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Home My WebLink About20131282 Ver 5_401 Application_20171103STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION ROY COOPER GOVERNOR November 3, 2017 U. S. Army Corps of Engineers Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 Wake Forest, NC 27587 ATTN: Mr. Eric Alsmeyer NCDOT Division 5 Coordinatar JAMES H. TROGDON, III SECRETARY SUBJECT: Request for Modification of the Section 404 Individual Permit, Section 401 Water Quality Certification, Isolated Waters State General Permit, and Neuse River Riparian Buffer Certification for the proposed East End Connector from NC 147 (Durham Freeway/Buck Dean Expressway) to north of NC 98 (Holloway Street) in Durham, Durham County, North Carolina, Division 5. Federal Aid Project No. NHF-76-1(2), TIP No. U-0071. Debit $570.00 from WBS Element No. 34745.1.1 REFERENCE: 1) USACE Individual Permit, Action ID No. SAW-2011-00796, dated March 24, 2014. 2) USACE Individual Permit Modifications, Action ID No. SAW-2011-00796, dated May 7, 2015; December 7, 2015; and May 17, 2016. 3) NCDWR Section 401 Water Quality Certification, Neuse River Buffer Authorization, and Isolated Wetlands Permit, NCDWR Project No. 20131282, Certification No. 3980, dated January 28, 2014. 4) Modifications to the NCDWR Section 401 Water Quality Certification, Neuse River Buffer Authorization, and Isolated Wetlands Permit, NCDWR Project Nos. 20131282 ver. 2(dated April 15, 2015); 20131282 ver. 3(dated October 26, 2015); and 20131282 ver. 4(dated May 5, 2016). Dear Sir: The purpose of this letter is to request a modification to the United States Army Corps of Engineers (USACE) Section 404 Individual Permit and North Carolina Division of Water Resources (NCDWR) Section 401 Water Quality Certification, Isolated Waters State General Permit, and Neuse River Riparian Buffer Certification for the above-referenced proj ect. MailingAddress: Telephone: (919) 707-6000 Location: NC DEPARTMENT OF TRANSPORTATION Fax: (919� 212-5785 1020 BIRCH RIDGE DRNE ENVIRONMENTAL ANALYSIS UNI7 Customer Service: 1-877-368-4968 RALE[GH NC 27610 1598 MAIL SERVICE CEN'IER RALE1cxNC27699-1598 Website: www.ncdot.gov In addition to this cover letter, please iind enclosed revised Wetland Permit Drawing Sheet Nos. 20, 21, 43, 44, 75, 90, and 91 of 91; revised Buffer Permit Drawing Sheet Nos. 5, 9, 10, 17, and 18 of 18; and the revised Mitigation Acceptance Letter from the N.C. Division of Mitigation Services (DMS). IMPACTS TO WATERS OF THE UNITED STATES Surface Waters All revisions occur within the Neuse River Basin (HUC 03020201). Stream impact revisions occur at Site 23. A review of the Erosion Control diversion plan indicates that the tie-in point for the diversion channel at this site is upstream of the previously-depicted rip rap on the streambank. The Division asked the culvert subcontractor to see if they can tighten the diversion channel to fall within the previously-depicted and permitted rip rap bank stabilization. The subcontractor indicated that the topography and grade changes at the site will not allow them to bring in the diversion tie-in point any closer to the culvert. Therefore, additional Class II rip rap bank stabilization is proposed to cover the tie-in point and the opposite bank, since there are concerns that the soil at this location is poor and there is no way to backiill, seed, and matt the area to create an effective stable streambank. Please see Table 1, which has been revised to reflect these modiiications. Revised Sites, sub-totals, and totals are in bold. Table 1. Revised Surface Water Impacts within the Neuse River Basin (HUC 03020201) Impacts Impacts Permit Stream Intermittent Impact Impacts Requiring USACE Requiring 1:1 Stream Name (lin. ft.) USACE Mitigation DWR Site No. ID' /Perennial Type �Change) mitigation Ratio mitigation (lin. ft.) (lin. ft.) 1 UT of Goose S-B Intermittent Perm. Fill 412 0� 03 Creek Temp. Fill 14 0 0 UT of Goose Perm. Fill 673 OZ 03 2 Creek S-A Intermittent Bank 2� OS 03 Stabil. 