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Home My WebLink About20140090 Ver 5_U-2579B permit modification request_20181217 Carpenter,Kristi From:Wanucha, Dave Sent:Monday, December 17, 2018 2:46 PM To:Carpenter,Kristi Subject:FW: U-2579B permit modification request Attachments:U-2579B permit modification request Smith Creek.pdf Dave Wanucha Division of Water Resources Transportation Permitting Branch NC Department of Environmental Quality 336-776-9703 office 336-403-5655 mobile Dave.Wanucha@ncdenr.gov NC DEQ Winston Salem Regional Office 450 West Hanes Mill Road, Suite 300 Winston Salem, NC 27105 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Euliss, Amy Sent: Tuesday, November 20, 2018 2:39 PM To: Lastinger, James C CIV USARMY CESAW (US) (James.C.Lastinger@usace.army.mil) <James.C.Lastinger@usace.army.mil>; Wanucha, Dave <dave.wanucha@ncdenr.gov> Cc: Dagnino, Carla S <cdagnino@ncdot.gov>; Suggs, Phillip H <psuggs@ncdot.gov>; Kiser, Marcus K <mkkiser@ncdot.gov>; Nifong, Johnny R <jnifong@ncdot.gov>; Wyrick, Scott D <sdwyrick@ncdot.gov>; Chapman, Amy <amy.chapman@ncdenr.gov>; Harmon, Beth <beth.harmon@ncdenr.gov> Subject: U-2579B permit modification request Please find attached a permit modification request for U-2579B. This request includes the culvert impacts as discussed during a site review with both of you on March 23, 2018. Please let me know if you have any questions or need additional information. Amy Euliss Division 9 Environmental Officer North Carolina Department of Transportation 336 747 7802 office aeuliss@ncdot.gov 375 Silas Creek Parkway Winston Salem, NC 27127-7167 Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties. 1 . �,� SimT£tt• ^'d ,M, ,n°'�{.�o 9�"�., ^� _ : � . Zi �' � Z O � � �9 ' '�,5, � � C;' '��, +�,��,,� �� •�a� M,,,�' v �,.. .. STATE OF NORTH CAROLINA DEPARTN�NT OF TRANSPORTATION ROY COOPER GOVERNOR November 20, 2018 U. S. Army Corps of Engineers Raleigh Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 Wake Forest, NC 27587 ATTN: Mr. James Lastinger NCDOT Division 9 Project Coordinator SUBJECT: Request for Modification of Section 404 Individual Permit and Section 401 Water Quality Certi�cation for the proposed Winston-Salem Northern Beltway Eastern Section from US 158 to I-40 Bus/US 421, Forsyth County, Division 9. WBS Element No. 34839.1.2, TIP Project No. U-2579B. Reference: Section 404 Individual Permit — Action ID No. SAW-2008-03183, issued June 17, 2014 and modiiication issued July 2, 2014. Section 401 Water Quality Certification — NCDWR Project No. 2014090 issued April 11, 2014 and modification issued July 28, 2104. Dear Sir: The North Carolina Department of Transportation (NCDOT) requests modification to the existing Individual permit and associated Water Quality Certification for the Winston Salem Northern Beltway Eastern Section from US 158 to I-40 Business/L7S 421 in Forsyth County. This project is currently under construction. JAMES H. TROGDON, III SECRETARY At sites 23 and 28, Smith Creek runs between existing westbound I-40 Business (US 421) and the adjacent ponds for the Windmill Fish Hatchery in a tightly restricted channel. We propose to extend the existing culvert at site 23 and place Smith Creek inside a 3 barrel box culvert at site 38. See Table 1 for previously permitted and revised impacts at pernut sites 23 and 28. Mailing Address.• NC DEPARTMENT OF TRANSPORTATION DIVISION 9 375 SILAS CREEK PARKWAY WINSTON SALEM, NC 27127 Telephone.• (336) 896-2330 Fax: (336) 703-6693 Customer Service.• 1-877-368-4968 Location: 375 SILAS CREEK PARKWAY WINSTON SALEM, NC 27127 Website: www.ncdot.gov Table 1: Ori inal and ro osed im act summar for sites 23 and 28 on U-2579B. Permit Impact Reason for January June 2014 Current Additional Site Type Impact 2014 Permit Modification Modification Mitigation A lication A lication A lication Re uired+ 23 Temporary Dewatering 21 89 121 0 for bank stabilization 23 Permanent Bank 54 54 36 0 Stabilization 23 Temporary Dewatering 32 32 0 0 for culvert extension 23 Permanent Culvert 100 100 151 51 Extension 28 Temporary Dewatering 0 188 0 0 for bank stabilization 28 Permanent Bank 25 365 194 0 Stabilization 28 Temporary Dewatering 0 188 0 0 for bank stabilization 28 Temporary Dewatering 0 0 127 0 for culvert 28 Permanent Culvert 0 0 598 598 Total new miti ation re uired 649 +Mitigation will at a 2:1 ratio will be provided by Division of Mitigation Services. See attached mitigation acceptance letter dated November 20, 2108. Previous pernutted impacts At permit site 23 in the original pernut application dated January 21, 2014 (issued June 17, 2014- USACE and April 11, 2014-DWR), a culvert extension was proposed to impact 100' of Smith Creek with an additional 32' of temporary impacts to dewater, and streambank stabilization was proposed to impact 54' of Smith Creek and an additional 89' of temporary impacts to dewater. Additionally, at site 28 in the pernut modification request dated June 10, 2014 (issued July 2, 3014-USACE and June 17, 2014-DWR), the bank stabilization was revised from 25' to 365' of bank stabilization and an additional 188'of temporary impacts to dewater. Proposed changes in impacts Since Smith Creek was surveyed in 2008, the stream alignment has shifted closer to the road or the adjacent ponds in multiple location. In some areas adjacent to I-40 Business (US 421), Smith Creek has migrated to the toe of the existing fill for the roadway, and in other areas it has migated into the toe of fill for the fish ponds. Due to the stream migration and instability, long term stability of the road fill and fish ponds are at risk. The permitted plans involved the construction of rock plating with retaining walls. However, when the fill slopes are extended for the guardrail installation and the onramp to the Winston Salem Beltway from I-40 Business/ US 421, the planned toe for the rock plating and walls are now in the active stream channel in some locations. If we installed the walls per plan, Smith Creek would be pushed in closer proximity to the ponds, and would threaten the stability of the ponds. Therefore, NCDOT plans to extend the existing triple barrel