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HomeMy WebLinkAbout20091356 Ver 1_401 Application_200912092301 Rexwoods Drive Dewberrya Suite 200 Raleigh, NC 27607 December 30, 2009 Ms. Cyndi Karoly 401 Oversight/Express Permitting Unit Supervisor NC Division of Water Quality 401/Wetlands Unit 1650 Mail Service Center Raleigh, North Carolina 27699-1650 919.881.9939 919.881.9923 fax www.dewberry.com Reference: City of Raleigh 2010 Sanitary Sewer Improvements at Various Locations Dewberry Project No. 50015014 Dear Ms. Karoly: I B ?j09 DW- Wi„ %AUTY WERA AM STCt,,??eATER$RAM RICS-1@19NIAB oK 3 1 2009 UENR - WATER QVAUTY y&ETt< M AND $TogMWATER BRANCH Enclosed are five copies of a Pre-Construction Notification (PCN) Permit Application Package for the City of Raleigh 2010 Sanitary Sewer Improvements at Various Locations project. For your review we have enclosed the following: Five copies of the PCN Application Form Five copies of the Stream and Buffer Impacted Areas Drawing Five copies of USGS Map and Soils Map Only Buffer Rule approval is sought (no application fee is included). The project titled "2010 Sanitary Sewer Improvements at Various Locations" comprises sanitary sewer improvements at seven sites. Two of the seven sites create no stream or buffer impacts and are not mentioned in this PCN permit application. The five sites described in this permit application result in approximately 6,223 square feet of Zone 1 buffer impact, of which 5,189 square feet are allowable and 1,034 square feet (at the Leafcrest and Sutton sites) are allowable with mitigation. The five sites also result in approximately 8,757 square feet of allowable Zone 2 buffer impact. Work at one of the five sites (Leafcrest) will eliminate approximately 9,906 square feet of Zone 1 buffer impact. The City proposes the relocation of the Leafcrest sanitary sewer as permanent in-kind mitigation for the proposed 1,034 square feet of Zone 1 impact at the Leafcrest and Sutton sites. The enclosed information documents and describes the anticipated impacts. Please contact me with any questions regarding this project. Sincerely, Dewbe & Davis, Inc. '? . Ma T. Bri. LEED AP Project Engineer Enclosures PA50015014\Adm\Permits\Various Sewer Projects\401-404 (DWQ - Corp)A2009.12.30 - DWQ Cover Letter-Various SS.doc Dewberry & Davis, Inc. j0F VIATF?9QG O Nii? -c 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 1a. Type(s) of approval sought from the Corps: N Section 404 Permit E] Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: 12 or General Permit (GP) number: 1c. 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): N 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit ? 401 Water Quality Certification - Express N 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: N Yes ? No For the record only for Corps Permit: N 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 N No 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ? Yes N No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes N No 2. Project Information 2a. Name of project: 2010 Sanitary Sewer Improvements at Various Locations 2b. County: Wake 2c. Nearest municipality / town: Raleigh ,a L; L9 U W L9 2d. Subdivision name: N/A D 2e. NCDOT only, T.I.P. or state project no: Er 0- ' r N/A 3. Owner Information MTLMFiiil6ii(ih MATE SWCH 3a. Name(s) on Recorded Deed: City of Raleigh 3b. Deed Book and Page No. 3c. Responsible Party (for LLC if applicable): City of Raleigh (Public Utilities Department) Jroo..? 3d. Street address: 219 Fayetteville Street Mall 3e. City, state, zip: Raleigh, NC 27602 3f. Telephone no.: 919-857-4540 3g. Fax no.: 919-857-4545 3h. Email address: Page 1 of 13 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: Mary T. Brice 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: mbrice@dewberry.com Page 2 of 13 B. Project Information and Prior Project History 1. Property Identification Oakland/Capital/ Ileagnes/ - In existing R/W 1a. Property identification no. (tax PIN or parcel ID): Leafcrest- 1716834601 Sutton - 1708559398 Latitude: - Longitude: - Oakland - 35°49'31" N 78°37'44"W Capital - 35°45'58" N 78°43'43"W 1 b. Site coordinates (in decimal degrees): Ileagnes - 35°44'44" N 78°38'58"W Leafcrest - 35°50'55" N 78°35'60' W Sutton - 35°51'31" N 78°38'33"W Oakland - 0.077 Acres Capital - 0.095 Acres 1c. Property size: Ileagnes - 0.486 Acres Leafcrest - 0.574 Acres Sutton - 0.441 Acres 2. Surface Waters Oakland - Big Branch (Basin 18, Stream 21) Capital - Unamed tributary to Walnut Creek 2a. Name of nearest body of water (stream, river, etc.) to Ileagnes - Unamed tributary to Walnut Creek proposed project: Leafcrest - Marsh Creek (Basin 18, Stream 17) Sutton - Unamed tributary to Honeycutt Creek Oakland - C; NSW Capital - C; NSW 2b. Water Quality Classification of nearest receiving water: Ileagnes - C; NSW Leafcrest - C; NSW Sutton - WS-IV, NSW 2c. River basin: Neuse Page 3 of 13 PCN Form - Version 1.3 December 10, 2008 Version Project Information and Prior Project History 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: Oakland/Capital/Ileagnes - Existing 8"-10" sanitary sewer aerial over stream that is deteriorating and becoming unstable due to eroding soils Leafcrest - Existing 18" sanitary sewer main that is exposed in the streambed Sutton - Existing sanitary sewer main underneath 1-540 that has sags in the line causing Sanitary Sewer Overflows 3b. List the total estimated acreage of all existing wetlands on the property: There are no known wetlands on any of the sites. 