3 UT of Goose S-35 Intermittent Perm. Fill 410 0� 03 Creek Temp. Fill 20 0 0 UT of Little Intermittent Perm. Fill 349 04 03 4 Lick Creek S-26 (Isolated) Bank Stabil. 175 04 03 6 UT of Little 5-25 Intermittent Ba� 25 0� 03 Lick Creek Stabil. Temp. Fill 104 0 0 � UT of Little 5-18 Perennial Perm. Fill 665 665 2:1 665 Lick Creek Bank Stabil. 305 OS 305 U-0071 Permit Modification No. 4 Page 2 of 8 Table 1. Revised Surface Water Impacts within the Neuse River Basin (HUC 03020201) (Continued) Impacts Impacts Permit Stream Intermittent Impact Impacts Requiring USACE Requiring 1:1 Stream Name (lin. ft.) USACE Mitigation DWR Site Na IDi /Perennial Type �Change) mitigation Ratio mitigation (lin. ft.) (lin. ft.) g UT of Little S-19 Intermittent Perm. Fill 443 0� 03 Lick Creek UT of Little Perm. Fill 29 0� 03 9 Lick Creek 5-24 Intermittent Bank 43 OS 03 Stabil. Temp. Fill 72 0 0 IZ UT of Little 5-16 Intermittent Perm. Fill 789 0� 03 Lick Creek Bank 1 g �s 03 Stabil. Temp. Fill 33 0 0 1 � UT of Little S-6 Perennial Perm. Fill 479 479 2:1 479 Lick Creek Bank 140 Os 140 Stabil. UT of Little Temp. Fill 37 0 0 17A Lick Creek 5-12 Intermittent Bank 25 �s 03 Stabil. 17B UT of Little 5-14 Intermittent Temp. Fill 7 0 0 Lick Creek Temp. Fill 49 (-16) 0 0 23 UT of Little S-6 Perennial Perm. Fill 270 270 2:1 270 Lick Creek Bank 152 OS 140' Stabil. (+12) Temp. Fill 23 0 0 24 UT of Little S-7 Intermittent Lick Creek Perm. Fill 104 0� 03 Temp. Fill 10 0 0 ZS UT of Little S-2 Intermittent Perm. Fill 168 0� 03 Lick Creek Bank 35 OS 03 Stabil. U-0071 Permit Modification No. 4 Page 3 of 8 Table 1. Revised Surface Water Impacts within the Neuse River Basin (HUC 03020201) (Continued) Impacts Impacts Permit Stream Intermittent Impact Impacts Requiring USACE Requiring 1:1 Stream Name (lin. ft.) USACE Mitigation DWR Site No. ID' /Perennial Type �Change) mitigation Ratio mitigation (lin, ft.) (lin. ft.) Temp. Fill 23 0 0 26 UT of Little S-2 Intermittent Perm. Fill 50 0� 03 Lick Creek Bank Stabil. 50 Os 03 27 UT of Little S-6 Perennial Bank 10 Os 106 Lick Creek Stabil. UT of Little Utility/ U-1 Lick Creek 5-25 Intermittent Bank 20 Os 03 Stabil. Temporary Fill Impacts (Non-isolated) 372 (-16) 0 0 Temparary Fill Impacts (Isolated) 20 0 0 Permanent Fill Impacts (Non-isolated) 4,492 1,414 1,414 Permanent Fill Impacts (Isolated) 349 04 0 Bank Stabilization Impacts (Non-isolated) �g12� 0 595' Bank Stabilization Impacts (Isolated) 175 04 0 TOTAL TEMPORARY IMPACTS 392 (-16) 0 0 TOTAL PERMANENT IMPACTS � g Z� 1,414 2,009' 1Stream IDs are from the JD re-verification packet, dated April 7, 201 1. ZPer USACE, no compensatory mitigation is required far permanent impacts (including bank stabilization) to USACE-regulated intermittent streams associated with this project. 3 Per the NCDWQ Public Memorandum dated August 14, 2009, any NCDOT project within the Merger O1 process that has reacbed CP 4A priar to the effecrive date of October 16, 2009 is not subject to the NCDWR Intermittent Stream Mirigarion Policy. This project reached CP 4A on December 13, 2007 and is not subject to this policy. Therefore, no compensatory mirigarion far permanent impacts along intermittent streams is required by NCDWR far this project. 