culvert under I-40 Business/ US 421 and install a triple barrel culvert in Smith Creek between the road and the ponds. Additionally, the upstream end of the existing culvert will be lengthened by approximately 12' to accommodate traffic shifts during construction which will also result in a better alignment with the existing stream. These impacts were considered as part of the permanent impacts from the culvert extension in the ariginal permit application, so the impact type won't change. At permit site 28, the low flow barrel will not be buried 1' below the stream bed. The bed of Smith Creek has a predominately bedrock bottom making culver burial infeasible. There will be a spill over channel constructed on top of the exposed portion of the culvert, and it will be lined with Armorflex in the event of overtopping. The outlet of the low flow barrel will have a rip rap pad of Class II to prevent scour in the event of overflow. The 2 high flow barrels will have 1' concrete sills at the inlet and outlet. Floodplain benches will be constructed with Class II rip rap at the inlet and outlet. The high flow barrels will be backfilled with native material and/or Class I rip rap. NEPA Documentation and History A Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) for U2579 (including sections B-F) and U2579A (including sections AA and AB) were completed in January 2007 and February 2008. A Right of Way Consultation for U2579B to update the FEIS was completed on May 17, 2012. The FEIS and ROD assumed permanent impacts to Smith Creek in for the entire length paralleling Business 40/iJS 421 as a result of the interchange of the Northern Beltway at Business 40/LJS 421, so the proposed impacts so the original NEPA decision still applies. On July 13, 2005, which is prior to the NEPA decision document, NCDOT held a meeting with the agencies to discuss changes to the interchange that would result in impacting and relocating the above referenced section of Smith Creek. As a result of this plan, the adjacent ponds were to be drained and Smith Creek was to be relocated to the current location of the ponds. Meeting minutes are attached. The relocation of Smith Creek and the draining of the ponds were depicted on the Public Hearing Maps (https://www.ncdot.gov/projects/wsnb/Documents/eastern-section- S.nd fl. During the 4B review held January 23, 2008, retaining walls were discussed along Smith Creek to avoid permanently filling Smith Creek and the ponds. At that time, the decision was made to move forward with the plan for the retaining walls. Meeting minutes are attached. Coordination with future project U-5760 U-5760 (Big Mill Farm Interchange) is planned just east of the intersection of Business 40/iJS421. It is currently scheduled in the 2018-2027 STIP to let April 2022. The U-5760 project will require an acceleration lane on Business 40/ US 421 between the Big Mill Farm Interchange and the Winston Salem Northern Beltway. Through coordination between the two projects, NCDOT sees it pertinent to install the pavement and drainage system to accommodate the future acceleration lane between the two interchanges. In doing so now, it will reduce the cost of removing and reconstructing the drainage system planned for the U-2579B project. Additionally it will minimize the time of active construction in the highway between the two projects, thus minimizing safety concerns for the travelling public and construction staff. Since the culvert is needed for the onramp and guardrails and is fully within the fully within the footprint of the U-2579B project, NCDOT believes the impacts are justified under the Section 404 and 401 permit actions for that project. Please see the enclosed revised permit drawings and Mitigation Acceptance Letter from the Division of Mitigation Services dated November 20, 2018. Thank you for your assistance with this project. If you have any questions or need additional information, please contact me at either aeuliss@ncdot.gov or (336) 747-7800. Sincerely, Digitalty slgneE byAmy Euliss Amy EulissoN��=AmYE��,,,o,o�_��oor o��,�0�9, mail=aeulizs@nctlotgov,<=U5 Date:l018.11.]0143i:54-05'00' Amy Euliss NCDOT Division 9 Environmental Officer Attachments: Merger meeting minutes 7.13.05, January 23, 2018 4B meeting minutes, revised permit drawings sheets 25 and 26, revised impact summary sheets cc: Marcus Kiser, PE, Resident Engineer Phil Suggs, Roadside Environmental Beth Harmon, Division of Mitigation Services Amy Chapman, NCDENR-DWR Dave Wanucha, NCDENR-DWR Carla Dagnino, NCDOT EAU ..� 1 \, MIsETING SUMNfARY Attendees: MERGER T�AM MEN:TING -- TTP Projecls R-2247 and U-2579 July 13, 2005 1:00 YNI — 3:00 PM � r-'i" Project R-2247 (Western Section of the Northcrn Bcltwav]_ Continuc discussion on Concurrence Points 2a/4a for the project, except for thc EB portioa Project R-2247 Ell (US 52 interchange) was not discussed because it is being redesigned to provide for I-74 as the through movement. �S Project U-2579 (Eastein Section of the Northern Beltway� -- Discuss a chan�e in the US 421 intcrcliange design that would require moving a stream that NCDOT p��eviously committed to not impact. SUBJECT OF MEETING Minutes from July 13, 2005 Merger Meetrng T7P R-1241 and U-2579 ATTACHMENTS • The following tables that were included in the June 9'� Merger meeting packet have been updated based on discussions during the July 13th meeting: o Table I: Hydraulic Table — Project R-2247 Prefeaed Alternative o Table 2: Sheams Within the Project R-2247 PreFerred Altemative Right of Way o Table 3: Wetland Impacts — Project R-2247 Preferred Alternative *Please note that the impacts presented in Tables 1, 2, and 3 are based on NCDOT's impact calculations performed by Andrew Nottingham during his review of hydraulic structures for the projects. The NCDOT impact calculations are based upon stream information provrded by the NCDOT Location and Survey Unit. Some of these impacts vary slightly fram the impacts provided in the SFEIS/SDEIS. Impact calculations in the SFEIS/SD�7S are based upon a GIS stream layer provided by Forsyth Counry and supplemented by field reviews. PROJECT R-2247 — CONCURRENCE POINTS 