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HomeMy WebLinkAbout20140762 Ver 1_Merger info_20170622Carpenter,Kristi From: Sent: To: Cc: Subject: Dave, Zerman, William S Friday, June 23, 2017 9:58 AM Wanucha, Dave; Chambers, Marla J 'Steven.L.Kichefski@usace.army.mil'; Marella Buncick (marella_buncick@fws.gov) Site 22 pics See below for the pictures that our consultant, RKK, had; Here is our photo of the outlet structure at site 22 (the existing pipe is perched 1'): �p, — �; .��+�'�^{ : _ �� � _ �{j� � �f - I �'� ��..1� � i f� �M}�y„ �'�, Yai��y�'d��� �~ �' �i��� °�y�" ,Ist� �►I e.'}:�'��f `"" �,� iir. �,�a,�-�, X .•� � i�'�t� 2+ /�`�; � d � ['. w ,�` �,F�;i _� '� itl�: �! A. 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The next two pictures are looking up & down Naked creek from the tie-in point: Looking downstream of Naked Creek: 1 1 B�4 �` F��� F� .� T.� � �y M`�� � � p�" �1�', �i i�"� � - N' w-. '+� � `L Jr i ��,.� r i# e� .` ^ : s`,� ..�si� M . -.. . . �� qN� Yy �. w �,.,� f ' , y . i1 � �,' r r•'� _ _ �r9r� :`��=�R{; ;LL�, } - �„ �, �, - " '�y,. Y ••' �d,� . f � �iT "�v b � -- � '�� 9'. ,� +��I�y� ` ` 4.�!!��� ,� 4. � ���.�! x� -. � t. �"�k �1' �F ,� �"G�� �R� � � ' - S } �; 1. �4� �� _ �`�F� �r i � e� �� d� - � �. 'i .. r"�r .� �� ,: `q�',�� �,�I � �' s � iv"'� � .a,'��"+"'-"�� # - t � ` +�b i�,� 1y '� ,,� .;y� �"i � " �+ _ � Q� � { { 6 �'� � _ ,,,�� S � y . � �� ,�� '� � ��='�,�';���L `;� y"� ��' �' ^' 'P f �y � C`i' �p h GE'� � ''+Q'k. � K j � e1 r �r� � 11 � ' d � � :b��� '�"~' �"P._ .- ,� '� d f�' '''e .�!,�t � y� � .S." �r k Yj�� * _ � a� . A. �,, � > `SN y�f • 7 ,�` 4 F � "}f . � �� ��. �'. ' .�s'' . 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NCDOT Hydraulics Unit Direct (919) 707-6755 �' #, �/,� _ Y h" From: Wanucha, Dave Sent: Thursday, June 22, 2017 11:57 AM To: Zerman, William S<bzerman@ncdot.gov>; Chambers, Marla J <marla.chambers@ncwildlife.org> Cc:'Steven.L.Kichefsl<i@usace.army.mil' <Steven.L.Kichefski@usace.army.mil>; Marella Buncick (marella_buncick@fws.gov) <marella_buncick@fws.gov> Subject: RE: R-2915E 4B AI I, At site 6, the existing inlet is �60' downstream from a cattle watering trough. Apparently the landowner tapped the spring since the JD. In any case, aquatic habitat is minimal at this location. A drop structure seems warranted here. See attached pics. The fence is the approx. R/W. Unfortunately, due to steepness and vegetation at Site 22, I could not put eyes on the outlet at this location. The inlet looked to be in good shape and the channel upstream of the inlet appeared to have good habitat/substrate with strong flow and extends upstream as shown on the plan sheets. Do you all have any pictures of the outlet? I agree with Marla in terms of investigating other feasible methods to enhance aquatic passage. I did not have time to review other locations per Steve's email. Perhaps DOT could double check those in the field and let us know? Dave W Dave Wanucha Division of Water Resources Transportation Permitting Unit NC Department of Environmental Quality 336-776-9703 office 336-403-5655 mobile Dave.Wanucha(c�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: Zerman, William S Sent: Thursday, June 22, 2017 8:50 AM To: Chambers, Marla J<marla.chambers@ncwildlife.or�>; Wanucha, Dave <dave.wanucha@ncdenr.�ov> Cc:'Steven.L.Kichefski@usace.army.mil' <Steven.L.Kichefski@usace.armv.mil>; Marella Buncick (marella buncick@fws.�ov) <marella buncick@fws.�ov> Subject: RE: R-2915E 4B Thanks Marla. I'll check further into the feasibility of installing baffles in pipes. It will need to be done on a site by site basis. William (Bill) 5. Zerman, Jr. P.E. NCDOT Hydraulics Unit Direct (919) 707-6755 From: Chambers, Marla J Sent: Wednesday, June 21, 2017 4:35 PM To: Zerman, William S<bzerman@ncdot.�ov>; Wanucha, Dave <dave.wanucha@ncdenr.�ov> Cc:'Steven.L.Kichefski@usace.army.mil' <Steven.L.Kichefski@usace.army.mil>; Marella Buncick (marella buncick@fws.�ov) <marella buncick@fws.