4Isolated streams are not regulated by USACE. SPer USACE, bank stabilization impacts do not require compensatary mitigation. 6Although this Site does not individually exceed the 150 linear foot threshold set by NCDWR for requiring compensatory mitigation, when combined with other Sites along the same stream, the cumulative impact to the stream exceeds that threshold. �NCDWR no longer requires mitigation for bank stabilization. Therefare, the additional 12 linear feet that was added to Site 23 did not increase the NCDWR mitigation required far that site. U-0071 Permit Modification No. 4 Page 4 of 8 Wetlands The only changes to wetland impacts occurs in the Neuse River Basin (HUC 03020201). At Site 10, 0.03 acre of inechanized clearing was added to Wetland W-25. Site 11, which was formerly <0.01 acres of inechanized clearing to Wetland W-24, has been removed as an impact. Table 2. Revised Wetland Impacts within the Neuse River Basin (HUC 03020201) Permit Wetland Impact Permanent Impacts Requiring Temporary Site No. �'etland ID Type Type Impacts (ac.) USACE mitigation Impacts (ac.) (Change) (ac.)i (Change) 2 W-B Riparian Fill 0.08 0.08 0 3 W-30 Riparian Fill 0.06 0.06 0 4 W-29 Riparian Fill 0.05 OZ 0 (Isolated) 5 W-39 Riparian Fill 0.06 0� 0 (Isolated) 8 W-28 Riparian Fill 0.04 0.04 0 Fill 0.01 0.01 10 W-25 Riparian Mechanized 0.03 (+0.03) 0.03 (+0.03) 0.01 Clearin 11 W-24 Riparian Mechanized 0.00 (-<0.01) 0.00 (-<0.01) 0 Clearin 14 W-l0A Riparian Fill 0.08 OZ 0 (Isolated) Non- 15 W-PX Riparian Fill 0.03 OZ 0 (Isolated) Non- 16 W-11 Riparian Fill 0.05 OZ 0 (Isolated) 33 WA4 Riparian Fill 0.09 0.09 0 Riparian, Non-Isolated Impacts 0.31 (+0.03) 0.31 (+0.03) 0.01 Riparian, Isolated Impacts 0.19 0� 0 Non-Riparian, Isolated Impacts 0.08 OZ 0 TOTAL IMPACTS 0.583 (+0.03) 0.313 (+0.03) 0.01 � Mitigation ratio for all applicable wetland sites is 2:1. Z Isolated wetlands are not regulated by the USACE. Additionally, NCDOT does not anticipate compensatory mitigation being required by NCDWR for isolated wetlands because total wetland impacts far the project do not exceed 1.0 acre. 3 Rounded total is based on the sum of the actual impacts. 4 This wetland is associated with the ABF Freight property. U-0071 Permit Modification No. 4 Page 5 of 8 Riparian Buffers All revisions occur within the Neuse River Basin (HUC 03020201). Riparian buffer impact revisions occur at Sites 9 and 10. Descriptions of the changes at each site are below. Please also see Table 3, which has been revised to reflect these modiiications. Revisions are in bold. Permit Site 9 • Due to right-of-way/construction changes, there will be an increase of 2,115 square feet of Zone 1 and 507 square feet of Zone 2 mitigable Impacts Other than Road Crossings (Parallel Impacts) at this site. Permit Site 10 Due to right-of-way/construction changes, there will be a decrease of 977 square feet of Zone 1 and 904 square feet of Zone 2 mitigable Impacts Other than Road Crossings (Parallel Impacts) at this site. This change completely eliminates all Zone 1 impacts at this site. Table 3. Revised Riparian Buffer Impacts within the Neuse River Basin (HUC 03020201) i Zone 1 Impacts Zone 2 Impacts Buffer Impact Impact Type s ft. Chan e s ft. Chan e Total (sq. ft.) � q• ) � g ) � q• ) � g ) (Chan e) Allowable Stormwater Management Impacts 5,584 3,789 9,373 Allowable Utility Impacts 2,599 1,960 4,559 Allowable Road Crossing Impacts 20,076 12,601 32,677 Mitigable Utility Impacts 329 0 329 Mitigable Parallel Impacts 