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Home My WebLink About20181598 Ver 6_Approval Letter_20211011 litiox ... A ,/ .i, ROY COOPER '•. Governor * y ' ELIZABETH S. BISER NORTH CAROLINA Secretary Err1,frorif trtfed Quality S. DANIEL SMITH Director North Carolina Division of Water Resources Transportation Permitting Unit In-Field Minor 401 Water Quality Certification, Buffer Certification and Isolated Water Permit Modification Project Name/TIP Project No: Havelock By-pass/R-1015 Date: 10/11/21 DOT Division: 2 County: Craven DWR Project No./Permit Type: 20181598 v.6 DOT Staff: Brad McMannen DWR Staff: Garcy Ward ACE Staff: DWR Regional Office: Washington Modification Description: NCDOT proposes to construct a temporary diversion channel to aid in the installation of a culvert(2@10'x8' RCBC)at Site 39. This will result in 0.068 ac of excavation in wetlands that are currently authorized for fill. This will not result in a net increase in permanent impacts. Also,there will be 0.005 ac of excavation needed for wing wall installation at Site 39 and 0.012 ac of excavation for wing wall installation at Site 41. These are also in areas permitted as fill and will not result in additional permanent impacts. Modification Sketch: See attached drawings -15_ E Mi North Carolina Department of Environmental Quality I Division of Water Resources ` M w..4Ir �' 512 North Salisbury Street 11617 Mail Service Center I Raleigh,North Carolina 27699-1617 919.707.9000 In-Field Modification Page 2 of 3 This in-field modification is required for the following reason(s): The information contained in the application or presented in support thereof is incorrect in the following manner: 'x Conditions under which the original certification was issued have changed in the following manner: there will be excavation in areas currently permitted for fill at Sites 39 and 41. This in-field modification is valid only if issued by an authorized agent of the Division of Water Resources, Transportation Permitting Unit 1 This in-field modification authorizes the NCDOT to _to conduct excavation in areas originally permitted for fill as necessary for culvert installation at Sites 39 and 41. in Craven County. The project shall be constructed as described in the Modification Description and Sketch on Page 1 of this document dated 10/11/21 to improve/construct the culverts at Site 39 and 41. The approved design is that described in the Modification Description and Modification Sketch on Page 1 of this document dated 10/11/21. Any further changes to the original Water Quality Certification dated April 3, 2019_may require a formal written modification request. The description of the proposed action provides adequate assurance that the proposed action in the Neuse River Basin in conjunction with the proposed development will not result in a violation of applicable Water Quality Standards and discharge guidelines. Therefore, the State of North Carolina certifies that this activity will not violate the applicable portions of Section 301, 302, 303, 306, 307 of PL 92-500 and PL 95-217 if conducted in accordance with the application and conditions hereinafter set forth. Should your project change, you are required to notify the DWR and submit a new application. If the property is sold, the new owner must be given a copy of this Certification and approval letter, and is thereby responsible for complying with all conditions. For this approval to remain valid, you are required to comply with all the conditions listed below. In addition, you should obtain all other federal, state, or local permits before proceeding with your project including (but not limited to) Sediment and Erosion control, Coastal Stormwater, Non-discharge and Water Supply watershed regulations. This Modification Approval shall expire on the same day as the expiration date of the corresponding Corps of Engineers Permit. Conditions(s) of Modification Approval: 1. All the authorized action activities and conditions of the certification associated with the original Water Quality Certification dated April 3, 2019 and all other corresponding modification still apply except where superseded by this certification. 2. Additional Conditions: Failure to construct the proposed action as described in the Modification Description and Sketch on North Carolina Department of Environmental Quality I Division of Water Resources . .DE ---- .). 