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HomeMy WebLinkAbout20110968 Ver 1_401 Application_201110116 8 MULKEY ENGINEERS Cx CONSULTA N79 0 ?k151?a V PO Box 331 27 V RALEIGH, NC 27636 PHONE: 919-851-1912 OCT 2 8 2011 FAx: c-319-B51-1918 DENR - WATER QUkM WETIMISAIUSIONWERIM40 LETTER OF TRANSMITTAL To: NC DWQ, 401/Wetlands Unit Date: October 27, 2011 Archdale Building 512 North Salisbury Street Raleigh, North Carolina 27604 ** HAND DELIVER ** Re: City of Goldsboro Job No.: 10.01 Task F Little Cherry Pump Station + Outfall Upgrades I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 5 Completed Pre-Construction Notification Form 5 11 x 17 Impact Map Drawings 1 $240.00 Permit These are transmitted as checked below: ? As requested ? For your use ® For approval ? For Signatures ® For review and comment ? Remarks: Please let me know if there are any questions or comments. You can contact me at (919) 858-1888 or mallen(a-mulkeyinc.com. Thank you for your time and assistance. Copy to: File Signed: ichael D. Allen, P.E. roject Manager o?0F wAr§? O '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 1 a. Type(s) of approval sought from the Corps: ®Section 404 Permit El Section 10 Permit 1b. Specify Nationwide Permit (NW P) number: NW 12 or General Permit (GP) number: GC3819 1c. 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 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: Little Cherry Pump Station and Outfall Upgrades 2b. County: Wayne 2c. Nearest municipality / town: Goldsboro 2d. Subdivision name: N/A 2e. NCDOT only, T.I.P. or state project no: U LS \?q L15 U \.I L=3 N/A 3. Owner Information OCT 2 S 2011 3a. Name(s) on Recorded Deed: State of North Carolina DENR,WATERIIUALM 3b. Deed Book and Page No. 0MCH Deed Book 516, Page 517 SMRMWATER 3c. Responsible Party (for LLC if applicable): City of Goldsboro 3d. Street address: 200 North Center Street 3e. City, state, zip: Goldsboro, North Carolina 27530 3f. Telephone no.: (919) 580-4330 3g. Fax no.: (919) 580-4344 3h. Email address: sstevens@ci.goldsboro.nc.us Page 1 of 11 PCN Form - Version 1.3 December 10, 2008 Version 4. Applicant Information (if different from owner) 4a. Applicant is: ? Agent ® Other, specify: Owner and Operator of Sanitary Sewer System 4b. Name: City of Goldsboro 4c. Business name (if applicable): 4d. Street address: 200 North Center Street 4e. City, state, zip: Goldsboro, North Carolina 27530 4f. Telephone no.: (919) 580-4330 4g. Fax no.: (919) 580-4344 4h. Email address: sstevens@ci.goldsboro.nc.us 5. Agent/Consultant Information (if applicable) 5a. Name: Michael D. Allen, PE 5b. Business name (if applicable): Mulkey Engineers & Consultants, Inc. 5c. Street address: 6750 Tryon Road 5d. City, state, zip: Cary, North Carolina 27518 5e. Telephone no.: (919) 858-1888 5f. Fax no.: (919) 851-1918 5g. Email address: mallen@mulkeyinc.com Page 2 of 11 PCN Form - Version 1.3 December 10, 2008 Version B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): 268070881 Latitude: 35.39091 Longitude: - 78.02596 1b. Site coordinates (in decimal degrees): (DD.DDDDDD) (-DD.DDDDDD) 1c. Property size: 1,230 acres 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to Little River 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: A portion of the site is the home of the existing Cherry Hospital (NC mental hospital) serving eastern NC. The majority of the site is undeveloped. The proposed impacts occurs adjacent to an existing sanitary sewer easement maintained by the City of Goldsboro. 3b. List the total estimated acreage of all existing wetlands on the property: Unknown (the entire 1,230 acre tract has not been delineated) 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: Unknown (the entire 1,230 acre tract has not been delineated) 3d. Explain the purpose of the proposed project: The project consists of a proposed 12-inch aerial santiary sewer crossing which will replace an existing 8-inch aerial sanitary sewer crossing. The proposed aerial crossing will be located in a 30-inch steel carrier pipe for additional protection (the existing sewer crossing is not located in a carrier pipe). 3e. Describe the overall project in detail, including the type of equipment to be used: The proposed 12-inch aerial santiary sewer crossing will replace an existing 8-inch aerial sanitary sewer crossing. The proposed aerial crossing will be encased in a steel carrier pipe (the existing sewer crossing is not protected). There are two proposed piers to support the aerial crossing and will replace the existing five (5) piers currently located in the stream. One of the proposed piers will be located on solid ground within the Neuse Buffer. The second proposed pier will be located in the stream but away from the main channel. Traditional construction equipment will be utilized including excavators, drill rigs, and bulldozers. The pier to be located in the stream channel will be installed utilizing a micropile foundation which will allow the use of a much smaller piece of construction equipment. 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: Proposed impacts are adjacent to existing sewer. 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: N/A Name (if known): N/A Other: N/A 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. N/A Page 3 of 11 PCN Form - Version 1.3 December 10, 2008 Version 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. The original aerial sanitary sewer crossing is at least 20 years old. 6. Future Project Plans 6a. Is this a phased project? ? Yes ® No 6b. If yes, explain. N/A Page 4 of 11 PCN Form - Version 1.3 December 10, 2008 Version 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 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 J W1 ? P ? T ? Yes ? No ? Corps ? DWQ W2 ? P ? T ? Yes ? No ? Corps ? DWQ W3 ? P ? T ? Yes ? No ? Corps ? 