6,455 (+1,138) 7,470 (-397) 13,925 (+741) Mitigable Road Crossing Impacts 355,113 236,440 591,553 Total Allowable Impacts 28,259 18,350 46,609 Total Mitigable Impacts 361,897 (+1,138) 243,910 (-397) 605,807 (+741) Wetlands in Buffer Within Mitigable Impacts 8,302 (+1,303) 2,343 (+8) 10,645 (+1,311) Total Mitigable Impacts, Minus Wetlands In Buffer 353,595 (-165) 241,567 (-405) 595,162 (-570) TOTAL IMPACTS 390,156 (+1,138) 262,260 (-397) 652,416 (+741) TOTAL WETLANDS IN BUFFER 8,302 (+1,303) 2,343 (+8) 10,645 (+1,311) TOTAL IMPACTS, MINUS WETLANDS IN 381,854 (-165) 259,917 (-405) 641,771 (-570) BUFFER 1 See Buffer Impact Summary Sheet in the attached revised buffer drawings far site-by-site impacts. U-0071 Permit Modification No. 4 Page 6 of 8 Compensatorv Miti�ation Compensatory mitigation requirements for permanent stream, wetland, and riparian buffer impacts associated with U-0071 within the Neuse River Basin (HUC 03020201) are summarized below in Table 4. Revised sub-totals and totals are in bold. Mitigation for the revised totals will be provided by DMS. Please see the attached DMS Mitigation Acceptance Letter. Streain Impacts A total of 5,859 linear feet of permanent warm water stream impacts will occur within the Neuse Basin. This is an overall increase of 12 linear feet since the last (3ra) permit modification. This change is due to the increase in bank stabilization at Site 23. A total of 1,414 linear feet of permanent warm water stream impacts will require compensatory mitigation per USACE at a 2:1 ratio. This is unchanged since the 3ra permit modiiication. The amount of permanent stream impacts requiring compensatory mitigation per NCDWR remains at 2,009 linear feet and will be mitigated for at a 1:1 ratio. The NCDWR mitigation did not increase due to the increase in bank stabilization at Site 23 since NCDWR no longer requires mitigation for bank stabilization impacts. Wetland Impacts A total of 0.58 acres of permanent wetland impacts will occur within the Neuse Basin. This is an increase of 0.03 acres compared to the last permit modification and is due to the addition of mechanized clearing at Site 10. Of that 0.58 acres, 0.27 acres are isolated and do not require mitigation. The remaining 0.31 acres will require compensatory mitigation per USACE at a 2:1 ratio. Riparian Buffer Impacts A total of 353,595 square feet of mitigable Zone 1 Riparian Buffer impacts and 241,567 square feet of mitigable Zone 2 Riparian Buffer impacts will occur within the Neuse Basin. This is a decrease of 165 square feet of mitigable Zone 1 buffer impacts and 405 square feet of mitigable Zone 2 buffer impacts when compared to previously-permitted amounts. Zone 1 impacts will be mitigated for at a 3:1 ratio, while Zone 2 impacts will be mitigated for at a 1.5:1 ratio. U-0071 Permit Modification No. 4 Page 7 of 8 Table 4. Revised Neuse River Basin Compensatory Mitigation Summary Riparian Mitigable Zone Mitigable Zone Stream Impacts Wetland 1 Buffer 2 Buffer (lin. ft.) Impacts (ac.) Impacts (sq. ft.) Impacts (Change) (Change) �sq. ft.) (Change) Impacts Requiring 1,414 0.31 (+0.03) 353,595 (-165) 241,567 (-405) Mitigation Mitigation Ratio 2:1 2:1 3:1 1.5:1 Total DMS Z 82g 0.62 (+0.0� 1,060,785 (-495) 362,351 (-608) Mitigation Required A copy of this permit modification application and its distribution list will be posted on the NCDOT website at https://connect.ncdot.gov/resources/Environmental/Pa�es/default.aspx, under Quick Links > Permit Applications. Thank you for your time and assistance with this project. Please contact James Mason