512 North Salisbury Street 11617 Mail Service Center I Raleigh,North Carolina 27699-1617 919.707.9000 In-Field Modification Page 3 of 3 Page 1 of this document and/or violations of any condition herein set forth may result in revocation of this modification approval and may result in criminal and/or civil penalties. This modification approval shall become null and void unless the above conditions are made conditions of the Federal 404 and/or Coastal Area Management Act Permit. If the Corps of Engineers requires a formal written modification to the 404 permit for the proposed action, the NC DWR must require a formal written modification to the 401 WQC, and therefore, this in-field modification is invalid. If additional (wetland, stream, buffer) impacts for this project (now or in the future)exceed (one acre, 300 linear feet, or one-third of an acre/150 linear feet, respectively), or if mitigation is required above and beyond the current mitigation requirement for this project, this in-field modification is invalid and a formal written modification is required. This in-field modification is effective upon the date the last party signs this document. This in-field modification is made upon mutual agreement between DOT and DWR as indicated by the signatures below and is, therefore, not subject to appeal by either party. Appeals by third parties must be made within sixty (60)days of notification pursuant to the contested case provisions of the Administrative Procedure Act, NC Gen. Stat. §150B-23 et seq. DWR Staff Signature: /a-4-7-Date: 10/11/21 DOT Staff Signature: / 0"7R,ltv�_ Date: /0////21 USACE Staff Signature: Date: 1 —An authorized agent of the Transportation Permitting Unit is defined as DWR staff that are DOT-funded and review and issue 401 Water Quality Certification for DOT projects. These staff include Central Office and Regional Office personnel. North Carolina Department of Environmental Quality I Division of Water Resources • �, 512 North Salisbury Street 11617 Mail Service Center I Raleigh,North Carolina 27699-1617 919.707.9000 MMOUNTAIN CREEK CONTRACTORS, INC. SHEET 1 OF 2 MCC420 REVISED _ CULVERT coNsTucTioN SEQUENCE 509 + 41 _ L. STA. R. 1015 CRAVEN COUNTY Phase I Phase II r I IMPERVIOUS DIKE 1 TOE �h /'J " TOE 1.0 r,3 I e 0 1 e ,,,,.. '0,lt,4 , 1 e, -`°' il4w ' , 0.11 1,3 I e 10116_, 4_ / / 1,3 I e -J'k ° 0-a...A_ , t e 0 .‘ ‘ se-,)) t e , , ,-, , 4s •‘ r,3 I e c). c). 7,3 II PA r,3 1 e ,, fsz- A fi r,3 H e ..,,,,,,_„.„-\ r e g.,-\,> _ ,- 1/ e IMPERVIOUS DIKE 4 ' ' \ % /3 i e v 3 1 e ;� N_. � e e , F ;� N 11 e II eF r,3 ,-7 , ,, w-„„___, y3 7 N ii i (1 Vfli .,-, ,\ r III \ ff) II 60" TEMPORARY �I 60"TEMPORARY 1 /PIPE CROSSING I I- e `, `, PIPE CROSSING i e 1 , 3 8, II e 0 - ,, ii Ed \ e•V I) e r' II -)---LY r/ , ,/ rqz) p is, e 1) 0 r/ - I (1 i) II - - %, ri I. ! r/ I) i ) - kWPERVIOUS DIKES � ► �1 ;-% / f� IMPERVIOUS 1I4 _ _- 2a & 2b / A „ �� - - DIKE 2a 50 100 150 r A 011:10101 I , 1 A OA D , 0 IL0 0 50 100 150 _ A 4 , -- --► z --- ' - ittik SCALE —, ITIN SCALE 9 , ilik — i loii0 ,bc -A lig my 1 ,fik, r,3 _dmi __ -__ - _iiv _e 1 ,,3- - Frot ,b,, . _ Ilk 44 --c, _ , _ In r :, e ,,,-_,,i . , • 00 ' 44 - - - -I, r„--- - i i c,T, e , II 2/ , - M0,00 04 r>" 0 , ,0000 1_,,_11..,- , ° . 444# e 0 0co c,,_, 0 ‘p i . ►8 3 ♦ '04 s ,N. 0��3 t _aid% : b0Tx8TRCBC \,,-. . A444- - - c)t , 1:(4.,, .„ 4,co,.,_ ____ _ o31I,/3)r),3__,.3r..,.,I,.II)II:II,o -I 4p.1i c?1,),3 0,--,,03r C),er"_e3 eoliel' e gfra.-:N..vmii—i 0 a7 � 4iill 1 IMPERVIOUS DIKE 3 / , e / =1' / ice . ,,, ,_ rt- ®- �� . - . - ;LI, 1:4.,, .„ / vQ \ \ j'j dz_ IMPERVIOUS DIKE 5 *p I GQ i e "� \S 3 MECHANIZED - - - - - II MECHANIZED - - - - - - . <K / I CLEARING _ _ _ _ _ _ II CLEARING _ II F CULVERT CONSTRUCTION SEQUENCE CULVERT CONSTRUCTION SEQUENCE 1. INSTALL STILLING BASIN WITH A MINIMUM CAPACITY OF 530 CY. 6. REMOVE IMPERVIOUS DIKES 1, 2B & 3 CONSTRUCTED IN PHASE I AND DIVERT FLOW INTO CULVERT DIVERSION CHANNELS BY 2. INSTALL IMPERVIOUS DIKES 1, 2a, 2b & 3 AS SHOWN. CONSTRUCTING THE IMPERVIOUS DIKES 4 & 5. 3. INSTALL SPECIAL STILLING BASIN & BYPASS PUMPING OPERATION AT DIKES 2a & 2b. 7. DRY OUT WORK AREA NEEDED TO CONSTRUCT THE CULVERT, PUMPING EFFLUENT INTO STILLING BASIN. 4. DRY OUT WORK AREA NEEDED TO CONSTRUCT THE CULVERT DIVERSION CHANNELS, CULVERT DIVERSION CHANNEL 8. CONSTRUCT THE BOX CULVERT. PUMPING EFFLUENT INTO STILLING BASIN. STANDARD BASE DITCH 9. CONSTRUCT THE ARMORING TO THE GREATEST EXTENT PRACTICABLE. 5. CONSTRUCT CULVERT DIVERSION CHANNELS , INCLUDING THE TEMPORARY 60" PIPE (Not to Scale) CROSSING. Natural 3• I Natural \1, REV. 8/12/2021 Ground 0 3'•1 Ground Min. D = 2 Ft. B = 5 Ft. f *- IN THE EVENT THAT THE WING TIPS ENCROACH INTO THE MECHANIZED CLEARING AREA, SHEETING WILL BE DRIVEN 3' FROM WING B TIPS. THE SHEETING WILL BE DRIVEN IN A MANNER THAT EXITS THE MECHANIZED CLEARING AS SOON AS POSSIBLE.