2A/4A The team continued the June 9`" merger meeting discussion of stream crossings and drainage structures. The discussion was led by Mr. Nottingham and picked up where the June 9i6 discussion lefl off at Structure 10 in the area of Stream U7Wetiand 12 and continued to the area west of the US 52 interchange (Project R-2247 EB). Project R-2247 EB was not discussed because this interchange currently is being redesigned. The merger team will meet again to discuss Project R-2247EB once the design concept is complete. SYructure #10 — Stream U- Unnamed tributary to Tomahawk Creek on nonh side of Robinhaod Road interchange NCDOT proposes two 6x7 box culverts at this location. • The team agreed to the culvert at Stream U Struchere #]l — Stream U— Unnamed tributary to Tomahawk Creek nonh of Robinhood Road, and Wetlands 11 and 12. Structure #11 is proposed to be two 6x5 box culverts at Stream U. Stream W is proposed as a minor piped crossing. At the June 9`h meeting, the EPA asked if the Beltway alignment could be shifted east to avoid as much of Wetland 12 (medium quality wetland) as possible and to i�crease the distance from Stream V(Tomahawk Creek}. NCDOT evaluated shifting the Beltway alignment to the east to avoid/minimize nnpacts to Wetland 12, and found that shifting the alignment would cause the Bettway to go outside of the corridor. • The team agreed to the culvert at Stream U. NCDOT committed to roinimize impacts to Wetland 12 as much as possible using 2:1 slopes while staying within the corr[dor. Stream V and Stream X— Unnamed tributaries to Tomahawk Creek A minor structure is proposed at Siream V and avoids parallel impacts, A minor shucture is proposed on an access road crossed by Stream X. • Minor structures — no team decision required. Stream Yand Wetland 13 — Interntittent stream and medium quality wetland A minor structure is proposed at Stream Y near Wetland 13. Date Prepared: July !4, 1005 2 Minutes from July 13, 2005 Merger Meeting T!P R-2Z47 and U-2579 • Minor structure — no team decision required for Concurrence Point 2a. For Concurrence Pofnt 4a, the team agreed to leave the alignment as shown in the vicinity of Stream Y and Wetland 13. Stream Z— Unnamed tributary to Bill Branch, Stream YY—Intermittent stream, Wetland 14 and Wetland I S Minor structures are proposed at Stream Z and Stream YY. WeHand 14 is near Stream YI', but is outside the slope stakes. Wetland 15 would be completely taken by the Beltway (0.12 acres). The WRC asked if this wetland could be avoided because of its high quality rating. NCDOT stated that avoidance was not possible because of the (ocation of Skylark Road and the access road that ties into it. The EPA asked what the slope of the construction limits were in the vicinity of Wetland 15. The NCDOT stated the slope was 2:1. • Minor structures — no team decision required. Stream AA— Unnamed tributary to Bashavta Creek, Wetland 16, Stream CC— Unnamed tributary to Bashavia Creek, and Stream DD — Unnamed tributary to Bashavia Creek Minor structures are proposed at Stream AA, Stream CC, and Sheam DD. The USFWS asked if impacts could be minimized to Sfream AA because the crossing is near the confluence with Sheam BB (Bashavia Creek) and Wetland 16 (a high quality wetland), and this stream would carry stormwater mnoff from the Belrivay. The EPA asked if a retaining wall could be used or slope stakes could be moved to avoid the 0.02 acre of impacts to Wetland 16. The WRC would like to see as much minimization as possible. Mr. Nottingham noted that the proposed structure at Stream AA is a pipe and the energy would be dissipated from it. • The NCbOT agreed to discuss minimization and stormwater treatment options at Concurrence Point 4B Stream EE — Unnamed tributary to Bashavia Creek and Stream FF — rntermittent sh-eam Minor structures are proposed at Stream EE and Stream FF. The DWQ asked if Stream EE can be relocated. • The NCDOT agreed to daylight Stream EE as much as possible. Structure #12 — Stream HH— Mill Creek No. 3 NCDOT proposes a 3-banel culved at this location. The cost of the culvert is $1.5 million. A bridge at this location would cost $2.1 million and would be 350 feet in length. Table 1 (Hydraulic Table — Project R-2247 Preferred Alternative) listed a cost of $3 million for the bridge. Mr. Nottingham stated that this should be changed to $2.1 million. The EPA asked why a 350-foot long bridge would be required for a 5-foot wide stream. The NCDOT stated that the grade in the area and the fact that the stream is heavily entrenched and is in the 100-yeaz floodplain contribute to the long length of the bridge. It was noted that structure costs do not include mitigation costs. Mitigation costs would be approximately $147,000 at this location (based on a price of $410/linear foot). The DWQ noted that the price difference between a culvert and a brid�e at this location is relatively small compared to other locations along the prvject. The USFWS and DWQ would like to see a bridge at this locarion to keep the stream more stable. • The NCDOT agreed to place a bridge Stream HH instead of t6e proposed culvert. Structure #13 — Stream JJ (Unnamed tributary to Mill Creek No. 3), Stream KK (intermittent/perennial stream), Wetland 19 (low quality wetland). and Wetland 20 (high quality wetland) Date Prepared: Jufy 14, 2005 Minutes from July 13, 2005 Merger Meeting TTP R-2247 and U-2579 NCDOT proposes a culvert at Stream JJ/Stream KK. Stream KK is perennial, with an internuttent section upstream of its confluence with Stream J7. Stream JJ is perennial. The EPA and DWQ asked if the intermittent portion of Stream KK could be relocated. • The team agreed to the culvert as proposed at Stream JJ/5trearo KK, The NCDOT agreed to consider relocattng the fntermittent portion of Stream KK and to evaluate minimization measures for WeHand 20 at Concurrence Point 4B. Stream LL — C/nnamed tributary to Muddy Creek NCDOT proposes a minor structure at Slream LL. • Minor structure — no team decisfon required. Structure #14 — Stream NN— Unnamed tributary to Muddy Creek NCDOT proposes a single barrel culved at Stream NN. The impacted length of the sheam (541 