at either jsmason(a�ncdot.gov or (919) 707-6136 if you have any questions or need additional information. Sincerely, Philip S. Harris III, P.E., C.P.M., Unit Head Environmental Analysis Unit cc: NCDOT Permit Application Standard Distribution List U-0071 Permit Modification No. 4 Page 8 of 8 Fnvironr,_ _ _ �! Quality October 26, 2017 Mr. Philip S. Harris, P.E., PLS Project Development & Environmental Analysis Unit North Carolina Department of Transportation 1598 Mail Service Center Raleigh, North Carolina 27699-1598 Dear Mr. Harris: Subj ect: References: ROY COOPER Covemor Mitigation Acceptance Letter: U-0071, East End Connector from NC 147 (Buck Dean Freeway) to North of NC 98, Durham County USACE 404 Individual Permit issued March 24, 2014 (USACE Action ID 2011-00796) and 404 Individual Permit Modifications issued May 7, 2015 and May 24, 2016 NCDWR 401 Water Quality Certification issued January 28, 2014 (NCDWR Project ID 2013-1282) and 401 Water Quality Certification modifications issued April 15, 2015 and May 5, 2016 The purpose of this letter is to notify you that the Division of Mitigation Services (DMS) will provide the additional stream, riparian wetland and buffer mitigation for the subject project. Based on the information supplied by you on October 24, 2017, the additional impacts are located in CU 03020201 of the Neuse River Basin in the Central Piedmont (CP) Eco-Region, and are as follows: Table 1— Additional Neuse 03020201 CP Impacts (feet/acres) Stream Cold Cool Warm 0 0 3.0 Wetlands �p�� Non- Coastal Riparian Marsh 0.03 Buffer (Sq. Ft.) Zone 1 Zone 2 (3:1) (1.5:1) These additional impacts and associated mitigation needs were not projected by the NCDOT in the 2017 ixnpact data. DMS is currently providing stream and riparian wetland mitigation for the impacts associated with this project located in cataloging unit 03030002 of the Cape Fear River basin and cataloging unit 03020201 of the Neuse River basin as required by the 404 and 401 permits that were issued in 2014, 2015 and 2016, as shown in the below table (in mitigation credits): �i -Notning compares� State of North Carolina I Environmental Quality 2l7 West Jones Street I 160] Mail Service Center I Raleigh, North Carolina 27699-1601 919 707 8600 Mr. Harris TIP U-0071 Additional October 26, 2017 Page Two Table 2— Current Permitted Impacts and Mitigation Requirements (based on 2014 permits and 2015 and 2016 permit modifications) and Revised Anticipated Impacts (based on mitigation request) Neuse 03020201 Total Permitted Mitigation Provided by Additional Impact Revised Total Impact Type Impacts DMS per Issued (for approval) Impacts* (feet / acre) Permits (Credits) Stream 2,006.0 3,030.0 3.0 2,009.0 Ri arian Wetland 0.28 0.56 0.03 0.31 Buffer—Zone 1 353,760.0 s ft 1,061,280.0 s ft 0 353,760.0 s ft Buffer — Zone 2 241,972.0 sq ft 362,959.0 sq ft 0 241,972.0 sq ft Fear 03030002 Total Permitted Mitigation Provided by Additional Impact Revised Total Impact Type Impacts DMS per Issued (for approval) Impacts* (feet / acre) Permits (Credits) Stream 440.0 880.0 0 440.0 *Some of the stream and wetland 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. This mitigation acceptance letter replaces the mitigation acceptance letters issued on December 10, 2013, March 28, 2014, March 31, 2015, and May 3, 2016. DMS has previously made debits for the stream and riparian wetland mitigation requirements to mitigation sites available in the cataloging units based on the amounts required in the 404 and 401 permits issued in 2014, 2015 and 2016. NCDOT has made payment for all riparian buffer mitigation as required by DWR. Upon issuance of the permit modifications for the project, DMS will make appropriate adjustments to the existing mitigation debits. 