LU WD / X11 Z °�aN� cli i Q ��° rp .� chi` � � �� 1 � `C'' o m / �•b •• ;, ..... s I I I I d s y py l r h 4 y •. ;..... / \ rjr � w ILI • '�y° w ¢ w ¢ ��'� _ i '`nom °•Oi- z z < < _ CD ,��V/ / / ` �a'o �� >a. fir,, "'b�• � � 4