feet) seems lazge when compazed to the culveR length (344 feet). The NCDOT will check these numbers. • The team agreed to the culvert as proposed. Structure #1 S— Stream 00 — Muddy Creek NCDOT proposes a bridge at Stream 00. • The team agreed to the bridge as proposed. Stream PP — perennial stream NCDOT proposes a minor shucture at Stream PP • Minor structure — no team decision required. The discussion about Concurrence Point 2A/4A concluded. Mr. Houser presented a design issue regarding the US 421 interchange (Project U-2579) to the team. PROJECT U-2579 ISSUE The original design for the US 421 interchange included retaining walls to avoid several ponds and a stream near the interchange. In a previous merger team meeting, the NCDOT agreed to avoid.these ponds and stream. However, the NCDOT is not satisfied with the current design of the interchange and needs to update the design. In order to update the design, the NCDOT would need to impact these water resources. Mr. Houser asked the team if the NCDOT could drain the ponds, move the stream, and treat the stormwater runoff from the Beltway before it flows into the relocated creek, The WRC asked if natural channel design wouid be used. Mr. Houser stated that it would. The WRC noted that moving the stream south of the interchange would not be possible due to topography in the area. The NCDWQ wanted to know if the new design would take all of the ponds. Mr. Houser said it probably woutd. The USFWS noted that if the interchange design does not work, it needs to be redesigned. The NCDWQ asked if 50-foot buffers and stormwater treatment woutd be inciuded as part of the design. Mr. Houser said they would. • The team agreed to allow the NCDOT to relocate the stream. Date Prepared: July l4, 2005 r.ei.i: x.a..�n�r.e�.-rp�.eex-uawer.��.aninm.n.. ��mmmm�e�wa:ox�,vMroomv �omwwn..nnti�a�m��mq.�wmrn,wm�i. N�Pni�d�we+rod��mmwmavidvre. awdw.wviiavvaen.Rsmwumisrm�em��^Yeemarswwm.0 waunPeu�n�mw�Wwxcooi. �Pommnsl unam Wi re MPeeemm YSCSa+]reR�. llexarcanaavutlMlwim�i m Xa US SmeM. Mrvm9"mee�M^9�vriM+Nmeomirc+We.w�anNeo�iGnv��e�m�m-��hamumewwieem.Pawewaa.eemw.�vea.n.n�siume�atmm i �inN i ae�Mme 'Pomre'e PommiLflmmllali>mlpx'm�onuSGSw%aryb.Teeev�mew.�bOv�eXwmnwnimMVUSGSmaOs � � �" 'Nw.nynuw�neqw w',poi. T�Nl1: µ,TeLle1: HyNvultiade—RojeclR3]A)PmhneEqllemeJw 5treams Within the Project R-2247 Preferred Alternative Right of Way Crossetl Dy a Lengt� of Sveam �ajorOrainage StreamName StreamType �mpacted R¢IoeateE USACE St�eem p�imary A4�� Label' Length (ft) Mitigable� Class. W�� k) Depth (ft) NC DWp Index # Substrate Organisms Shucture Sheam ft Observetl A ' Ephemerai 261 0 No C 3.5 0 72-9411 Sand None Ba UT to Little Creek lntermittent 1,055 0 No C 5 2.5 12-9411 Gravel None Bb UT to Little Creek Perennial 261 0 Yes C 5 2.5 12-94-11 Gravel None C " Intermittenl 214 0 No C 1.5 0.4 12-94-i'I Grevel None D " Interminent t29 0 No C 1 0.3 12-94-71 SanO None E Yes(WS1) LittieCreek Perennial 0 0 Yes C 15 7S 12-9471 Santl None F ' Ephemerei 373 0 No C 1.5 0 72-94-10 Clay None G ' Ephemeral 210 0 No C 1 0 12-94-70 Clay No� H Ves (WS 2, 2a. 7) Silas Creek Perennial t73 0 Yes C 20 2 12-94-70 Sand None � "' Perennial 69 0 Ves C 3 0.3 72-94-10 Santl None J Yes (WS 4, 6) Muddy Creek Perennial 0 0 Ves C 38 2.5 12-94-(0.5) Gravel Snaiis K UT to Muddy Creek Perennial � ROW E 0 Ves C 6 0.5 12-94{0.5) Gravel Snails L UT fo Mudtly Creek Perenniai 84 0 Yes C 2.5 0.3 t2-94-(0.5) Sand None M Yes (WS 5) UT to Mudtly Creek Perennial 257 0 Yes C 4 0.5 12-94(0.5) Gravel Snails N " Intertnitteni �,t88 330 No C 3 O.a 12-9a-(0.5) 5ilt None O " Intgrmi�tent 311 0 No C 2 03 12-94-(0.5) Sand None P Yes (WS 8) Reyrrolds Creek Perennial 0 0 Yes C 6 0.3 12-94-9 Gravel $nails Q UTtoTomahawkCreek Perennial 830 0 Ves C 5 0.3 12-94-9-i Gfavel Sndi15 R Yes (WS 9) UT to Tomahawk Creek Perennial 0 0 Yes C i i 0.9 12-94-&1 SarM None S UT to Tomahawk Creek Perenniai 310 547 Yes C 4 02 72-94-9-t Gravel Snails T " Intermittent 464 0 No C 2 O.t t2-94-9-7 Sill Norie U Ves (WS 70, 77) UT to Tomandwk Creek Perennial 1,224 1,528 Ves C 5 0.3 12-94-g-1 Santl None Streams Wthin the Project R-2247 Preferred Alternative Right of Way Stream Crossed 6y a �mPa�� Lengt� oi USACE Stream Primary A9uatic � Major Drainage Slream Name Stream Type Reloeatetl i WiAth (k) DepM (ft) NG DWQ InOax N Organisms �be� Structure Length (ft) S�am R MitlgaWe Class. Substate Observed V UT W Tomahawk Creek Perennial 522 0 Yes C 6 0.3 12-94-9-1 Gravel None W "" Perennial 224 0 No C 4 02 12-94-94 Sand None X UT W Tomahawk Creek Perennial 92 0 Yes C 3 OA '12-94-93 Gravel Snails V '" Intermittent 849 0 No C 2 0.1 12-Bb(0.5) Clay None Z North UT to Bill Brench Intertnirient 305 0 No C 1.5 0.3 72-94-5 Clay None Z South UT lo Bill Branch Intermittent 293 0 No C 7.5 0.3 t2-94-5 Clay Norre AA U7 to Bashavia Creek Iniermittent 335 0 No C 2 02 12-81-(0.5) Sand None BB Bashavia Creek Perennial 0 0 Ves C 4 0.9 12-BY(0.5) Santl None CC UT to Bashavia Creek Perennial 374 0 Yes C 2 02 12-BL(0.5) SarW Snails DD UT to Bashavia Cteek Perennial 393 0 Yes C 2 02 12-81-(0.5) Gravel None EE UT to Bashavia Creek Intermiitenl 548 0 No C 1 0.1 t2-87-(0.5) Sand None PF " Intermittent 714 0 No C 1 0.1 72-SL(0.5) Sand None GG " Intermiflent 176 0 No C 0.5 , 0.1 12-94-4 Clay None HH Ves (WS 12) MiII Creek No. 3 Perennial 3t9 0 Yes C 5 0.8 12-94-4 Sand None II '• Intarmittent 357 0 No C t.5 02 12-94-4 Santl Norie JJ Yes (V✓S 13) UT to Mill Creek No. 3 IntermRlent 747 0 No C 1.5 02 12-94-0 Silt None KK Yes (VJS 13) ••� �ntermiltent 813 0 No C 6 0.3 12-94-4 Grevel Snails Perennial 292 Yes LL UT to Muddy Creek �nte�miHeM 620 0 No C 2.5 0 12-94-(0.5) Sand/sitl None Perennial 661 MM ' Ephame2l 102 0 No C 1 0 12-94-(0.5) Vegetalion/ None Silt NN Yes (WS 14) UT to Mudtly Creek Perennial 391 0 Yes C 7 2 12-94(0.5) Silt F�� Frogs, Water Striders 00 Yes (WS 75) Mudtly Creek Perennial 0 0 Yes C 3.5 0.3 12-95(0.5) Sand None PP ^' Perennial 36'I 0 Yes C 1.5 0.1 72-96(0.5) SarM None QQ UT lo Muddy Creek Perennial 635 0 Ves C 2 0.2 t2-94-(0.5) Gavel None Streams Within the Pro ect R-2247 Preferred Aitemative Ri ht of Way Stream ��SSp�age Stream Nama $tr¢am 7ypa �mpaCled �� USACE Stream primary A��' ��I' SWcture �� (R) Stream ft Mkigable� qass. wtlN (ft) Deptn (ft) NG DW� Inaex # Subs�nte Organis� Observ� RR Yes (VJS 76) UT M Carassy Creek Perennial � ROW E 0 Yes C 2 0.1 12-94-7-3 Gravel Snails SS " I�rtermittent 444 0 No C 3 0.7 12-942 Gravel None TT Yes (WS 23) "' Perennial 294 0 Yes C 3 0.1 '12-9G-2 CobWe None UU Ves (WS 22) UT W Beaver Dam Creek Perennial 225 0 Yes C 6 02 72-94-2 Grdvel None Nor� impa W Yes (WS t6) UT to Gressy Creek Perennial 2,326 0 No3 C Braitled 0.3 12-94-73 Sand by fungus 1 chip pile ru WW Yes(WS'17) UTroGrassyCreek Perennial 2255 0 Yes C 8 0.3 12-94-7-4 Santl Norre � Yes(WSt7, GrassyCreek Perennial 1,545 0 Ves C 9 0.5 72-94-73 Sand No�re 18. 