8420. If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-707- Sincerely, James 13. tanfill DMS Asset Management Supervisor Cc: Mr. Eric Alsmeyer, USACE — Raleigh Regulatory Field Office Ms. Amy Chapman, NC Division of Water Resources File: U-0071 Additional3 �/ NOLC1Y�iy�.��iNaics��_ State of North Carolina I Environmental Quality 217 West Jones Street � 1601 Mait Service Center � Raleigh, North Carolioa 27699-1601 919 707 8600 1 li€;ht��a�• North Carolina Department of Transportation �, Sl[�1'1Y14w'dte'r Highway Stormwater Program '" ��' STORMWATER MANAGEMENT PLAN �--'��''� (Version 12; Released July 2012) FOR LINEAR ROADWAY PROJECTS Project/TIP No.: U-0071 County(ies): Durham Page 6 of 7 Preformed Scour Holes and Energy Dissipators Pipe/Structure Sheet Energy Dissipator Drainage Area Dimensions Q10 V10 No. Station T pe Riprap Type (ac) Conveyance Structure (in (cfs) (fps) 6 -L- 38+21 RT pFSH Class 'B' 1.85 Pipe 18 7.5 < 2 (172') 9 -Y7- (� +) 6 LT pFSH Class 'B' 0.33 Pipe 18 1.0 < 2 9 -Y7- 28+59.80 LT pFSH Class 'B' 0.96 Pipe 18 5.1 < 2 �89') 9 -Y7RPD�64)+95RT pFSH Class'B' 1.28 Pipe 18 5.9 <2 9 -Y7RPD- 6+28 RT pFSH Class 'B' 0.76 Pipe 18 3.0 < 2 (55') 9 -Y6- 12+08 RT pFSH Class 'B' 0.46 Pipe 15 2.4 < 2 (63') 9 -Y6- 13+98 RT pFSH Class 'B' 1.15 Pipe 18 5.1 < 2 i59') 10 -US70FLY- 35+50 pFSH Class 'B' 0.74 Pipe 15 3.7 < 2 RT (80') 11 -L- 128+34 LT pFSH Class 'B' 1.80 Pipe 18 8.0 < 2 (180') 11 -L- 129+71 LT pFSH Class 'B' 1.40 Pipe 18 7.1 < 2 (187') 11 -L- 131+20 LT pFSH Class'B' 1.85 Pipe 18 9.4 < 2 (210') 12 -LDFWB-12+50 pFSH Class'B' 1.86 Pipe 18 9.5 <2 RT (79.4') 12 -LDFWB-15+17 pFSH Class'B' 0.31 Pipe 15 1.6 <2 RT (70.3) 20 -US70FLY- 46+88 PFSH Class 'B' 2.82 Pipe 18 8.5 < 2 LT (101') 20 -EEC70E- 32+45 pFSH Class 'B' 1.47 Pipe 18 7.1 < 2 RT (72') 22 -Y9- 29+25 LT pFSH Class 'B' 1.72 Pipe 18 7.5 < 2 �52") 24R -Y12-(414+) 6 RT pFSH Class'B' 2.25 Pipe 18 8.5 <2 0 vEs ❑ No Have minimum design criteria, as presented in the NCDOT Best Management Practices Toolbox (2008), NCDOT Standard Details, or FHWA HEC-14 (July 2006), been met and verified, as applicable? If No, provide further explanantion of why design criteria was not met. Additional Comments The performed scour holes for U-0071 have been implemented in areas that are flat to encourage the most dissipation of flow. If the receiving areas weren't flat enough they have been regraded to appropriate elevations per design. The result is that all designed PFSH will have minimal outlet velocities less then 2 fps. 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THE C;�,��EY INC� � ��, , � / �`�� , � � i ' �� i �� ;'� � �� ; ' � ,' � �� _ i� � � , �_ � , � . ___._ ___ � '� �� ,, p �, , , � � � . ,, _ � �� F �� . , � � , ,� ' � /- � � ��, p � t � 5„ _�_� � Q �\ 1 ' _ 15� �� _f^"l j.., I CB � �R p PROJECT REFERENCE NO. SHEET NO. U-007/ 9-D RhV SHEEf NO. ROADWAY DESIGN HYDRAULICS ENGINEER ENGINEER IN�CK�I��1LE � 1Pi, ��I� DO NOT U9E POR i/ ACUIr�SITION II�Il�1[�;][,yh'4][N: 1F % B�l[,.�I�:� DO NOT l�SE AO roVSTRI'�'TiON �_; M A Engineering ��_ Consultants, Inc. 598 East Chatham Siree[ Suite 137 Cary, NC 27511 Phone: 919197.0220 Fax: 919197.0221 ,� � � �� 4 , �_ �, �, ,�.� I�IV �� , �I �� i ,� _ � ,� , \ �_ � __ ' ; s e �,, � - - ��''�------� - � � , : � �.. I p�� ;�� -- —CLASS 'I' RIP� RAP �F ; , � � ---�---� � � _ � � s_ � � � EST._11 TONS _ �� PDE ��,,�," �z I �; �� == �C� �� '��\ �� TEMP. 