HomeMy WebLinkAbout20150053 Ver 2_Signed R-2409C consultation_20170426North Carolina Department of Transportation
PROJECT ENVIRONMENTAL CONSULTATION FORM
I. D. No. R-2409C
I. GENERAL INFORMATION
a. Consultation Phase: Construction
b. Project Description: Safety Improvements to US 64 from west of NC 281
at Lake Toxaway to Indian Creek, Transylvania County, NC
c. State Project: 34428.2.2
Federal Project: HPP-0064(115), TIP No. R-2409C
d. Document Type: Categorical Exclusion 10/28/2013
Date
II. CONCLUSIONS
The above environmental document has been reevaluated as required by 23
CFR 771. It was determined that the current proposed action is essentially the
same as the original proposed action with minor design changes. Proposed
changes are noted below in Section III. It has been determined that
anticipated social, economic, and environmental impacts were accurately
described in the above referenced document(s) unless noted otherwise herein.
Therefore, the original Administration Action remains valid.
III. CHANGES IN PROPOSED ACTION AND ENVIRONMENTAL
CONSEQUENCES
Three project changes have been proposed as follows:
1)
There is a need to relocate an approximately 70 foot reach of stream (UT
Indian Creek) that was errantly surveyed outside of r/w, but that actually is
situated within r/w where a fill slope will be constructed (see attachment #1,
annotated roadway plan sheet). The fill slope is at the maximum slope design,
so the stream conflict necessitates a channel relocation. Specifically, the
approximate 70 foot stream reach near stations 64+75 to 65+25 needs to be
moved approximately 15-20 feet south from the existing slope stakes and r/w
to rebuild a new channel and benching without armoring the left bank, which
could necessitate additional compensatory mitigation (beyond 1:1 for the
relocation).
-1-
The relocation area was surveyed by Mr. Dave McHenry for rare species on
May 5, 2017 and again on June 1, 2017. Habitat appears poorly-suited for
small whorled pagonia due to sparse canopy coverage and specimens of this
plant were not observed. Habitats for other listed terrestrial and aquatic
species known from Transylvania County are absent in and near the proposed
stream relocation area.
The stream relocation work will require removal of approximately 8-10 small
<2" dbh trees that are not suitable for bat roosting The project area is not in a
"red huc" for northern long-eared bat and more than 0.5 miles from the
nearest "red huc", so the project is consistent with the 4d rule.
The NC Wildlife Resources Commission (WRC) and US. Fish and Wildlife
Service were contacted on May 23, 2017 for comments on the project change.
No concerns were expressed by WRC (May 23, 3017 email correspondence
from Mrs. Marla Chambers with WRC). Ms. Marella Buncick with US Fish
and Wildlife Service also indicated no concern/comment with the change in a
personal conversation she had with Ms. Lari Beckwith (June 8, 2017 email to
Dave McHenry).
The project change should not alter the findings of the cultural resources
reviews/survey or Section 106 determination for the project. The edge of the
r/w near the project change area was the demarcation for the "Area of
Potential Effects" for the archaeological survey conducted. As expressed by
Mr. Matt Wilkerson, NCDOT archaeologist, in a personal conversation on
May 31, 2017 with Mr. Dave McHenry, the minimal deviation of the
proposed disturbance from the original APE for the project, the overall minor
area of additional disturbance, and the negative archaeological survey findings
for the original review do not warrant additional cultural resource
investigation for the project change.
2)
The soldier pile wall #6 near stations 67+75 to 68+50 (see attachment #2, wall
# 6 plan) has been eliminated and will be replaced with a soil nail wall near
same location. This change will be cleared with NCDOT geotech before
implementation. This change will reduce the disturbance of the existing cut
slope north of the road in that location. Mr. Dave McHenry discussed the
proposal with Ms. Marella Buncick with US Fish and Wildlife Service on
June 19, 2017 since the wall is close to small whorled pagonia populations.
Ms. Buncick does not have a concern with the change provided it does not
affect the plants.
3)
The soldier pile wall # 1 will be eliminated and accommodated by a slight
north shift in the road alignment near stations 10+00 to 16+00. This will
require acquisition of additional r/w (see attachment #3, roadway plan sheet).
-2-
�
V
This addition of r/w was discussed with Mr. Matt Wilkerson and he and Mrs.
Mary Pope Furr, NCDOT architectural historian, did not see any cultural
resource concerns with the addition/change (June 20, 2017 email
correspondence).
Purpose and Need
The primary Need and Purpose for this project is to improve safety and traffic
flow and the proposed changes (1-3) have been determined to meet this
purpose.
LIST OF ENVIRONMENTAL COMMITMENTS
See Attached Green Sheet from CE. Also, the following will be implemented:
NCDOT will implement all practical measures and procedures to minimize
and avoid environmental impacts. The relocated channel will be rebuilt using
natural design techniques to the extent possible.