79, 20 �'�' " Intermittent 232 0 No C 2.5 0.7 12-945 SarW None 71 "' Intermitlent 225 0 No C 7.5 0.7 12-34-73 SaM Non¢ USACE Mitigable (liriear feet) 71,427 2,075 Not Mitigable (IinBarfeet) 13,587 330 Total Linear Peet of Stream Channel 25,008 2,605 UT = Unnametl TriCNary hrmads are Dasetl upom m�sWclim limifs for tice 2002 preliminary enginearing dasigro ezcapf whera oosseE Cy a major tlrzinage sWclure, where impacls are based upon measureE impacls of that stiuclure. Stream rebcations are wnsitlered mitlgated impacls. ' Slream Ia0e6 referto Flgurea 3-11(a<eG � USACE miligable apeems are conaberaE as sutlr baseU on guWanca Irom Me USAGE. ' The perennial stream has been 5ignificantly impaded 6y nmoft(rom a chip/mulch pile. The siream has a whtte fimgal grovAh preveritiig a"USACE Mitigable" cWssifxafion. TM1e USACE mnwis wil� t�b O�em�ina4m ' Epheme2l shpam rqt present on USGS quad2rgle. No stream name. The stream classifiatian a�M index number relate fo cbsest hibWary slream. '• Inteemittent stream'wt preserrt on USGS quatlrargle. No sheam name. The stream Gassiflmtion aM iMm� numUer relate [o dosest M1ibutary stream. '^ Perermial Slream Met ¢ not present on USGS quadrangle. These streams wuld be inlermittent on Me USGS reaps. Wetland Impacts — Project R-2247 Preferred Alternative Watland� Welland Impacts(acres) NCDWQ Wetland qssaciated Stream Name Rating Quality 1 0.02 62 High UT to Little Creek 2 0.70 77 High Silas Creek 3 0.13 68 High Silas Creek 4 0.32 25 Low Muddy Creek 5 0.04 52 Medium Intermitlent Stream not present on USGS uad ma . No stream name 6 0.52 80 High Tomahawk Creek 7 0.05 70 High �ntermittent Stream not present on USGS uad ma . No stream name 6 Outside Slope Stake and ROW 89 High Tomahawk Creek 9 0.27 25 Low UT to Tomahawk Creek 10 Outside Slope Stake and ROW 60 High UT to Tomahawk Creek i t 0.12 34 Low Perennial stream not present on USGS uad ma . No stream name 12 0.74 49 Medium UT to Tomahawk Creek 13 0.08 44 Medium Intermittent Stream not present on USGS uad ma . No stream name 14 Outside Slope Stake 56 High �ntermittent Stream not present on USGS uad ma . No stream name 15 0.12 63 High Bashavia Creek i6 0.02 84 High Bashavia Creek 17 0.03 41 Medium Intermittent Stream not present on USGS uad ma . No stream name 16 0.02 41 Medium Intermitlent Stream not present on USGS uad ma . No slream name 19 0.06 21 Low UT to Mill Creek No. 3 20 0.04 63 High Perennial stream not present on USGS uad ma . No stream name 21 0.10 31 Low UT to Muddy Creek 22 Outside Slope Stake and ROW 39 Medium Ephemera� stream not present on USGS uad ma . No stream name 23 0.01 43 Medium UT to Muddy Creek 24 Outside Slope Stake and Row 64 High UT to Grassy Creek 26 0.01 42 Medium Intermittent Stream not present on USGS uad ma . No siream name 27 020 66 Hiqh UT to Grassy Creek 0.87 Total Acreage -Low Quality Wetland 0.03 Total Acreage - Medium Quality Wetland 7.80 Total Acreage - HiAh Quality Wetland TOTAL 3.60 UT = Unnamed Tnbutary Impacts are based upon construction limits for the 2002 preliminary engineering designs. Some wetlands were ao small that thay do not show up on the mapping or are immediately adjacent to Ihe corridor and were included in case the corcidor shifted slightly. ' Wetlantl numbers refer to Flgure 3•N(a-ee). Draft Minutes from the Interagency 4B Hydraulic Design Review Meeting U-2579B Winston-Salem Northern Beltway (Eastern Section) from I-40 Bus/US 421 to US 158 in Forsyth County A Hydraulic Design Review Meeting was held on Wednesday January 23, 2008 in the Hydraulics Design Conference Room at the NCDOT Century Center Complex from 9:00 am —11:00 am Team Members: John Thomas: USACE Marella Buncick: USFWS Marla Chambers: NCWRC Amy Euliss: NCDWQ Brian Wrenn: NCDWQ Chris Militscher: EPA Kathy Matthews: EPA Donnie Brew: FHWA David Harris: NCDOT, REU Tony Houser: NCDOT, Roadway Lonnie Brooks: NCDOT, Structures Derrick Weaver: NCDOT, PDEA Rachelle Beauregard: NCDOT, NEU Keith Raulston: NCDOT, Division 9 (present) (present) (present) (not-present) (not-present) (not-present) (present) (present) (not-present) (present) (present) (not-present) (not-present) (present) Participants: Andrew Nottingham, NCDOT Hydraulics Will Hines, Sungate Design Group David Wainwright: NCDWQ Troy Wilson, USFWS Kent Boyer, NCDOT Division 9 Gene Noderino, NCDOT NEU Missy Dickens, NCDOT PDEA Vasim Barodawala, NCDOT Roadway John Braxton, NCDOT Roadway Lee Moore, NCDOT Roadway Roy Girolami, NCDOT Structures John Arms, NCDOT Hydraulics Greg Price, NCDOT NEU Minutes: General Introduction was initiated by Andrew Nottingham. Introductions were made by all in attendance. General Comments: The Hydraulics Engineer stated that where it was practicable, guardrail and shoulder berm gutter were eliminated and 4:1 fill slopes were used. The Hydraulics Engineer stated that proposed cross-pipes located on Jurisdictional Streams (JS) would be increased by one pipe size and buried 20% (except in locations where Agencies requested that a Drop Box be used). The Hydraulics Engineer stated that in locations where the storm drainage outlet pipe was a 15 or 18 inch pipe, a Preformed Scour Hole would be used where practicable. Sheet 4: No Impact from U-2579B. Begin Construction starts on Sheet 5. Sheet 5: JS (unnamed tributary to Lowery Mill Creek) located on Sheet 5 and 20: The Hydraulics Engineer stated that the proposed double barrel box culvert will have a sill in one barrel. The Agencies