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: Oakland - A maximum of 40 LF of stream Capital - A maximum of 55 LF of stream Ileagnes - A maximum of 120 LF of stream Leafcrest - A maximum of 400 LF of stream Sutton - A maximum of 50 LF of stream 3d. Explain the purpose of the proposed project: Oakland/Capital - To replace to existing sanitary aerial crossings that are showing potential signs of failure Ileagnes - Replace existing sanitary sewer main that does not meet current state and City standards. This will aid in preventing backflow problems in a nearby apartment complex. Leafcrest - Relocate the existing sanitary sewer out of the stream bed Sutton - Relocate the existing sanitary sewer line that is sagging underneath 1-540 3e. Describe the overall project in detail, including the type of equipment to be used: Oakland - Construction activity will consist of replacing approximately 60 LF of an existing 8" sanitary sewer main and aerial crossing. Capital - Construction activity will consist of replacing approximately 85 LF of an existing 8" sanitary sewer main and aerial crossing. Ileagnes - Construction activity will consist of replacing approximately 300 LF of an existing 10" sanitary sewer main and aerial crossing. At each of these three sites, erosion control devices will be installed, the limits of the work area will be cleared, the existing aerial and sanitary sewer will be removed, new concrete aerial supports will be installed, new sanitary sewer will be installed by open-cut, and the land surface will be stabilized. Conventional construction equipment (hydraulic excavators and/or bulldozers) will be used. Leafcrest - Construction activity will consist of replacing approximately 640 LF of an existing sanitary 18" sewer main. Erosion control devices will be installed, the limits of the work area will be cleared, a new "doghouse" manhole will be installed on the upstream side of the project, new sanitary sewer will be installed by open-cut on the downstream side of the "doghouse" manhole, a temporary coffer dam and "pump-around" will be installed in order to install a new, encased sanitary sewer stream crossing by open-cut. After completion of the work the land surface will be stabilized. Conventional construction equipment (hydraulic excavators and/or bulldozers) will be used. Sutton - Construction activity will consist of relocating approximately 760 LF of an existing 8" sanitary sewer main. Approximately 600 LF of the total 760 LF of the project will be installed via bore-and-jack method. Erosion control devices will be installed, the limits of the work area will be cleared, bore pits will be excavated, a portion of the new sanitary sewer will be installed by open-cut and a portion of the new sanitary sewer will be installed by bore-and-jack. After completion of the work the land surface will be stabilized. Conventional construction equipment (hydraulic excavators and/or bulldozers) and boring equipment will be used. Page 4 of 13 B. Project Information and Prior Project History 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project (including all prior phases) in the past? Comments: ? Yes ? No Unknown 4b. If the Corps made the jurisdictional determination, what type of determination was made? ? Preliminary ? Final 4c. If yes, who delineated the jurisdictional areas? Name (if known): Agency/Consultant Company: Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. 5. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? ? Yes ? No ® Unknown 5b. If yes, explain in detail according to "help file" instructions. 6. Future Project Plans 6a. Is this a phased project? ? Yes ® No 6b. If yes, explain. Page 5 of 13 C. Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ? Wetlands ® Streams - tributaries ® Buffers ? Open Waters ? Pond Construction 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. 2b. 2c. 2d. 2e. 2f. Wetland impact Type of jurisdiction number - Type of impact Type of wetland Foreste (Corps - 404, 10 Area of impact Permanent (P) or (if known) d 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 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 Perenni Type of jurisdiction Average Impact number - al (PER) (Corps - 404, 10 stream length Permanent (P) or or DWQ - non-404, width (linear Temporary (T) intermitt other) (feet) feet) ent (INT)? S1 ®P ? T Oakland: Perpendicular Big Branch (Basin 18, ® PER ® Corps 8 20 crossing w/ Sewer Stream 21) ? INT ® DWQ S2 ® P ? T Capital: Perpendicular Unamed tributary to ® PER ® Corps 12 20 crossing w/ Sewer Walnut Creek ?INT ®DWQ S3 ®P ? T Ileagnes: Perpendicular Unamed tributary to ? PER ® Corps 8 20 crossing w/ Sewer Walnut Creek ®INT ®DWQ S4 ®P ? T Leafcrest: Perpendicular Marsh Creek (Basin ® PER ® Corps 11 30 crossing w/ Sewer 18, Stream 17) ?INT ®DWQ S5 ? P ? T ? PER ? Corps ? INT ? DWQ 3h. Total stream and tributary impacts 90 3i. Comments: Page 6 of 13 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 individual) list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number (if applicable) Type of impact Waterbody type Area of impact (acres) - Permanent (P) or Temporary T 01 ?P?T 02 ?P?T 03 ?P?T 04 ?P?T 4f. Total open water impacts 4g. Comments: 5. Pond or Lake Construction If and or lake construction proposed, then complete the chart below. 