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Home My WebLink About20091070_Meeting Minutes_20111109� ` BEVERLY EAVESPURDUE GOVERNOR Team Members ��,,�. � �' � � �� STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION Draft Minutes of the Intera�ency Hydraulic Desi�n Review 4B Meeting November 9, 2011 R 2612B State Pro�ect 34483 1 1 US 421 At SR 3418 (Neelley Rd ) South Of Greensboro Guilford County Andrew E Williams Gary Jordan Travis Wilson David Wainwright Amy Euliss Chris Milrtscher Felix Davila Mark Staley David Harris Brenda Moore Mack Bailey � Karen Reynolds Ted Walls Rachelle L Beauregard Patty Eason Participants (See attached list) Plan Sheet 4 No comments Plan Sheet 5 No comments EUGENE A CONTI JR. SECRETARY USACE (present) USFWS (not present) NCWRC (not present) NCDWQ (present) NCDWQ (not present) EPA (not present) FHWA (present) Roadside Environmental Unit (present) Roadside Environmental Umt (not present) Roadway Design Unit (present) Structures (present) PDEA (present) PDEA (not present) NES (present) Division 7 (not present) Plan Sheet 6 DWQ stated depending on how much wetlands remains in Loop D that it could be a total take USACE stated that the ratio of mrtigation for Loop D is 2 1 but mrtigahon ratio could be reduced to 1 1 USACE stated that wetlands remnants in loops still function to some extent but not as well as before DWQ requested quantities for wetlands impacted MAILING ADDRESS NC DEPARTMENT OF TRANSPORTATION HYDRAULICS UNIT 'I SJO MAIL SERVICE CENTER RALEIGH NC 27699 1590 TELEPHONE 919 707 6700 FAX 919 250 4108 WEBSITE WWW DOH DOT STATE NC US LOCATION CENTURY CENTER COMPLEX BUILDING B 1020 BIRCH RIDGE DRIVE RALEIGH NC R 2612B 4B Meetmg November 9 2011 Page 2 of 4 USACE asked whether 4 1 fill slopes on Loop D could be steepened to 2 1 Roadway requires 4 1 fill slopes for vehicular safety (vehicle can recover) PDEA asked about 2 1 side slopes with guard rail but Roadway said 2 1 fill slopes with guard rail is not an option Hydraulics Unit asked whether equalizer pipes would be warranted in Loop D but no request was made NES stated that stream 9 will still feed the wetland in Loop D Hydraulics Unit presented Culvert Survey Reports for the box culverts that will be in Quadrant D Preliminary design for each is a single barrel buried 1 at approximately the same slope as existing stream Fill slopes were noted as being 3 1 and 4 1 on Loop A USACE requested the quantity of wetlands being filled DWQ stated depending on how much wetlands remains m Loop A that rt could be a total take USACE stated that the ratio of mitigation for Loop A is 2 1 but mrtigation ratio could be reduced on what remains Hydraulics Unit noted that the pond in Quadrant A YLPA Station 14+50 Rt will be drained and will investigate utilizing the area as a potential detention basin DWQ asked if the cross pipe in Quadrant A YRPA Station 25+58+/ was an equalizer pipe Hydraulics Unit replied that it is not an equalizer pipe but a cross pipe to continue drainage from the —Y line Rip Rap Toe Protection is required through the wetlands at approximately —Y Station 34+00 Rt and also approximately —Y Station 43+00 Rt DWQ asked about pipe size for the cross pipe at —Y Station 34+�6+/ The cross pipe has not been sized at this time but is expected to be less than 72 Rip Rap Toe Protection is required through the wetlands at approximately —L Station 65+20 Rt and also approximately —L Station 66+40 Rt Hydraulics Umt asked whether this would result in a total take at the wetland stations mentioned There will be wetland impacts at —L Station 70+00+/ Rt with the extension of the 24 ' pipe There was some discussion to reduce mitigation on stream 2E L1 Station 77+20+/ Rt from 2 1 to 1 1 due to the concrete ditch DWQ said that mitigation for this srte should have already taken place (when onginally built) There will be some impacts to stream 2E L Station 78+20 +/ Rt at the outlet of the existmg cross pipe resulting from a degraded outlet channel Plan Sheet 7 No comments R 2612B 4B Meet�ng November 9 2011 Page 3 of 4 Plan Sheet 8 DWQ asked if the stream at —Y1 Station 32+00 Lt and running past End of Construction —Y1 Station 35+00 Lt is a JS stream NES replied that this is not a JS stream Hydraulics Umt questioned whether wetlands at approximately —Y Station 31+60 Lt would be a total take Hydraulics Unit s opinion is that it would not be due to the drainage area still feeding the wetlands Plan Sheet 9 No comments Plan Sheet 10 No comments Plan Sheet ll Hydraulics Unit noted that the driveway pipe at —Y1 Station 13+50 Lt will be replaced and will have rip rap at the outlet This will have an impact to the JS stream that begins at the pipe outlet Plan Sheets 12 No comments Note This pro�ect is in the Cape Fear/Jordan Lake Basin and due to the age of the planning document is grandfathered in as far as buffers No other comments were provided and the meeting was ad�ourned ACTION ITEMS ' • USACE would like to review the pro�ect history of alternate selection and associated impacts Roadway and NES will provide the requested documentation • The latest a 4C meeting can be scheduled is April 2013 11 � R 2612B 46 Meet�ng November 9 2011 Page 4 of 4 R 2612B US 421 AT SR 3418 (NEELEY ROAD} GUILFORD COUNTY MERGER PI20CESS 4B MEETING WEDNESDAY NOVEMBER 9, 2011 S�gn m Sheet NAME ORGANIZATEON PHONE NUMBER EMAIL ADDRESS /�Nd,L/ � tl�l�% r.�iS�L� ��% S'�/ S�Lt� «�+drea! 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