requested that baffles also be placed in the box culvert. Wetland located near Begin Construction: The Hydraulics Engineer stated that an Energy Dissipater would be used at this location. JS located near Station 495+00: The Hydraulics Engineer stated that the three storm drainage systems taken to this outlet would connect to each other using a Junction Box and that there would only be one outlet pipe. Sheet 6: JS located near Station 502+00: Use a Drop Box at the outlet of the cross-pipe in order to dissipate as much energy as possible prior to stormwater re-entering the natural stream channel. Due to the steepness of the proposed cross-pipe, this is preferable to using an in stream riprap dissipater. In cases where a Drop Box is used, no need to bury inlet of pipe. JS located near Station 506+00: Use a Drop Box at the outlet of the cross-pipe. JS located near Station 509+00: No comment. Sheet 7: JS located near Station 523+00: No comment. Sheet 8: Wetland located near Station 527+00: The Hydraulics Engineer stated that the inlet invert of the proposed cross-pipe would be placed at the same elevation as the water surface elevation in the wetland. Pond: There was some discussion about whether or not the pond would be kept and if this area could be used for mitigation. At this time, NCDOT does not know because negotiations with the current property owners have not taken place. Sheet 9: No impact. Sheet 10: Martin Mill Creek and Tributary to Martin Mill Creek: After a lengthy discussion where the pros and cons for several alternatives were discussed, based on a general consensus, it was decided that a minimum length bridge (about 225 feet) will span Martin Mill Creek and that a box culvert would convey the Tributary to Martin Mill Creek. The Hydraulics Engineer stated that a sill would be placed in one of the barrels of the box culvert. The Agencies requested that baffles be placed in the box culvert. Sheet 11 JS located parallel to the roadway (Sheet 10 and 11): The Hydraulics Engineer stated that the stream would be piped along the toe of fill due to the large amount of excavation that would be required for an open channel. It was also stated that there would be a short channel change at the inlet in order to protect the proposed roadway embankment. Use a Drop Box at the outlet of the proposed pipe. JS located near Station 572+00 (Sheet 11 and 12): The JS is completely impacted by the proposed roadway. The Hydraulics Engineer stated that a lateral ditch would be used to take the stormwater along the toe of fill to a point where the length of the proposed cross- pipe can be significantly reduced. The Agencies suggested that the proposed cross-pipe tie directly into the proposed pipe that is carrying the JS located parallel to the roadway. Sheet 12: JS located near Station 575+00: No comment. Sheet 13: No impact. Sheet 14: No impact. Sheet 15: JS located near Station 616+00 (Kerners Mill Creek): The Hydraulics Engineer stated that a triple barrel box culvert is proposed at this crossing. The Agencies requested that baffles be placed in the box culvert and that a sill be placed in one of the barrels. There was some discussion about using a bottomless culvert or a wider box culvert that could match the width of the natural channel. NCDOT Hydraulics stated that in order to use a bottomless culvert, there would have to be bedrock located fairly close to the surface. Bedrock had been observed in the upper portion of the stream, but was not clearly evident in the lower portion. NCDOT will investigate if a bottomless culvert can be used. NCDOT Structures stated that using a wider box culvert would not be practicable due to the thickness of the top slap required. The Hydraulics Engineer stated that a majority of the storm drainage from the roadway would be taken to an area located near Station 619+00 Left where the proposed cross- pipe would act as an outlet control device and provide as much detention as practicable. JS located near Station 629+00 (Smith Creek): The Hydraulics Engineer stated that bridges would be used to span the stream. Sheet 16: JS and Pond located parallel to the roadway near Station 635+00: The JS and Pond are completely impacted by the proposed roadway. It was brought to our attention that there are wetlands associated with this JS that are not currently shown on the plans. The Hydraulics Engineer stated that the areas inside of the Loops and between the Ramps would be designed and used as a Detention Basin as much as practicable. At this point, the allotted time for the 4B Meeting ran out and it was stated that the 4B Meeting would have to be continued in 2 months. Meeting adjourned. Draft Minutes from the Interagency 4B Hydraulic Design Review Meeting U-2579B Winston-Salem Northern Beltway (Eastern Section) from I-40 Bus/US 421 to US 158 in Forsyth County A Hydraulic Design Review Meeting was held on Wednesday, March 12, 2008, in the Hydraulics Design Conference Room at the NCDOT Century Center Complex from 9:30 am —11:00 am. This meeting was a continuation of the meeting held on January 23, 2008. Team Members: John Thomas: USACE Marella Buncick: USFWS Marla Chambers: NCWRC Amy Euliss: NCDWQ David Wainwright: NCDWQ Chris Militscher: EPA Kathy Matthews: EPA Donnie Brew: FHWA David Harris: NCDOT, REU Tony Houser: NCDOT, Roadway Lonnie Brooks: NCDOT, Structures Derrick Weaver: NCDOT, PDEA Rachelle Beauregard: NCDOT, NEU Keith Raulston: NCDOT, Division 9 (present) (present) (not-present) (not-present) (present) (present) (present) (not-present) (not-present) (present) (not present) (not-present) (present) (present) Participants: Andrew Nottingham, NCDOT Hydraulics Will Hines, Sungate Design Group Greg Price: NEU Felix Davila, FHWA Kent Boyer, NCDOT Division 9 Gene Noderino, NCDOT NEU Missy Dickens, NCDOT PDEA Vasim Barodawala, NCDOT Roadway John Braxton, NCDOT Roadway Roy Girolami, NCDOT Structures Paul Ervin, NCDOT Structures Minutes: Chris Militscher (EPA) noted that Marla Chambers (NCWRC) could not make the meeting but had provided comments to him to present at the meeting. Sheet 16: The Hydraulics Engineer stated that the areas inside of the Loops