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THE;''JS LINE FOR �-,i `,, _ �S IVIECfIAIVIZED-- - � �� __----��i-- I i�� _ _ f. 50 TONS � \J THIS STREAM IS-�PPROXIMATE. �`` -�_� ''��-� � - 5 SY GFD _' j ,_, � _ -- � �� CLEAR�I Id{3s- � �- �_ -�- - - -�'� � �_ r- �s - _ -� .�—, ��'`� �'' Bz 1 --- � � - � ,�, � � , , �� , - � . � � , - -- — - ,, i �� _ — � , � ,�_ � - _ °r , -- — - _ ;—r� , � � ; : ', � - _ , ,-�—� ,- _ _ `� �-0 P TS ,, ---,� � � �, , - - _ _ �,_„ , �_ � _ - - „ � ,� _ __ _� , �� , , , __ _ _ , - � Pdl �-� �_ �- � � - -� ��_ . _, —_ �� _ _ �� __ � � � �� , -F � � , � r �� _ �� - � , � o, _�— - ,_ , �, - � � _ � � � � ,� - SURF-A�F�1��--� _ _�' � �� __------� , � � - �, � - _,� , � ��I�--------- �- =_ -=-I M PACTS 82 �,,1 r i_ i , . -- ,, _ - BZ _ ; / �,�\ - - , � � - - - -- -- - �, � �" � _ � 1 � �f^,/,- , 2 ; � � �,� _r-,_ � � ,-.- QENQ��S��MPqRrA�t1L��°� _- i„� T i A� �, ; �.�-,-,�'� ' '= - - -F I LL �I N _ W ETLAN�--- -- _ � ;� . / / ,_� � '- ---- -- - ' -- �� F F DENOTES FILL IN � WETLAND �^ �-v,� / _ �-�� - � -� �� '�� T � �� DENOTES TEMPORARY � �� -Y,� r Ne �; ; IMPACTS IN SURFACE WATER / �� . , � _ _ � �� '<<Es � ,,� � ,,v��, � ' ° � � � � DENOTES MECHANIZED ��- ��_�� `� �'°� s� � � � CLEARING _; �' �_' � � � � � � , �1 -`�� ' _ �, �� - �� T'.� � �-� �=J �� H _ / ` �t1t"�.� / ' � _ �� ' ��- / � / / \ � � �� / `�`\\ \ i \\ � � \ \ � � � �' �� `�/ � ,' �- � :_ -�-� �- ,� � i' E I P � i i� �� / i , , �" � + ' � , , �;' _ , , , �. , �� , , , � , �� , ;' � , , // , , ,, � ,�. ��, �. , , �' � -i ., , �� ,/ _ � - ��, ; �� , ,s � = e ' �A, �. � \; : ��3�� BZ�� 1-- ------ , ASS_'II" RIP � P f. 50 TONS �- � 5 SY �FD � 'Y5— �V � C �'< / `� � j !� li �, i SPECIAL CUT DITCH SEE DETAIL S1R — E,ST 233 TONS CL I��_� �� W� �� ;, �ST 533 SY GFD �� i ,\ t��. THC i� A�� I�JI^_ �_ �� `� , , , , , , p� . �F � 1 ,, , �� , � , ', , � ,�/' ; / � '.....,t�--.� - � � � N � // /� � \ L � �- 1�� 1_. CB '-I-. / PROJECT REFERENCE NO. SHEET NO. U-007/ 9-D RhV SHEEf NO. ROADWAY DESIGN HYDRAULICS ENGINEER ENGINEER IN�CK�I��1LE 'E 1Pi, ��I� DO NOT U9E POR i/w ACUIr�SITION II�Il�1[�;][,yA'4][N: 1F %` B�l[,.�I�:� DO NOT l�SE AO roVSTRI'�'TiON �_; M A Engineering ��_ Consultants, Inc. 598 East Chatham Siree[ Suite 137 Cary, NC 27511 Phone: 919197.0220 Fax: 919197.0221 �`�r'� � ,� � \ � ;; � �o-� o o- N i � �' �� _ �` � �-------- _ — 1 L�� s.. � � , , ��,,,,, ° __ — .� � � , � � � � � �' --CLASS 'I' R1P�� RAP OF -- -- � ---, � -� � s- � i --- - �G_,�� _ ��; EST._11 TONS _ , , pDE � �., �� ' ?' \` i , \ --' C� � ----22 SY ,GFD �� - BZ 2 TEMP. 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F � 6'X �'� � 9� P se�`,oeraa �ss \ � \ � � � • , '� � � � � �- t<` .9� p� o� / � i _.,z „ . .. �✓� � -'.,rr"'r`�_,�'�` � . . � �V � � 3 �@ � �� ez r . � �� ; � � � / i . � � �� _ rn � � urean� ea5e � �,, �� I f �, i � , o � - I � � �� , _ � � ,� � � � � � � 61p.55 'I' RIP RAP GftASSED S�WALE � ) / 1 ��i� �i � ES7. �1 TONS � � � SfE DETAII/ GS - \ `j � \ ^ � � . . / � I / ;.� I � �,\ � � . .��\ � O� /� 7 SY GFD � �� FA�, . EST 8b1 CV DDE �� \ `� \ 9\\ 1 'F�, \ - . . .� � � � .� . ' �� / � �'� �, �� DENOTES IMPACTS IN I � -_ � � s�� I � __ A _^n � l��1 . . � . �`,.,,;�_�.��-��' '��= ) � � � �, 'm �,` ��.,_ \\ s4� � SURFACE WATER �HII LIF L� � 1tJ`,D-CLL II v�� ,� J�i � .\�'. m -� '"�, � \ �,my\ F'AIIL ANDP,EW FtAPliCELL : - � � "ji �� '`` A' '-�'� � DENOTES TEMPORARY � � � �', � ��`�� IMPACTS W SURFACE WATER 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 / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design (ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (ft) � L 32+58 to 36+64 FILL 0.04 412 L 37+75 - SR1 34+84 Y17 66" RCP-IV, 48"RCP-III, 2 11+14 24"RCP-III 0.08 0.07 <0.01 673 14 BANK STABILIZATION 2Q 3 L 44+53 30" RCP-I I I 0.06 0.06 410 " 4 SR2 36+g9 Y7 17+24 48" RCP-III, 60" RCP-III Q.Q5 �.