�ov> Subject: RE: R-2915E 4B I am interested in Dave's input after visiting the sites. Currently, for Site 6 I'm leaning toward concurring with the drop since there is only a relatively short stretch of aquatic habitat upstream. For Site 22, not burying seems reasonable due to the 8% slope, however I believe there should be another consideration for reducing velocities and/or improving fish passage for this crossing and others. Marella asked if there was a way to put baffles in concrete pipes, and while the answer given was 'no', I googled 'baffles in round culverts' and found that it is possible. The first two resulting links are below, the first is from New Zealand and seems to be simple, inexpensive, and can be installed in the dry or wet. Those don't appear to take up much of the pipes capacity, especially the blue flexible type. There were a few videos demonstrating installation and effectiveness. http://www.ats-environmental.com/solutions/culvert-baffles/ http://www.dot.ca.�ov/hq/oppd/fishPassage/Chapter-7-Retrofit-Desi�n.pdf One of my general questions from the plan sheets is'why are the retained culverts lined with a smooth lining?' That seems counter to reducing velocities. Are there no other alternatives that would provide roughness? I recommend that baffles in round culverts be investigated for this project to see what benefits can be gained. Perhaps this can be used and studied on this project for potential use statewide. Other questions I have on the plan sheets and meeting notes are: Sheet 4— On the far left of the page, the drainage structure "outlets to concrete lined ditch", I was thinking the plan was to eliminate the concrete ditches. I may be thinking of another project, but it seems like it was this one. Can we remove the concrete lined ditch and install something that helps with velocity reduction and stormwater treatment? Are there others that are still on the project? Site 2A — Will the pipe still be perched? How much? I'll check with our biologists on trout waters. Marla **PLEASE NOTE MY NEW PHONE NUMBER** Marla Chambers // NCDOT Coordinator Habitat Conservation Program NC Wildlife Resources Commission c/o NCDOT 206 Charter Street Albemarle, North Carolina 28001 Direct Office Line: 704-244-8907 mobile: 704-984-1070 Marla.chambers(a)_ncwildlife.orq ncwildlife.orq � � � � From: Zerman, William S Sent: Tuesday, June 20, 2017 5:15 PM To: Chambers, Marla J<marla.chambers@ncwildlife.or�>; Wanucha, Dave <dave.wanucha@ncdenr.�ov> Cc:'Steven.L.Kichefski@usace.army.mil' <Steven.L.Kichefski@usace.army.mil>; Marella Buncick (marella buncick@fws.�ov) <marella buncick@fws.�ov> Subject: R-2915E 46 Hi Marla & Dave, During the June 7th 4B meeting for R-2915E, there were two sites, #6 and #22 where we were discussing aquatic habitat issues and need your input. At site 6, the proposed 60" pipe (without a drop structure) has excessive outlet velocities so we are proposing a drop structure verses the use of a rock energy dissipator. We proposed a drop structure to dissipate outlet velocities thinking that aquatic habitat may not have had a chance to develop in the short upstream section of stream (^230 feet) from the spring to the pipe inlet. If we propose a rock energy dissipator, it would mean additional stream impacts caused by the length of stream we would need to protect with rock (probably +/- 25 additional feet). If you think that the aquatic habitat is there and that additional stream impacts are justified by providing a rock energy dissipator vrs a drop structure, we can make that change. Please let me know what your thoughts are. At site 22, we were discussing the need to bury the proposed pipe or not. Since the proposed pipe (^'160 feet long) is on an 8% slope, we opted to not bury it. From previous discussions concerning the bury/not bury issue, I use 4% as a maximum slope to require the burying of pipe. The thought is that pipes exceeding a 4% slope may not hold material inside them. Please let me know your thoughts on this site as well. Steve & Marella, please let me know if the above does not accurately represent Agency concerns. William (Bill) S. Zerman, Jr. P.E. Project Manager-TIP WEST NCDOT Hydraulics Unit North Carolina Department of Transportation 919 707 6755 office 919 810 8990 mobile bzerman@ncdot.�ov 1590 Mail Service Center Raleigh, NC 27699-1590 1020 Birch Ridge Drive Raleigh, NC 27610 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disc/osed to third parties. Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties. �R P r � ,i���: �� � �, � �� � �. � �, `�F}}� J..� `�� � �. r{e � � v�� � � �i �.. :� .nv�� 1. �.. i... :BJ`l..[ ... � � . . —`9:. . ._.\\ �1� / � sr�S�-•1'-. 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