and between the Ramps would be designed and used as a Detention Basin as much as practicable and that the ultimate outlet will be taken directly to Smith Creek by way of a 4 foot base channel with riprap. Sheet 17: An additional wetland will be delineated near Station 662+50. JS located at Station 667+00 (Fishers Branch): The Hydraulics Engineer stated that the box culvert would be a triple barrel due to FEMA requirements and that two of the barrels would have a sill. Sheet 18: JS located at Station 667+00 (Fishers Branch): The Hydraulics Engineer stated that the storm drainage system will be taken directly to Fishers Branch by way of a 4 foot base channel with riprap, with the exception of the stormwater from the shoulder berm gutter, which will be taken to a Preformed Scour Hole. Sheet 19: JS located at Station 688+50: The upstream pond will be completely drained and the downstream pond will be temporarily drained to an elevation below construction. The Agencies asked if there could be a Stream Restoration in the drained upstream pond. NCDOT will investigate. Stormwater from the shoulder berm gutter will be taken to a Preformed Scour Hole. Sheet 20: JS (unnamed tributary to Lowery Mill Creek) located on Sheet 5 and 20: The Hydraulics Engineer stated that the proposed double barrel box culvert will have a sill in one barrel. The Agencies requested that baffles also be placed in the box culvert. Sheet 21: The Project ends before US 158 crosses Lowery Mill Creek. The Hydraulics Engineer described the proposed storm drainage systems and stated that existing drainage patterns and outfalls were basically being kept the same with the exception of the existing storm drainage outlet located immediately downstream of the US 158 crossing, which will be relocated immediately upstream of the US 158 crossing. Sheet 22: No impact. Sheet 23: No impact. Sheet 24: No impact. Sheet 25: No impact. Sheet 26: Smith Creek: The Hydraulics Engineer stated that a combination of retaining walls and 1.5:1 fill slopes with riprap were being proposed in order to avoid permanent impact and relocation of Smith Creek that would also impact the adjacent ponds. The Agencies expressed some concern that the water quality of Smith Creek would be temporarily impacted during construction of the retaining walls. NCDOT stated that the retaining walls, type unknown at this time, would have less of an impact, both during construction and permanently, than the alternative of using 1.5:1 slopes along the entire length. The Agencies expressed some concern that the existing box culvert under Business I-40 is undersized due to evidence of a large scour hole located at the outlet. NCDOT stated that based on the hydraulic calculations, the box culvert was not undersized. Sheet 27: Smith Creek: The Hydraulics Engineer stated that 1.5:1 fill slopes with riprap were being proposed in order to avoid permanent impact and relocation of Smith Creek that would also impact the adjacent ponds. An additional Jurisdictional Stream will be delineated upstream of Station 65+00 -Y4-. Sheet 28: JS located at Station 107+50 -Y4- (downstream): The Hydraulics Engineer stated that three cross-pipes (two under Business I-40 and one under Ramp B) will be connected using a Junction Box just downstream of Ramp B and that there would be only one outlet pipe. The Junction Box will serve as a Drop Box. An additional Jurisdictional Stream will be delineated upstream of Station 104+50 -Y4- (outlet of pond). An additional Jurisdictional Stream will be delineated downstream of the existing 18" cross-pipe located at Station 109+50 -Y4-. Sheet 29: No impact. Sheet 30: It was stated that the stream located south of Business I-40 and running parallel to the roadway embankment was Jurisdictional. The Hydraulics Engineer stated that the fill slope in this area has been steepened to 1.5:1 with riprap in order to avoid any impact. The Hydraulics Engineer stated that existing drainage patterns are being maintained. The Project ends before Business I-40 crosses Salem Creek. Sheet 31: The Hydraulics Engineer stated that an Energy Dissipater will be used at the end of the proposed storm drainage system, which is located about 200 feet from Salem Creek. The Project ends before SR 2667 crosses Salem Creek. Meeting adjourned. ROY COOPER Governor MICHAEL S. REGAN sea�etrwy TIM BAUMGARTNER n��mr Ms. Amy Euliss Division 9 Environxnental Officer North Carolina Department of Transportation 375 Silas Creek Parkway Winston-Salem, North Carolina 27127-7167 Dear Ms. Euliss: Subject: References: DMS Mitigation Acceptance Letter: U-2579B, Winston-Salem Northern Beltway (Eastern Section) from US 311 to east of US 52, Forsyth County USACE 404 Individual Permit issued June 17, 2014 (USACE Action ID 2008-03183) NCDWR 401 Water Quality Certification issued July 28, 2014 (NCDWR ID 2014-0090) NORTH CAROLINA Envlrorementvl Quality November 20, 2018 The purpose of this letter is to notify you that the Division of Mitigation Services (DMS) will provide the additional compensatory stream mitigation for the subject project. Based on the information supplied by you on November 19 and 20, 2018, the impacts are located in CU 03040101 of the Yadkin River basin in the Central Piedmont (CP) Eco-Region, and are as follows: Table 1— Additional Yadldn 03040101 CP � ap cts (feet / acres Stream Cold Cool I Wetlands Buffer (Sq. Ft.) �� pan� Non- Coastal Zone 1 Zone 2 Rinarian Marsh i � Impacts (feet/acres) f 0 I 0 ' 649.0 I 0 I 0 I 0 0 � 0 *NOTE: Some of the stream impacts may be proposed to be mitigated at a 1:1 mitigation ratio. See permit application for details. This additional impact and associated mitigation needs were not projected by the NCDOT in the 2018 impact data. DMS is currently providing stream and riparian wetland mitigation for the impacts associated with this project located in cataloging unit 03040101 of the Yadkin River basin as required by the 404 and 401 permits issued in June and July 2014, as shown in the below table (in mitigation credits) �� - ��,,�`' North Carolina Department of Environmental Quatity I Division of Mitigatlon Services 217 W. Jones Street I 1652 