5a. 5b. 5c. 5d. 5e. Wetland Impacts (acres) Stream Impacts (feet) Upland Pond ID Proposed use or purpose of (acres) number pond Floode Excavat d Filled ed 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 7 of 13 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 number - Reason for impact Buffer Zone 1 impact Zone 2 impact Permanent (P) Stream name mitigatio (square feet) (square feet) or Temporary n (T) required B1 ®P ? T Oakland: Perpendicular crossing Big Branch (Basin 18, ? Yes 963 0 w/ Sewer Stream 21) ® No B2 ® P ? T Capital: Perpendicular Unamed tributary to ? Yes 1 196 420 crossing w/ Sewer Lake Johnson ® No , B3 ®P ? T Ileagnes: Perpendicular crossing Unamed tributary to Walnut Creek ? Yes N 1,175 879 w/ Sewer o B4a ® P ? T Leafcrest: Perpendicular crossing (Basin Marsh Creek (Basin ? Yes 1 855 989 w/ Sewer 18, Stream ®No , Bob ® P ? T Leafcrest: Sanitary Marsh Creek (Basin ® Yes 743 6 065 Sewer Line Installation 18, Stream 17) ? No , B5 ® PC] T Sutton: Sanitary Sewer Line Installation Honeycutt Creek 0 Nos 291 404 6h. Total buffer impacts 6,223 8,757 6i. Comments: Page 8 of 13 D. Impact Justification and Mitigation 1. Avoidance and Minimization 1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. The replacement has been designed to disturb the minimal amount of area required to install the line. The area will be returned to existing grade once the sanitary sewer is installed. The disturbed buffers will be re-vegetated with a buffer seed mix based on recommendations in the Ecosystem Enhancement Guidelines for Riparian Buffer Restoration. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Contractor will minimize impacts to area by confining work area to limits of sanitary sewer easement and using erosion control devices. 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) 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): 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 9 of 13 PCN Form - Version 1.3 December 10, 2008 Version 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ 6a. Will the project result in an impact within a protected riparian buffer that requires ® Yes ? 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 Sanitary Sewer line Installation 1,034 3 (2 for Catawba) 3,102 Zone 2 Sanitary Sewer line 0 1 5 0 Installation . 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). Relocation of the Leafcrest sanitary sewer will eliminate approximately 9,906 square feet of Zone 1 buffer impact. The City proposes the relocation as permanent in-kind mitigation for the proposed Zone 1 impacts at the Leafcrest and Sutton sites. 6h. Comments: Page 10 of 13 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: Work is installation of underground sanitary sewer line. Area will be ? Yes ® No returned to original grade. There is no change in flow patterns. 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 is for installation of an underground sanitary sewer line. There is no change in impervious area therefore a stormwater management plan is not required. 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, na rrative 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 ? Phase II 3b. Which of the following locally-implemented stormwater management programs ? NSW ? USMP apply (check all that apply): ? Water Supply Watershed ® Other: Not Required 3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No attached? 4. DWQ Stormwater Program Review ? Coastal counties ? HQW 4a. Which of the following state-implemented stormwater management programs apply ? ORW (check all that apply): ? Session Law 2006-246 ? Other: 4b. Has the approved Stormwater Management Plan with proof of approval been attached? ? Yes ? No 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No 5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No Page 11 of 13 PCN Form - Version 1.3 December 10, 2008 Version F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1a. Does the project involve an expenditure of public (federal/state/local) funds or the ® 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. 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 12 of 13 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? 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ? No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation ? 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? 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: Project is installation of sanitary sewer lines therefore no impacts to FEMA requirements. 8c. What source(s) did you use to make the floodplain determination? 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