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 Utility Crossing Little River ® PER ? INT ® Corps ? DWQ 70 4.5 S2 ? P ®T Utility Crossing Little River ® PER ? INT ® Corps ? DWQ 70 35 S3 ? P ? T ? PER ? Corps ? INT ? DWQ S4 ? P ? T ? PER ? Corps ? INT ? DWQ S5 ? P ? T ? PER ? Corps ? INT ? DWQ S6 ? P ? T ? PER ? Corps ? INT ? DWQ 3h. Total stream and tributary impacts 35 3i. Comments: The proposed support pier to be constructed in the river will 1'-6" by 4'-6" (6.9 SF). The five existing piers to be removed are approximately 1'-6" by 2'-0" (15 SF), therefore a reduction in permanent impacts is expected. Rip rap will be installed along the stream banks to account for the remaining permanent stream impacts. In order to construct the proposed pier, a temporary 35' by 35' (1,225 SF) platform will be constructed in the river to support the construction equipment. Once the pier has been constructed, this temporary platform will be removed. Page 5 of 11 PCN Form - Version 1.3 December 10, 2008 Version 4. Open Water Impacts If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number - (if applicable) Type of impact Waterbody type Area of impact (acres) Permanent (P) or Temporary T 01 ?P?T 02 ?P?T 03 ?P?T 04 ?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 (acres) number of pond 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: 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below. If any impacts require mitigation, then you MUST fill out Section D of this form. 6a. ® Neuse ? Tar-Pamlico ? Other: Project is in which protected basin? ? Catawba ? Randleman 6b. 6c. 6d. 6e. 6f. 6g. Buffer impact number - Reason Buffer Zone 1 impact Zone 2 impact Permanent (P) or for Stream name mitigation (square feet) (square feet) Temporary (T) required? B1 ®P ? T Utility Crossing Little River ? Yes ® No 0 0 B2 ? P ®T Utility Crossing Little River ? Yes ® No 1,492 500 B3 ?P?T ?Yes ? No 6h. Total buffer impacts 1,492 500 6i. Comments: Page 6 of 11 PCN Form - Version 1.3 December 10, 2008 Version D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. During the design phase, we attempted to design a support system which could span the entire river. This would require a carrier pipe approximately 90 LF without supports. In order to span this distance, a stainless steel carrier pipe approximately 2 inches thick would be required which would be extremely cost prohibitive. In addition, a ful size crane would be needed to install the pipe and access for this equipment would have created enen more impacts. The foundations required for the piers are to be installed utilzing micropiles in lieu of driven H piles. The micropiles utilize a smaller drill rig than the traditional H pile rig. The mircopiles are more costly to construct but access to the site is easier and reduces the impacts to the stream and buffers. Because the proposed aerial crossing connects to an existing pump station located approximately 200 feet away, there was no opportunity to design the pipe to go below the stream. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. The micropile rig is a much smaller piece of construction equipment as compared to the traditional deep foundation pile rig. In order to access the site with a traditional deep foundation pile rig, additional impacts would have been required along with a larger work platform in the river. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for ? Yes ® No impacts to Waters of the U.S. or Waters of the State? 2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps ? Mitigation bank 2c. If yes, which mitigation option will be used for this El Payment to in-lieu fee program project? ? Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: N/A 3b. Credits Purchased (attach receipt and letter) Type Quantity 3c. Comments: N/A 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: N/A 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. N/A Page 7 of 11 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 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). N/A 6h. Comments: N/A Page 8 of 11 PCN Form - Version 1.3 December 10, 2008 Version E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 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: Aerial santiary sewer pipe. No stormwater is collected by the project. ? Yes No 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? Less than 5 % 2b. Does this project require a Stormwater Management Plan? ? Yes ® No 2c. If this project DOES NOT require a Stormwater Management Plan explain why: Replacement of an existing aerial , crossing. There is no net increase in imperivous surface. 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: N/A ® 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 Goldsboro ® Phase II 3b. Which of the following locally-implemented stormwater management programs ? NSW apply (check all that apply): ? USMP ? 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 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 9 of 11 PCN Form - Version 1.3 December 10, 2008 Version 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)? 1c. If you answered "yes" to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.) ? Yes ? No Comments: N/A 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 213 .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): N/A 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. N/A 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. The proposed aerial sanitary sewer crossing will replace an existing aerial sanitary sewer crossing which will continue to transport collected wastewater to the City of Goldsboro's Water Reclamation Facility Page 10 of 11 PCN Form - Version 1.3 December 10, 2008 Version 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or ? 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. El Raleigh ? Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? N/A 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? The proposed site location is not within the 20 coastal counties. 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? A GIS search and examination of state databases did not indicate the presence of any archaeological resources in the vicinity of the aerial crossing 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: The proposed aerial stream crossing is replacing an existing aerial crossing. There is only one proposed pier to be located in the stream and with the removal of five piers there should be a net decrease in the floodplain. 8c. What source(s) did you use to make the floodplain determination? FIRM Map No. 3720268000J dated 12/02/05 Scott A. Stevens /0 _ZS_ It Applicant/Agent's Printed Name Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) 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