Mail Service Center � Raleigh, North Carolina 27699-1652 919.707.8976 Ms. Euliss TIP I-3802B November 20, 2018 Page Two Table 2— Current Permitted Impacts and Associated Mitigation Requirements provided by DMS (based on 2014 issued permitsj and Revised Antici�ated Imnacts f based on mitiQation reauesft Impact Type Stream (warm) Riparian Wetland Total Permitted Impacts (feet / acre / sq ft) 9,044.0 1.96 Mitigation Provided by DMS per Issued Permits (Credits) 16,863.0 3.92 Additional Impact (for approval) 649.0 0 Revised Total Impacts* 9,693.0 1.96 *Some of the additional stream impacts may be proposed to be mitigated at a 1:1 mitigation ratio. See permit application for details. DMS will provide the amount of mitigation as determined by the regulatory agencies. Tlus mitigation acceptance letter replaces the mitigation acceptance letter issued on January 17, 2014. DMS commits to implementing additional sufficient compensatory stream mitigation credits to offset the impacts associated with this project as determined by the regulatory agencies using the delivery timeline listed in Section F.3.c.iii of the In-Lieu Fee Instiument dated July 28, 2010. If the above referenced impact amounts are revised, then this mitigation acceptance letter will no longer be valid and a new mitigation acceptance letter will be required from DMS. 8420. If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-707- Sincerely, � _ +�. �J ► �' � �' f � James B. Stanfill DMS Asset Management Supervisor cc: Mr. James Lastinger, USACE — Raleigh Regulatory Field Office Mr. Dave Wanucha, Division of Water Resources, Wetlands/401 Unit File: U-2579B Additional �� y �: ; �� u.r ��i�� North Caralina Department of Environmenial Qualiry I Division of Mitigation Services 217 W. 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WETLAND PERMIT IMPACT SUMMARY WETLAND IMPACTS SURFACE WATER IMPACTS Hand Existing Existing Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts Stream No. From/To Size / T e Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design ac ac ac ac ac ac ac ft ft ft 1 28+00 -Y1- ROAD FILL 0.03 < 0.01 0.02 0.02 142 2 16+00 -Y1 RPD- ROAD FILL - INTERMITTENT 0.01 109 ROAD FILL - PERENNIAL 0.02 208 STREAMBANK STABILIZATION < 0.01 < 0.01 10 37 3 21+56-25+22 -Y1- 2 7'x6' RCBC 0.06 < 0.01 438 33 3A 17+36-21+53 -Y1- DETOUR - ROAD FILL 0.08 545 3B 20+55-21+32 -Y1- DETOUR - ROAD FILL 0.03 194 4 501+51-503+21 -L- ROAD FILL 0.03 < 0.01 493 18 STREAMBANK STABILIZATION < 0.01 < 0.01 9 31 5 503+85-507+80 -L- ROAD FILL 0.05 < 0.01 740 22 5A 507+39-509+64 -L- ROAD FILL 0.01 306 6 523+00 -L- ROAD FILL 0.03 < 0.01 0.02 < 0.01 312 42 7 527+00 -L- ROAD FILL 0.52 0.01 ROAD FILL-POND 0.59 8 559+75 -L- 2 10'x6' RCBC 0.06 < 0.01 442 53 STREAMBANK STABILIZATION < 0.01 < 0.01 58 44 9 560+75 -L- ROAD FILL 0.03 0.01 10 560+50-568+74 -L- ROAD FILL 0.01 0.07 < 0.01 783 22 10A 566+g4-572+75 -L- ROAD FILL 0.05 684 11 615+00 -L- 3 10'x9' RCBC 0.43 0.02 808 57 11A 19+76-21+44 -Y4RPBD- CHANNEL CHANGE 0.08 0.01 223 41 12 15+g4-18+g6 -Y4RPBD- CHANNEL CHANGE 0.01 0.02 88 205 SUBTOTALS*: 0.62 < 0.01 0.05 1.53 0.19 5853 1344 *Rounded totals are sum of actual impacts NOTES: ReNsed 3/12/13 WETLAND PERMIT IMPACT SUMMARY WETLANDIMPACTS SURFACE WATERIMPACTS Hand Existing Existing Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts Stream No. From/To Size / T e Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design ac) ac ac ac ac (ac (ac (ft ft) ft 13 20+00-21+40 -Y4RPBD- ROAD FILL 0.33 14 629+g5-635+g0 -L- ROAD FILL 0.04 0.05 688 15 636+32-641+55 -L- ROAD FILL 0.18 0.04 332 ROAD FILL-POND 2.38 15A 644+00-645+00 -L- ROAD FILL < 0.01 108 16 643+56-644+61 -L- ROAD FILL < 0.01 104 ROAD FILL-POND 0.16 17 663+65-667+00 -L- ROAD FILL 0.09 < 0.01 0.06 928 18 667+15 -L- 3 12'x10' RCBC 0.06 0.02 377 67 STREAMBANK STABILIZATION 0.02 0.01 80 59 19 668+50 -L- ROAD FILL 0.47 0.01 20 687+g0-691+59 -L- ROAD FILL 0.03 163 ROAD FILL-POND 0.85 450 21 22+50 -Y1- ROAD FILL 0.02 22 40+50 -Y4- OUTLET PAD 0.01 23 * - - 23A 44+95-45+18 -Y4- ROAD FILL < 0.01 57 23B 45+07-46+34 -Y4- ROAD FILL 0.01 135 24 80+73-81+57-Y4RPBD- ROAD FILL 0.02 202 24A 80+50-81+51-Y4RPBD- ROAD FILL 0.06 25 37+31 -Y4RPA- 30" RCP < 0.01 73 STREAMBANK STABILIZATION < 0.01 < 0.01 21 16 SUBTOTALS": 1.20 0.02 3.67 0.03 3268 142 450 "Rounded totals are sum of actual impacts NOTES: Revised: 5-18-14 SEE SHEET 64 FOR PERMIT IMPACTS QUANTITIES FOR SITES 23 AND 23A. PREVIOUS IMPACTS FOR SHEET 63 FOR PERMANENT SURFACE WATER IMPACTS: 3.77 AC, TEMP. SURFACE WATER IMPACTS: 0.9 AC, EXISTING CHANNEL IMPACTS PERMANENT: 3422 LF, EXISTING CHANNEL IMPACTS TEMP.: 263 LF Revised 31121'13 WETLAND PERMIT IMPACT SUMMARY WETLANDIMPACTS SURFACE WATERIMPACTS Hand Existing Existing Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts Stream No. From/To Size / T e Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design ac) ac ac ac ac (ac (ac (ft ft ft 26 29+16-31+12 -Y4RPC- ROAD FILL-POND 0.38 27A 104+62 - 107+53 -Y4- ROAD FILL 0.02 205 27B 107+60 -Y4- 42" WELDED STEEL 0.05 0.01 < 0.01 130 14 27C 107+58 - 108+44 -Y4- 30" RCP < 0.01 116 28* - - - 29 145+62 -Y4- ROAD FILL < 0.01 30 64+34 -Y4- STREAMBANK STABILIZATION < 0.01 28 31 557+28 -L- STREAMBANK STABILIZATION < 0.01 21 Permit Modifications* 23 44+10 to 47+g6 -Y4- 3 8' x 9' RCBC Extension 0.06 151 Streambank Stabilization 0.02 0.05 3g 121 28 47+g6 to 56+g5 -Y4- 2@ 10' x 10' RCBC and 1@ 10' x 8' RCBC 0.12 598 127 Streambank Stabilization 0.04 <0.01 194 SUBTOTALS": 0.05 < 0.01 0.66 0.06 1479 262 SUBTOTALS FROM PAGE 1�: 0.62 < 0.01 0.05 1.53 0.19 5853 1344 SUBTOTALS FROM PAGE 2": 1.20 0.02 3.67 0.03 3268 142 450 TOTALS": 1.87 < 0.01 0.08 5.86 0.28 10600 1748 450 "Rounded totals are sum of actual impacts NOTES: Revised: 5-18-14 PREVIOUS IMPACTS FOR SHEET 64 FOR PERMANENT SURFACE WATER IMPACTS: 0.44 AC, TEMP. SURFACE WATER IMPACTS: 0.16 AC, EXISTING CHANNEL IMPACTS PERMANENT: 865 LF, EXISTING CHANNEL IMPACTS TEMP.: 202 LF PREVIOUS TOTAL IMPACTS FOR SHEET 64 FOR PERMANENT SURFACE WATER IMPACTS: 5.73 AC, TEMP. SURFACE WATER IMPACTS: 0.44 AC, EXISTING CHANNEL IMPACTS PERMANENT: 10140 LF, EXISTING CHANNEL IMPACTS TEMP.: 1809 LF Revised 3l'12l'13