�3 <Q.Q� 349 2� BANK STABILIZATION 175 * 5(T) Y7LPA 13+gg 60" RCP-III Q.Q('j 6 Y7RPA 21+78 BANK STABILIZATION < 0.01 25 7 Y7RPA 20+75 to Y6 15+g0 8'x9' RCBC �. � 7 �.�� 665 104 BANK STABILIZATION 305 Y4 19+63 to 22+30 and 30" RCP-III, FILL $ Y4 23+04 to 25+59 0.04 0.07 443 g YS 23+20 RT. 30" RCP-I I I 0.03 <0.01 29 BANK STABILIZATION 43 10 YS 26+62 RT. FILL 0.01 0.01 0.03 11 "` Y6 11+15 off 104 RT. 18" RCP-III � 2 Y2 26+53 to 27+g0 LT. 0.12 0.02 789 72 BANK STABILIZATION � $ 13(T) Y4 35+48 36" RCP-IV 0.78 ' 14(T� L 122+g3 30" RCP-V Q.Q$ " 15(T) L 132+13 FILL 0.03 * 16(T) L 132+33 RT. FILL Q.Q5 17 L 133+41 6'x7' RCBC 0.06 <0.01 479 33 BANK STABILIZATION � 4O 17A L 133+26 264' LT FILL < 0.01 <0.01 25 37 TOTALS: 0.46 0.01 0.03 1.43 0.03 5000 354 *Rounded totals are sum of actual impacts NOTES: * indicates isolated wetland ** Site 11 Mechanized Clearing Wetland Impacts have been removed (T) Indicates Total Take 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 / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design (ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (ft) 176 L 133+69 263' RT FILL <0.01 7 18(T� L 134+53 LT. FILL 0.19 � g not jurisdictional 0 2Q DFLW 27+34 to 38+06 42" RCP-III Q.Q2 <Q.Q� 2� $ � 7 21 DFLW 39+1g FILL 0.01 28 22 DFLW 41+62 FILL Q.Q� 23 23 Y3 34+45 8'x10' CULVERT 0.09 0.01 270 49 BANK STABILIZATION 'I 5Z 24 Y3 40+16.69 RT 30" RCP-I I I 0.04 0.01 104 23 25 Y9 28+10 LT to 26+g5 RT 66" RCP-III Q.Q� <Q.Q� 168 � � BANK STABILIZATION 35 26 Y3 57+75 LT to RT 60" RCP-III Q.Q� <Q.Q� 5Q 23 BANK STABILIZATION 50 27 L 129+77 414LT. BANK STABILIZATION � Q 2$ DFLW 52+p8 LT & RT 36" RCP 0.02 0.01 121 20 2g DFLW 72+35 LT FILL < Q.Q� 4Q 30 DFLW 73+72 LT FILL < 0.01 10 31 DFLW 78+76 LT& 81+14 RT BANK STABILIZATION 61 Construction Activity <Q.Q'� 22 32 DFLW 78+7g LT Construction Activity <0.01 9 TOTALS (page 2 of 2): 0.00 0.00 0.00 0.39 0.04 1340 180 TOTALS (page 1 of 2): 0.46 0.01 <0.01 1.43 0.03 5000 354 TOTALS: 0.46 0.01 <.0.01 1.83 0.07 6340 534 *Rounded totals are sum of actual impacts NOTES: * indicates isolated wetland (T) Indicates Total Take BUFFER IMPACTS SUMMARY IMPACT BUFFER TYPE ALLOWABLE MITIGABLE REPLACEMENT STRUCTURE SIZE / STATION ROAD PARALLEL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 CROSSING BRIDGE IMPACT ft2 ft2 ft2 ft2 ft2 ft2 2 2 SITE NO. TYPE (FROM/TO) � ) � ) � ) � ) � ) � ) (ft ) (ft ) 1 66" RCP-V L 36+86RT to 38+71 LT X 41408 26834 68242 2 30" RCP & 15"RCP L 44+95 to 49+16 LT X 22801 15534 38335 3 30" RCP-III Y17 12+93 to 13+97 X 2222 997 3219 4 18", 48" & 60" RCP SR2 32+99 to Y7 16+51 X 45253 35088 80341 5 66" RCP-III Y7RPA 21+27 to 22+32 X 2342 3142 5484 Y7RPA 20+32 to 6 Two s'x9' RCBC Y7RPD 7+62 X 63171 38576 101747 7 30" RCP-III va 2�+�a X 24286 16780 41066 8 DITCH Y5 23+24 STORMWATER MANAGEMENT 3438 1805 5243 9 �5" RCP-III v� 29+0o X 6455 6594 13049 10 18" RCP-III Y6 11+09 X 876 876 PREFORMED 11 SCOUR HOLE Y12 10+00 STORMWATER MANAGEMENT 87 87 12 15", 24", & 36" RCP L 109+80 to Y2 29+08 X 77205 50757 127962 13 8'x10' RCBC Y3 34+44 X 27871 20229 48100 14 30" RCP Y3 40+73 X 7822 3210 11032 15 60" RCP Y9 27+33 X 13171 8861 22032 16 60" RCP Y3 57+7� X 7690 5252 12942 17 6'x�� RCBC L 133+41 X 39947 23781 63728 18 DITCH L 129+60 STORMWATER MANAGEMENT 2146 1897 4043 TOTAL: 25660 16390 42050 361568 243910 605478