Wall #6 design change will be cleared by NCDOT geotech before
implementation and will be closely monitored during construction to ensure
slope stability.
Right-of-way/easements are currently being pursued to allow changes 1) and
3) to proceed. These along with a 404 Individual Permit modifications have
been requested and will be considered pending, in part, the legal access.
COORDINATION
The following personnel have initiated the proposals or been consulted with
concerning the current project proposals (1-3, see above) as follows:
Div. 14, Construction Engineer: (1�3) Ted Adams, PE`
FHWA Engineer: _(1) Geor e Hoops
Human Environment Section: (1) Matt Wilkerson_
�3)Matt Wilkerson_
(3) Marv Pope Furr
(Construction Consultations only)
-3-
Date
5-30-2017
Date
_5-31-2017
_6-20-2017
_6-20-2017
Date
VI. NCDOT CONCURRENCE
DocuSigned by:
�� �. V"���5
Divisiori'���r'oject Planning Engineer
DocuSigned by:
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Divis�i�F��4z�ii�ironmental Officer
VII. FHWA CONCURRENCE
DocuSigned by:
le,ar�c, �oaps
11D322502536434...
Federal Highway Administration
Division Administrator
�L
6/26/2017
Date
6/26/2017
Date
6/26/2017
Date
us s4
From West of NC 281 at Lake Toxaway to Indian Creek
Transylvania County
WBS No. 34428.2.2
T.I.P. No. R-2409C
PROJECT COMMITMENTS
Division 14/ Right c�f Way Branch
Land is required from Gorges State Park, which is part of the North Carolina (NC)
State Park System. The park is located along the south side of US 64 on the
western end of the project. The project requires the permanent use of property
from the park's northern boundary along US 64.
This land is subject to the State Parks Act (General Statute 113-44.14). Any
removal or addition of land to a state park requires approval from the NC General
Assembly.
This land use is also subject to Sectian 4(fl of the USQOT Act of 1966. The
NC DENR Division of Parks and Recreation concurs that the recommended
improvements with Alternative 4 will have minimal impact on the park and that
the project will not adversely affect the activities, features, and atiributes that
qualify the property for protection under Section 4(fl with the following measures
included to minimize harm: -
Minimization of water quality impacts through stringent erosion controf.
Use of native ptant species (no invasive species) for stabilizing the
construction slopes after construction in the area of the state park.
Revision of new park boundaries to join the roadway right of way with na
private parcels in between. The properiy affected by this project or the
right of way needed from Gorges State Park will need to be removed from
the NC State Parks System and the State Nature and Historic Preserve.
Approximately 7.26 acres of park property are located with the proposed right of
way limits. A portion will be replaced by acquiring and transferring approximateiy
2.58 acres of private property befinreen US 64 and the park. Where US 64 is
realigned away from the park, unnecessary right of way may also be considered
for park repiacement. During final design, NCDOT wi{I coordinate with the
Division of Parks and Recreation to revise ti�e boundary between the park and
roadway right of way and determine compensation requirements. NCDOT will
provide the documentation required for the NC General Assembly ta authorize
this land use. During construction in the area of the park, NCDOT will minimize
water quality impacts through stringent erosion control and use native plant
species to stabilize slopes.
TIP No. R-2409C Page 1 of 2
FHWA considecs the impacts from the praject to this 4(fl protected site to be
minimal. �HWA has made a �(fj "de minimis" determination
[23 CFR 774.17{5} (2)] based on concurrence from NC DENR Division of Parks
and Recreatian that the projec# will not adversely affect the features, attributes, or
activities qualifying the property for protection under Section 4(f�.
Division 14/ Right of Way Branch
A colony of federally protected small whorled pagonia plants is located in the
eastern portion of the project just north of existing US 64. The colony is loca#ed
within 50 feet of the existing roadway. The proposed alignment has been shifted
to the south side of US 64 to avoid any direct impact ta the plants. NCDOT
proposes a retaining walk to limit the amoun# of required cut slope near the
plants. A retaining wall in this area will also help s#abilize the slope and prevent
eros9on that could threaten the plants. Top-down construction and geotechnical
fabrics will be considered to fimit tree canopy remavaE. During finai design,
NCDOT wil! continue coordinating with the US Fish and Wildlife Service
regarding tree removal, slope protection, and planting of native vegetation in this
area.
June 2017 Consultation:
NCDOT will implement all practical measures and procedures to minimize and avoid
environmental impacts. The relocated channel will be rebuilt using natural design techniques to
the extent possible.
Wall #6 design change will be cleared by NCDOT geotech before implementation and will be
closely monitored during construction to ensure slope stability.
Right-of-way/easements are currently being pursued to allow changes 1) and 3) to proceed.
These along with a 404 Individual Permit modifications have been requested and will be
considered pending, in part, the legal access.
TIP No. R-2409C P�� 2 a� 2
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TYPICAL SECTION
PROJECT NO.�. R-2409C
TRANSYLVANIA COUNTY
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